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Manual Carrier 38APD025-100

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  • Carrier 38APD025-100 - page 1

    Manufacturer reserves the right to disco ntinue, or change at any time, specifications or de signs without notice and without inc urring obligations. Catalog No . 04-53380003-0 1 Printed in U .S.A. Form 38AP-1T Pg 1 210 11-09 Replaces: New Controls , Star t-Up , Oper ation, Ser vice , and T roub leshooting CONTENTS Page SAFETY CONSIDERA TION S . . ...

  • Carrier 38APD025-100 - page 2

    2 When working on this equipment, observe precautions in the literature, and on tags, sticke rs, and labels attached to the equipment, and any other safety precautions that apply . Follow all safety codes. W ear safety glasses and work gloves. Use care in handling, rigging, and setting this equipment, and in handling all electrical components. GENE ...

  • Carrier 38APD025-100 - page 3

    3 Fig. 1 — Component Arran gement — Unit Sizes 025-030 LEGEND AU X — Aux il ia r y C— Contactor CB — Circuit Br eaker CCHR — Crankcase Heater Rela y CSB — Curre nt Sensor Board EMM — Energy Management Modu le EQUIP GND — Equipment Ground FB — Fuse B loc k FC — F an Contac tor LON — Local Operating Network MBB — Main Base B ...

  • Carrier 38APD025-100 - page 4

    4 Fig. 2 — Component Arran gement — Unit Sizes 040-060 LEGEND AU X — Auxiliary C— Contactor CB — Circuit Breaker CCH — Crankc ase Heate r Relay CSB — Current Sensor Boa rd EMM — Energy Management Module EQUIP GND — Equipment Ground FC — F an Contactor FCB — F an Circuit Breaker LON — Local Operati ng Network MBB — Main Bas ...

  • Carrier 38APD025-100 - page 5

    5 Fig. 3 — Component Arran gement — Unit Sizes 070-100 LEGEND AU X — Auxiliary C— Contactor CB — Circuit Bre aker CCH — Crankcase H eater Relay CSB — Current Sensor Board CXB — Compressor Expansion Board EMM — Energy Manag ement Module EQUIP GND — Equipment Gr ound FC — F an Contactor FCB — F an Circuit Breaker LON — Local ...

  • Carrier 38APD025-100 - page 6

    6 Fig. 4 — Power Wiring Schemat ic — 38APS,APD025-030 ...

  • Carrier 38APD025-100 - page 7

    7 Fig. 5 — Power Wiring Sc hematic — 38APS040,050 ...

  • Carrier 38APD025-100 - page 8

    8 Fig. 6 — Power Wiring Schematic — 38APD040-0 60 ...

  • Carrier 38APD025-100 - page 9

    9 Fig. 7 — Power Wiring Sc hematic — 38APD070-1 00 ...

  • Carrier 38APD025-100 - page 10

    10 Fig. 8 — Control Wiring Schemat ic — 38APS025-050 ...

  • Carrier 38APD025-100 - page 11

    11 Fig. 9 — Control Wiring Schemati c — 38APD025-060 ...

  • Carrier 38APD025-100 - page 12

    12 Fig. 10 — Control Wiri ng Schemat ic — 38AP D070-100 ...

  • Carrier 38APD025-100 - page 13

    13 Legend and Notes for Fig. 4-10 LEGEND NO TES: 1. F actor y wiring is in accordance with UL (Underwr iters Labora- tories) 1995 standards. Any field modifications or additions must be in compliance with all applicable codes. 2. Use 75 C minimum wire f or f ield power supply . 3. All field interlock contacts must ha ve a minimum r ating of 2 amps ...

  • Carrier 38APD025-100 - page 14

    14 OUT S IDE AIR DUCT S UPPL Y RETURN AIR MA T/RA T S AT F S 1* FA N EV APORA TOR COIL Fig. 11 — Fiel d Power Wiring LEGEND NO TES: 1. F actor y wiring is in accordance with UL 1995 standards. Field modificat ions or additions must be in compliance with all applicable codes . 2. All units o r modules hav e single point primary power connection. M ...

  • Carrier 38APD025-100 - page 15

    15 25 24 2 3 22 21 20 19 1 8 17 16 15 14 1 3 REMOTE ON/OFF LV T TERMINAL S TRIP 12 11 10 9 8 7 6 5 4 3 2 1 ALM R F S 1 S PT S A LL S V- A S EE NOTE 6 S AT * MA T/RA T * LL S V- B † a38-7125 a38-7127 * See Fig. 12 for MA T/RA T and SA T location. †Not required for single circuit units. Fig. 15 — Constant Volume Applic ation Wiri ng Diagram Spa ...

  • Carrier 38APD025-100 - page 16

    16 25 24 2 3 22 21 20 19 1 8 17 16 15 14 1 3 REMO TE ON/OFF LV T TERMINAL S TRIP 12 11 10 9 8 7 6 5 4 3 2 1 ALM R F S 1 LL S V- A S EE NO TE 6 S AT * MA T/RA T * LL S V- B † 25 24 2 3 22 21 20 19 1 8 17 16 15 14 1 3 LV T TERMINAL S TRIP 12 11 10 9 8 7 6 5 4 3 2 1 DEMAND LIMIT S TEP 1 DEMAND LIMIT S TEP 2 DEMAND LIMIT 4-20 mA + – COOLING S ETPOI ...

  • Carrier 38APD025-100 - page 17

    17 Display Module Usage SCROLLING MARQUEE DISPLAY — T his device is the keypad interface used for acces sing unit in f ormation, reading sensor values, and testing the unit. See Fig. 18. The scrolling marquee display is a 4-key , 4-character , 16-segment LED (light-emitting diode) display . Eleven mode LEDs are located on the display as well as a ...

  • Carrier 38APD025-100 - page 18

    18 Adjusting the Contrast — The contrast of the display can be adjusted to suit ambient conditions. T o adjust the contrast of the Navigator module, press the key until the dis- play reads, “Select a menu ite m.” Using the arrow keys move to the Configuration mode. Press to obtain access to this mode. The display will read: > TEST OFF METR ...

  • Carrier 38APD025-100 - page 19

    19 Table 3 — Thermistor Designations Table 4 — Switch Inputs Compressor Expansion Module (CXB) — The CXB is only used on unit sizes 070-100 to provide additional inputs and outputs for fans and compressors when the unit has more than 4 compressors. A UX Board (A UX) — The AUX is used with the digital scroll option and the low ambient head p ...

  • Carrier 38APD025-100 - page 20

    20 Carrier Comfort Network ® (CCN) Interface — The 38AP units can be connected to the CCN if desired. The communication bus wiring is a shielded, 3-conductor cable with drain wire and is supplied and installed in the field. See T able 5. The system elements are connected to the communi- cation bus in a daisy chain arrangement. The positive pin o ...

  • Carrier 38APD025-100 - page 21

    21 SUPPL Y AIR TEMPERA TU RE (SA T) ACCESSOR Y (33ZCSENSA T) — A supply ai r temperature sensor i s required for unit sizes 040-100 and all units equipped with the digital scroll option. The SA T sensor consists of a thermistor encased within a stainless ste el probe. See Fig. 22. The SA T sensor probe is 6 in. nominal length with 1 14 in. of uns ...

  • Carrier 38APD025-100 - page 22

    22 Units on the CCN can be monitored from the space using the RJ1 1 connector provided with the space sensor, if desired. T o wire the RJ1 1 connector into the CCN (Fig. 26): 1. Cut the CCN wire and strip ends of the red (+), white (ground), and black (–) conductors. (If another wire color scheme is used, strip ends of appropriate wires.) 2. Inse ...

  • Carrier 38APD025-100 - page 23

    23 Fan Statu s Input — A proof-of-fan operation is recom- mended and needs to be field installed in the indoor unit. Sev- eral different types of swit ches can be utilized, such as a differ - ential pressure switch located acr oss the indoor fan or auxiliary contacts on an indoor fan contactor . Thermostat Input — A two-stage thermostat can be ...

  • Carrier 38APD025-100 - page 24

    24 • C.TYP = 3 (TST A T -MUL TI) configuration will fo rce the MBB to monitor the therm ostat inputs to make a determination of mode. Unlike traditional 2-stage ther- mostat control, the u nit is allowed to use m ultiple stages of cooling control and perform V A V style operation. The control will be able to call out a low set point or a high set ...

  • Carrier 38APD025-100 - page 25

    25 the return temperature, space, or outdoor-air temperature reset features. It can also be reset from an external 4 to 20 mA signal (requires energy management module factory-installed option or field-installed accessory). The control has an automatic lead-lag feature built in which determines the wear factor (c ombination of starts and run hours) ...

  • Carrier 38APD025-100 - page 26

    26 MINUTES LEFT FOR ST AR T — T hi s v alu e is di spl ay ed only in the network display tables (using Service T ool, ComfortVIEW™ or ComfortWORKS ® software) and represents the amount of time to elapse before the unit will start its initialization routine. This value can be zero without the machine running in many situations. This can include ...

  • Carrier 38APD025-100 - page 27

    27 Outdoor Fan Layout – Top View S ize s 025-0 3 0 S ize s 040, 050 S ize s 060, 070 CONTROL BOX CONTROL BOX OFM1 OFM2 OFM2 OFM 3 OFM1 CONTROL BOX OFM 3 OFM4 OFM2 OFM1 S ize 0 8 0 S ize s 090, 100 CONTROL BOX OFM2 OFM 3 OFM5 OFM6 OFM1 CONTROL BOX OFM4 OFM5 OFM6 OFM2 OFM 3 OFM1 Compre ss or Layout Dual Circuit – Top View S ize s 025-0 3 0 S ize ...

  • Carrier 38APD025-100 - page 28

    28 Service T est — Both main power and contr ol cir cuit power must be on . The Service T est function shoul d be used to verify proper operation of condenser fan(s), compressors, minimum load valve solenoid (if installed), liquid line solenoid valve (if installed), and remote alarm re lay . T o use the Service T est mode, the Enable/Off/Remote C ...

  • Carrier 38APD025-100 - page 29

    29 CHIL_S_S variable is 'Stop.' Similarly , the control mode will be 6 when the CHIL_S_S variable is 'S tart.' Set P oint Adjustment CV SET POINT ADJUSTMENT — I f th e un it i s con fi gu re d for control type SPT MUL TI ( C.TYP =5) and the Space T em- perature Offset Sens or is enabled. ( SP .O.S ) set to enable [ Configurati ...

  • Carrier 38APD025-100 - page 30

    30 Table 10 — 4 to 20 mA Reset NO TE: T he e xample abov e shows how to configure the unit f or 4 to 20 mA reset. No reset will occur at 4.0 mA input, and a 5.0 F reset will occur at 20.0 mA. An energy management module is required. Table 11 — Configuring Outdoo r Air and Space Temperature Rese t * 1 item skipped in this example. Table 12 — C ...

  • Carrier 38APD025-100 - page 31

    31 Demand Limit — Demand Limit is a feature that allows the unit capacity to be limited during periods of peak energy usage. There are 3 types of demand limiting that can be configured. The first type is through 2-stage switch control, which will reduce the maximum capacity to 2 user-configu- rable percentages. The second type is by 4 to 20 mA si ...

  • Carrier 38APD025-100 - page 32

    32 DEMAND LIMIT (CCN Loadshed Controlled) — T o co n- figure Demand Limit for CCN Loadshed control, set the De- mand Limit Select ( Configuration RSET DMDC ) to 3. Then configure the Loadshed Group Number ( Configura- tion RSET SHNM ), Loadshed Demand Delta ( Configu- ration RSET SHDL ), and Maximum Loadshed T ime ( Configuration RSET SHTM ). See ...

  • Carrier 38APD025-100 - page 33

    33 PRE-ST ART -UP Do not attempt to start the air -conditioning system until the following checks have been completed. System Chec k 1. Check all system components, including the air-handling equipment. Consult manufacturer's instructions. If the unit has field-installed accessor ies, be sure all are proper- ly installed and wired correctly . ...

  • Carrier 38APD025-100 - page 34

    34 Table 15 — Prelimin ary Puron Refrigerant (R-410A) Charge, lb (kg) NO TES: 1. Preliminary charge is based on 25 ft (7.6 m) of int erconnecting liquid line piping betwee n indoor and outdoor units . 2. F or liquid line piping longer than 25 ft (7.6 m), use the f ollowing inf ormation: 1 / 2 in. (12.7 mm) liquid line — 0.6 lb per 10 linear ft ...

  • Carrier 38APD025-100 - page 35

    35 Fig. 36 — Char ging Char t — 38APS025, 50/60 Hz Fig. 35 — Ch arging Chart — 38APD025 , 50/60 Hz 70 80 90 100 11 0 120 130 Circuit A or B 50 40 30 20 Q UID TEMPERATURE AT LIQUID VALVE (DEG C) Q UID TEMPERATURE AT LIQUID VAL VE (DEG F) ADD CHARGE IF ABOVE CURVE REDUCE CH ARGE IF BEL OW CURVE 50 SST 30 SST 40 SST 60 70 80 90 100 11 0 120 13 ...

  • Carrier 38APD025-100 - page 36

    36 90 100 11 0 120 130 Circuit A or B 50 40 E AT LIQUID VALVE (DEG C) E A T LIQUID VA LVE ( DEG F) ADD CHARGE IF ABOVE CURVE 50 SST 30 SST 40 SST 60 70 80 90 100 11 0 120 130 200 250 300 350 400 450 500 550 600 LIQUID PRESSURE A T LIQ UID V A L VE (PSIG) Circuit A or B 1500 2000 2500 3000 3500 4000 LIQUID PRESSURE AT LIQUID VA LVE (kPag) 50 40 30 2 ...

  • Carrier 38APD025-100 - page 37

    37 Fig. 39 — Ch arging Chart — 38APD030 , 50/60 Hz 90 100 11 0 120 130 Circuit A or B 50 40 E AT LIQUID VALVE (DEG C) E A T LIQUID VA LVE ( DEG F) ADD CHARGE IF ABOVE CURVE 50 SST 30 SST 40 SST 60 70 80 90 100 11 0 120 130 200 250 300 350 400 450 500 550 600 LIQUID PRESSURE A T LIQ UID V A L VE (PSIG) Circuit A or B 1500 2000 2500 3000 3500 400 ...

  • Carrier 38APD025-100 - page 38

    38 Fig. 41 — Charging Chart — 38 APD040 — Cir c uit A, 50/60 Hz 90 100 11 0 120 130 Circuit A 50 40 E AT LIQUID VALVE (DEG C) E AT LIQUID VALVE (DEG F) ADD CHARGE IF AB OVE CURVE 50 SST 40 SST 30 SST 60 70 80 90 100 11 0 120 130 200 250 300 350 400 450 500 550 600 LIQUID PRESSURE A T LIQUID V AL VE (PSIG) Circuit A 1500 2000 2500 3000 3500 40 ...

  • Carrier 38APD025-100 - page 39

    39 Fig. 43 — Char ging Chart — 38APS040, 50/6 0 Hz Fig. 44 — Charging Char t — 38 APD050 — Circuit A, 50/60 Hz 90.0 100.0 11 0 . 0 120.0 130.0 Single Circui t 50 40 30 R A TURE A T LIQUID VA LVE (DEG C) R A TURE A T LIQUID VA LVE (DEG F) ADD CHARG E IF ABOVE CURVE REDUCE CHARG E IF BELOW CURVE 50 SST 40 SST 30 SST 60.0 70.0 80.0 90.0 100. ...

  • Carrier 38APD025-100 - page 40

    40 Fig. 46 — Char ging Chart — 38APS050, 50/60 Hz 90 100 11 0 120 130 Circuit B 50 40 E AT LIQUID VALVE (DEG C) E AT LIQUID VALVE (DEG F) ADD CHARGE IF ABOVE CU RVE 50 SST 30 SST 40 SST 60 70 80 90 100 11 0 120 130 200 250 300 350 400 450 500 550 600 LIQUID PRESSURE A T LIQUID V AL VE (PSIG) Circuit B 1500 2000 2500 3000 3500 4000 LIQUID PRESSU ...

  • Carrier 38APD025-100 - page 41

    41 Fig. 48 — Char ging Chart — 38 APD060 — Cir c uit B, 50/60 Hz Fig. 47 — Charging Chart — 38 APD060 — Cir c uit A, 50/60 Hz 90.0 100.0 11 0 . 0 120.0 130.0 Circuit A 50 40 30 R A TURE A T LIQUID VA LVE (DEG C) R A TURE A T LIQUID VA LVE (DEG F) ADD CHARGE I F ABOVE CURVE REDUCE CHARG E IF BELOW CURVE 50 SST 30 SST 40 SST 60.0 70.0 80. ...

  • Carrier 38APD025-100 - page 42

    42 Fig. 50 — Char ging Char t — 38 APD070 — Cir cuit B, 50/60 Hz 90 100 11 0 120 130 Circuit A 50 40 E AT LIQUID VALVE (DEG C) E AT LIQUID VALVE (DEG F) ADD CH ARGE IF ABOVE CURVE 50 SST 30 SST 40 SST 60 70 80 90 100 11 0 120 130 200 250 300 350 400 450 500 550 600 LIQUID PRESSURE A T LIQUID V AL VE (PSIG) Circuit A 1500 2000 2500 3000 3500 4 ...

  • Carrier 38APD025-100 - page 43

    43 Fig. 52 — Char ging Chart — 38 APD080 — Cir c uit B, 50/60 Hz 90 100 11 0 120 130 Circuit A 50 40 E AT LIQUID VALVE (DEG C) E AT LIQUID VALVE (DEG F) ADD CHARGE IF AB OVE CURVE 50 SST 30 SST 40 SST 60 70 80 90 100 11 0 120 130 200 250 300 350 400 450 500 550 600 LIQUID PRESSURE A T LIQUID V AL VE (PSIG) Circuit A 1500 2000 2500 3000 3500 4 ...

  • Carrier 38APD025-100 - page 44

    44 Fig. 54 — Char ging Chart — 38 APD090 — Cir c uit B, 50/60 Hz Fig. 53 — Charging Chart — 38 APD090 — Cir c uit A, 50/60 Hz 90 100 11 0 120 130 Circuit A 50 40 E AT LIQUID VALVE (DEG C) E AT LIQUID VALVE (DEG F) ADD CHAR GE IF ABOVE CURVE 50 SST 30 SST 40 SST 60 70 80 90 100 11 0 120 130 200 250 300 350 400 450 500 550 600 LIQUID PRES ...

  • Carrier 38APD025-100 - page 45

    45 Fig. 56 — Char ging Chart — 38 APD100 — Cir c uit B, 50/60 Hz Fig. 55 — Charging Chart — 38 APD100 — Cir c uit A, 50/60 Hz 90 100 11 0 120 130 Circuit A 50 40 E AT LIQUID VALVE (DEG C) E AT LIQUID VALVE (DEG F) ADD CH ARGE IF ABOVE C URVE 50 SST 30 SST 40 SST 60 70 80 90 100 11 0 120 130 200 250 300 350 400 450 500 550 600 LIQUID PRE ...

  • Carrier 38APD025-100 - page 46

    46 LEGEND * Field-supplied. †Field-supplied when required. Must be controlled by 38AP unit control. Fig. 57 — Re quired Location of Solenoid Valves a nd Recommended Filter Drier and Sight Glass Locat ions for 38APD025-100 Dual-Circui t Units LLS — Liquid Line Solenoid TXV — Ther mostatic Expansion V alve * Field-supplied. †Field-supplied ...

  • Carrier 38APD025-100 - page 47

    47 Check Com pressor Oil Level — After adjusting the refrigerant charge, allow each circuit to run fully loaded for 20 minutes. Stop the compressors and check the oil level. Oil level should be 1 / 8 to 3 / 8 up on the sight glass. Add oil only if necessary to bring the oil into view in the sight glass. If oil is added, r un the circuit for an ad ...

  • Carrier 38APD025-100 - page 48

    48 2. Fan status switch input should close. Note the unit will not start unless the fan status input is closed. 3. Close Y1 input unit will stage up to 50 % capacity with 1 minute between stages. 4. Close Y2 input the unit will stage up to 100% capacity with 1 minute between stages. CV APPLICA TION — C.TYP = 3 1. Start indoor fan motor . 2. Fan s ...

  • Carrier 38APD025-100 - page 49

    49 For all units, if temperature rese t is used, the unit controls to a higher leaving temperature as the building load reduces . If demand limit is used, the unit may temporarily be unable to maintain the desired leaving- air temperature because of im- posed power limitations. Loading sequence for compressors is shown in T able 8. SER VICE Electr ...

  • Carrier 38APD025-100 - page 50

    50 Table 17 — 5K Thermistor Temperatures (°F) vs. Resistan ce/Voltage Drop TEMP (F) V O LTA G E DROP (V) RESIST ANCE (Ohms) –25 3.699 98 ,010 –24 3.689 94 ,707 –23 3.679 91 ,522 –22 3.668 88 ,449 –21 3.658 85 ,486 –20 3.647 82 ,627 –19 3.636 79 ,871 –18 3.624 77 ,212 –17 3.613 74 ,648 –16 3.601 72 ,175 –15 3.588 69 ,790 – ...

  • Carrier 38APD025-100 - page 51

    51 Table 18 — 5K Thermisto r Temperatures (°C) vs. Resi stance/Vol tage Drop TEMP (C) V O LTA G E DROP (V) RESIST ANCE (Ohms) –32 3.705 100 ,260 –31 3.687 94 ,165 –30 3.668 88 ,480 –29 3.649 83 ,170 –28 3.629 78 ,125 –27 3.608 73 ,580 –26 3.586 69 ,250 –25 3.563 65 ,205 –24 3.539 61 ,420 –23 3.514 57 ,875 –22 3.489 54 ,555 ...

  • Carrier 38APD025-100 - page 52

    52 Table 19 — 10K Thermi stor Temperature (°F ) vs. Resistance/Voltage Drop TEMP (F) V O LTA G E DROP (V) RESIST ANCE (Ohms) –25 4.758 196 ,453 –24 4.750 189 ,692 –23 4.741 183 ,300 –22 4.733 177 ,000 –21 4.724 171 ,079 –20 4.715 165 ,238 –19 4.705 159 ,717 –18 4.696 154 ,344 –17 4.686 149 ,194 –16 4.676 144 ,250 –15 4.665 ...

  • Carrier 38APD025-100 - page 53

    53 Table 20 — 10K Thermi stor Temperatur e (°C) vs. Resistance/ Voltage Drop Table 21 — 86K Thermistor vs Re sistance (DTT) TEMP (C) V O LTA G E DROP (V) RESIST ANCE (Ohms) –32 4.762 200 ,510 –31 4.748 188 ,340 –30 4.733 177 ,000 –29 4.716 166 ,342 –28 4.700 156 ,404 –27 4.682 147 ,134 –26 4.663 138 ,482 –25 4.644 130 ,402 –2 ...

  • Carrier 38APD025-100 - page 54

    54 Pressure T ransducer s — The suction and discharge transducers are dif ferent part numbers and can be distinguished by the color of the transducer body , suction (yellow) and dis- charge (red). Figures 59 and 60 sh ows typical location of pres- sure transducers on each circuit. No pressure transducer cali- bration is required. The trans ducers ...

  • Carrier 38APD025-100 - page 55

    55 GE N ER A L OP ER A T IO N — The speed varies in proportion to a 4 to 20 mA signal produced by the Comfort Link™ con- trols. The MMV output speed is displayed in Hz. The Comfort Link controls must be configured for MMV operation in order for it to operate. This is configured under the Configuration menu M.MAST MMR.S and selecting “YES”. ...

  • Carrier 38APD025-100 - page 56

    56 Table 22 — Fault Codes F A UL T CODE DESCRIPTION SOLUTION AF High T emperature F ault: Ambient temperature is too high; Cooling fan has f ailed (if equipped). Check cooling f an operation CF Control F ault: A blank EPM, or an EPM with corrupted data ha s been installed. P erform a factor y reset using Parameter 48 — PROGRAM SELECTION. cF Inc ...

  • Carrier 38APD025-100 - page 57

    57 20 8 /2 3 0, 460, 575 VOL T ONL Y MO TORMA S TER V TERMINAL BLOCK 21 FR1 1 2 5 6 11 12 2 14 1 3 A1 3 B1 3 C1 5 2 5 2 20 8 V OL T ONL Y RED BLK 400 V OL T ONL Y 14 21 FR1 14 21 FR1 14 Fig. 64 — Typical Motormaster ® Wiri ng Configuration Table * 208-v can run in mode 5 or 6. MODE NOMINAL V OL T A GE Hz CONT RO L INPUT (PINS 25, 2) ST ART JUMPE ...

  • Carrier 38APD025-100 - page 58

    58 Table 23 — M otormaster ® V Program Parameters for Ope rating Modes LEGEND P ARAMETER DESCRIPTION MODE 5 MODE 6 MODE 7 MODE 8 P01 Line V oltage: 01 = low line, 02 = high line 01 02 01 02 P02 Carrie r F req: 01 = 4 kHz, 02 = 6 kHz, 03=8 kHz 01 01 01 01 P03 Star t-up mode: flyin g restar t 06 06 06 06 P04 Stop mode: coast to stop 01 01 01 01 P0 ...

  • Carrier 38APD025-100 - page 59

    59 TRO UB LE S H OO T IN G — Troubleshooting the Motormas- ter ® V control requires a combination of observing system op- eration and VFD display information. The MMV should fol- low the 4 to 20 mA signal from the Comfort Link™ controls. The speed command from the Comfort Link controls can be monitored in 2 ways: 1. V ariables VH.P A, VH.PB in ...

  • Carrier 38APD025-100 - page 60

    60 Every month: • Check condenser coils for debris , clean as necessary . • Check moisture indicating sig ht glass for possible refrig- erant loss and presence of moisture. Every 3 months: • Check refrigerant char ge. • Check all refrigerant joints and valves for refrigerant leaks, repair as necessary . • Check fan status switch op eratio ...

  • Carrier 38APD025-100 - page 61

    61 Advanced scroll temperature protection is a form of internal discharge temperature protection that unloads the scroll com- pressor when the internal temperature reaches approximately 300 F . At this temperature, an internal bi-metal disk valve opens and causes the scroll elemen ts to separate, which stops compression. Suction and disc harge pres ...

  • Carrier 38APD025-100 - page 62

    62 W irin g Error — A wiring error might not allow the compres- sor to start. T o check out alerts T051-T057: 1. T urn on the compressor in question using Service T est mode. If the compressor does not start, then most likely the problem is one of the following: HPS open, open in- ternal protection, circuit breaker trip, incorrect safety wir- ing ...

  • Carrier 38APD025-100 - page 63

    63 T1 14 (Circu it A Low Superheat) T1 15 (Circu it B Low Superheat) — Alert codes 114 and 1 15 occur when the superheat of a circuit is less than 5 F (2.8 C) for 5 continuous minutes. The low superheat alert is generated and the circuit is shut down. T1 18 (High Discharge Gas T emperature Alert) A1 18 (High Discharge Gas T emperature Alarm) — ...

  • Carrier 38APD025-100 - page 64

    64 A170 (Loss of Communication with the Compressor Expansion Module) — This alarm indicates that there ar e communications problems with the compressor expansion, which is required for unit sizes 070 to 100. The alarm will auto- matically reset. A173 (Energy Management Module Communication Fail- ure) — This alarm indicates that there are commun ...

  • Carrier 38APD025-100 - page 65

    65 Table 26 — Alarm and Aler t Codes (cont) LEGEND ALARM/ ALERT CODE ALARM OR ALERT DESCRIPTION WHY W AS THIS ALARM GENERA TED? A CTION T AKEN BY CONTROL RESET METHOD T110 Aler t Circuit A Loss of Charge If the compressors are off and discharge pressure reading is less than 26 psig f or 30 sec. Circuit not allo wed to start. Manual T111 Aler t Ci ...

  • Carrier 38APD025-100 - page 66

    66 Table 26 — Alarm and Aler t Codes (cont) LEGEN D Table 27 — Ex ample of Readi ng and Clearing Alarms ALARM/ ALERT CODE ALARM OR ALERT DESCRIPTION WHY W AS THIS ALARM GENERA TED? AC T I ON TAK E N BY CONTROL RESET METHOD T153 Aler t Real Time Clock Hardware F ailure In ternal clock on MBB f a ils Occupancy schedule will not be used. Unit defa ...

  • Carrier 38APD025-100 - page 67

    67 APPENDIX A — DISPLA Y T ABLES Run Status Mode and Sub-Mode Direc tory SUB-MODE ITEM DISPLA Y ITEM DESCRIPTION COMMENT VIEW RA T xxx.x ºF Return Air T emperature SA T xxx.x ºF Supply Air T emper ature SETP xxx.x ºF Activ e Set P oint CTPT xxx.x ºF Con trol P oint LOD .F xxx Load/Unload F actor ST A T Control Mode 0=Service T est 1=Off Local ...

  • Carrier 38APD025-100 - page 68

    68 APPENDIX A — DISPLA Y T ABLES (cont) Run Status M ode and Su b-Mode Dir ectory (cont ) Service Test Mode and Sub-M ode Directory SUB-MODE ITEM DISPLA Y ITEM DESCRIPTION COMMENT STRT COMPRESSOR ST AR TS ST .A1 XXXX Compressor A1 Starts ST .A2 XXXX Compressor A2 Starts ST .A3 XXXX Compressor A3 Starts ST .B1 XXXX Compressor B1 Starts ST .B2 XXXX ...

  • Carrier 38APD025-100 - page 69

    69 APPENDIX A — DISPLA Y T ABLES (cont) Temperature Mode and Sub- Mode Directory Pressures Mode and Su b-Mode Directory Set Points Mode and Sub-Mode Directory SUB-MODE ITEM DISPLA Y ITEM DESCRIPTION COMMENT UNIT ENTERING AND LEA VING UNIT TEMPERA TURES RA T xxx.x °F Return Air T emperature SA T x xx.x °F Supply Air T emperature OA T xxx.x °F O ...

  • Carrier 38APD025-100 - page 70

    70 APPENDIX A — DISPLA Y T ABLES (cont) Inputs Mode an d Sub-Mode Directory Outputs Mode and Sub-Mod e Directory SUB-MODE ITEM DISPLA Y ITEM DESCRIPTION COMMENT GEN.I GENERAL INPUTS STST ON/OFF Star t/Stop Switch IDF A ON/OFF Indoor F an Status-CIRA Y .1 ON/OFF Y1 Ther mostat Input Y .2 ON/OFF Y2 Ther mostat Input IDFB ON/OFF Indoor Fan Status-CI ...

  • Carrier 38APD025-100 - page 71

    71 APPENDIX A — DISPLA Y T ABLES (cont) Configuration Mode and Sub-Mode Dir ectory SUB-MODE ITEM DISPLA Y ITEM DESCRIPTION COMMENT DISP DISPLA Y CONFIGURA TION TEST ON/OFF T est Display LEDs METR ON/OFF Metric Display Off = English On = Me tric LANG X Languag e Selection Defau l t: 0 0 = English 1 = Espanol 2 = F rancais 3 = P or tuguese P AS.E E ...

  • Carrier 38APD025-100 - page 72

    72 APPENDIX A — DISPLA Y T ABLES (cont) Configuration Mode and Sub-Mode Directory (c ont) SUB-MODE ITEM DISPLA Y ITEM DESCRIPTION COMMENT M.MST MO T ORMASTER MMR.S YES/NO Motor master Select P .GAN XX Head Pressure P Gain Default: 1 Range: 1 to 4 I.GAN XX.X Head Pressure I Gain Def ault: 0.1 Range: -20 to 20 D .GAN XX.X Head Pressure D Gain Defau ...

  • Carrier 38APD025-100 - page 73

    73 APPENDIX A — DISPLA Y T ABLES (cont) Time Clock Mode and Sub-Mode Direct ory SUB-MODE ITEM DISPLA Y ITEM DESCRIPTION COMMENT TIME TIME OF D A Y HH.MM XX.XX Hour and Minute Military (00:00 - 23:59) DA T E MONTH, D A TE, DA Y , AND YEAR MNTH XX Month of Y ear 1 - 12 (1 = Jan uar y , 2 = F ebruar y , etc.) DOM XX Da y of Month Range: 01 -31 D A Y ...

  • Carrier 38APD025-100 - page 74

    74 APPENDIX A — DISPLA Y T ABLES (cont) Time Clock Mode and Sub-Mode Directory (cont) SUB-MODE ITEM DISPLA Y ITEM DESCRIPTION COMMENT HD .09 HOLID A Y SCHEDULE 09 MON XX Holida y Star t Month 1 - 12 (1 = Jan uar y , 2 = F ebruar y , etc.) D A Y XX Star t Day 01-31 LEN XX Duration (days) HD .10 HOLID A Y SCHEDULE 10 MON XX Holida y Star t Month 1 ...

  • Carrier 38APD025-100 - page 75

    75 APPENDIX A — DISPLA Y T ABLES (cont) Time Clock Mode and Sub-Mode Directory (cont) SUB-MODE ITEM DISPLA Y ITEM DESCRIPTION COMMENT HD .20 HOLID A Y SCHEDULE 20 MON XX H olida y Star t Month 1 - 12 (1 = January , 2 = F ebruar y , etc.) D A Y XX Star t Day 01-31 LEN XX Duration (days) HD .21 HOLID A Y SCHEDULE 21 MON XX H olida y Star t Month 1 ...

  • Carrier 38APD025-100 - page 76

    76 APPENDIX A — DISPLA Y T ABLES (cont) Time Clock Mode and Sub-Mode Directory (cont) SUB-MODE ITEM DISPLA Y ITEM DESCRIPTION COMMENT SCH.N Schedule Number 0 SCH.L LOCAL OCCUP ANCY SCH EDULE PER.1 OCCUP ANCY PERIOD 1 OCC.1 XX:XX Period Occupied Time Milit ary (00:00 - 23:59) UNC.1 XX:XX P eriod Unoccupied T ime Military (00:00 - 23:59) MON.1 YES/ ...

  • Carrier 38APD025-100 - page 77

    77 APPENDIX A — DISPLA Y T ABLES (cont) Time Clock Mode and Sub-Mode Directory (cont) SUB-MODE ITEM DISPLA Y ITEM DESCRIPTION COMMENT PER.6 OCCUP ANCY PERIOD 6 OCC.6 XX:XX P eri od Occupied Time Militar y (00:00 - 23:59) UNC.6 XX:XX P eriod Unoccupied T ime Military (00:00 - 23:59) MON.6 YES/NO Monday In P eriod TUE.6 YES/NO T uesda y In P er iod ...

  • Carrier 38APD025-100 - page 78

    78 APPENDIX A — DISPLA Y T ABLES (cont) Operating Mode and Sub-Mod e Directory Alarms Mode and Sub-Mode Direct ory SUB-MODE ITEM DISPLA Y ITEM DESCRIPTION COMMENT MODE MODES CONTR OLLING UNI T MD05 ON/OFF Ramp Load Limited MD06 ON/OFF Timed Ov erride in effect MD09 ON/OFF Slow Change Ov err ide MD10 ON/OFF Minimum OFF time activ e MD14 ON/OFF T e ...

  • Carrier 38APD025-100 - page 79

    79 APPENDIX B — CCN T ABLES Status Tables DESCRIPTION V ALUE UNITS POINT NAME TST A T_IN (T hermostat Input) Indoor F an Status-CIRA Off/On IDF A_FS Y1 Thermostat In put Off/On Y1 Y2 Thermostat In put Off/On Y2 Indoor F an Status-CIRB Off/On IDFB_FS Y3 Thermostat In put Off/On Y3 Y4 Thermostat In put Off/On Y4 A_UNIT (General Unit Parameters) Con ...

  • Carrier 38APD025-100 - page 80

    80 APPENDIX B — CCN T ABLES (cont) Status Tables (cont) DESCRIPTION V AL UE UNITS POINT NAME CIRCB_AN (Circuit B Analog Parameters) P ercent T otal Capacity NNN % CAPB_T P ercent Av ailable Capacity NNN % CAPB_A Discharge Pressure NNN.n PSIG DP_B Suction Pressure NNN.n PSIG SP_B Saturated Condensing T emperature NNN.n degF SCTB Saturated Suction ...

  • Carrier 38APD025-100 - page 81

    81 APPENDIX B — CCN T ABLES (cont) CCN Configuration Tables DESCRIPTION V ALUE UNITS POINT NAME UNIT (U nit Confi guration) Unit Size NNN tons SIZE Number of Refrig Ckts N NUMCKTS Compressor A1 Size NNN tons SIZE_A1 Compressor A2 Size NNN tons SIZE_A2 Compressor A3 Size NNN tons SIZE_A3 Compressor B1 Size NNN tons SIZE_B1 Compressor B2 Size NNN t ...

  • Carrier 38APD025-100 - page 82

    82 APPENDIX B — CCN T ABLES (cont) CCN Configuration Tables (cont ) CCN Maintenance Tab les DESCRIPTION V ALUE UNITS POINT NAME DISPLA Y (Marquee Display Set Up) Service Pass word NNNN P ASSWORD P assword Enab le Disabl e /Enable P ASS_EBL Metric Display Off/On DISPUNIT Language Selection N LANGU AGE HP A (He ad Pressure) SCT Delta for Compressor ...

  • Carrier 38APD025-100 - page 83

    83 APPENDIX B — CCN T ABLES (cont) CCN Maintenance Tables (cont) DESCRIPTION V ALUE UNITS POINT NAME CURRMODS (Maintenance Displa y) Ramp Load Limited Off/On MODE_5 Timed Override in eff ect Off/On MODE_6 Slow Change Ov err ide Off/On MODE_9 Minimum OFF time active Off/On MODE_10 T emperature Reset Off/On MODE_14 Demand Limited Off/On MODE_15 Low ...

  • Carrier 38APD025-100 - page 84

    84 APPENDIX B — CCN T ABLES (cont) CCN Maintenance Tables (cont) DESCRIPTION V ALUE UNITS POINT NAME PM-COIL (Mainten ance Displa y) Coil Cleaning Srv c Inter NNNNN hours SI_ COIL Coil Ser vice Countdown NNN NN hours C L_CDOWN Coil Cleaning Maint.Done No/Y es CL_MAINT Coil Cleanin g Maint.Date 1 5-char ASCII COIL_ PM0 Coil Cleanin g Maint.Date 1 ...

  • Carrier 38APD025-100 - page 85

    ...

  • Carrier 38APD025-100 - page 86

    Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No . 04-53380003-01 Printed in U . S.A . Form 38AP-1T Pg 86 210 11-09 Replaces: New Copy right 2009 Carrier Cor poration ...

  • Carrier 38APD025-100 - page 87

    Manufacturer reserves the right to disco ntinue, or change at any time, specifications or de signs without notice and without inc urring obligations. Catalog No . 04-53380003-01 Printed in U .S.A. F or m 38AP-1T Pg CL-1 210 11-09 Replaces: New ST ART -UP CHECKLIST FOR 38AP SPLIT SYSTEM CONDENSING UNIT (Remove a nd use for Job File) I. Project Inf o ...

  • Carrier 38APD025-100 - page 88

    CL-2 Refrigeration System Chec k 1. ALL SER VICE V AL VES ARE OPEN.  YES  NO 2. ONL Y BLEED TXV(S) ARE IN ST ALLED .  YES  NO 3. ALL PIPING IS CONNECTED PROPERL Y .  YES  NO 4. FIL TER DRIERS AND SIGHT GLASSES ARE INST ALLED NEAR THE TXV(S).  YES  NO 5. THE SYSTEM HAS BEEN EV A CUA TED .  YES  NO 6. THE SYSTEM HAS BEEN ...

  • Carrier 38APD025-100 - page 89

    CL-3 Start and Operate Mach ine. Complete the Follo wing: 1. COMPLETE COMPONENT TEST .  YES  NO 2. CHECK REFRIGERANT AND OIL CHARGE.  YES  NO 3. FINISH CHARGING ACCORDING T O THE CHARGING CHART PR O VIDED .  YES  NO 4. RECORD COMPRESSOR MOT OR CURRENT .  YES  NO 5. RECORD CONFIGURA TION SETTINGS.  YES  NO 6. RECORD OPE ...

  • Carrier 38APD025-100 - page 90

    CL-4 Compressor Running Current — All readings tak en at full load. Recor d Software V ersions MODE — RUN ST A TUS (PRESS ENTER & ESCAPE SIMUL T ANEOUSL Y T O OBT AIN SOFTW ARE VERSIONS) COMPRESSOR MO TOR CURRENT L1 L2 L3 COMPRESSOR A1 COMPRESSOR A2 COMPRESSOR A3 COMPRESSOR B1 COMPRESSOR B2 COMPRESSOR B3 CONDENSER F AN MOT OR CURRENT L1 L2 ...

  • Carrier 38APD025-100 - page 91

    CL-5 COMMENTS: _____________ ________________________ _____________________ _____________ __________________ _____________ ________________________ _____________________ _____________ __________________ _____________ ________________________ _____________________ _____________ __________________ _____________ ________________________ ______________ ...

  • Carrier 38APD025-100 - page 92

    Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No . 04-53380003-01 Printed in U.S .A. Form 38AP-1T Pg CL-6 210 11-09 Replaces: Ne w Copy right 2009 Carrier Cor poration - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...

Manufacturer Carrier Category Air Conditioner

Documents that we receive from a manufacturer of a Carrier 38APD025-100 can be divided into several groups. They are, among others:
- Carrier technical drawings
- 38APD025-100 manuals
- Carrier product data sheets
- information booklets
- or energy labels Carrier 38APD025-100
All of them are important, but the most important information from the point of view of use of the device are in the user manual Carrier 38APD025-100.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Carrier 38APD025-100, service manual, brief instructions and user manuals Carrier 38APD025-100. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Carrier 38APD025-100.

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A complete manual for the device Carrier 38APD025-100, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Carrier 38APD025-100 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Carrier 38APD025-100.

A complete Carrier manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Carrier 38APD025-100 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Carrier 38APD025-100, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Carrier 38APD025-100, that we can find in the current document
3. Tips how to use the basic functions of the device Carrier 38APD025-100 - which should help us in our first steps of using Carrier 38APD025-100
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Carrier 38APD025-100
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Carrier 38APD025-100 in a specific country, if it was not possible to solve the problem on our own.

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