Instruction/ maintenance manual of the product WS10B10 Friedrich
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WM-Ser vMan (4-10) W allMaster ® R-410A Models 2010 Service Manual 115-V olt: WS08C10A, WS10C10A, WS12C10A 230-V olt: WS10C30A, WS13C30A, WS15C30A Cool Only 115-V olt: WE10C33A, WE13C33A, WE15C33A Cool with Electric Heat 230-V olt: WY09C33A, WY12C33A Heat Pump with Electric Heat Back Up Wa l l M a s t e r Mone y Fa n Timer O perati on Set Hr .
T able Of Contents Important Safety Information ....................................................................................................................2-4 Introduction ......................................................................
IMPORT ANT SAFETY INFORMA TION The information contained in this manual is intended for use by a qualied service technician who is familiar with the safety procedures required for installation and repair , and who is equipped with the proper tools and test instruments required to service this product.
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.
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 specied amperage rating. • Connect to a properly grounded outlet only .
5 FRIEDRICH WALLMASTER MODE L NUMBE R CODE W S 08 C 1 0 A 1st DIGIT - FUNCTION W = Thru-The-W all, W allMaster Series 2nd DIGIT - TYPE S = Straight Cool E = Electric Heat Y = Heat Pump 3rd & 4th D.
6 201 0 PERFORMA NCE D A T A Sleev e / Chassis D imension s 27" Sleeve Height (inches) 16 3/4 16 3/4 16 3/4 Width (inches ) 2 7 2 7 2 7 Depth (inches) 16 3/4 16 3/4 16 3/4 Friedrich WSC Sleeve Fedders A Sleeve Fedders B Sleeve* Sleeve Dimensions Widt h M ax.
7 Wire Size Use ON L Y wiring size rec ommende d for single outlet br anch circ uit. F use/Circuit B reaker Use ON L Y the corr ect HACR type and size fuse/circuit breaker . Read electr ical rating s on unit ’ s r ating plate. Proper circuit pr otection is t he responsibiit y of the ho meowner .
6 WA RMER – T ouch t he bu tt on t o r ais e the room a ir t emperature . 7 P ress b oth the and bu tt ons a t the same t ime to switch the temperature from F ahrenheit ( °F) to C elsius ( °C ). R epeat Step 7 to switch from °C back to ° F. To a dj us t f a n s p ee d 8 T ouch t he Fan S peed b ut ton to see t he c ur re nt s et ting.
To s e t t h e t i m e r NOTE : Se t the HOUR C LO CK ( Set Hour ) before a tt empt ing to s et timer f uncti ons. Yo u ca n set the Star t Time and Stop T im e a m inimum of one hour apa rt , and a m ax imum o f 23 hou rs apa rt . 11 Af ter se tt ing the time , press the Set Hour b ut ton on ce ( Star t ligh t on ).
Usin g th e r em ot e c o n tr ol To s ta rt u n i t 1 PO WE R - P ress t he Powe r b ut t on on ce . T he un i t w ill automatic ally star t in th e mod e an d fan s pe ed it w as l ast l eft on. To s e t m o d e o f o p e r at io n 2 CO OL - P ress t he Coo l b ut ton to automatic a lly s wit ch the operat - ing mo de to CO OL .
ELECTR ONIC CONTROL P ANEL ACTIV A TING TEST MODE Act ivate T est Mode b y p r e s s i n g a t t h e s a m e t i m e , t h e Mode button a nd the T emp /Hour button ( see gures 4 and 5). The LEDs for Set /Hour: “ S t a r t T i m e ” and “Stop Time” wi l l blink 1 bps while T e st Mod e is active.
ERR OR CODES LISTING FOR “WS” MODELS E 1 SHO RT CY CLE SIT U A TI ON: De n ed as a co mp r es so r th at sta r ts an d st op s mor e fre qu en tly th an it s hou ld ( mo re th a n 6 ti m es pe r h our ).
13 ELECTR ONIC CONTROL OPERA TION Heat Pump Models If the i ndoor ambie nt air t hemister reads 5 5 d egrees or lower , the co ntrol will turn of f the c ompres sor and turn on th e elec tric heat a nd co ntinue fan operati on until temp sett ing i s s atised.
Hea ti ng El emen t HEA TING ELEMENT (“ WE” &”WY ” Mo de ls) All “WE” and “WY” m ode ls ar e eq uip ped wi th a 3.3 KW hea t ing ele me nt. The heating element has two heater limit switches (bimetal thermostats) connected in series with it.
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.
• 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.
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 efciency . Accordingly , the use of proper charging methods during servicing will insure that the unit is functioning as designed and that its compressor will not be damaged.
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.
Underchar ged R efrigerant 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.
R estricted Refrigerant System T roubleshooting a restricted refrigerant system can be difcult. 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.
METERING DEVICE Capillar y T ube 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 the cooling capillary are not restricted.
NOTE: System operating pressures must be near normal before valve can shift . REVERSING V AL VE DESCRIPTION/OPERA TION The Reversing V alve controls the direction of refrigerant ow to the indoor and outdoor coils. It consists of a pressure- operated, main valve and a pilot valve actuated by a solenoid plunger .
Reversing V alve 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. T urn off high voltage electrical power to unit.
8. Pressurize sealed system with a combination of R-22 and nitrogen and check for leaks, using a suitable leak detector . Recover refrigerant per EP A 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 and type of refrigerant as shown on rating plate.
Lock ed Rotor V olta ge (L.R.V .) T est 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.
Single Phase Resistance T est Remove the leads from the compressor terminals and set the ohmmeter on the lowest scale (R x 1). T ouch 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”).
R ecommended pr ocedure for compr essor 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.
1. 2. 3. 4. 5. ELECTRIC SHOCK HAZARD W ARNING T urn off electric power before service or installation. Failure to do so may result in personal injury , or death. S e al ed R e f ri ge r a t io n S y s te m c o n t ai ns r e f ri ge r a n t and oil under high pressure.
R OUTINE MAINTENANCE AIR FIL TER Clean the unit air intake lter at least every 300 to 350 hours of operation. Clean the lters with a mild detergent in warm water and allow to dry thoroughly before reinstalling.
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 .
ROOM AIR CONDITIONER UNIT PERFORMANCE TEST D A T A SHEET DA TE: _______________ MODEL:_______________ SERIAL:________________ YES NO IS THERE A FRIEDRICH SLEEVE INST ALLED? ____ ____ IS THERE A FRIEDR.
Problem Possible Cause Possible Solution Unit does not operate. The unit is turned to the off position, T urn 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.
33 Problem Possible Cause Possible Solution Unit Does Not Cool/Heat On And Off T oo Frequently (continued). The outside temperature is below 60° F (16° C). Do not try to operate your air conditioner in the cooling mode when the outside temperature is below 60° F (16° C).
34 COOLING ONL Y ROOM AIR CONDITIONERS: TROUBLESHOO TING TIPS e s u a C e l b i s s o P m e l b o r P Compressor does not run Low voltage Check voltage at compressor . 1 15V & 230V units will operate at 10% voltage variance Temperature not set cold enough or room air thermistor inoperative Set temperature to lower than ambient temperature.
35 COOLING ONL Y ROOM AIR CONDITIONERS: TROUBLESHOO TING TIPS e s u a C e l b i s s o P m e l b o r P Compressor runs for short periods only . Cycles on overload Overload inoperative.
36 COOLING ONL Y ROOM AIR CONDITIONERS: TROUBLESHOO TING TIPS Possible Action e s u a C e l b i s s o P m e l b o r P W ater “spitting” into room Sublimation: When unconditioned saturated, outside.
37 HEA T/COOL ONL Y ROOM AIR CONDITIONERS: TROUBLESHOO TING 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.
38 HEA T PUMP TROUBLESHOO TING 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 & switch unit to cooling.
REFRIGERANT SYSTEM DIAGNOSIS COOLING REFRIGERANT SYSTEM DIAGNOSIS HEA TING Low Load Conditions High Load Conditions Low Load Conditions High Load Conditions Low Air Flow Across High Air Flow Across Re.
HEA T PUMP SYSTEM COOLS WHEN HEA TING IS DESIRED. Is Line V oltage Present at the Solenoid V alve? Is the Selector Switch Set for Heat? NO YES Is the Solenoid Coil Good? Replace the Solenoid Coil NO Y.
DISCHARGE TUBE SUCTION TUBE to T ube to OUTSIDE from Compressor T ube to INSIDE Capillary T ube Capillary T ube Compressor RIGHT Pilot LEFT Pilot COIL COIL 14 NORMAL FUNCTION OF V AL VE V AL VE OPERA .
WALLMASTER WIRING DIA GRAM ELECTR ONIC CONTROL COOL ONL Y MODELS 42.
WALLMASTER WIRING DIA GRAM ELECTR ONIC CONTROL COOL WITH ELECTRIC HEA T MODELS 43.
WALLMASTER WIRING DIA GRAM ELECTR ONIC CONTROL HEA T PUMP WITH ELECTRIC HEA T MODELS 44.
Installa tion Accessories 45 DK / Drain Ki t In st alle d at the ba ck of the unit and allows for at tachme nt to pe rmanen t co ndensa te disp os al sy st em, if disp os al is ne ce ssar y or desi re d.
FIGURE 1 MINIMUM OF 24” REQUIRED FROM TOP OF UNIT TO CEILING. INSIDE W ALL MINIMUM OF 1” SP ACING REQUIRED ON ALL SIDES OF LINTELS WSD SLEEVE DRAIN EXTENSION THE UNIT .
FIGURE 2 BACK UNIT REST LEVEL FRONT UNIT REST RAISED LEDGE INST ALLA TION REQUIREMENTS: STEP 1 The “WSD” SLEEVE should be positioned so that the DRAIN EXTENSION extends a minimum of 9/16” beyond the OUTSIDE W ALL (See Figure 1). STEP 2 The “WSD” SLEEVE must extend a minimum of 7/8” beyond the INSIDE W ALL.
MECHANICAL HAZARD W ARNING Be careful with the sharp edges and corners. Wear protective clothing and gloves, etc. Failure to do so could result in serious injury .
FIGURE A AIR DISCHARGE PLENUM FIGURE B SIDE PROFILE OF W ALL 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 bottom front (see fi g.
INST ALLA TION INSTRUCTIONS FOR INTERNAL DRAIN KIT (IDK) Apply Sealer to the bottom of the Drain Plate Drill a .625” diameter hole here Dimple W all 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.
MECHANICAL HAZARD W ARNING 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 W ARNING Use two people to lift or carry the unit, and wear proper protective clothing.
52 D D 52 MECHANICAL HAZARD W ARNING Be careful with the sharp edges and corners. Wear protective clothing and gloves, etc. Failure to do so could result in serious injury .
53 D D D 53 MECHANICAL HAZARD W ARNING Be careful with the sharp edges and corners. Wear protective clothing and gloves, etc. Failure to do so could result in serious injury .
54 54 MECHANICAL HAZARD W ARNING Be careful with the sharp edges and corners. Wear protective clothing and gloves, etc. Failure to do so could result in serious injury .
55 Friedrich Air Conditioning Company P.O. Box 1540 San Antonio, TX 78295 210.357.4400 www.fri edrich.com WALLMASTER £ THRU-THE-WALL AIR CONDITIONERS LIMITED WARRANTY FIRST YEAR A NY PART: If any par.
FRIEDRICH AIR CONDITIONING CO . Post Ofce Box 1540 · San Antonio, T exas 78295-1540 4200 N. Pan Am Expressway · San Antonio, T exas 78218-5212 (210) 357-4400 · 877-599-5665 x 846 · F AX (210) 357-4490 Email: tac@friedrich.com www .friedrich.com Printed in the U.
NO TES.
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FRIEDRICH AIR CONDITIONING CO . Post Ofce Box 1540 · San Antonio, T exas 78295-1540 4200 N. Pan Am Expressway · San Antonio, T exas 78218-5212 (210) 357-4400 · F AX (210) 357-4490 www .
An important point after buying a device Friedrich WS10B10 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Friedrich WS10B10 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Friedrich WS10B10 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Friedrich WS10B10 you will learn all the available features of the product, as well as information on its operation. The information that you get Friedrich WS10B10 will certainly help you make a decision on the purchase.
If you already are a holder of Friedrich WS10B10, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Friedrich WS10B10.
However, one of the most important roles played by the user manual is to help in solving problems with Friedrich WS10B10. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Friedrich WS10B10 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
