Carrier Official Manual for 50PSH Heat Pump: Installation and Operation Guide

Page 14

 

 

 

 

 

 

 

 

 

 

 

LEGEND

 

 

 

 

 

 

AL

Alarm Relay Contacts

TRANS

 

Transformer

 

 

 

 

 

Solenoid Coil

ASTAT

Aquastat

UPS

 

Unit Performance Sentinel

 

 

 

 

 

Relay Contacts - N.C.

BR

Blower Relay

 

 

 

 

 

 

 

 

 

 

Factory Low Voltage Wiring

 

 

 

 

 

CB

Circuit Breaker

 

 

 

 

 

 

 

 

 

 

Factory Line Voltage Wiring

 

 

 

 

 

Relay Contacts - N.O.

CC

Compressor Contactor

 

 

 

 

 

 

 

 

 

 

Field Low Voltage Wiring

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CO

Condensate Overflow Sensor

 

 

 

 

 

 

 

 

 

 

Field Line Voltage Wiring

 

 

 

 

 

Capacitor

COMPR — Compressor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Printed Circuit Trace

 

 

 

 

 

 

DTS

Discharge Temp Switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Temperature Switch

 

 

 

 

 

 

 

 

 

 

Optional Wiring

 

 

 

 

 

FP1

Water Coil Freeze Protection Sensor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FP2

Air Coil Freeze Protection Sensor

 

 

 

 

 

 

 

 

 

 

Relay/Contactor Coil

 

 

 

 

 

Low Pressure Switch

HP

High-Pressure Switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HWG

Hot Water Generator

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High Pressure Switch

JW

Jumper Wire

 

 

 

 

 

 

 

 

 

 

Thermistor

 

 

 

 

 

 

LOC

Loss of Charge Pressure Switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Wire Nut

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MV

Motorized Valve

 

 

 

 

 

 

 

 

 

 

Condensate Pan

 

 

 

 

 

Splice Cap

NEC

National Electrical Code

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PSC

Permanent Split Capacitor

 

 

 

 

 

 

 

 

 

 

Circuit Breaker

 

 

G

 

LED

P1

Field Wiring Terminal Block

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RVS

Reversing Valve Solenoid

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Optional.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTES:

 

 

 

 

 

 

 

 

 

 

 

COMPLETE C CONTROLLER FAULT CODES

1. Compressor and blower motor thermally protected internally.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

DESCRIPTION OF OPERATION

LED

 

ALARM RELAY

3. 208/230 v transformer will be connected for 208 v operation. For

 

Normal Mode

ON

 

Open

230 v operation, disconnect RED lead at L1 and attach ORANGE

 

 

 

 

 

 

 

 

 

 

Cycle (Closed 5 Sec.

lead to L1. Insulate open end of RED lead. Transformer is energy

Normal Mode with UPS Warning

ON

 

 

Open 25 Sec.)

limiting or may have circuit breaker.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4. FP1 thermistor provides freeze protection for water. When using

Complete C is Non-Functional

OFF

 

Open

antifreeze solutions, cut JW3 jumper.

 

 

 

 

 

 

 

 

 

Fault Retry

Slow Flash

 

Open

5. Check installation wiring information for specific thermostat hookup.

 

 

 

 

 

 

 

 

 

 

Lockout

Fast Flash

 

Closed

Refer to thermostat installation instructions for wiring to the unit.

 

 

 

 

 

 

 

 

 

 

Open

Thermostat wiring must be “Class 1” and voltage rating equal to or

Over/Under Voltage Shutdown

Slow Flash

 

greater than unit supply voltage.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Closed After 15 Min.)

6. 24-v alarm signal shown. For dry alarm contact, cut JW1 jumper

 

Test Mode-No Fault in Memory

Flashing Code 1

 

Cycling Code 1

and dry contact will be available between AL1 and AL2.

 

 

 

 

 

 

 

 

 

Test Mode-HP Fault in Memory

Flashing Code 2

 

Cycling Code 2

7. Transformer secondary ground via Complete C board standoffs and

 

 

 

Test Mode-LP Fault in Memory

Flashing Code 3

 

Cycling Code 3

screws to control box. (Ground available from top two standoffs as

 

 

shown.)

 

 

 

 

 

 

 

 

 

 

Test Mode-FP1 Fault in Memory

Flashing Code 4

 

Cycling Code 4

8. Aquastat is supplied with unit and must be wired in series with the

 

Test Mode-FP2 Fault in Memory

Flashing Code 5

 

Cycling Code 5

hot leg to the pump. Aquastat is rated for voltage up to 277 v.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Test Mode-CO Fault in Memory

Flashing Code 6

 

Cycling Code 6

9. Fan motors factory wired for medium speed. For high and low speed

 

 

 

Test Mode-Over/Under Shutdown

 

 

 

 

 

 

remove BLU wire from fan motor speed tap ‘M’ and connect to ‘H’

Flashing Code 7

 

Cycling Code 7

for high or ‘L’ for low.

 

 

 

 

 

 

 

 

 

in Memory

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Test Mode-UPS in Memory

Flashing Code 8

 

Cycling Code 8

 

 

 

 

 

 

 

 

 

 

 

Swapped FP1/FP2 Lockout

Flashing Code 9

 

Cycling Code 9

Fig. 15 — Units with Complete C Controller, Single-Phase

14

Image 14
Contents Installation, Start-Up, Service Instructions ContentsGeneral Safety ConsiderationsInstallation Physical Data 50PSH, PSV, PSD018-070 Units Typical Installation 50PSH Unit CAP ASPBSP Code Return Discharge CSP50PSV Dimensional Data A50-7846ef HWR Hot Water Reheat Left Hand Right HandSide Discharge Back DischargeInstall Condensate Drain Mount the UnitTrap Condensate Drain Connection Material Water Quality GuidelinesOpen Loop and Recirculating Well Typical Ground-Water Piping Installation Metal Hose Minimum Bend RadiiWire Field Power Supply Supply/Return Hose KitTrans Complete C Controller Fault CodesDescription of Operation LED Alarm Relay AstatCompr Wire NumberBMC Yellow REDECM LWTA50-8363 Units with ECM, Complete C and LON Controller 460A50-8364 Units with ECM, Deluxe D and LON Controller 460Mves SATHpws WHSP-OPEN A50 83548356 LWT A50-8380 Wshp Open Control50PSH, PSV, PSD Electrical Data PSC Motor 50PSH, PSV, PSD Electrical Data PSC High-Static Motor50PSH, PSV, PSD Electrical Data, ECM Motor Wire Field Controls Low Voltage Field WiringA50-8442 Rnet Wiring SpecificationsA50-8441 Field-Supplied Sensors for Wshp Open ControllerOperate ECM Interface Board Rnet WiringWire Terminal A50-8443Setting Size ECM Blower Motor Performance DataCoil Units with Reheat ESP Loss Face Velocity Rated MIN FANUnit Airflow CFM Speed Size FPMPRE-START-UP Complete C Control Jumper SettingsDeluxe D Control Jumper Settings Field Selectable InputsHumidistat/Dehumidistat Logic Deluxe D DIP Switch Settings DIP Switch Block S2 Accessory 1 Relay OptionsDIP Switch Block S2 Accessory 2 Relay Options VACHWR Operating Modes A50-8145Operating Limits Unit Start-Up Cooling ModeSTART-UP Operating Limits 50PSH, PSV, PSD UnitsCooling Heating Water Flow Rate GPM Rise F Drop F Unit Start-Up Heating ModeWater Temperature Change Through Heat Exchanger Water Flow TempGPM/ton Pressure Heat Cooling Rise Drop Psig Flow Flow Unit Start-Up with Wshp Open Controls BACview6 Display InterfaceUnit Size 50PSH, PSV, PSD Water Water Temperature F Flow50PSH, PSV, PSD Coaxial Water Pressure Drop GPMOperation Approximate Fluid Volume gal Per 100 Ft of PipeAntifreeze Percentages by Volume Units with Aquazone Complete C ControlUnits with HWR Option Units with Wshp Open Multiple ProtocolPage Page Off LED Status Description of Operation Alarm RelayComplete C and Deluxe D Board System Test Aquazone Deluxe D Control LED Indica Complete C Control LED Code Fault DescriptionsLED Code Fault Description Description Status LED Test LEDService Air Coil Fan Motor Removal TroubleshootingRefrigerant Charging Replacing the Wshp Open Controller’s BatFP1 and FP2 Thermistor Location Page ECM Troubleshooting Fault Description SolutionECM Pin Connectors A50-8448ECM Troubleshooting Flow Diagram A50-8447Good Practices Wshp TroubleshootingFault Heating Cooling Possible Cause Solution TXVNo Fault Code Shown Condensate FaultCode 7 Auto Resetting CodeLow Suction Pressure Temperature in HeatingHigh Head Pressure Low Discharge AirAppendix a Wshp Open Screen Configuration Appendix a Wshp Open Screen Configuration Exception Set PointsWeekly Schedule Schedules 1Test Appendix a Wshp Screen Open ConfigurationService Screen Name Configuration ServicePoint Name Password Editable Range Default Level Alarm LinkagePage Page Copyright 2009 Carrier Corporation 50PSH,PSV,PSD START-UP Checklist II. START-UPA50-8494 Heating Cycle AnalysisCooling Cycle Analysis A50-8495