Friedrich 2009 - 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 TYPICAL UNIT COMPONENTS Fresh Air Compressor Capillary Tube Liquid Filter Driers Reversing Valve Condenser Coil (some models) Discharge Air Front Cover System Switches Outdoor Grille Evaporator Coil Sleeve Return Air Grille/Filter Blower Wheel Blower Motor Condenser Fan Blade Basepan This service ...

6 Serial Number Decade Manufactured L=0 C=3 F=6 J=9 A=1 D=4 G=7 B=2 E=5 H=8 L H G R 00001 Production Run Number Year Manufactured A=1 D=4 G=7 K=0 B=2 E=5 H=8 C=3 F=6 J=9 Product Line R = RAC Month Manufactured A=Jan D=Apr G=Jul K=Oct B=Feb E=May H=Aug L=Nov C=Mar F=Jun J=Sept M=Dec 1st Digit – Funct...

The consumer- through the AHAM Room Air Conditioner Certification Program- can be certain that the AHAM Certification Seal accurately states the unit’s cooling and heating capacity rating, the amperes and the energy efficiency ratio. As an ENERGY STAR ® partner, Friedrich Air Conditioning Co. has de...

* Minimum extensions when mounted in a window. ** Minimum widths achieved using one side curtain assembly as opposed to both in a standard installation. † Sleeve P1 does not have thru-the-wall hole dimensions, as these units are fixed chassis and should not be installed thru-the-wall. NOTE: S,M and ...

ELECTrICAL dATA ELECTRIC SHOCK HAZARD WARNING Turn off electric power before service or installation. All electrical connections and wiring MUST be installed by a qualified electrician and conform to the National Electrical Code and all local codes which have jurisdiction.Failure to do so can result...

11 ELECTRICAL SHOCK HAZARD WARNING Make sure your electrical receptacle has the same configuration as your air conditioner’s plug. If different, consult a Licensed Electrician. Do not use plug adapters.Do not use an extension cord.Do not remove ground prong. Always plug into a grounded 3 prong outle...

12 A/C Stop Mode Temp Fan Timer O F / O C A/C Start Timer On/ Off 1- 4 Speed Smart Fan Check Filter Set Hour Power Cool Money Saver ® PM Fan Only Press to reset 13 DISPLAY 8 5 4 2 15 10 7 11 9 6 3 1 14 12 Figure 3 To start unit 1 If your air conditioner is installed and plugged into a proper re- h c...

13 * A Friedrich RC1 wireless remote control can be used to operate all QuietMaster ® Programmable models. Figure 4 To start unit 1 POWER - Press the Power button once. The unit will automatically turn on in the mode and fan speed it was last left on. To set mode of operation 2 COOL - Press the Cool...

14 To start unit si ti ,e lc a t p e c e r r e p o r p a ot ni d e g g ul p d n a d el la ts ni si r e n oi ti d n o c ri a r u o y fI ready to go. The first time the unit is started, the compressor will delay for three minutes. See Automatic Component Protection on the following page. 1 Touch the P...

15 To set the timer NOTE: You can set the START and STOP times a minimum of one hour apart, and a maximum of 23 hours apart. 9 TIMER START - Press Start .g ni lo o c r o f e m it tr a ts tn e rr u c e h t w ei v ot Continue pressing the Start button until you arrive at the start time you desire. The...

16 Allow 3 min. between restarts S P E E D Sleep Setting Low Cool Medium Cool High Cool Fan Only Off MIN MAX Money Saver ® Yes No Allow 3 min. between restarts Money Saver ® MAX COOL MAX HEAT Low Cool Med Cool High Cool Low Heat Med Heat High Heat Fan Only Off Yes No To start unit If your air condit...

EQ08 models Function Control The left knob is a six position control that allows you to select heat or cool in either low speed or high speed. Plus you can select fan only if you wish. Function Control The right hand knob is the thermostat - turn it clockwise for cooler, counter-clockwise for warmer...

Activating Error Code Mode: (Submode of Test Mode) Unit must be in Test Mode to enter Error Code Mode 1. Activate Error Code Mode by pressing the “TIMER ON/ OFF” button on XQ models. LED for the “TIMER ON/ OFF” will flash 1 bps while Error Code Mode is active. Pressing the “TEMP/HR ” button will dis...

(Heat Pump & Electric Heat Models) An e ight position control switch i s used t o regulate the operation of t he fan motor and compresso r. The compresso r can b e operated with the fan operating at l ow, medium or high speed in the cooling or heating mode. The fan motor can also be operated ind...

20 MECHANICAL COMPONENTSBellows condensate 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 58°F. Vent door Allows introduction of fresh air into the room and/or exhausts stale ...

COMPONENTS TESTING 21 TEST: 1. Remove leads from thermostat.2. Tur n ther most at knob c l ock w ise to its c o ldest position. 3. Test for continuity between the two terminals. Contacts should be closed. 4. Turn thermostat knob counterclockwise to its warmest position. 5. Test for continuity - cont...

23 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...

HEATING ELEMENT (See Figure 25) All heat pumps and electric heat models are equipped with a heating element with the exception of models starting with YS09. The “YS” and “ES” models are equipped with a 3.3 KW element. The “YM” and “EM” models are equipped with a 4.0 KW element. The “YL” and “EL” mod...

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 RAC 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 A Serv...

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-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...

37 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 REFRIGERAN...

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 ...

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...

COOLING ONLY rOOM AIr CONdITIONErS: TrOUBLEShOOTING TIPS 41 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...

hEAT / COOL ONLY rOOM AIr CONdITIONErS: TrOUBLEShOOTING TIPS 45 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 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 & a...

46 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 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. Allow pressure to build ...

47 ELECTRICAL TROUBLESHOOTING CHART — HEAT PUMP Reversing Valve Stuck Replace the Reversing Valve Replace the Solenoid Coil NO Is the Solenoid Coil Good? Is Line Voltage Present at the Solenoid Is the Selector Switch Set for Heat? NO SYSTEM COOLS WHEN HEATING IS DESIRED. YES HEAT PUMP YES TROUBLESHO...

TrOUBLEShOOTING TOUCh TEST ChArT: TO SErvICE rEvErSING vALvES 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 SUCTI...

ELECTrONIC CONTrOL COOL ONLY MOdELS: XQ05L10A-C XQ06L10A-C XQ08L10A-B,A-E XQ10L10A-C XQ12L10A-B,A-C 49

ELECTrOMEChANICAL CONTrOL COOL ONLY MOdELS: KS12L10-E,-f KS15L10-C,-d KM18L30-C,-d KM24L30-C,-d 51

4 INSTRUCTIONS FOR USING COOLING LOAD ESTIMATE FORM FOR ROOM AIR CONDITIONERS (AHAM PUB. NO. RAC-1) A. This cooling load estimate form is suitable for estimating the cooling load for comfort air conditioning installations which do not require specifi c conditions of inside temperature and humidity. B...

5 COOLING LOAD ESTIMATE FORM HEAT GAIN FROM 1. WINDOWS: Heat gain from the sun. Northeast East Southeast South Southwest West Northwest North 2. WINDOWS: Heat by conduction (Total of all windows.) Single glass Double glass or glass block 3. WALLS: (Based on linear feet of wall) a. Outside walls Nort...

6 Following is an example using the heat load form: A space to be conditioned is part of a house geographically located in an area where the lowest outdoor ambient winter temperature is 40°F. The calculated heat loss is 184 BTU/ Hr./°F. Subtract 40°F (lowest outdoor ambient temperature for the geogr...

7 HEATING LOAD FORM FRIEDRICH ROOM UNIT HEAT PUMPS BTU/HR PER WALLS: (Linear Feet) °F TEMP. DIFFERENCE 2” Insulation Lin. Ft. x 1.6 Average Lin. Ft. x 2.6 WINDOWS & DOORS (Area, sq. ft.) Single Glass: Sq. Ft. x 1.13 Double Glass: Sq. Ft. x 0.61 INFILTRATION - WINDOWS & DOORS: AVG. Lin. Ft. x...

63 Friedrich Air Conditioning Company P.O. Box 1540 San Antonio, TX 78295 210.357.4400 www.friedrich.com ROOM 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 date of original purch...