York B1HH018 Installation Instructions Manual page 19

66297-YIM-C-0205
TYPICAL WIRING DIAGRAM LEGEND (See page 18)
TYPICAL WIRING DIAGRAM NOTES (See page 18)
Unitary Products Group
LEGEND:
H RANK ASE HEATER (OPTIONAL)
OMPR OMPRESSOR
DS DEFROST SENSOR, LOSES @ 31 °F, OPENS @ 55 DS DEFROST SENSOR, LOSES @ 31 °F.
F1, F2 FUSES, LINE VOLTAGE - (5, 7.5, 10, 15, 20 & 25 KW ELE HEAT)
F3, F4
FUSES, LINE VOLTAGE - (7.5, 10, 15, 20 & 25 KW ELE HEAT)
F5, F6 FUSES, LINE VOLTAGE - (15, 20 & 25 KW ELE HEAT)
F7, F8, F9 FUSES, LINE VOLTAGE - (15, 20 & 25 KW ELE HEAT)
F24 FUSE 24V SE ONDARY, 5 AMP
FS FREEZESTAT SWIT H (OPTIONAL A ESSORY) OPEN @ 26 °F
HP HIGH PRESSURE SWIT H (OPTIONAL A ESSORY) OPENS @ 380 PSIG
HTR 1 ELE TRI HEATER (OPT. A SSRY: ALL KW ELE HEAT)
HTR 2 ELE TRI HEATER (OPT. A SSRY: 7.5, 10, 15, 20 & 25 KW ELE HEAT)
HTR 3 ELE TRI HEATER (OPT. A SSRY: 25 KW ELE HEAT)
HTR 4 ELE TRI HEATER (OPT. A SSRY: 15, 20 &25 KW ELE HEAT)
HTR 5 & 6 ELE TRI HEATER (OPT. A SSRY: 20 & 25 KW ELE HEAT)
K1 RELAY INDOOR FAN MOTOR
K2 RELAY ELE TRI HEATER
K3 RELAY ELE TRI HEATER, 24 VD
K4 RELAY ELE TRI HEATER, 24 VD
K5 RELAY ELE TRI HEATER, 24 VD
K6 RELAY ELE TRI HEATER, 24 VD
K7 RELAY LIMIT TRIP, 24 VD OIL
LP LOW PRESSURE SWIT H (OPTIONAL A ESSORY) OPEN @ 7 PSIG
LS LIMIT SWIT H, ELE TRI HEAT (PART OF ELE HEAT A ESSORY)
M1 ONTA TOR, OMPRESSOR & OUTDOOR FAN
PT R START ASSIST (OPTIONAL DEVI E)
R 1/R 2 OMPRESSOR START & OUTDOOR FAN RUN APA ITOR
R 1 OMPRESSOR START APA ITOR (ALTERNATE)
R 2 OUTDOOR FAN RUN APA ITOR (ALTERNATE)
RVS REVERSING VALVE SOLENOID
S2/P2 SO KET/PLUG ONNE TION ON FAN ONTROL BOARD, LOW VOLTAGE
S3/P3 SO KET/PLUG ONNE TION ON FAN ONTROL BOARD, LINE VOLTAGE
S4/P4 SO KET/PLUG ONNE TION ON ID FAN MOTOR, 24V
S5/P5 SO KET/PLUG ONNE TION ON ID FAN MOTOR, 230V
T1 TRANSFORMER, 24V, 40 VA
TB2 TERMINAL BLO K E M MOTOR "SPEED" ONNE TIONS
IDENTIFIED TERMINAL ON RUN APA ITOR
ROOM THERMOSTAT 24V ONNE TIONS
TB1 ON FAN/ELE HEAT ONTROL BOARD
FA TORY WIRING AND DEVI ES
OPTIONAL WIRING AND DEVI ES
FIELD WIRING
NOTES:
1. ALL FIELD WIRING TO BE ACCOMPLISHED FOLLOWING CITY,
LOCAL AND/OR NATIONAL CODES IN EFFECT AT TIME OF
INSTALLATION OF THIS UNIT.
2. CAUTION: LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN
SERVICING CONTROLS.
AND DANGEROUS OPERATION.
SUPPLIED WITH THIS UNIT MUST BE REMOVED, IT MUST BE
REPLACED WITH TYPE 105˚ C, 600V WIRE OR EQUIVALENT
CLEARLY RENUMBERED FOR IDENTIFICATION.
OPERATION AFTER SERVICING.
3. MOTORS ARE INHERENTLY PROTECTED.
4. UNIT FACTORY WIRED FOR 230 VOLT OPERATION.
VOLT OPERATION MOVE '108/PR' WIRE FROM 240V TO 208V
ON TRANSFORMER T1.
5. SEE UNIT NAMEPLATE FOR MAXIMUM FUSE SIZE AND MINIMUM
CIRCUIT AMPACITY.
6. IF OPTIONAL SAFETY SWITCH KIT IS INSTALLED,
WIRE 219/BK IS REM0VED.
7. WIRE 204/BR IS REMOVED WHEN ELECTRIC HEAT
IS INSTALLED.
8. SHUNT CONTACT ALSO USED WITH CRANKCASE HEATER. (OPTIONAL)
CAUTION - OPEN ALL DISCONNECTS
BEFORE SERVICING THIS UNIT
OIL (7.5, 10, 15, 20 & 25 KW ELE HEAT)
OIL (15, 20 & 25 KW ELE HEAT)
OIL (25 KW ELE HEAT)
OIL (20 & 25 KW ELE HEAT)
WIRING ERRORS CAN CAUSE IMPROPER
IF ANY OF THE WIRE AS
VERIFY PROPER
FOR 208
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