Friedrich CP14-18-24 CP24N30 User Manual

Service & Parts Manual2007Compact ProgrammableModelsCP14N10CP18N30CP24N30CP-14-18-24-Svc-Prts-07 (3-07)

10NOTE: In order to access the sealed system it will be necessary to install Schrader type fi ttings to the process tubes on the discharge and suction

11An undercharged system will result in poor performance (low pressures, etc.) in both the heating and cooling cycle.Whenever you service a unit with

12RESTRICTED REFRIGERANT SYSTEM A quick check for either condition begins at the evaporator. With a partial restriction, there may be gurgling sounds

13Problem Possible Cause ActionCompressor does not runLow voltageCheck voltage at compressor. 115V & 230V units will operate at 10% voltage varian

14Problem Possible Cause ActionUnit does not runFuse blown or circuit trippedReplace fuse, reset breaker. If repeats, check fuse or breaker size. Chec

15Problem Possible Cause ActionCompressor runs for short periods only. Cycles on overloadOverload inoperative. Opens too soonCheck operation of unit.

16Problem Possible Cause ActionWater "spitting" into roomSublimation: When unconditioned saturated, outsid

17Problem Possible Cause ActionRoom temperature uneven (Heating cycle)Heat anticipator (resistor) shorted (on applicable models)Disconnect power to un

18Problem Possible Cause ActionUnit cools when heat is called forIncorrect wiring Refer to applicable wiring diagramDefective solenoid coil Check for

19ComponentsModel CP14N10

2Table of ContentsPerformance Data ...

20No Description Qty Friedrich Part# Code1 Supporter Assy 1 677002002 Screw ST4.2X13 7 677001543 Window locking bracket 2 677001134 Screw 4X20 6 67700

21No Description Qty Friedrich Part# Code37 Clapboard of Snail Shell 1 6770010838 Base Plate of Air Flue 1 6770010639 Evaporator Assy 1 6770010340 Sen

22No Description Qty Friedrich Part# Code1 Supporter Assy 1 677001322 Self-threading Screw ST4.2x22 7 677001543 Window Locking Bracket 2 677001134 Scr

23No Description Qty Friedrich Part# Code36 Blower Wheel 1 6770011637 Front Clapboard of Snail Shell 1 6770010838 Base Plate of Air Flue 1 6770010639

24ComponentsModel CP24N30

25No Description Qty Friedrich Part# Code1 Supporter Assy 1 677002002 Screw ST4.2X13 7 677001543 Window locking bracket 2 677001134 Screw 4X20 6 67700

26No Description Qty Friedrich Part# Code38 Base Plate of Air Flue 1 6770010639 Evaporator Assy 1 6770010340 Sensor Holder 1 6770021341 Compressor 44

Friedrich Air Conditioning Company P.O. Box 1540San Antonio, TX 78295 210.357.4400www.friedrich.comROOM AIR CONDITIONERS LIMITED WARRANTYFIRST YEAR AN

CP-14-18-24-Svc-Prts-07 (3-07)Friedrich Air Conditioning Co.Post Office Box 1540 • San Antonio, Texas 78295-15404200 N. Pan Am Expressway • San Antoni

3Model CP14N10 CP18N30 CP24N30Function COOLING COOLING COOLING Rated Voltage 115V ~ 230/208V~ 230/208V~ Rated Frequency 60Hz 60Hz 60Hz Total Ca

4Outer Component Identifi cationModels: CP14N10, CP18N30, CP24N30CabinetAir inlet louverF ront grillePower cordControl panel coverF ront intake grilleA

5Installation DimensionsModels: CP14N10, CP18N30, CP24N30(Top View)Fence / obstructionOver 2'Over1'Over1'Wall Or window(Front View)(Sid

6CP24N30CP18N30 / CP14N10Wiring Diagrams

7Functional Component Defi nitionsMECHANICAL COMPONENTSVent door Allows introduction of fresh air into the room and/or exhausts stale room air outside

8In the case of the capillary tube this is accomplished (by design) through size (and length) of device, and the pressure difference present across th

9EQUIPMENT REQUIRED 1. Voltmeter 2. Ammeter 3. Ohmmeter 4. E.P.A. Approved Refrigerant Recovery System. 5. Vacuum Pump (capable of 200 microns