York STELLAR PLUS E*FH018 - Installation and Wiring; Installation Overview; Field Wiring Diagrams

036-21031-004 Rev. A (0603)
Unitary Products Group 9
TYPICAL INSTALLATION
TYPICAL FIELD WIRING - (AIR HANDLER / ELECTRICAL HEAT)
THERMOSTAT
TO
INDOOR
BLOWER
TO COIL
NEC
CLASS 2
WIRING
NEC
CLASS 1
WIRING
TO
POWER
SUPPLY
WEATHERPROOF
DISCONNECT
SWITCH
Seal opening(s) with permagum
or equivalent
24” SERVICE ACCESS
CLEARANCE
48” OVERHEAD
CLEARANCE
12” REAR AND
SIDES
NOTE: All outdoor wiring must be weatherproof
THERMOSTAT
O
R
Y
W
G
O
R
C
Y
G
S1*
S2*
O
R
Y
ALL WIRING TO BE ACCORDANCE WITH NATIONAL CODE AND/OR LOCAL CODES.
INDOOR UNIT
ELECTRIC HEATER ACCESSORY
3
XorL
BorC
2
TERMINAL NOT USED ON ALL THERMOSTATS.
OUTDOOR
UNIT
POWER WIRING
24V CONTROL WIRING (NEC CLASS 2)
POWER WIRING
208/230-1-60
CONTACTOR
GND.
SCREW
GND.
LUG
CIRCUIT
BREAKER
4
3
FOR TYPICAL FIELD WIRING WITH N*VS VARIABLE
SPEED AIR HANDLER, SEE N*VS INSTRUCTIONS.
4
CONNECT POWER WIRING TO TERMINAL BLOCK
ON UNITS WITHOUT ELECTRIC HEAT OR UNITS
WITHOUT A CIRCUIT BREAKER.
T2
T1
L2
L1
M
W2
W1
W
W2/60
W1/66
BorC
XorL
BONNET SENSOR
CONNECTIONS FOR
ADD-ON SYSTEM.
*
POWER WIRING
208/230-1-60