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Johnson Controls Unitary Products 19
TYPICAL INSTALLATION
TYPICAL FIELD WIRING
THERMOSTAT
SEALOPENING(S) WITH
PERMAGUM OR EQUIVALENT
TO INDOORCOIL
TO FURNACEOR
AIR HANDLER
TERMINALBLOCK
NEC CLASS 2 WIRING
NEC CLASS 1 WIRING
ALLOUTDOOR WIRING
MUST BEWEATHERPROOF.
CONTROL
ACCESS
PANEL
WEATHERPROOF
DISCONNECT
SWITCH
MINIMUM 24” SERVICE
ACCESS CLEARANCE
ON ONE SIDE
48” OVERHEAD
CLEARANCE
10” CLEARANCE
AROUND PERIMETER
NOTE:
THERMOSTAT
INDOOR UNIT
OUTDOOR UNIT
LOW VOLTAGE TERMINALBLOCK
INAIR HANDLER WITH ELECTRIC HEAT
DEFROST
CONTROL
FIELD
INSTALLED
JUMPER
DEHUMIDIFICATION CONTROL CONNECTION
(Humidistat* Jumper must beremoved)
GND.
SCREW
CONTACTOR
T2
T1
L2
L1
M
R
LorX
Y
O
W
G
T
2
E
2
R
R
Y
Y
O
O
W2
W
W1
C
C
X/L
G
W1
BK
GND.
LUG
CIRCUIT
BREAKER***
POWER WIRING
24V CONTROLWIRING
(NEC CLASS 2)
JUMPER TERMINALS EAND WTO HEAT
ON FIRST STAGE DURING EMERGENCY HEAT.
TERMINALNOT USED ONALL THERMOSTATS.
POWER WIRING
208/230-1-60
230-1-50
CHECK THE LOW VOLTAGE TERMINAL BLOCKON THE INDOOR UNIT FORTHE ACTUALARRANGEMENT OFTHE TERMINALS.
CONNECT POWER WIRINGTO TERMINALBLOCK 3TB ON UNITS WITHOUT ELECTRICHEATOR CIRCUIT BREAKER.
BorC
ALL FIELD WIRING TO BE IN ACCORDANCE WITH ELECTRIC CODE (NEC) AND/OR LOCAL CODES
RED
BLK
YEL
ORG
BRN
PUR
WHT
CC
GRY
/66
GRAY FOR USE WITH OPTIONALOUTDOOR THERMOSTATKITS.
5
1
2
3
4
5
1
3,4