Friedrich 2008 - Manual

Do not spray or pour water on the return air grille, discharge air grille, evaporator coil, control panel, • and sleeve on the room side of the air conditioning unit while cleaning. Electrical component malfunction caused by water could result in electric shock or other electrically • unsafe conditi...

PROPERTY DAMAGE HAZARDS FIRE DAMAGE HAZARDS: Read the Installation/Operation Manual for this air conditioning unit prior to operating. • Use air conditioner on a single dedicated circuit within the specified amperage rating. • Connect to a properly grounded outlet only. • Do not remove ground prong ...

5 FRIEDRICH wAllMASTER MODEl NUMBER CODE W S 08 B 1 0 B 1st DIGIT - FUNCTION W = Thru-The-Wall, WallMaster Series 2nd DIGIT - TYPE S = Straight Cool E = Electric Heat Y = Heat Pump 3rd & 4th DIGITS - APPROXIMATE BTU/HR (Cooling) Heating BTU/HR capacity listed in Specifications/Performance Data S...

6 2008 / 2009 PERFORMANCE DATA * Rating Conditions: 80 degrees F, room air temp. & 50% relative humidity, with 95 degree F, outside air temp & 40% relative humidity Model Height Width Depth Depth with Front Minimum Extension Into Room Minimum Extension Outside Thru-the-wall Finished Hole Hei...

7 Wire Size Use ONLY wiring size recommended for single outlet branch circuit. Fuse/Circuit Breaker Use ONLY the correct HACR type and size fuse/circuit breaker. Read electrical ratings on unit’s rating plate. Proper circuit protection is the responsibiity of the homeowner. Grounding Unit MUST be gr...

FUNCTIONAL COMPONENTS A. Mechanical components Drain pan valve Temperature-sensitive valve that opens up to drain off condensate water when the outside temperature falls below 40°F and closes when the outside temperature reaches 60°FPlenum assemblyy Diffuser with directional louvers used to direct t...

How to operate the Friedrich WallMaster Figure 1: WS Model cool-only control panel Figure 2: WY/WE Model heat-cool control panel 1 Power 2 3 4 8 Cool Fan Smart 9 Fan Only 6 Mode Speed Fan Heat 7 Clock 5 Timer Set Money Start Time 14 On/Off Saver Stop Time 13 Temp/Hour 10 11 12 To start unit , el c a...

To set the timer NOTE: Set the HOUR CLOCK ( Set Hour ) before attempting to set timer functions. You can set the Start Time and Stop Time a minimum of one hour apart, and a maximum of 23 hours apart. 11 After setting the time, press the Set Hour button once (Start light on). Use the and e h t t a h ...

Figure 3: WY/WE heat-cool model remote control Additional RC1 wireless remote controls can be purchased from your Friedrich dealer. Figure 4: WS Models Only Additional RC1 wireless remote controls can be purchased from your Friedrich dealer. Using the remote control To start unit 1 POWER - Press the...

ElECTRONIC CONTROl PANEl CHECKING ROOM TEMPERATURE 1. Check the room temperature at the electronic control pad by pressing at the same time, the Fan Speed button and the Temp/Hour button on the WS/WE/ WY models (see figures 5 and 6). 2. The indoor temperature will display for 10 seconds. Indoor temp...

ERROR CODES lISTING FOR “wS” MODElS E1 SHORT CYCLE SITUATION: Defined as a compressor that starts and stops more frequently than it should. E2 KEYBOARD STUCK ERROR: If any key button is stuck or pressed for 20 seconds or more, the unit considers it stuck. If a key is stuck it will be ignored until r...

Figure 8: System Control Switch (Heat Pump & Electric Heat Models) Fan Only Off Low Cool Low Heat Med Cool Med Heat High Heat High Cool MAX HEAT MAX COOL ! Allow 3 min. between restarts SYSTEM CONTROL SWITCH - TEST Disconnect leads from control switch. Turn control to position being tested (see ...

15 ElECTRONIC CONTROl OPERATION Heat Pump w/back up Electric Heat If the indoor ambient air themister reads 55 degrees, turn off the compressor and turn on the electric heat and continue fan operation until temp setting is satisfied. Then revert to standard heat pump operation. If the compressor is ...

16 CAPACITORS ELECTRIC SHOCK HAZARD WARNING Turn off electric power before servicing. Discharge capacitor with a 20,000 Ohm 2 Watt resistor before handling. Failure to do so may result in personal injury, or death. Many motor capacitors are internally fused. Shorting the terminals will blow the fuse...

17 DRAIN PAN VALVE During the cooling mode of operation, condensate which collects in the drain pan is picked up by the condenser fan blade and sprayed onto the condenser coil. This as - sists in cooling the refrigerant plus evaporating the water. During the heating mode of operation, it is necessar...

Suction Line Evaporator Coil Metering Device Refrigerant Strainer Discharge Line Condenser Coil Compressor Refrigerant Drier Liquid Line A good understanding of the basic operation of the refrigeration system is essential for the service technician. Without this understanding, accurate troubleshooti...

Refrigerant Charging NOTE: Because The WallMaster System Is A Sealed System, Service Process Tubes Will Have To Be Installed. First Install A Line Tap And Remove Refrigerant From System. Make Necessary Sealed System Repairs And Vacuum System. Crimp Process Tube Line And Solder End Shut. Do Not Leave...

3. Install a process tube to sealed system. 4. Make necessary repairs to system. 5. Evacuate system to 300 microns or less. 6. Weigh in refrigerant with the property quantity of R-22 refrigerant. 7. Start unit, and verify performance. 8. Crimp the process tube and solder the end shut. Proper safety ...

Undercharged Refrigerant Systems An undercharged system will result in poor performance (low pressures, etc.) in both the heating and cooling cycle. Whenever you service a unit with an undercharge of refrigerant, always suspect a leak. The leak must be repaired before charging the unit. To check for...

Restricted Refrigerant System Troubleshooting a restricted refrigerant system can be difficult. The following procedures are the more common problems and solutions to these problems. There are two types of refrigerant restrictions: Partial restrictions and complete restrictions. A partial restrictio...

METERING DEVICE Capillary Tube Systems All units are equipped with capillary tube metering devices. Checking for restricted capillary tubes. 1. Connect pressure gauges to unit. 2. Start the unit in the cooling mode. If after a few minutes of operation the pressures are normal, the check valve and th...

NOTE: System operating pressures must be near normal before valve can shift . REVERSING VAlVE DESCRIPTION/OPERATION The Reversing Valve controls the direction of refrigerant flow to the indoor and outdoor coils. It consists of a pressure-operated, main valve and a pilot valve actuated by a solenoid ...

Reversing Valve in Heating Mode TESTING THE COIl The solenoid coil is an electromagnetic type coil mounted on the reversing valve and is energized during the operation of the compressor in the heating cycle. 1. Turn off high voltage electrical power to unit. 2. Unplug line voltage lead from reversin...

8. Pressurize sealed system with a combination of R-22 and nitrogen and check for leaks, using a suitable leak detector. Recover refrigerant per EPA guidelines. 9. Once the sealed system is leak free, install solenoid coil on new valve and charge the sealed system by weighing in the proper amount an...

locked Rotor Voltage (l.R.V.) Test Locked rotor voltage (L.R.V.) is the actual voltage available at the compressor under a stalled condition. Single Phase Connections Disconnect power from unit. Using a voltmeter, attach one lead of the meter to the run “R” terminal on the compressor and the other l...

Single Phase Resistance Test Remove the leads from the compressor terminals and set the ohmmeter on the lowest scale (R x 1). Touch the leads of the ohmmeter from terminals common to start (“C” to “S”). Next, touch the leads of the ohmmeter from terminals common to run (“C” to “R”). Add values “C” t...

Recommended procedure for compressor replacement 1. Be certain to perform all necessary electrical and refrigeration tests to be sure the compressor is actually defective before replacing. 2. Recover all refrigerant from the system though the process tubes. PROPER HANDLING OF RECOVERED REFRIGERANT A...

ROUTINE MAINTENANCE AIR FILTER Clean the unit air intake filter at least every 300 to 350 hours of operation. Clean the filters with a mild detergent in warm water and allow to dry thoroughly before reinstalling. Units are to be inspected and serviced by qualified service personnel only. Use proper ...

Return Air Grille Decorative Front WSC Sleeve A B 12 3 4 5 6 C 3 5 6 7 M O D EL # W S 0 7A 10 B Airflow Rotate Discharge G rille 1" Diameter Plug 1” Diameter Plug SLEEVE / DRAIN Inspect the sleeve and drain system periodically (at least yearly or bi-yearly) and clean of all obstructions and debr...

33 COOlING ONlY ROOM AIR CONDITIONERS: TROUBlESHOOTING TIPS n o it c A e s u a C e l b i s s o P m e l b o r P Compressordoes not run Low voltage Check voltage at compressor. 115V & 230V units will operate at 10% voltage variance T-stat not set cold enough or inoperative Set t-stat to coldest po...

37 Problem Possible Cause Action Room temperature uneven (Heating cycle) Heat anticipator (resistor) shorted(on applicable models) Disconnect power to unit. Remove resistor from t-stat bulb block. Plus in unit & allow to operate. Feel resistor for heat. If not heat, replace resistor Wide differe...

DISCHARGE TUBE SUCTION TUBE to Tube to OUTSIDE from Compressor Tube to INSIDE Capillary T ube Capillary T ube Compressor RIGH T Pilot LEF T Pilot COI L COI L 14 NORMAL FUNCTION OF VALVE VALVE OPERATING DISCHARGE TUBE from Compressor SUCTION TUBE to Compressor Tube to INSIDE COIL Tube to OUTSIDE COIL...

DK / Drain Kit Installed at the back of the unit and allows for attachment to permanent condensate disposal system, if disposal is necessary or desired. SB / Sub Base Used as a base for the unit when it is desired to place the cord and receptacle within the installation, or simply as a base for the ...

FIGURE 1 MINIMUM OF 24” REQUIRED FROM TOP OF UNIT TO CEILING. INSIDE WALL MINIMUM OF 1” SPACING REQUIRED ON ALL SIDES OF LINTELS WSC SLEEVE DRAIN EXTENSION THE UNIT. 7/8” MINIMUM 1” MINIMUM 3 1/2” FOR SUBBASE 9/16” MINIMUM OUTSIDE WALL INSTALLATION INSTRUCTIONS FOR “WSC” SLEEVE MOUNTING HARDWARE PRO...

FIGURE 2 BACK UNIT REST LEVEL FRONT UNIT REST RAISED LEDGE INSTALLATION REQUIREMENTS: STEP 1 The “WSC” SLEEVE should be positioned so that the DRAIN EXTENSION extends a minimum of 9/16” beyond the OUTSIDE WALL (See Figure 1). STEP 2 The “WSC” SLEEVE must extend a minimum of 7/8” beyond the INSIDE WA...

49 FIGURE A AIR DISCHARGE PLENUM FIGURE B SIDE PROFILE OF WALL SLEEVE RAISED LEDGE GASKET FRONT UNIT REST Remove the black rubber gasket from the air discharge plenum of the air conditioner (see fi g. A). Look inside the wall sleeve and check to see if a black rubber gasket is already in place along ...

50 INSTALLATION INSTRUCTIONS FOR INTERNAL DRAIN KIT (IDK) Apply Sealer to the bottom of the Drain Plate Drill a .625” diameter hole here Dimple Wall Sleeve Sleeve Base 0.5” In from edge 4.75” From back of basepan Drill a .625” diameter hole in the bottom of the basepan 1. DRILL A .625” DIAMETER HOLE...

55 Friedrich Air Conditioning Company P.O. Box 1540 San Antonio, TX 78295 210.357.4400 www.friedrich.com WALLMASTER ® THRU-THE-WALL AIR CONDITIONERS LIMITED WARRANTY FIRST YEAR ANY PART: If any part supplied by FRIEDRICH fails because of a defect in workmanship or material within twelve months from ...