Carrier P - User Manual

52C,P
SERIES
PTAC Customer Support Center
1•800•894•6449
SERVICE TECHNICIAN GUIDE
PACKAGED TERMINAL AIR CONDITIONERS
AND HEAT PUMPS
CONTENTS
Page
INTRODUCTION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2,3
SUMMARY OF DANGERS, WARNINGS,
AND CAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
UNIT DISASSEMBLY
. . . . . . . . . . . . . . . . . . . . . . . . . . .3,4
TOOLS NEEDED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
REMOVE FRONT PANEL . . . . . . . . . . . . . . . . . . . . . . . 3
DISCONNECT POWER FOR
CORD-CONNECTED UNIT . . . . . . . . . . . . . . . . . . . . . 3
DISCONNECT POWER FOR PERMANENTLY
CONNECTED (HARDWIRED) UNITS . . . . . . . . . . . . 3
OPEN THE CONTROL BOX. . . . . . . . . . . . . . . . . . . . . 4
REMOVE THE UNIT FROM THE WALL SLEEVE . . 4
ACCESSING UNIT COMPONENTS
. . . . . . . . . . . . . .5-8
ACCESSING INDOOR-AIR SECTION
COMPONENTS (UNITS WITH LATERAL
DUCT ACCESSORY). . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
ACCESSING INDOOR-AIR SECTION
COMPONENTS (UNITS WITHOUT LATERAL
DUCT ACCESSORY). . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
ACCESSING OUTDOOR-AIR SECTION
COMPONENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
GENERAL CLEANING
. . . . . . . . . . . . . . . . . . . . . . . . .9-12
CLEANING AND SAFETY . . . . . . . . . . . . . . . . . . . . . . 9
TOOLS NEEDED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
MONTHLY CLEANING. . . . . . . . . . . . . . . . . . . . . . . . 10
SEASONAL CLEANING . . . . . . . . . . . . . . . . . . . . . . . 11
Page
COMPRESSOR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-17
COMPRESSOR TROUBLESHOOTING . . . . . . . . . . .14
BASIC HERMETIC COMPRESSOR
ELECTRICAL MEASUREMENTS. . . . . . . . . . . . . . . . 14
COMPRESSOR REPLACEMENT . . . . . . . . . . . . . . . .15
HEATERS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18,19
COMMON CAUSES OF HEATER FAILURE. . . . . . . 18
HEATER REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
OPERATING CONTROLS
. . . . . . . . . . . . . . . . . . . . . 20-27
DESCRIPTION OF SELECTOR
SWITCH SETTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . .22
NON-USER ADJUSTABLE CONTROLS . . . . . . . . . . 22
SEQUENCE OF OPERATION . . . . . . . . . . . . . . . . . . . 23
COMPONENT OPERATION AND
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . 23
ELECTRICAL COMPONENTS REMOVAL
AND REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . 26
FAN MOTOR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28-30
FAN MOTOR TROUBLESHOOTING. . . . . . . . . . . . . 28
BASIC FAN MOTOR ELECTRICAL TESTS. . . . . . . .28
FAN MOTOR REPLACEMENT. . . . . . . . . . . . . . . . . . 30
WIRING DIAGRAMS
. . . . . . . . . . . . . . . . . . . . . . . . 31-35
MOST FREQUENT PTAC SERVICE
QUESTIONS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
ACCESSORIES
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
52C,P
SERIES

Carrier P Specifications

General

Brand	Carrier
Model	P
Category	Air Conditioner
Language	English