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561923-YTG-E-0613
TYPICAL INSTALLATION
10" CLEARANCE
AROUND PERIMETER
NOTES:
ALL OUTDOOR WIRING MUST BE WEATHERPROOF.
MINIMUM 24" UNIT TO UNIT CLEARANCE.
TYPICAL FIELD WIRING
ALL FIELD WIRING TO BE IN ACCORDANCE WITH ELECTRIC CODE (NEC) AND/OR LOCAL CODES
R
B or C
Y
O
W
L or X
G
T
E
1
JUMPER TERMINALS E AND W TO HEAT
ON FIRST STAGE DURING EMERGENCY HEAT.
2
TERMINAL NOT USED ON ALL THERMOSTATS.
POWER WIRING
24V CONTROL WIRING
(NEC CLASS 2)
22
60" OVERHEAD
CLEARANCE
THERMOSTAT
LOW VOLTAGE TERMINAL BLOCK
IN AIR HANDLER WITH ELECTRIC HEAT
R
C
Y
O
W2
G
1
FIELD
2
W1
INSTALLED
2
BK
JUMPER
DEHUMIDIFICATION CONTROL CONNECTION
(Humidistat* Jumper must be removed)
GND.
LUG
CIRCUIT
BREAKER***
3
CHECK THE LOW VOLTAGE TERMINAL BLOCK ON THE INDOOR UNIT FOR THE ACTUAL ARRANGEMENT OF THE TERMINALS.
4
CONNECT POWER WIRING TO TERMINAL BLOCK 3TB ON UNITS WITHOUT ELECTRIC HEAT OR CIRCUIT BREAKER.
MINIMUM 18" SERVICE
ACCESS CLEARANCE
ON ONE SIDE
WEATHERPROOF
DISCONNECT
SWITCH
CONTROL
ACCESS
PANEL
INDOOR UNIT
3,4
RED
BLK
YEL
ORG
WHT
PUR
BRN
THERMOSTAT
NEC CLASS 1 WIRING
NEC CLASS 2 WIRING
TO FURNACE OR
AIR HANDLER
TERMINAL BLOCK
TO INDOOR COIL
SEAL OPENING(S) WITH
PERMAGUM OR EQUIVALENT
OUTDOOR UNIT
DEFROST
CONTROL
R
CONTACTOR
C
T2
T1
Y
M
O
GND.
L2
L1
W
SCREW
X/L
W1/66
POWER WIRING
208/230-1-60
230-1-50
Johnson Controls Unitary Products
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