Typical Installation; Sound Power Ratings; Typical Field Wiring - York THGD18 Technical Manual

ACCESSORIES
Refer to Price Manual for specific model numbers.
Start Assist Kit (2SA067*)
Blower Time Delay - Available to increase efficiency when
installed. Installs on indoor section and maintains blower for
approximately one minute after cooling thermostat has been
satisfied.
Hard Start Kits - Provides required starting torque for use
with Thermal Expansion Valve Kit.
Low Temperature Cutout (2LT06700224) - Prevents heat
pump operation below -10°F ambient temperature.
Compressor Blanket - Designed to further reduce the nor-
mal operating sound.
Add-on Fossil Fuel Control - Interface controls for use with
gas, oil furnaces and the heat pump system are available.
Thermal Expansion Valve Kit - 1TVM Series TXV kit used to
improve system performance.
Outdoor Thermostat (2TD06700124) - Provides additional
staging of supplemental electric heat.

TYPICAL INSTALLATION

10" CLEARANCE
AROUND PERIMETER
NOTE:
ALL OUTDOOR WIRING
MUST BE WEATHERPROOF.

TYPICAL FIELD WIRING

ALL FIELD WIRING TO BE IN ACCORDANCE WITH ELECTRIC CODE (NEC) AND/OR LOCAL CODES
POWER WIRING
208/230-1-60
GND.
LUG
CONDENSING UNIT
ALL OUTDOOR WIRING MUST BE WEATHERPROOF. USE COPPER CONDUCTORS ONLY.
Johnson Controls Unitary Products
48" OVERHEAD
CLEARANCE
24 VOLT CONTROL WIRING
MINIMUM 18 GA. WIRE
(NEC CLASS 2)
CONTACTOR
TERMINALS
COIL
Room Thermostats - A wide selection of matching thermo-
stats is available to provide features required for any installa-
tion.
2H/1C, manual changeover electronic non-programmable
thermostat.
3H/2C, non-programmable digital thermostat.
3H/2C, auto/manual changeover, electronic programmable,
7-day, hardwire thermostat.
* For the most current accessory information, refer to the
price book or consult factory.

SOUND POWER RATINGS

UNIT MODEL
018
024
030
036
042
048
060
* Rated in accordance with ARI 270-95 Standards.
MINIMUM 24" SERVICE
ACCESS CLEARANCE
THERMOSTAT
ON ONE SIDE
WEATHERPROOF
DISCONNECT
SWITCH
NEC CLASS 1 WIRING
CONTROL
ACCESS
SEAL OPENING(S) WITH
PANEL
PERMAGUM OR EQUIVALENT
FURNACE OR AIR HANDLER TERMINAL BLOCK
C Y R G
R
Y G
ROOM THERMOSTAT
365147-YTG-C-0608
(dBA)*
Cooling
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TO FURNACE OR
AIR HANDLER
TERMINAL BLOCK
NEC CLASS 2 WIRING
TO INDOOR COIL
POWER WIRING
CONTROL WIRING
FACTORY WIRING
W
*
TERMINAL W IS ONLY
REQUIRED ON SYSTEMS
WITH HEAT.
*
W
Heating
TBD
TBD
TBD
TBD
TBD
TBD
TBD
15