
Wiring Diagrams
INDEX
MODEL NO. TYPE VOLTAGE (1 Ph, 60 Hz) FIGURE NO. LABEL DIAGRAM
Heat Pumps
52EQ EC
208/230,
265
1 52EQ500054
52SQ
AA/CP
208/230,
265
2 52SQ502304
RC
208/230,
265
3 50SQ502384
Heat/Cool Units
52EE EC
208/230,
265
1 52EQ500054
52SC AA/CP
208/230,
265
4 52SQ500164
52SE
AA/CP
208/230,
265
5 52SE500374
RC
208/230,
265
6 52SE500384
ACCESSORY
Item Model No. Figure No. Label Diagram
Energy Management (EM) Kit EM-KIT 7 52SQ506072
LEGEND
AA — Standard Chassis (52S)
CP — Corrosion Protection
EC — Standard Chassis (52E)
RC — Remote Control
LEGEND
CAP — Capacitor
CENT — Central
COM — Common
COMM — Communication
COMP — Compressor
CONCYC — Continuous Cycle
CR — Cooling Relay
CW — Clockwise
EQUIP — Equipment
FCS — Fan Cycle Switch
FGT — Freeze Guard Thermostat
FM — Fan Motor
FR — Fan Relay
GND — Ground
HERM — Hermetic
HR — Heating Relay
HTR — Heater
ID — Indoor
IFT — Indoor Frost Thermostat
IT — Indoor Thermostat
LS — Limit Switch
NO — Normally Open
OD — Outdoor
OFT — Outdoor Frost Thermostat
OL — Overload
PL — Plug
PLS — Primary Limit Switch
PR — Primary Relay
RVR — Reversing Valve Relay
RVS — Reversing Valve Solenoid
SCM — Standard Control Module
SLS — Secondary Limit Switch
SSS — Speed Selector Switch
ST — Start Thermistor
SW — Switch
TB — Terminal Board
TRANS — Transformer
U/L — Upper/Lower
UNOCC — Unoccupied
Marked Connection
Unmarked Connection
Terminal Board
Factory-Installed Wiring
Field-Installed (or Optional) Wiring
Field (Main) Power Supply
To |indicate common potential
only. Not to represent wire
NOTES:
1. Recommended for use on grounded power supply only.
2. Compressor and fan motor thermally protected.
3. Use copper conductors only.
4. All wiring must conform to NEC (National Electrical Code) and local codes.
5. Dashed boxes show start thermistor, reversing valve solenoid, and plug, when used.
6. Control center uses thermostat part number HH01AD045 or equivalent (Fig. 3, 6).
7. Field control wirie suitable for NEC, Class 2 control circuit at 24 volts (Fig. 3, 6).
52E,S
Packaged Terminal
Air Conditioners and Heat Pumps
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
Tab 9a 11a
PC 132 Catalog No. 535-207 Printed in U.S.A. Form 52E,S-3W Pg 1 10-97 Replaces: 50E,S-2W
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