Carrier 38HDR Product Data

40
TYPICAL WIRING SCHEMATICS (CONT.)
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 all local codes.
3. Transformer is thermally protected and will
reset automatically.
4. IFMs, OFM and COMP have internal ther-
mal protection.
LEGEND
ASM — Air Sweep Motor
ASR — Air Sweep Relay
C—Contactor
CAP — Capacitor
COMP — Compressor
CR — Control Relay
CT — Current Transformer
DFB — Defrost Board (Outdoor Unit)
DFT — Defrost Thermostat
DR — Delay Relay
DTS — Discharge Temp. Sensor
EQUIP. GND — Equipment Ground
FL — Fuse Link
FPT — Freeze Protection Thermostat
FR — Fan Relay
FU — Fuse
HP — Heat Pump
HPS — High-Pressure Switch
HR — Heater Relay
HTR — Heater
HTT — Heater Temp Thermostat
IFM — Indoor Fan Motor
LPS — Low-Pressure Switch
OFM — Outdoor-Fan Motor
OL — Overload
PDR — Pump Delay Relay
PL — Plug
PM — Pump Motor
PSS — Pump Shut-off Switch
RVS — Reversing Valve Solenoid
SSDR — Safety Switch Delay Relay
TB — Te r m i na l B l o ck
TRAN — Transformer
Terminal (Marked)
Terminal (unmarked)
Splice
Te r m in a l B l oc k
Factory Wiring
Field Control Wiring
Field Power Wiring
Printed Circuit Board
Accessory or Optional Wiring
40QAQ
38QRR
38QRR
40QAQ
See Note #5
5. Jumper wire (O to Y1) required when heat
pump indoor unit is used with cooling only
outdoor unit. Wire must be field supplied.
6. Use copper conductors only.
A12212
38QRR and 40QAQ Heat Pump System Wiring Diagram
40QAC/38HDR -- 40QAQ/38QR
R

Carrier 38HDR Specifications

General

Brand	Carrier
Model	38HDR
Category	Air Conditioner
Language	English