Connection Wiring Diagram - 2 To 3 Ton Models; Typical Wiring Diagrams - York PCG4 Series Installation Manual

SECTION VII: TYPICAL WIRING DIAGRAMS
COOLING UNIT WITH GAS HEAT
WITH RECIPROCATING COMPRESSOR
208/230-1-60
CONNECTION WIRING DIAGRAM
HI PRESS
YEL 18
LOW
VOLTAGE
BOX
C
BLU 23
R RED 22
Y YEL 21
W WHT 20
G GRN 19
THERMOSTAT
RED 34
ROLLOUT LIMIT
RED/BLK 35
GRN 40
GAS
VALVE
PRESSURE
FIGURE 10: Connection Wiring Diagram - 2 to 3 Ton Models
Johnson Controls Unitary Products
CONTACTOR
COIL
BLU 43
YEL 16
W
Y
BLOWER
O
DELAY
R
180
C
120
C
90
R
60
O
Y
CONTROL
W
BOARD
G
RED/GRN 36
3 1
2
6 5 4
YEL 38
9 8 7
YEL 38
ORG 37
IGNITOR
ORG 39
W SPD
SPARK
G SPD
TRANSFORMER
L1
IND FS
Y SPD
ORG
1 2 3
24V COM
RED 28
WHT 27
1. ALL FIELD WIRING TO BE ACCOMPLISHED FOLLOWING CITY, LOCAL AND/OR
NATIONAL CODES IN EFFECT AT THE TIME OF INSTALLATION OF THE UNIT.
2. CAUTION : LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING
CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS
OPERATION. IF ANY OF THE WIRING, AS SUPPLIED WITH THE UNIT, MUST
BE REMOVED, IT MUST BE REPLACED WITH TYPE 105 C. 600 VOLT
WIRE OR EQUIVALENT CLEARLY RENUMBERED FOR IDENTIFICATION.
VERIFY PROPER OPERATION AFTER SERVICING.
3. FACTORY WIRED FOR 230 VOLT SUPPLY POWER. FOR 208 VOLT, MOVE
BLACK WIRE FROM THE 230 TO THE 208 VOLT TAP ON THE TRANSFORMER.
4. MOTORS ARE INHERENTLY PROTECTED.
5. SEE UNIT NAMEPLATE FOR MAXIMUM FUSE AND/OR CIRCUIT BREAKER SIZE
AND MINIMUM CIRCUIT AMPACITY.
6. SELECT INDOOR BLOWER SPEED TO REMAIN WITHIN THE TEMPERATURE
RISE RANGE ON THE NAMEPLATE IN HEATING AND TO OBTAIN APPROX.
400 CFM/TON IN COOLING.
7. BLOWER MOTOR SPEED CONNECTIONS SHOWN ARE TYPICAL,
BUT MAY VARY BY MODEL AND APPLICATION.
CAUTION - OPEN ALL DISCONNECTS
BEFORE SERVICING THIS UNIT
BLK 6
PUR 1
208V
230V COM
PRI
XFMR
24V SEC
L2
40 VA
RED 45
START RELAY
1 2 5
YEL 46
START CAP
RED 8
FLAME
SENSOR
BRN
DRAFT
CAP
MOTOR
YEL
BLU 30
NOTES:
1183746-UIM-B-0215
POWER SUPPLY
208/230-1-60
USE COPPER
CONDUCTORS
ONLY
GND
L1 T1
SINGLE POLE
BRN
CONTACTOR
T2 RED
DUAL
CAPACITOR
FAN
HERM
C
BRN/WHT 13
RED 7
BLK/WHT 12
BRN 15
GRN 10
RED 9
BLK 5
PUR 2
(LOW) 1
(CONTINUOUS FAN)
RED 32
2
(LOW/MED)
(HEATING SPEED)
(MED) 3 BLOWER
WHT 33
MOTOR
(COOLING SPEED)
(MED/HIGH) 4
YEL 31
SHARED TAP
5
SEE NOTE 7
(HIGH)
CONTROL BOARD SETTINGS:
COMBUSTION BLOWER POST PURGE: 60 SEC
INDOOR BLOWER HEAT ON DELAY: 30 SEC
INDOOR BLOWER COOL OFF DELAY: 60 SEC
INDOOR BLOWER HEAT OFF DELAY: FIELD SELECT
LINE VOLTAGE
FIELD INSTALLED POWER
LOW VOLTAGE
FIELD INSTALLED CONTROL
C
S
COMPR
R
1 BRN
2
3
BLK
4 OD FAN
MOTOR
5
GRN
RED
6
N
1
G
2 GRN 4
L
3
C
4
19