Power
Models
WallMaster Thru-the-Wall
TECHNICAL SUPPORT CONTACT INFORMATION
FRIEDRICH AIR CONDITIONING CO
Post Office Box 1540 · San Antonio, Texas
4200 N. Pan Am Expressway · San Antonio, Texas
Table Of Contents
PERSONAL INJURY OR DEATH HAZARDS
IMPORTANT SAFETY INFORMATION
ELECTRICAL HAZARDS
REFRIGERATION SYSTEM HAZARDS
MECHANICAL HAZARDS
INTRODUCTION
PROPERTY DAMAGE HAZARDS
FIRE DAMAGE HAZARDS
WATER DAMAGE HAZARDS
FRIEDRICH wallmaster MODEL NUMBER CODE
SERIAL NUMBER IDENTIFICATION GUIDE
W S 08 B 1 0 B
00001
Specifications
Sleeve / Chassis Dimensions
2008 / 2009 PERFORMANCE DATA
ENERGYSTAR models
Plug/Outlet/Circuit Rating
electrical DATA
HACR Heating Air Conditioning and Refrigeration
FUNCTIONAL COMPONENTS
A. Mechanical components
B. Electrical components
C. Hermetic components
How to operate the Friedrich WallMaster
To adjust temperature
To adjust fan speed
To start unit
To Activate Money Saver WY/WE models
To set the timer
Automatic component protection
Using the remote control
To adjust temperature
To adjust fan speed
To set the timer
ERROR CODE MODE
TESTING THE ELECTRONIC CONTROL
ELECTRONIC CONTROL PANEL
Figure 5 “WS” Cooling only models
ERROR CODES LISTING FOR “WE/WY” MODELS
ERROR CODES LISTING FOR “WS” MODELS
REBOOT THE CONTROL PANEL
SYSTEM CONTROL SWITCH - TEST
Figure 8 System Control Switch
Figure 7 System Control Panel
Heat Pump & Electric Heat Models
COMPONENTS TESTING
ELECTRONIC CONTROL OPERATION
Heat Pump w/back up Electric Heat
THERMOSTAT
CAPACITORS
DEFROST THERMOSTAT
DEFROST BULB LOCATION
Capacitor Check with Capacitor Analyzer
HEATING ELEMENT
DRAIN PAN VALVE
Figure 12 Heating Element
Drain Pan Valve
REFRIGERATION SYSTEM SEQUENCE OF OPERATION
SEALED REFRIGERATION SYSTEM REPAIRS
Refrigerant Charging
Method Of Charging / Repairs
BURN HAZARD
FREEZE HAZARD
BURN HAZARD
Undercharged Refrigerant Systems
Overcharged Refrigerant Systems
Restricted Refrigerant System
HERMETIC COMPONENTS CHECK
METERING DEVICE
CHECK VALVE
Capillary Tube Systems
REVERSING VALVE DESCRIPTION/OPERATION
ELECTRIC SHOCK HAZARD
TESTING THE COIL
CHECKING THE REVERSING VALVE
ELECTRIC SHOCK HAZARD
HIGH PRESSURE HAZARD
Procedure For Changing Reversing Valve
Touch Test in Heating/Cooling Cycle
BURN HAZARD
HIGH PRESSURE HAZARD
Single Phase Connections
Single Phase Running and L.R.A. Test
COMPRESSOR CHECKS
Locked Rotor Voltage L.R.V. Test
Single Phase Resistance Test
ELECTRIC SHOCK HAZARD
GROUND TEST
CHECKING COMPRESSOR EFFICIENCY
COMPRESSOR REPLACEMENT
Recommended procedure for compressor replacement
HIGH PRESSURE HAZARD
ELECTRIC SHOCK HAZARD
EXPLOSION HAZARD
ROUTINE MAINTENANCE
EXCESSIVE WEIGHT HAZARD
BLOWER WHEEL / HOUSING / CONDENSER FAN / SHROUD
ELECTRIC SHOCK HAZARD
SLEEVE / DRAIN
ROUTINE MAINTENANCE Continued
FRONT COVER
Problem
Problem
Problem
Possible Cause
Replace fuse, reset breaker. If repeats, check
Overload inoperative. Opens too
Sublimation
HEAT PUMP TROUBLESHOOTING
HEAT PUMP TROUBLESHOOTING
Incorrect wiring
POSSIBLE CAUSES
CORRECTIONS
TEMPERATURE OF VALVE BODY
WARMER THAN VALVE BODY
WALLMASTER WIRING DIAGRAM ELECTRONIC CONTROL
COOL ONLY MODELS
WS08B10A-D,A-F WS10BIOA-D WS14B10A-D
WS14B10A-E WS10B30A-D
WE10B33C-A WE13B33C-A WE16B33C-A
COOL WITH ELECTRIC HEAT MODELS
WALLMASTER WIRING DIAGRAM ELECTRONIC CONTROL
WY10B33C-A WY13B33C-A
HEAT PUMP WITH ELECTRIC HEAT MODELS
WALLMASTER WIRING DIAGRAM ELECTRONIC CONTROL
WALLMASTER WIRING DIAGRAM
ELECTROMECHANICAL CONTROL
WE10B33A-C WE13B33B-D,B-E WE16B33A-C,A-D
COOL WITH ELECTRIC HEAT MODELS
WY10B33A-C,A-D WY13B33A-C,A-D
WALLMASTER WIRING DIAGRAM
ELECTROMECHANICAL CONTROL
HEAT PUMP WITH ELECTRIC HEAT MODELS
Installation Accessories
Exterior Grilles
DK / Drain Kit
SB / Sub Base
WALL PREPARATION
MOUNTING HARDWARE PROVIDED
INSTALLATION INSTRUCTIONS FOR “WSC” SLEEVE
INSTALLATION REQUIREMENTS
SLEEVE INSTALLATION
MECHANICALCUT/SEVER HAHAZARD CUT/SEVER
STEP STEP 3 STEP
MECHANICALCUT/SEVER HAZARD
SEALING GASKET INSTALLATION INSTRUCTIONS
SIDE PROFILE OF WALL SLEEVE
FIGURE A
FIGURE B
MECHANICAL HAZARD MECHANICALCUT/SEVER HAZARD
EXCESSIVE WEIGHT HAZARD
MECHANICALCUT/SEVER HAZARD
MECHANICALCUT/SEVER HAZARD
MECHANICALCUT/SEVER HAZARD
MECHANICALCUT/SEVER HAZARD
FIRST YEAR
SECOND THROUGH FIFTH YEAR
LIMITED WARRANTY
WALLMASTER→ THRU-THE-WALLAIR CONDITIONERS
Page
TECHNICAL SUPPORT CONTACT INFORMATION
FRIEDRICH AIR CONDITIONING CO
Post Office Box 1540 · San Antonio, Texas
4200 N. Pan Am Expressway · San Antonio, Texas
FRIEDRICH AIR CONDITIONING CO
Post Office Box 1540 · San Antonio, Texas