York B1HH018 Installation Instructions Manual page 27

66297-YIM-C-0205
TYPICAL WIRING DIAGRAM LEGEND (See page 24, 25 and 25)
TYPICAL WIRING DIAGRAM NOTES (See page 24, 25 and 25)
Unitary Products Group
CB CIRCUIT BREAKER 24V, 3 AMP
CCH CRANKCASE HEATER (OPTIONAL)
COMPR COMPRESSOR
DS DEFROST SENSOR, CLOSES @ 31˚F, OPENS @ 55˚F.
F1 F2 F3 FUSES, LINE VOLTAGE - 60 AMP (10, 15, 20 & 25 KW ELEC HEAT)
F4 F5 F6 FUSES, LINE VOLTAGE - 30 AMP (10, 15, 20 & 25 KW ELEC HEAT)
F7 F8 F9 FUSES, LINE VOLTAGE - 30 AMP (20, 25 KW ELEC HEAT)
F24 FUSE 24V SECONDARY, 5 AMP
FS FREEZESTAT SWITCH (OPTIONAL ACCESSORY) OPEN @ 26˚ F
HP HIGH PRESSURE SWITCH (OPTIONAL ACCESSORY) OPENS @ 280 PSIG
HTR 1 ELECTRIC HEATER (OPT. ACCSSRY: ALL KW ELEC HEAT)
HTR 2 ELECTRIC HEATER (OPT. ACCSSRY: 7.5, 10, 15, 20 & 25 KW ELEC HEAT)
HTR 3 ELECTRIC HEATER (OPT. ACCSSRY: 20 & 25 KW ELEC HEAT)
HTR 4 ELECTRIC HEATER (OPT. ACCSSRY: 15, 20 & 25 KW ELEC HEAT)
HTR 5 ELECTRIC HEATER (OPT. ACCSSRY: 20 & 25 KW ELEC HEAT)
HTR 6 ELECTRIC HEATER (OPT. ACCSSRY: 20 & 25 KW ELEC HEAT)
K1 RELAY INDOOR FAN MOTOR
RELAY ELECTRIC HEATER
K2
K3 RELAY ELECTRIC HEATER, 24 VDC COIL
K7 RELAY LIMIT TRIP, 25 VDC COIL
LP LOW PRESSURE SWITCH (OPTIONAL ACCESSORY) OPEN @ 7 PSIG
LS LIMIT SWITCH, ELECTRIC HEAT (PART OF ELEC HEAT ACCESSORY)
M1 CONTACTOR, COMPRESSOR & OUTDOOR FAN
M2 CONTACTOR, ELECTRIC HEAT, 230V COIL
M3 CONTACTOR, ELECTRIC HEAT, 230V COIL
PTCR START ASSIST (OPTIONAL DEVICE)
RC1/RC2 COMPRESSOR START & OUTDOOR FAN RUN CAPACITOR
RC1 COMPRESSOR START CAPACITOR (ALTERNATE)
RC2 OUTDOOR FAN RUN CAPACITOR (ALTERNATE)
RC3 INDOOR FAN RUN CAPACITOR
RVS REVERSING VALVE SOLENOID
S2/P2 SOCKET/PLUG CONNECTION ON FAN CONTROL BOARD, LOW VOLTAGE
S3/P3 SOCKET/PLUG CONNECTION ON FAN CONTROL BOARD, LINE VOLTAGE
S4/P4 SOCKET/PLUG CONNECTION ON ID FAN MOTOR, 24V
S3/P3 SOCKET/PLUG CONNECTION ON ID FAN MOTOR, 230V
T1 TRANSFORMER, 24V, 40 VA
TB2 TERMINAL BLOCK ECM MOTOR "SPEED" CONNECTIONS
IDENTIFIED TERMINAL ON RUN CAPACITOR
ROOM THERMOSTAT 24V CONNECTIONS
TB1 ON FAN/ELEC HEAT CONTROL BOARD
FACTORY WIRING AND DEVICES
OPTIONAL WIRING AND DEVICES
FIELD WIRING
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