Carrier P, 52C guide

	(F)	26								SERIES	52C,P
		26
	Temperature	24
	Temperature	22
	CoilDelta	22
34	CoilDelta	20
	Indoor	20
	Indoor
		18
		50	60	70	80	90	100	110	120	130
					Outdoor Air Temperature (F) (40% RH)

70 F Indoor

75 F Indoor

80 F Indoor

85 F Indoor

FIGURE 61 — 52P 12,000 BTU UNIT FIELD TEMPERATURE CHART — HIGH COOL — 50% RH

Image 34

Carrier 52C manual 52P 12,000 BTU Unit Field Temperature Chart High Cool 50% RH

Contents

Service Technician Guide Contents Introduction Summary of DANGERS, WARNINGS, and Cautions Disconnect Power for Permanently Connected Hardwired Units Unit DisassemblyDisconnect Power for CORD-CONNECTED Unit Tools Needed Open the Control BOX Remove the Unit from the Wall Sleeve Accessing OUTDOOR-AIR Section Components Accessing Unit ComponentsAccessing INDOOR-AIR Section Components Remove the Discharge Deck Assembly Ptac Unit with Lateral Duct Accessory Installed Remove the AIR Discharge Grille Gusset Removal Reinstall Front Panel Location of Screws on Discharge Grille Cleaning and Safety General CleaningComponent Cleaning Schedule Monthly Cleaning Cleaning the Outdoor AIR Vent Filter Cleaning the Indoor and Outdoor Coils Seasonal CleaningAccess and Clean Indoor FAN and FAN Scroll Ptac Exterior Surfaces Compressor Rotary Compressor Components Disconnect ALL Power to the Unit Compressor TroubleshootingBasic Hermetic Compressor Electrical Measurements Compressor Replacement Basic Compressor Troubleshooting Guide SHORTED/OPEN Windings Test Strainer Capillary Tube Location Common Causes Heater Failure HeatersHeater Removal Disconnect ALL Power to Unit Acceptable Heater Resistance Values Operating Controls UNIT-MOUNTED Controls Remote Thermostat Troubleshooting WALL-MOUNTED Thermostat Controls Do not daisy chain R 24 VAC Description of Selector Switch Settings Figure NON-USER Adjustable Controls Sequence of Operation Component Operation and TroubleshootingTools Needed Indoor Thermostat IT CONTACTS, ALL 52CE, PE Models Indoor Thermostat IT CONTACTS, ALL 52CQ, PQ Models Electrical Components Removal and Replacement Capacitor Test Component Locations Open Control BOX FAN Motor FAN Motor TroubleshootingBasic FAN Motor Electrical Tests FAN Motor Troubleshooting Chart Typical 208/230 Volt Motors Typical 265 Volt Motors FAN Motor Replacement Location of Wiring Schematic On Front Panel of Control BOX Field Temperature Charts 100 110 120 130 52P 12,000 BTU Unit Field Temperature Chart High Cool 50% RH Indoor Series Indoor 52C,P Series Page 000 Btu 52P-12,000 Btu 52C-12,000 Btu 15,000 Btu Wiring Diagrams Refer to Figures 68-72 for Typical Wiring Schematics Component Legend CAP Component Connection Marked Fan Motor Page Most Frequent Ptac Service Questions Accessories Accessory Form Number Part Number Description 52C Performance and Physical Data Amps 52P Performance and Physical Data 52PE-512---3Page Page Copyright 2002 Carrier Corporation