Friedrich WS10B10 - Manual

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 C 1 0 A 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...

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...

6 WARMER – Touch the button to raise the room air temperature. 7 Press both the and buttons at the same time to switch the temperature from Fahrenheit (°F) to Celsius (°C). Repeat Step 7 to switch from °C back to °F. To adjust fan speed 8 Touch the Fan Speed button to see the current setting. Touch ...

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 ...

Using the remote control To start unit 1 POWER - Press the Power button once. The unit will automatically start in the mode and fan speed it was last left on. To set mode of operation 2 COOL - Press the Cool button to automatically switch the operat- ing mode to COOL. 3 FAN ONLY - Press the Fan Only...

ElECTRONIC CONTROl PANEl ACTIVATING TEST MODE Activate Test Mode by pressing at the same time, the Mode button and the Temp/Hour button (see figures 4 and 5). The LEDs for Set/Hour: “Start Time” and “Stop Time” will blink 1 bps while Test Mode is active. Test Mode has a duration of 90 minutes. Test ...

ERROR CODEs lIsTING FOR “ws” MODEls E1 SHORT CYCLE SITUATION: Defined as a compressor that starts and stops more frequently than it should (more than 6 times per hour). 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 stu...

13 ElECTRONIC CONTROl OPERATION Heat Pump Models If the indoor ambient air themister reads 55 degrees or lower, the control will 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 compr...

Heating Element HEATING ELEMENT (“WE” &”WY” Models)All “WE” and “WY” models are equipped with a 3.3 KW heating element. The heating element has two heater limit switches (bimetal thermostats) connected in series with it. The Primary limit located near the bottom, will open the circuit when the t...

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...

• R-410A pressure is approximately 60% higher than R-22 pressure. • R-410A cylinders must not be allowed to exceed 125 F, they may leak or rupture. • R-410A must never be pressurized with a mixture of air, it may become flammable. • Servicing equipment and components must be specifically designed fo...

Proper refrigerant charge is essential to proper unit operation. Operating a unit with an improper refrigerant charge will result in reduced performance (capacity) and/or efficiency. Accordingly, the use of proper charging methods during servicing will insure that the unit is functioning as designed...

18 3. Install a process tube to sealed system. 4. Make necessary repairs to system. 5. Evacuate system to 200 microns or less. 6. Weigh in refrigerant with the property quantity of R-410A refrigerant. 7. Start unit, and verify performance. 8. Crimp the process tube and solder the end shut. Proper sa...

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. COILS AND BASE PAN The indoor coil (evaporator coil), the outdoor coil (condenser coil)...

SLEEVE / DRAIN Inspect the sleeve and drain system periodically (at least yearly or bi-yearly) and clean of all obstructions and debris. Clean both areas with an antibacterial and antifungal cleaner. Rinse both items thoroughly with water and ensure that the drain outlets are operating correctly. Ch...

ROOM AIR CONDITIONER UNIT PERFORMANCE TEsT DATA sHEET DATE: _______________ MODEL:_______________ SERIAL:________________ YES NO IS THERE A FRIEDRICH SLEEVE INSTALLED? ____ ____ IS THERE A FRIEDRICH OUTDOOR GRILL INSTALLED? ____ ____ IS MAINTENANCE BEING PERFORMED? ____ ____ If NO is checked use bac...

Problem Possible Cause Possible Solution Unit does not operate. The unit is turned to the off position, Turn the unit to the on position and raise or lower temperature setting (as appropriate) to call for operation. The LCDI power cord is unplugged. Plug into a properly grounded 3 prong receptacle. ...

34 COOlING ONlY ROOM AIR CONDITIONERs: TROUBlEsHOOTING TIPs 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 Temperature not set cold enough or room air thermistor inoperative Set temper...

36 COOlING ONlY ROOM AIR CONDITIONERs: TROUBlEsHOOTING TIPs Possible Action e s u a C e l b i s s o P m e l b o r P Water “spitting” into room Sublimation:When unconditioned saturated,outside air mixes with conditioned air, condensation forms on the cooler surfaces Ensure that foam gaskets are insta...

37 HEAT/COOl ONlY ROOM AIR CONDITIONERs: TROUBlEsHOOTING TIPs Possible Solution Possible Solution Possible Solution e s u a C e l b i s s o P m e l b o r P Room temperature uneven (Heating cycle) Bad indoor ambient thermistor Check error codes. Replace if needed. Close doors, windows, etc. Opened do...

38 HEAT PUMP TROUBlEsHOOTING Possible Solution Possible Solution e s u a C e l b i s s o P m e l b o r P Unit cools when heat is called for Incorrect wiring Refer to applicable wiring diagram Defective solenoid coil Check for continuity of coil Reversing valve fails to shift Block condenser coil &am...

REFRIGERANT SYSTEM DIAGNOSIS COOLING REFRIGERANT SYSTEM DIAGNOSIS HEATING Low Load Conditions High Load Conditions Low Load Conditions High Load Conditions Low Air Flow Across High Air Flow Across Refrigerant System Low Air Flow Across Indoor Coil Indoor Coil Restriction Outdoor Coil Refrigerant Sys...

HEAT PUMP SYSTEM COOLS WHEN HEATING IS DESIRED. Is Line Voltage Present at the Solenoid Valve? Is the Selector Switch Set for Heat? NO YES Is the Solenoid Coil Good? Replace the Solenoid Coil NO YES Reversing Valve Stuck Replace the Reversing Valve ElECTRICAl TROUBlEsHOOTING CHART - HEAT PUMP ELECTR...

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...

Installation Accessories 45 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, ...

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

FIGURE 2 BACK UNIT REST LEVEL FRONT UNIT REST RAISED LEDGE INSTALLATION REQUIREMENTS: STEP 1 The “WSD” 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 “WSD” SLEEVE must extend a minimum of 7/8” beyond the INSIDE WA...

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 the...

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 IN...

MECHANICAL HAZARD WARNING Be careful with the sharp edges and corners. Wear protective clothing and gloves, etc. Failure to do so could result in serious injury. CUT/SEVER HAZARD EXCESSIVE WEIGHT HAZARD WARNING Use two people to lift or carry the unit, and wear proper protective clothing. Failure to...

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 ...

FRIEDRICH AIR CONDITIONING CO. Post Office Box 1540 · San Antonio, Texas 78295-1540 4200 N. Pan Am Expressway · San Antonio, Texas 78218-5212 (210) 357-4400 · 877-599-5665 x 846 · FAX (210) 357-4490 Email: [email protected] www.friedrich.com Printed in the U.S.A. TECHNICAL SUPPORT CONTACT INFORMATIO...