LEGEND AND NOTES (Fig. 25 and 26)
LEGEND
ASM — Air Sweep Motor
ASR — Air Sweep Relay
ASW — Air Sweep Switch
C—Contactor
CAP — Capacitor
CLO — Compressor Lockout
COMP — Compressor Motor
CR — Control Relay
CT — Current Transformer
DFB — Defrost Board (Outdoor Unit)
DFT — Defrost Thermostat
DR — Defrost Relay
DTS — Discharge Temperature Sensor
EQUIP GND — Equipment Ground
FL — Fuse Link
FPT — Freeze Protection Thermostat
FR — Fan Relay
FU — Fuse
GND — Ground
HP — Heat Pump
HPS — High-Pressure Switch
HR — Heater Relay
HTR — Heater
HTT — Heater Temperature Thermostat
IFM — Indoor-Fan Motor
LLPS — Liquid Low Pressure Switch
OFM — Outdoor-Fan Motor
OFR — Outdoor-Fan Relay
OL — Overload
PCB — Printed Circuit Board
PDR — Pump Delay Relay
PL — Plug
PM — Pump Motor
PSS — Pump Shutoff Switch
RVS — Reversing Valve Solenoid
SC — Start Capacitor
SR — Start Relay
SSDR — Safety Switch Delay Relay
TB — Terminal Block
TDR — Time-Delay Relay
TRAN — Transformer
Terminal (Marked)
Terminal (Unmarked)
Splice
Terminal Block
Factory Wiring
Field Control Wiring
Field Power Wiring
Printed Circuit Board
Accessory or Optional Wiring
NOTES:
1. If any of the original wire furnished must be replaced, it must be
replaced with type 90° C wire or its equivalent.
2. Wire in accordance with National Electrical Code (NEC) and local
codes.
3. Transformer is thermally protected and will reset automatically.
4. The IFM(S), OFM and COMP have internal thermal protection.
5. The CLO locks out the COMP to prevent short cycling on COMP
overloads and safety devices. Before replacing CLO check these
devices. Minimum one amp turn required to hold contacts closed.
6. Two 508 long low voltage wiring cables provided with unit.
18
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