Friedrich PTAC Wiring Diagram, Troubleshooting and Installation Manual

Page 46

WIRING DIAGRAM

24VAC TB

5VDC

5VDC

5VDC

 

 

 

 

 

 

Thermistors

 

 

 

 

 

WH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BL

 

 

 

 

12VDC

RELAYCOMM

HR

 

HR

 

 

 

 

 

 

 

Indoor

Air

Outdoor

 

 

K103

 

K104

 

 

 

 

 

Logic Board

X8

 

 

X7

 

 

 

 

 

 

 

 

 

 

 

24VAC

 

 

 

 

 

CR

 

 

 

 

 

 

 

MainRelay

 

12VDC

 

 

12VAC

 

X6

HR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRAN

 

 

 

Board

 

Display

 

 

 

 

X5

 

 

208/230

 

 

 

HR

Control

 

 

 

 

 

265 VAC

 

 

 

Board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BK

 

FanIndoor

 

OFANN4

 

 

 

 

YL

 

 

 

 

 

 

 

 

 

 

 

 

IM

 

BL

 

 

 

 

 

 

 

WH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4V

 

N3

 

 

 

BN

RD

 

YV

PR

 

 

 

PR

 

 

 

 

 

CAP

 

Rev Solenoid

 

 

 

 

 

 

WH

BL

RD

BK

BK

BN

BK

BN

OM

BN WH

RD

GRD

GR

L2

WH L1

BK

BN

L1

RD

L1

L1

RD

CAP

L2TB

RD

BL

RD

BL

BN

BN

RD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WH

 

 

 

BL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WH

 

 

 

 

 

 

YL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAP

 

 

 

 

 

 

 

BK

 

 

 

 

 

 

 

 

BK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BK

L1TB

 

 

 

 

 

 

 

 

 

 

 

BN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BN

 

 

 

 

 

 

 

BK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HTR

HTR

Auto Reset

Limit

Fuse Link

COMPONENT ID

COMP = Compressor

CAP = Capacitor

HTR = Heater

TB = Terminal Block

OM = Outdoor Fan Motor

IM = Indoor Fan Motor

TRAN = Transformer

RELAY COMM = L.V. Relay Cable

CR = Compressor Relay

HR = Heater Relay

YV = Reversing Valve Solenoid

WIRE COLOR ID

BL = Blue

BN = Brown

BK = Black

RD = Red

WH = White

PR = Purple

YL = Yellow

GR = Green

44

Image 46
Contents Ptac R410A Models Technical Support Contact Information Table of Contents Important Safety Information Your safety and the safety of others are very importantPersonal Injury or Death Hazards Introduction Mechanical HazardsGeneral Product Features Digital Packaged Terminal Air Conditioners & Heat Pumps Component Identification Accessories Pxfta Unit Identification Chassis Specifications Cooling & Heating Performance PDE 265V Extended Cooling Performance Electric Heat Data Electrical Rating Tables Power Cord Information 230/208V Models onlyElectric Shock Hazard Electrical Wiring for 265 Volt Models To Chassis Junction Remote Control Thermostat Installation Desk Control Terminals Friedrich Digital Control Features Digital Temperature+*&-.4-*2+4 DIP Switch #$%&#*%&+,-*&./0#&1!0*$#Digital Control Diagnostics Malfunction Analysis Fan can’t run or the fan speed is too slowKeep the air tightness well. Try not to use the electic Supply voltage is abnormal Capacitor Check with Capacitor Analyzer Components TestingCapacitors Capacitor ConnectionsHeater Elements and Limit SWITCHES’ Specifications Drain PAN ValveRefrigeration Sequence of Operation Equipment Must be Capable 410A Sealed Refrigeration System RepairsEquipment Required Risk of Electric ShockBurn Hazard Method Of Charging / RepairsUndercharged Refrigerant Systems Freeze HazardOvercharged Refrigerant Systems Restricted Refrigerant SystemCheck Valve Hermetic Components CheckMetering Device Capillary Tube SystemsReversing Valve DESCRIPTION/OPERATION Testing the CoilChecking the Reversing Valve Touch Test in Heating/Cooling Cycle Procedure For Changing Reversing ValveFire Hazard Compressor Checks External Overload Single Phase Resistance TestGround Test Recommended procedure for compressor replacement Compressor ReplacementHigh Temperatures Routine Maintenance Electrical Shock HazardTroubleshooting Chart Cooling Troubleshooting Chart HeatingSystem Cools When Heating is Desired Electrical Troubleshooting Chart Heat PumpYES Electronic Control Board Electronic Control Board Wiring Diagram Component IDRT6 5558+131!8 Resistance Table for Air Indoor Temperature Sensor Temp Resistance Friedrich Packaged Terminal AIR Conditioners and Heat Pumps Ptac Exploded View Ptac Parts List PDE Models Ptac Parts List PDH Models Friedrich AIR Conditioning CO