Carrier 50PSW036-360 specifications Astat, Comp, Dts, Hpws, Hwg, Wtr

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AL

Alarm Relay Contacts

ASTAT

Aquastat Device

COMP

Compressor

CCCompressor Contactor

DTS

Discharge Temperature Switch

FP1

Sensor, Source Low Temp Protection

FP2

Sensor, Load Low Temp Protection

HP

High Pressure Switch

HPWS

High Pressure Water Switch

HWG

Hot Water Generator

JW1

Jumper Wire for Alarm

LOC

Loss of Charge Pressure Switch

L-WTR

Load Water

NEC

National Electrical Code

P1

Field Wiring Terminal Block

RVS

Reversing Valve Solenoid

S-WTRSource Water

TRANS

Transformer

Factory Line Voltage Wiring

Factory Low Voltage Wiring

Field Line Voltage Wiring

Field Low Voltage Wiring

Printed Circuit Trace

Relay/Contactor Coil

Circuit Breaker

Solenoid Coil

High Pressure Switch

 

Thermistor

Low Pressure Switch

F

Fuse

Ground

 

Indicator Light

 

G=Green, R=Red

 

(Comp On) (Alarm Light)

 

NOTES:

1. Compressor thermally protected internally.

2. All wiring to the unit must comply with NEC and local codes.

3. Transformer is wired to 380 v lead (VIO) for 380-3-50 operation. For 420 v operation switch VIO and BRN leads at L1 and insulate VIO lead.

4. FP1 thermistor provides freeze protection for source water. When using anti- freeze solutions, cut JW3 jumper.

5. Check installation wiring information for controller hookup. Control wiring must be Class 1 and voltage rating equal to or greater than unit supply voltage.

6. Transformer secondary ground via Complete C board standoff and screws to control box. (Ground available from top 2 standoffs as shown.)

7. Aquastat is supplied with unit and must be wired in series with the hot leg of the pump. Aquastat is rated for voltages up to 277 v.

9

 

7

 

7

Complete C

 

 

Complete C

Complete C

Complete C

Fig. 5 — Typical Aquazone™ 50PSW120 Complete C Control Wiring, 3-Phase

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Contents Safety Considerations ContentsInstallation General50PSW Unit Physical Data Overall Cabinet Electric Access Plugs50PSW HWG Unit Size50PSW180,360 Unit Teflon* tape thread sealant is recommended to minimize Water Quality Guidelines Condition Closed Open Loop and Recirculating WellRECIRCULATING† Wire Electrical Connections 50PSW Electrical DataMIN/MAX RLA LRA QTY FLA FP2 FP1JW1 LEDComp AstatDTS HpwsCompressor Field Wiring Terminal Block Compressor Contactor Alarm Relay Contacts Motor SwitchHot Water Generator Field Line Voltage Wiring Jumper Wire for Alarm Field Low Voltage WiringTypical Aquazone 50PSW360 Deluxe D Control Wiring, 3-Phase PRE-START-UP Wire Low Voltage ConnectionsDeluxe D Control Jumper Settings See Fig Complete C Control Jumper Settings See FigDIP Switch Block S2 Accessory 1 Relay Options Accessory DIP Switch Position Relay OptionsSTART-UP DIP Switch Block S2 Accessory 2 Relay OptionsOperating Limits See Table Unit Start-UpUnit Size Heat Exchanger Pressure DropUnits with Aquazone Complete C Control OperationUnits with Aquazone Deluxe D Control System TestLED Status Description Alarm Relay Operation Complete C Control LED Code Fault DescriptionsLED Fault Description Code Aquazone Deluxe D Control LED IndicaService Description Status LED Test LEDESD Refrigerant Charging TroubleshootingFP1 and FP2 Thermistor Location Fault Heating Cooling Possible Cause Solution TroubleshootingCopyright 2010 Carrier Corporation II. START-UP 50PSW START-UP ChecklistDescription Heating Cooling Heating and Cooling Cycle AnalysisCLG HTG

50PSW036-360 specifications

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