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571209-YTG-C-1012
Johnson Controls Unitary Products 23
TYPICAL INSTALLATION
TYPICAL FIELD WIRING
60” OVERHEAD
CLEARANCE
MINIMUM 18” SERVICE
ACCESS CLEARANCE
ON ONE SIDE
WEATHERPROOF
DISCONNECT
SWITCH
THERMOSTAT
10” CLEARANCE
AROUND PERIMETER
CONTROL
ACCESS
PANEL
TO INDOOR COIL
NEC CLASS 1 WIRING
NEC CLASS 2 WIRING
TO FURNACE OR
AIR HANDLER
TERMINAL BLOCK
SEAL OPENING(S) WITH
PERMAGUM OR EQUIVALENT
NOTES:
ALL OUTDOOR WIRING MUSTBE WEATHERPROOF.
MINIMUM 24” UNIT TO UNIT CLEARANCE.
THERMOSTAT
INDOOR UNIT
OUTDOOR UNIT
LOW VOLTAGETERMINALBLOCK
INAIR HANDLER WITH ELECTRIC HEAT
DEFROST
CONTROL
FIELD
INSTALLED
JUMPER
DEHUMIDIFICATION CONTROLCONNECTION
(Humidistat* Jumper must be removed)
GND.
SCREW
CONTACTOR
T2
T1
L2
L1
M
R
L or X
Y
O
W
G
T
2
E
2
R
R
Y
Y
O
O
W2
W
C
C
X/L
G
W1
BK
GND.
LUG
CIRCUIT
BREAKER***
POWER WIRING
24V CONTROL WIRING
(NEC CLASS 2)
JUMPER TERMINALS EAND W TO HEAT
ON FIRST STAGE DURING EMERGENCYHEAT.
TERMINAL NOTUSED ONALL THERMOSTATS.
POWER WIRING
208/230-1-60
230-1-50
CHECK THE LOW VOLTAGE TERMINAL BLOCK ONTHE INDOOR UNIT FOR THEACTUALARRANGEMENT OF THE TERMINALS.
CONNECT POWER WIRING TO TERMINALBLOCK 3TB ON UNITS WITHOUT ELECTRIC HEATOR CIRCUIT BREAKER.
B or C
ALL FIELD WIRING TO BE IN ACCORDANCE WITH ELECTRIC CODE (NEC) AND/OR LOCAL CODES
RED
BLK
YEL
ORG
WHT
PUR
BRN
1
2
3
4
1
3,4
W1/66