Ladder Wiring Diagram - 2 To 3 Ton Models - York PCE4 Series Installation Manual

CAUTION - OPEN ALL DISCONNECTS
BEFORE SERVICING THIS UNIT
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 WIRES 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. BLOWER MOTOR SPEED CONNECTIONS SHOWN ARE TYPICAL, BUT
MAY VARY BY MODEL AND APPLICATION. SEE INSTALLATION MANUAL
FOR PROPER MOTOR SPEED INFORMATION FOR EACH APPLICATION TO
OBTAIN APPROX. 400 CFM/TON IN COOLING.
WIRING DIAGRAM FOR
HEATER KITS:
6HK*6501306
6HK*6501506
FL
LS
HE3
FL
LS
HE2
BLU
EQUIPMENT
BRN
GROUND
RLY
3
5
L2
4 1
BLU
L1
BLK
RED
YEL
L2
L1
FIGURE 11: Ladder Wiring Diagram - 2 to 3 Ton Models
Johnson Controls Unitary Products
LADDER WIRING DIAGRAM
COOLING UNIT WITH OR
WITHOUT ELECTRIC HEAT
WITH RECIPROCATING COMPRESSOR
NOTES:
THERMOSTAT
FL
HE1
LS
H 4 H
1
5 3
H H
SEQ2 SEQ1
BLU
BLU
BLU
YEL
208/230-1-60
OPTIONAL CRANKCASE HEATER WIRING
L1
BLK
L1 T1
5
BLK 6
LOW
VOLTAGE
3A
BOX
FUSE
R
C
W1
G
Y1
W2
BRN
WHT
BLU
PRP
RED/WHT
3
BLK
4
BLOWER
5 MOTOR
5126744-UIM-D-1015
GROUND
CRANKCASE TEMPERATURE
HEATER SWITCH
BLK
BLK
R
BLK C
COMPRES
S
OD FAN
C
BLK/WHT 12
MOTOR
DUAL
CAPACITOR
H C F
BRN 15
RED 7
2
1
YEL 18
START RELAY START CAP
BLOWER
L N
BLK 5
MOTOR
GRN G
208V
COM
230V
PRI
XFMR
RED 33
24V SEC
75 VA
HI PRESS
YEL 18
CONTACTOR
COIL
2
1
C
L2
LUG
RED
R
RED 9
S
T2
L2
RED
PUR 2
PUR 1
19