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Manual York DM090

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Summary
  • York DM090 - page 1

    INST ALLA TION MANUAL CAUTION: READ ALL SAFETY GUIDES BEFORE YOU BEGIN TO INST ALL YOUR UNIT . SA VE THIS MANUAL SINGLE P ACKAGE AIR CONDITIONERS AND SINGLE P ACKAGE ELECTRIC UNITS DM090, 120 and 150 7-1/2 TO 12-1/2 T ON (380V , 3 Phase, 60 HZ) 035-17311-003-A-0704 NOTES, CAUTIONS AND W ARNINGS The installer should pay p articular attention to the ...

  • York DM090 - page 2

    035-17311-003-A-0704 2 Unitary Products Group T ABLE OF CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . 5 INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 REFERENCE . . . . . . . . . . . . . . . . . ...

  • York DM090 - page 3

    035-17311-003-A-0704 Unitary Products Group 3 LIST OF FIGURES Fig. # Pg.# 1 UNIT SHIPPING BRA CKET . . . . . . . . . . . . . . . . . . . . 10 2 CONDENSER COVERING . . . . . . . . . . . . . . . . . . . . 10 3 COMPRESSOR SECTION . . . . . . . . . . . . . . . . . . . . . 10 4 PREDATOR ® COMPONENT LOCATI ON . . . . . . . . . 11 5 UNIT 4 POINT LOAD . . ...

  • York DM090 - page 4

    035-17311-003-A-0704 4 Unitary Products Group LIST OF T ABLES Tbl.# Pg.# 1 UNIT VOLTAGE LIMIT ATIONS . . . . . . . . . . . . . . . . . 11 2 UNIT TEMPERATURE LIMIT ATIONS . . . . . . . . . . . . 11 3 UNIT WEIGHTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4 6 POINT LOAD WEIG HT . . . . . . . . . . . . . . . . . . . . . . 12 5 4 POI ...

  • York DM090 - page 5

    035-17311-003-A-0704 Unitary Products Group 5 GENERAL YORK ® Predator ® units are single package air conditi oners designed for outdoor installation on a rooftop or slab and for non-residential use. These units can be equipped with factory or field installed electric heaters for heating applications. These units are completely assembled on rigid, ...

  • York DM090 - page 6

    035-17311-003-A-0704 6 Unitary Products Group NOMENCLA TURE 6½ - 12½ Ton Predator Model Number Nomenclature Product Category D = Air Cond., Single Package Product Identi fier M = R-22 Stan dard Efficiency Airflow Installation Options Additional Option s (See Next Page) Product Genera tion 3 = Third Generation 4 = Fourth Generation Voltage 3 = 380 ...

  • York DM090 - page 7

    035-17311-003-A-0704 Unitary Products Group 7 NOMENCLA TURE, ADD ITONAL OPTIONS: AA None AB Phase Monitor AC Coil Guard AD Dirty Filter Switch AE Phase Monitor & Coil Guard AF Phase Monitor & Dirty Filter Switch AG Coil Guard & Dirty Filter Switch AH Phase Monitor , Coil Gu ard, & Dirty Filter Switch CA CPC Controller with Dirty F i ...

  • York DM090 - page 8

    035-17311-003-A-0704 8 Unitary Products Group HN Honeywell Excel 10 Controller , DFS, APS & T echnico at Evap. & Cond Coils HP Honeywell Excel 10 Controller , DFS, APS, T e chnicoat Evap. & Cond Coils, & Phase Monitor HQ Honeywell Excel 10 Controller , DFS, APS, T e chnicoat Evap. & Cond Coils, & Coil Guard HR Honeywell Exce ...

  • York DM090 - page 9

    035-17311-003-A-0704 Unitary Products Group 9 TE T echnicoat Con denser Coil, Phase Monitor, & Coil Guard TF T echnicoat Condenser Coil, Phase Monitor , & Dirty Filter Switch TG T echnicoat Condenser Coil, Coil Guard, & Dirty Filter Switch TH T echnicoat Condenser Coil, Phase Moni tor , C oil Guard, & Dirty Filter Switch TJ T echnic ...

  • York DM090 - page 10

    035-17311-003-A-0704 10 Unitary Products Group INST ALLA TION INST ALLA TION SAFETY INFORMA TION Read these instructions before continui ng this appliance installation. This is an outdoor combination heating and cool- ing unit. The inst aller must assu re that these instructions are made available to the consumer and with instructions to retain the ...

  • York DM090 - page 11

    035-17311-003-A-0704 Unitary Products Group 11 LOCA T ION Use the following guideline s to select a suitable location for these units: 1. Unit is designed for outdoor installation only . 2. Condenser coils must have an unlimited supply of ai r . Where a choice of location is possible, posi tion the unit on either north or east side of building. 3. ...

  • York DM090 - page 12

    035-17311-003-A-0704 12 Unitary Products Group Units may be moved or lifted with a forklif t. Slotted openings in the base rails are provided for this purpose. LENG TH OF FORKS MUST BE A MINIMUM OF 60 INCHES. CLEARANCES All units require particular clearances for proper operation and service. Installer must make provisions for adequate ventilation ...

  • York DM090 - page 13

    035-17311-003-A-0704 Unitary Products Group 13 NOTE: A one-inch clearance must be provided between any combustible material an d the supply ductwork for a distance of 3 feet from the uni t. Do not permit overhanging structures or shrubs to obstruct condenser air discharge outlet, combustion air inlet or vent outlets. FIGURE 8 - UNIT DIMENSIONS F o ...

  • York DM090 - page 14

    035-17311-003-A-0704 14 Unitary Products Group . FIGURE 9 - BOTTOM DUCT OPENINGS (FROM ABOVE) 14- 23/32 16-3/8 18-1/16 19-5/8 63-1/2 7-1/8 17-3/16 19-3/16 21-3/16 6-13/16 32-11/16 6-13/16 6-13/16 27-1/2 18 21 24 Return Air Supply Air Bottom Condensate Entry FRONT Bottom Power, Control and Convenience Outlet Wiring Entries Bottom Gas Supply Entry 12 ...

  • York DM090 - page 15

    035-17311-003-A-0704 Unitary Products Group 15 DUCTWORK Ductwork should be d esigned and sized a ccording to th e methods in Manual D of the Air Cond itioning Contractors of America (ACCA) or as reco mmende d by any other recog- nized authority such as ASHRAE or SMACNA. A closed return duct system should be used. Thi s will not preclude use of econ ...

  • York DM090 - page 16

    035-17311-003-A-0704 16 Unitary Products Group Note orientation. Panel is “insulation” side up. CONDENSA TE DRAIN The side condensate drain is reversible and maybe re-ori- ented to the rear of the cabi net to fa cilitate condensate pip- ing. A condensate drain connection is a vailable through th e base pan for piping inside the roof curb. Trap ...

  • York DM090 - page 17

    035-17311-003-A-0704 Unitary Products Group 17 THERMOST A T WIRING The thermostat should be loca ted on an inside wall approxi- mately 56 inches above the floor where i t will not be subject to drafts, sun exposure or heat from electrical fixtures or appliances. Fo llow the manufacturer's instructions enclosed with thermostat for general inst ...

  • York DM090 - page 18

    035-17311-003-A-0704 18 Unitary Products Group FIGURE 17 - ELECTRONIC THERMOST A T FIELD WIRING W 2 R C R H Y 1 Y 2 W 1 G C X 1 X 3 X 4 A 1 A 2 T T W 2 Y 1 Y 2 W 1 G C O C C X R T H E R M O S T A T 1 T E R M I N A L S U N I T T E R M I N A L S S T R I P T B 1 1 E l e c t r o n i c p r o g r a m m a b l e T h e r m o s t a t 2 E T 0 7 7 0 0 1 0 0 2 ...

  • York DM090 - page 19

    035-17311-003-A-0704 Unitary Products Group 19 T ABLE 8: ELECTRICAL DA T A - DM090 (7-1/2 TON) WITHOUT POWER C ONVENIENCE OUTLET T ABLE 9: ELECTRICAL DA T A - DM090 (7-1/2 TON) WITH POWER CONVENIENCE OUTLET FIGURE 19 - FIELD WIRING DISCONNECT RL A LR A FL A 1.5 2 1.5 2 1.5 2 1.5 2 1.5 2 ea. ea. ea. HP HP HP HP HP HP HP HP HP HP None -- -- 20.7 21.7 ...

  • York DM090 - page 20

    035-17311-003-A-0704 20 Unitary Products Group T ABLE 10: ELECTRICAL DA T A - DM120 (10 TON) WITHOUT POWER CONVENIENCE OUTLET T ABLE 1 1: ELE CTRICAL DA T A - DM120 (10 TON) WITH POWER CONVENIENCE OUTLET T ABLE 12: ELECTRICAL DA T A - DM150 (12-1/2 TON) WITHOUT POWER CONVENIENCE OUTLET T ABLE 13: ELECTRICAL DA T A - DM150 (12-1/2 TON) WITH POWER CO ...

  • York DM090 - page 21

    035-17311-003-A-0704 Unitary Products Group 21 OPTIONS/ACCESSORIES ELECTRIC HEA T ACCESSORIES Electric heaters are available as field installed accessories. Refer to electric heat instructi ons for installation. These heat- ers mount in the heat compartm ent with the heating elements extending into the supply air cham ber . All electric heaters are ...

  • York DM090 - page 22

    035-17311-003-A-0704 22 Unitary Products Group ECONOMIZER The Economizer can be a factory installed option or a field installed accessory . If factory installed, refer to the instruc- tions included with the ou tdoor air hood to complete the assembly . Fie ld installed Economizer accessories include complete instructions for installation. There are ...

  • York DM090 - page 23

    035-17311-003-A-0704 Unitary Products Group 23 FIGURE 20 - ENTHALPY SET POINT CHART 40 (4) 70 (21) 50 (10) 55 (13) 60 (16) 65 (18) 35 (2) 45 (7) 75 (24) 80 (27) 35 (2) 40 (4) 45 (7) 50 (10) 55 (13) 60 (16) 65 (18) 70 (21) 75 (24) 80 (27) 85 (29) 85 (29) 90 (32) 90 (32) 105 (41) 110 (43) 100 (38) 95 (35) 95 (35) 100 (38) 105 (41) 110 (43) APPROXIMAT ...

  • York DM090 - page 24

    035-17311-003-A-0704 24 Unitary Products Group PHASING Predator ® units are properly phased at the factory . Check for proper compress or rotation . If the blower or compressors rotate in the wrong dire ction at start-up, the electric al connec- tion to the unit is misphase d. Change the phasing of th e Field Line Connection at the fa ctor y or fi ...

  • York DM090 - page 25

    035-17311-003-A-0704 Unitary Products Group 25 T ABLE 17: 7-1/2 T O N ST ANDAR D MOTOR DOWN SHOT BLOWER PERFORMANCE * † ESP ‡ TURNS OPEN ** 0123 4 5 CFM W †† BHP CFM W †† BHP C FM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP 0.2 - - - 3715 1573 1.69 36 34 1434 1.54 3 431 1265 1.36 3218 901 0.97 30 24 976 1.05 0.4 3650 ...

  • York DM090 - page 26

    035-17311-003-A-0704 26 Unitary Products Group T ABLE 19: 10 T ON ST ANDARD MOTOR DOWN S HOT BLOWER PERFORMAN CE * † ESP ‡ TURNS OPEN ** 012345 CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BH P 0.2 - - - - - - - - - 3896 16 39 1.76 3688 1 453 1.56 3447 1268 1.36 0.4 4040 2076 2.23 4005 1934 2 ...

  • York DM090 - page 27

    035-17311-003-A-0704 Unitary Products Group 27 T ABLE 21: 12-1/2 T ON ST ANDARD MOTOR DOWN SHOT BLOW ER PERFORMANCE * † ESP ‡ TURNS OPEN ** 012345 CFM W †† BHP CFM W †† BH P CFM W †† BHP CFM W †† BHP CFM W †† BHP CF M W †† BHP 0.4 5078 3630 3 .89 4809 3 103 3.33 45 94 3053 3. 27 4360 2 478 2.66 4090 2093 2.24 3812 1798 1 ...

  • York DM090 - page 28

    035-17311-003-A-0704 28 Unitary Products Group T ABLE 23: 7-1/2 T O N ST ANDARD MOTOR SIDE SHOT BLOWER PERFORMANCE * † ESP ‡ TURNS OPEN ** 01234 5 CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP 0.4 - - - - - - 373 6 1476 1 .58 3 487 1284 1.38 3 231 1 109 1.19 3001 970 1.04 0.6 - - - 3572 15 ...

  • York DM090 - page 29

    035-17311-003-A-0704 Unitary Products Group 29 T ABLE 25: 10 T ON ST ANDARD MOTOR DOWN SHOT BLOW ER PERFORMANCE * † ESP ‡ TURNS OPEN ** 012345 CFM W †† BHP CFM W †† BH P CFM W †† BHP CFM W †† BHP CFM W †† BHP CF M W †† BHP 0.2 - - - - - - - - - 3896 1639 1.76 3688 1453 1.56 3447 1268 1.36 0.4 4040 2076 2.23 400 5 1934 2. ...

  • York DM090 - page 30

    035-17311-003-A-0704 30 Unitary Products Group NOTES FOR T ABLE 17 THROUGH T ABLE 28: • Blower pe rformance includes dry coil and two-inch filters. • Blower performan ce for gas heat includes the maximum number of heat tubes available for each tonnage. • ESP (External S tatic Pressure ) given is that available for the supply and return air du ...

  • York DM090 - page 31

    035-17311-003-A-0704 Unitary Products Group 31 AIR BALANCE S tart the supply air blower motor . Adjust the resistances in both the suppl y and the return air duct systems to balance the a i r distribution throughout the condit ioned space. The job specifications may requ ire that this balancing be done b y someone other than the equipment installer ...

  • York DM090 - page 32

    035-17311-003-A-0704 32 Unitary Products Group SUPPL Y AIR DRIVE ADJUSTMENT At unit start-up, the measured CFM may be high er or lower than the required CFM. T o ac hieve the required CFM, the speed of the drive may have adjusted by changi ng the datum diameter (DD) of the variable pitch motor sh eave as described below: Required CF M Measured CF M ...

  • York DM090 - page 33

    035-17311-003-A-0704 Unitary Products Group 33 OPERA TION SEQUENCE OF OPERA TIONS OVERVIEW For the Predator ® series of unit s, the thermostat makes a cir- cuit between "R" and "Y1" for the first stage of cooling. The call is passed to the Unit Control Board (UCB) , which then determines whether the req uested o peration is ava ...

  • York DM090 - page 34

    035-17311-003-A-0704 34 Unitary Products Group COOLING SEQUEN CE OF OPERA TION CONTINUOUS BLOWER By setting the room thermostat fan switch to "ON," the supply air blower will operate continuously . INTERMITTENT BLOWER With the room thermostat fan switch set to "AUTO" and the system switch set to either t he "AUTO" or & ...

  • York DM090 - page 35

    035-17311-003-A-0704 Unitary Products Group 35 COOLING OPERA TION ERROR S Each cooling system is monitore d for operation outside of the intended parameters. Errors are handled as described below . All system errors override mi nimum run times for compres- sors. HIGH-PRESSURE LIMIT SWITCH During cooling operation, if a high-pressure limit switch op ...

  • York DM090 - page 36

    035-17311-003-A-0704 36 Unitary Products Group a compressor too soon after its previous run. Additionally , a minimum run time is impo sed any time a compre ssor is ener- gized. The ASCD is initiated on unit start-up and on any compressor reset or lock-out. FLASH CODES The UCB will initiate a flash code asso ciated with errors within the system. Re ...

  • York DM090 - page 37

    035-17311-003-A-0704 Unitary Products Group 37 ST ART -UP (COOLING) PREST ART CHECK LIST After installation has been completed: 1. Check the electrical sup ply voltage being supplied. Be sure that it is the same as listed on the u nit nameplate. 2. Set the room thermostat to the off position. 3. T urn unit electrical power on. 4. Set the room therm ...

  • York DM090 - page 38

    035-17311-003-A-0704 38 Unitary Products Group T ABLE 35: 10 TON STANDARD EFFICIENCY SUP ERHEAT CHARGING Out door Te m p ( ° F ) Superheat at Compressor Suction (°F) Airflow = 4000 CFM Indoor WB T emp (°F) 55 57 59 61 63 65 67 69 71 73 7 5 65 19. 6 20.8 22. 0 23.2 2 4.4 25.6 26 .9 28.4 2 9.9 31.4 32 .9 70 14. 4 16.0 17. 5 19.0 2 0.5 22.0 23 .5 2 ...

  • York DM090 - page 39

    035-17311-003-A-0704 Unitary Products Group 39 NORMAL MAINTENANCE GENERAL FIL T ERS Inspect once a mo nth. Replace dispos able or clean perma- nent type as necessary . DO NOT replace permanent type with disposable. MOTORS Indoor fa n and outdoor fan moto rs are permanently lubri cated and require no mai ntenance. OUTDOOR COIL Dirt should not be all ...

  • York DM090 - page 40

    035-17311-003-A-0704 40 Unitary Products Group T ABLE 37: UNIT CONTROL BOARD FLASH CODES Flash Code Description On Steady Control F ailure - Repla ce Control Heart Beat No rmal Operation 1 Flash Not Applicable 2 Flashes Control waiting ASCD * 3 Flashes HPS1 - Compressor Loc k out 4 Flashes HPS2 - Compressor Lock out 5 Flashes LPS1 - Compressor L oc ...

  • York DM090 - page 41

    035-17311-003-A-0704 Unitary Products Group 41 COOLING TROUBL ESHOOTING GUIDE On calls for cooling, if the compressors are operati ng but the supply air blower motor do es not energize after a short de lay (the room thermostat fan switch is in the “AUTO” position): 1. T urn the thermostat fan switch to the ON po sition. If the supply air blower ...

  • York DM090 - page 42

    035-17311-003-A-0704 42 Unitary Products Group locked out the compressor for repeat trips. The UCB should be flashing an ala rm code. If not, press and release the ALARMS button on the UCB. The UCB will flash the last five alarms on the LED. If the compressor is locked out, cancel any call for cooling. This will reset any compressor lock outs. NOTE ...

  • York DM090 - page 43

    035-17311-003-A-0704 Unitary Products Group 43 9. If 24 volts is present at the UCB Y2 terminal and none of the protection switches have opened, the UCB may have locked out the comp ressor fo r repeat trips. The UCB should be flashing a code. If not, press and release the ALARMS button on the UCB. The UCB will flash the last five alarms on the LED. ...

  • York DM090 - page 44

    Subject to change without notice. Print ed in U.S.A. 035-17311-003-A-070 4 Copyright © 2004 by Unitary Products Gro up. All rights reserved. Supersedes: 035-17311- 002-A-0803 Unitary 5005 Norman Product s Y ork OK Group Drive 73069 terminal. If 24 volts is not present, check for loose wiring from the Y1 “OUT” terminal to the Mate-N-Lock plug, ...

Manufacturer York Category Air Conditioner

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