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Carrier AQUASNAP 30RA/RH - page 1
30RA/RH “B” 30R Y/R YH “B” PRO-DIALOG Control Operation and maintenance instructions AQUASNAP ...
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Carrier AQUASNAP 30RA/RH - page 2
2 TABLE OF CONTENTS 1 - SAFETY CONSIDERATIONS ...................................................................................................... ............................................ 4 1.1 - General .................................................................................................................. ......................... ...
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Carrier AQUASNAP 30RA/RH - page 3
3 GENERAL LEGEND Each of the following drawings is replaced in the whole document by the corresponding explanation: Start/stop button Return key Down arrow Up arrow DEL T A T . Example: temperature difference between entering and lea ving heat exchanger temperatures means character is flashing The cover graphics ar e solely for illustration and for ...
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Carrier AQUASNAP 30RA/RH - page 4
4 1 - SAFETY CONSIDERATIONS 1.1 - General Installation, start-up and servicing of equipment can be hazardous if certain factors particular to the installation are not considered: operating pressures, presence of electrical components and voltages and the installation site (elevated plinths and built-up up structures). Only properly qualified instal ...
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Carrier AQUASNAP 30RA/RH - page 5
5 3 - HARDWARE DESCRIPTION 3.1 - General Figure 1 3.2 - Electrical supply to boards All boards, except the PD-RCPM board, are supplied from a common 24 V a.c. supply ref erred to earth. CAUTION: Maintain the correct polarity when connecting the power supply to the boards, otherwise the boards may be damaged. In the event of a power supply interrupt ...
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Carrier AQUASNAP 30RA/RH - page 6
6 3.6 - Connections at the user's terminal block 3.6.1 - General description The contacts below are available at the user's terminal block on the NRCP-BASE board (see figure 1). Some of them can only be used if the unit operates in remote operating type (rEM). The follo wing table summarises the connections a t the user’ s terminal bloc ...
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Carrier AQUASNAP 30RA/RH - page 7
7 Description Alarm relay output circuit A Alarm relay output circuit B Boiler relay output Contact 1: start/stop/heat/cool Contact 2: start/stop/heat/cool Contact 3: demand limit selection Contact 4: demand limit selection Contact 5: setpoint selection Control contact 6: setpoint selection User safety loop input Connection to CCN Connector/channel ...
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Carrier AQUASNAP 30RA/RH - page 8
8 3.6.2 - Volt-free contact on/off/cooling/heating without multiplexing If the automatic heating/cooling changeover function is not selected (see sections 4.3.11.3, 5.1 and 5.2) the operation of contacts 1 and 2 is as follows: OFF ON cooling ON heating Contact 1 Open Closed Closed Contact 2 - Open Closed Contact status not significant 3.6.3 - Volt- ...
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Carrier AQUASNAP 30RA/RH - page 9
9 MAIN INTERF A CE BUTTON NAME DESCRIPTION Menu P er mits the selection of a main menu. Each main menu is represented b y an icon. The icon is lit if active. Up arrow Permits scrolling through the menu items (in the two-digit display). If the modification mode is active this button aut horises increase of the v alue of any parameter. Down arrow Per ...
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Carrier AQUASNAP 30RA/RH - page 10
10 The summary interface (right hand section) includes a mimic diagram of the unit, together with push-buttons and LEDs. It gives quick access to the main operating parameters of the unit. SUMMARY INTERF ACE LEDs* LED INDICA TION WHEN LIT Green LED : The unit is authorised to start or is already running Red LED: - Lit: circuit A or unit shut do wn ...
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Carrier AQUASNAP 30RA/RH - page 11
11 4.3 - Menus 4.3.1 - Selecting a menu The MENU button authorises you to select a menu from the 10 main menus that are available. Each time you press this button one of the 10 LEDs lights up in turn alongside each of the icons representing a main menu. The acti ve menu is the one against which the LED is lit. If a menu is empty then its LED is not ...
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Carrier AQUASNAP 30RA/RH - page 12
12 0 0 SEtPoint 1 1 6.0 6.0 5.9 5.8 5.7 1 5.7 MODIFYING THE V ALUE OF A P ARAMETER OPERA TION PRESS BUTTON MENU LED ITEM NUMBER ITEM V ALUE 2-DIGIT DISPLA Y 4-DIGIT DISPLA Y Hold on the MENU button until the LED for SETPOINT lights. PRO-DIALOG Junior interface: Press the menu button, until SETPOINTS is displayed in the 4-digit display Press one of ...
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Carrier AQUASNAP 30RA/RH - page 13
13 S TATUS TEMPERATURES PRESSURES SETPOINTS INPUTS OUTPUTS CONFIGURATION ALARMS ALARMS HISTORY ALARMS USER [USEr] SERVICE [SErviCE] FACTORY [FACtorY] RUNTIME 1 [RuntiME 1] RUNTIME 2 [RuntiME 2] MAINTENANCE [MAintEnAnCE] PERIOD 3 [PEriod 3] PERIOD 4 [PEriod 4] PERIOD 5 [PEriod 5] PERIOD 6 [PEriod 6] PERIOD 7 [PEriod 7] PERIOD 8 [PEriod 8] PERIOD 1 [ ...
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Carrier AQUASNAP 30RA/RH - page 14
14 MENU Menu tree structure Legend * Displayed if the configuration requires it ** Displayed if the alarm exists - Not in use ITEM 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ST A TUS Default display Mode Chiller occupied mode* Minutes left Cooling/heating selection* Cooling/heating status* Unit capacity in % Capacity circuit A in %* Capacity circuit ...
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Carrier AQUASNAP 30RA/RH - page 15
15 INFORMA TION MENU (3) ITEM FORMA T UNITS 0 ±nn.n °C LOFF - L-On - L-Sc - CCn - rEM - MASt - OFF - rEADY - dELA Y - StOPPing - running - triPout - OvErridE - dEFrOSt - OCCUPIEd - UNOCCUPIEd - COOL - HEA T - StAndbY - BotH - ALArM - ALErt - MAStEr - SLAvE - 1 [1] nn - 2 [2] - occu unoc Forc 3 nn.n minutes 4 [2] - HEAt - COOL - Auto - 5 [2] HEAt ...
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Carrier AQUASNAP 30RA/RH - page 16
16 DESCRIPTION The delay at start-up operates after the unit has been switched on. If the delay has not expired, the mode is active . The dela y is configured in the User Configuration 1 menu. The second cooling/heating setpoint is active. See section 5.6.1 The third heating setpoint is active. See section 5.6.1 In this mode, the unit uses the rese ...
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Carrier AQUASNAP 30RA/RH - page 17
17 SETPOINTS MENU [2] ITEM FORMA T UNITS RANGE 0 ±nn.n ° C See table below 1 ±nn.n ° C See table below 2 nnn °C See table below 3 [1] nnn °C See table below 4 [1] nn.n ° C See table below 5 [1] ±nn.n °C 3.8 to 50 6 [1] ±nn.n °C 0 to 46 7 nnn % 0 to 100 8 [1] nnn % 0 to 100 9 [1] nnn % 0 to 100 10 ±nn.n °C/min 0.1 to 1.1 11 [1] ±nn.n ? ...
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Carrier AQUASNAP 30RA/RH - page 18
18 INPUTS MENU [2] ITEM FORMA T UNITS 0 oPEn/CLoS - 1 [1] oPEn/CLoS - 2 oPEn/CLoS - 3 oPEn/CLoS - 4 [1] oPEn/CLoS - 5 [1] oPEn/CLoS - 6 [1] oPEn/CLoS - 7 oPEn/CLoS - 8 [1] b 1 b 2 b 3 - 9 [1] b 1 b 2 b 3 - LE A VING WA TER TEMPERA TURE CONTROL SETPOINT - °C R-22/R-407C Minimum cooling value W ater 5.0 Medium brine 0.0 Brine -10.0 Maximum cooling v ...
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Carrier AQUASNAP 30RA/RH - page 19
19 4.3.10 - Description of the Outputs/Tests menu 4.3.10.1 - General This menu displays the status of the controller outputs. More- ov er , when the machine is fully stopped (LOFF) the outputs can be activated for manual or automatic tests (the access to the tests is password controlled). 4.3.10.2 - Menu description OUTPUTS ST A TUS & TESTS MEN ...
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Carrier AQUASNAP 30RA/RH - page 20
20 OUTPUTS ST A TUS & TESTS MENU [2] [3] continued ITEM FORMA T UNITS 13 [1] b 1 b 2 b 3 b 4 tESt 14 [1] YES - no - tESt % 15 A uto tESt - DESCRIPTION Additional heating stage status. b 1 = stage 1 b 2 = stage 2 b 3 = stage 3 b 4 = stage 4 In test mode the arrow keys successively display 0001, 0010, 0100 and 1000 to force the status of each ele ...
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Carrier AQUASNAP 30RA/RH - page 21
21 The table belo w describes the dif ferent sequences of the automatic test. TEST NUMBER 0 1 2 3 4 5, 6 7, 8, 9 10, 11 12, 13, 14 15, 16, 17 18 19, 20, 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 DESCRIPTION Outdoor temperature sensor test Pressure sensor test - circuit A Pressure sensor test - circuit B (dual-circuit units only) Defrost ...
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Carrier AQUASNAP 30RA/RH - page 22
22 The table below describes the faults that can be displayed during the automatic test. TEST F AUL T 1 2 3 4 5 6 7 8 9 10 11, 12, 13; 14, 15 16, 17, 18, 19, 20 21 22, 23; 24, 25, 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 DESCRIPTION Outdoor air thermistor outside range Outdoor air value read not validated ...
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Carrier AQUASNAP 30RA/RH - page 23
23 SUB-MENU USER CONFIGURA TION * only displayed if configuration requires. NOTE: The items in brackets show what is displayed on the user interface. SCHEDULE 1 [ScHEduLE 1MEnu]* Return to previous menu SUB-MENU: Period 1 [PErIod 1] SUB-MENU: Period 2 [PErIod 2] SUB-MENU: Period 3 [PErIod 3] SUB-MENU: Period 4 [PErIod 4] SUB-MENU: Period 5 [PErIod ...
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Carrier AQUASNAP 30RA/RH - page 24
24 4.3.1 1.3 - Description of the User 1 Configuration sub-menu 1 This item shall be masked when not used. 2 Access to menu is read/write. U SER 1 CONFIGURA TION SUB-MENU [2] ITEM FORMA T UNITS DE FA U L T COMMENTS 0 USEr MEnu - - When selected this item authorises return to the previous menu. 2 [1] YES/no - no Ramp loading select . F or units with ...
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Carrier AQUASNAP 30RA/RH - page 25
25 4.3.1 1.4 - Description of the User 2 Configuration sub-menu 4.3.1 1.6 - Description of the Time Schedules sub-menus The control provides two timer programs: schedule 1 and schedule 2 that can be activated if the unit is equipped with an optional CCN/clock board (if the CCN/clock board is not installed, the two schedules are permanently in occup ...
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Carrier AQUASNAP 30RA/RH - page 26
26 PERIOD X CONFIGURA TION SUB-MENUS (X = 1 TO 8) ITEM # FORMA T COMMENTS 0 Period X Menu Indicates the period (X) you are going to configure. When selected this item authorises a return to the main menu. 1n 1 n 2 n 3 n 4 Occupied period - Start time* . 00:00 to 24:00 Authorises entering the time of day at which the occupied period starts. 2n 1 n 2 ...
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Carrier AQUASNAP 30RA/RH - page 27
27 BROADCAST CONFIGURA TION SUB-MENU ITEM # FORMA T COMMENTS 0 broAdCASt MEnu When selected this item authorises a return to the main menu. 1 YES/no Determines whether or not the unit is a broadcast acknowledger when the unit is connected on a CCN network . There must be only one broadcast acknowledger in a CCN. W arning : if the unit operates in s ...
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Carrier AQUASNAP 30RA/RH - page 28
28 ITEM # 0 [1] 1 [1] 2 [1] 3 [1] 4 [1] 5 [1] FORMA T X ALArM rESEt ALArM 1 to 55 1 to 55 1 to 55 1 to 55 1 to 55 COMMENTS X alarms are active Reset of alarms is requested T o reset all active alar ms, continuously press the Enter ke y . ‘rESET ALArM’ is then displayed. Press the select key again: all alarms are reset. Current alarm code 1* Cur ...
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Carrier AQUASNAP 30RA/RH - page 29
29 5 - PRO-DIALOG CONTROL OPERATION 5.1 - Start/stop control The table below summarises the unit control type and stop or go status with regard to the following parameters. - Operating type : this is selected using the start/stop button on the front of the user interface. - Remote start/stop contacts : these contacts are used when the unit is in re ...
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Carrier AQUASNAP 30RA/RH - page 30
30 CHIL_S_S - - - - - - Disable - - - - Disable - - - - - - Enable - - - - Enable REMOTE ST ART/STOP CONT ACT - - - - Off - - - - Off - - - - - On cooling On heating On auto - - On cooling On heating On auto - MASTER CONTROL TYPE - - - - - - - - Local Remote Remote CCN CCN - - - - - - Local Remote Remote Remote CCN ST ART/STOP SCHEDULE MODE - - - U ...
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Carrier AQUASNAP 30RA/RH - page 31
31 5.3 - Evaporator water pump control The unit can control one or two e va porator water pumps. The evaporator water pump is turned on when this option is configured (see User configuration) and when the unit is in on e of the on modes described above or in delay mode. Since th e minimum value for the delay at start-up is 1 minute (configurable be ...
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Carrier AQUASNAP 30RA/RH - page 32
32 The following table summarises the possible selections depending on the control types (local, remote or CCN) and the following parameters: - Setpoint select in local control : item #12 of the Infor- mation menu permits selection of the active setpoint, if the unit is in local operating type. - Heating/cooling operating mode - Control contacts: s ...
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Carrier AQUASNAP 30RA/RH - page 33
33 5.6.2 - Reset Reset means that the active setpoint is modified so that less machine capacity is required (in cooling mode, the setpoint is increased, in heating mode it is decreased). This modif ica tion is in general a reaction to a drop in the load. For the Pro-Dialog control system, the source of the reset can be configured in the User 1 conf ...
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Carrier AQUASNAP 30RA/RH - page 34
34 5.11 - Defrost function Defrost is activated, when the unit is in heating mode, in order to reduce frost build-up on the air heat exc hanger . The defrost cycle can only be applied to one circuit at a time. During the defrost cy cle the fans of that circuit are stopped, and the four- way refrigerant valve is reversed, forcing the circuit to cool ...
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Carrier AQUASNAP 30RA/RH - page 35
35 A LARM C ODE 1 2 3 5 6 7 9 10 11 12 13 14 15 16 17 18 21 22 23 24 ALARM NAME Compressor A1 failure Compressor A2 failure Compressor A3 failure Compressor B1 failure Compressor B2 failure Compressor B3 failure Heat exchanger leaving fluid thermistor failure Heat exchanger entering fluid thermistor failure CHWS fluid thermistor failure (master/sla ...
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Carrier AQUASNAP 30RA/RH - page 36
Order No. 13444-76, 06.2005. Supersedes order No.: 13429-76, 06.2004. Manufactured by: Carrier s.a., Montluel, France. Manufacturer reserves the right to change any product specification without notice. Printed in the Netherlands on chlorine-free paper. A LARM C ODE 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55-2 55- ...
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