Friedrich QUIETMASTER 2008 User manual

Service Manual

Compact Programmable

CP-14-18-24-ServMan (04-09)

Models

2009

2008

FRIEDRICH AIR CONDITIONING CO.

Post Ofce Box 1540 · San Antonio, Texas 78295-1540

4200 N. Pan Am Expressway · San Antonio, Texas 78218-5212

(210) 357-4400 · FAX (210) 357-4490

www.friedrich.com

Printed in the U.S.A.

TECHNICAL SUPPORT

CONTACT INFORMATION

Table Of Contents

Important Safety Information ........................................................................................................................................ 2-4

Introduction ...................................................................................................................................................................... 4

Unit Identication ............................................................................................................................................................. 5

Electrical Data .............................................................................................................................................................. 6-7

Specications and Performance Data .......................................................................................................................... 8-9

Functional Components Denitions ............................................................................................................................... 10

Air Conditioner Use ........................................................................................................................................................ 10

How to Operate the Friedrich CP Room Air Conditioner ........................................................................................... 11-12

Refrigeration Sequence of Operation ............................................................................................................................. 13

Sealed Refrigeration System Repairs ....................................................................................................................... 14-17

Method of Charging/Repairs ........................................................................................................................................... 15

Metering Device ...............................................................................................................................................................18

Compressor Checks ...................................................................................................................................................18-22

Routine Maintenance ................................................................................................................................................. 23-24

Troubleshooting ......................................................................................................................................................... 25-28

Wiring Diagrams for 2009 Models .................................................................................................................................. 29

Wiring Diagrams for 2008 Models .................................................................................................................................. 30

Parts for 2009 Models ............................................................................................................................................... 31-34

Parts for 2008 Models ............................................................................................................................................... 35-37

Warranty ......................................................................................................................................................................... 38

IMPORTANT SAFETY INFORMATION

The information contained in this manual is intended for use by a qualied 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.

Installation or repairs made by unqualied persons can result in subjecting the unqualied person making

such repairs as well as the persons being served by the equipment to hazards resulting in injury or electrical

shock which can be serious or even fatal.

Safety warnings have been placed throughout this manual to alert you to potential hazards that may be

encountered. If you install or perform service on equipment, it is your responsibility to read and obey these

warnings to guard against any bodily injury or property damage which may result to you or others.

PERSONAL INJURY OR DEATH HAZARDS

ELECTRICAL HAZARDS:

Unplug and/or disconnect all electrical power to the unit before performing inspections, •

maintenance, or service.

Make sure to follow proper lockout/tag out procedures.•

Always work in the company of a qualied assistant if possible. •

Capacitors, even when disconnected from the electrical power source, retain an electrical charge •

potential capable of causing electric shock or electrocution.

Handle, discharge, and test capacitors according to safe, established, standards, and approved •

procedures.

Extreme care, proper judgment, and safety procedures must be exercised if it becomes necessary •

to test or troubleshoot equipment with the power on to the unit.

Your safety and the safety of others are very important.

We have provided many important safety messages in this manual and on your appliance. Always read

and obey all safety messages.

All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury,

and tell you what will happen if the instructions are not followed.

This is a safety Alert symbol.

This symbol alerts you to potential hazards that can kill or hurt you and others.

All safety messages will follow the safety alert symbol with the word “WARNING”

or “CAUTION”. These words mean:

You can be killed or seriously injured if you do not follow instructions.

You can receive minor or moderate injury if you do not follow instructions.

A message to alert you of potential property damage will have the

word “NOTICE”. Potential property damage can occur if instructions

are not followed.

WARNING

CAUTION

NOTICE

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 conditions when the power is restored and the unit is turned on, even after the exterior is dry.

Never operate the A/C unit with wet hands.•

Use air conditioner on a single dedicated circuit within the specied amperage rating. •

Use on a properly grounded outlet only.•

Do not remove ground prong of plug.•

Do not cut or modify the power supply cord.•

Do not use extension cords with the unit.•

Follow all safety precautions and use proper and adequate protective safety aids such as: gloves, •

goggles, clothing, adequately insulated tools, and testing equipment etc.

Failure to follow proper safety procedures and/or these warnings can result in serious injury or death.•

REFRIGERATION SYSTEM HAZARDS:

Use approved standard refrigerant recovering procedures and equipment to relieve pressure before •

opening system for repair.

Do not allow liquid refrigerant to contact skin. Direct contact with liquid refrigerant can result in minor •

to moderate injury.

Be extremely careful when using an oxy-acetylene torch. Direct contact with the torch’s ame or hot •

surfaces can cause serious burns.

Make sure to protect personal and surrounding property with re proof materials.•

Have a re extinguisher at hand while using a torch.•

Provide adequate ventilation to vent off toxic fumes, and work with a qualied assistant whenever •

possible.

Always use a pressure regulator when using dry nitrogen to test the sealed refrigeration system for •

leaks, ushing etc.

Make sure to follow all safety precautions and to use proper protective safety aids such as: gloves, •

safety glasses, clothing etc.

Failure to follow proper safety procedures and/or these warnings can result in serious injury or death.•

MECHANICAL HAZARDS:

Extreme care, proper judgment and all safety procedures must be followed when testing, •

troubleshooting, handling, or working around unit with moving and/or rotating parts.

Be careful when, handling and working around exposed edges and corners of sleeve, chassis, and •

other unit components especially the sharp ns of the indoor and outdoor coils.

Use proper and adequate protective aids such as: gloves, clothing, safety glasses etc.•

Failure to follow proper safety procedures and/or these warnings can result in serious injury or death.•

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 specied amperage rating. •

Connect to a properly grounded outlet only.•

Do not remove ground prong of plug.•

Do not cut or modify the power supply cord.•

Do not use extension cords with the unit.•

Failure to follow these instructions can result in re and minor to serious property damage.•

WATER DAMAGE HAZARDS:

Improper installation maintenance, or servicing of the air conditioner unit, or not following the above •

Safety Warnings can result in water damage to personal items or property.

Insure that the unit has a sufcient pitch to the outside to allow water to drain from the unit. •

Do not drill holes in the bottom of the drain pan or the underside of the unit. •

Failure to follow these instructions can result in result in damage to the unit and/or minor to serious •

property damage.

INTRODUCTION

This service manual is designed to be used in conjunction with the installation manuals provided with each unit.

This service manual was written to assist the professional HVAC service technician to quickly and accurately

diagnose and repair any malfunctions of this product.

This manual, therefore, will deal with all subjects in a general nature. (i.e. All text will pertain to all models).

IMPORTANT:It will be necessary for you to accurately identify the unit you are

servicing, so you can be certain of a proper diagnosis and repair.

(See Unit Identication.)

Cabinet

Airinlet louver

Front grille

Powercord

Control panelcover

Frontintakegrille

Airfilter

(behindfront intake grille)

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 K 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

K = 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

3rd and 4th Digit - Approximate

BTU/HR (Cooling)

Heating BTU/Hr capacity listed in the

Specication/Performance Data Section

7th Digit – Options

0 = Straight Cool &

Heat Pump Models

6th Digit – Voltage

1 = 115 Volts

3 = 230-208 Volts

5th Digit

Alphabetical Modier

COMPACT

PROGRAMMABLE

Model Number Code

C P 08 E 1 0

RAC Serial Number Identication Guide

UNIT IDENTIFICATION

ELECTRICAL DATA

ELECTRIC SHOCK HAZARD

WARNING

Turn off electric power before service or

installation.

All electrical connections and wiring MUST be

installed by a qualied electrician and conform to

the National Electrical Code and all local codes

which have jurisdiction.

Failure to do so can result in personal injury or

death.

Not following the above WARNING could result in re or

electically unsafe conditions which could cause moderate

or serious property damage.

Read, understand and follow the above warning.

NOTICE

FIRE HAZARD

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 grounded from branch circuit through service cord to unit, or through separate

ground wire provided on permanently connected units. Be sure that branch circuit or general

purpose outlet is grounded. Ground wire must be connected to ground screw located in lower

right corner of air conditioner when air conditioner is in cabinet. (CP 14, 18, 24)

Receptacle The eld supplied outlet must match plug on service cord and be within reach of service cord.

Do NOT alter the service cord or plug. Do NOT use an extension cord. Refer to the table above

for proper receptacle and fuse type.

Plug/Outlet/Circuit Rating

Model

Circuit Rating

Breaker or T-D Fuse

Plug Face

(NEMA#)

Power Cord

Length (ft.)

Wall Outlet

Appearance

CP14 125V - 15A 5 - 15P 6

CP18 250V - 15A 6 - 15P 4

CP24 250V - 20A 6 - 20P 4

ELECTRICAL SHOCK HAZARD

WARNING

Plug into a grounded 3 prong outlet.

Do not remove powercord ground prong.

Do not use a plug adapter.

Do not use an extension cord.

Failure to follow these instructions can

result in death, re, or electrical shock.

This air conditioner must be grounded. This air conditioner

is equipped with a power supply cord having a grounded 3

prong plug. To minimize possible shock hazard, the cord

must be plugged into a mating, grounded 3 prong outlet,

grounded in accordance with all local codes and ordinances.

If a mating outlet is not available, it is the customer’s

responsibility to have a properly grounded 3 prong outlet

installed by a qualied electrical component installer.

It is the customer’s responsibility:

To contact a qualied electrical installer, and to assure

that the electrical installation is adequate and in

conformance with National Electrical Code, ANSI/NFPA

70 - latest edition, and all local codes and ordinances.

Copies of the standards listed may be obtained from:

National Fire Protection Association

One Batterymarch Park

Quincy, MA 02269

Recommended grounding method

To test your power supply cord:

1. Plug power supply cord into a grounded 3 prong outlet.

2. Press RESET.

3. Press TEST (listen for click; Reset button will trip and

pop out).

4. Press and release RESET (listen for click; Reset butto

will latch and remain in). The power supply cord is ready

for operation.

NOTES:

The Reset button must be pushed in for proper

operation.

The power supply cord must be replaced if it fails to trip

when the test button is pressed or if it fails to reset.

Do not use the power supply cord as an off/on switch.

The power supply cord is designed as a protective

device.

A damaged power supply cord must be replaced with

a new power supply cord obtained from the product

manufacturer and must not be repaired.

The power supply cord contains no user serviceable

parts. Opening the tamper-resistant case voids all

warranty and performance claims.

Power Supply Cord

NOTE: Your unit’s device may differ from the ones shown.

A. Reset button

B. Test button

This room air conditioner is equipped with a power supply

cord required by UL. This power supply cord contains

state-of-the-art electronics that sense leakage current. If

the cord is crushed, the electronics detect leakage current

and power will be disconnected in a fraction of a second.

TEST

RESET

SPECIFICATIONS FOR 2009 MODELS

Performance Data

PERFORMANCE

DATA* Cooling

EVAP. AIR TEMP.

DEG. FCONDENSER

TEMPERATURE

DEG. F

Discharge

Temp

Suction

Temp

Super

Heat Sub-Cooling

OPERATING

PRESSURES ELECTRICAL RATINGS R-22 REF.

Voltage

BREAKER

FUSE

Discharge

Air

Temp.

Drop F. Suction Discharge Amps

Cool

Amps

Heat

Locked

Rotor Amps

Charge in

OZ.

60 Hertz

Amps

CP14N10 59 21 118 173 56 41 54 78 267 12.1 / 58 26.5 115 15

CP18N30 58 22 119 173 66 52 55 77 269 8.3 / 38.9/42.4 27.9 230 15

802/5.8962775525662719113275

CP24N30 57 23 117 197 60 44 50 75 264 12.3 / 56A(230V) 33.5 230 20

802/1.31462570544755917114265

*Rating Conditions: 80 degrees F, room air temp. & 50% relative humidity, with 95 degree F, outside air temp & 40% relative humidity.

Compressor Type Rotary Rotary Rotary

L.R.A. (A) 61 42 60

Compressor RLA(A) 11.5 11.2/10.7

Compressor Power Input(W) 1060 2310/2390

Overload Protector InternalExternal Internal

Throttling Method Capillary Capillary Capillary

Starting Method Capacitor Capacitor Capacitor

Working Temp Range ( F)50°-115° 50°-115° 50°-115°

Condenser Aluminum fin-copper tube Aluminum fin-copper tube Aluminum fin-copper tube

Fan Type-Piece Axial fan –1 Axial fan –1 Axial fan –1

Fan Diameter (inches) 15.59 15.59 15.59

900/780/730 1000/900/800 1060/970/820

205 297 320

1.78 1.29 1.39

15 7 7

300 300 300

150 150 150

X 26 X 27

⅝

X 26 X 29

121 141 165

R22/28.57 R22/32.10 R22/37.04

Outdoor

Side

Fan Motor Speed (rpm) (H/M/L)

Output of Fan Motor (W)

Fan Motor RLA(A)

Fan Motor Capacitor (uF)

Net Weight

Refrigerant Charge (oz)

Permissible Excessive Operating

Pressure for the Discharge

Side(PSI)

Permissible Excessive Operating

Pressure for the Suction Side(PSI)

Dimension (W/H/D)

7.5

1606

CP14E10 CP18E30CP24E30

COOLING COOLING COOLING

115V208~230V208~230V

60Hz60Hz 60Hz

14700(Btu/h) 18000 /18450(Btu/h) / (Btu/h)

13701680/17302660/2690

1757W2259W3295W

17.61A 9.02A15A

798/730/696 968/918/8661002/950/866

5.285.92 9.93

10.8 10.8 / 10.8 9.4 / 9.4

Fan Type-Piece Centrifugal flow fan – 1 Centrifugal flow fan – 1 Centrifugalflow fan – 1

Diameter-Length (inch)8.82 X 4.31 8.82 X 4.31 8.82 X 4.31

Evaporator Aluminum fin-coppertube Aluminum fin-coppertube Aluminumfin-copper tube

Pipe Diameter (inches).276 .276 .276

Coil length (l) x height (H) x

coil width (L) 422 X 381 X 25.4 422 X 381 X 25.4 422 X 381 X 25.4

Model

Function

Rated Voltage

Rated Input (W)

Rated Current (A)

Air Flow Volume (CFM) (H/M/L)

Rated Frequency

Total Capacity (W/Btu/h)

Power Input (W)

Indoor

Side

Dehumidifying Volume (pints/h)

EER

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