Typical Installation - York E*BA-F018 THRU 060 Technical Manual

036-21318-002 Rev. A (0106)

TYPICAL INSTALLATION

60" OVERHEAD
CLEARANCE
10" CLEARANCE
COIL AREA
NOTE: ALL OUTDOOR WIRING
MUST BE WEATHERPROOF.
TYPICAL FIELD WIRING - 1 PH
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
2
T
2
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)
4
5
10
MINIMUM 24" SERVICE ACCESS
CLEARANCE ON ONE SIDE
THERMOSTAT INDOOR UNIT
LOW VOLTAGE TERMINAL BLOCK
IN AIR HANDLER WITH ELECTRIC HEAT
R
C
Y
O
W2
G
1
FIELD
W1
INSTALLED
JUMPER BK
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.
CONNECT POWER WIRING TO TERMINAL BLOCK 3TB ON UNITS WITHOUT ELECTRIC HEAT OR CIRCUIT BREAKER.
GRAY FOR USE WITH OPTIONAL OUTDOOR THERMOSTAT KITS.
THERMOSTAT
WEATHERPROOF
DISCONNECT
SWITCH
CONTROL ACCESS PANEL
OUTDOOR UNIT
3,4 DEFROST
CONTROL
RED
R
BLK
C
YEL
Y
ORG
O
BRN
W
PUR
X/L
WHT
/66
W1
5
GRY
CC
TO FURNACE OR
AIR HANDLER
TERMINAL BLOCK
NEC CLASS 1 WIRING
NEC CLASS 2 WIRING
TO INDOOR COIL
SEAL OPENING(S) WITH
PERMAGUM OR EQUIVALENT
CONTACTOR
T2 T1
M
GND.
L2 L1
SCREW
POWER WIRING
208/230-1-60
230-1-50
Unitary Products Group