York TCHD18 THRU 60 Accessories, Sound Power Ratings, Typical Installation, Typical Field Wiring

ACCESSORIES

Refer to Price Manual for specific model numbers.

Hard Start Kit - Required when using TXV indoor coil. Also, provides increased starting torque for areas with low voltage.

Model	Start Kit Numbers
18, 24, 30, 60	S1-2SA06704006
36	S1-2SA06715006
48	S1-2SA06708006

Off Cycle Timer Delay - Provides a 5-minute off cycle to pre- vent rapid recycling of the compressor.

556454-YTG-A-0210

Thermostats - Compatible thermostat controls are available through accessory sourcing. For optimum performance and installation, refer to the UPGNET “Low Voltage Wiring Diagram” document to select and apply controls.

SOUND POWER RATINGS*

UNIT MODEL	(dBA)
18	67
24	68
30	71
36	71
42	71
48	71
60	71

* Rated in accordance with ARI 270-95 Standards.

TYPICAL INSTALLATION

	MINIMUM 18” SERVICE	THERMOSTAT
	ACCESS CLEARANCE
	ON ONE SIDE
	WEATHERPROOF
	DISCONNECT
	SWITCH
		NEC CLASS 1 WIRING
6” CLEARANCE
AROUND PERIMETER
		TO FURNACE OR
		AIR HANDLER
		TERMINAL BLOCK
		NEC CLASS 2 WIRING
		TO INDOOR COIL
NOTE:
ALL OUTDOOR WIRING	CONTROL
MUST BE WEATHERPROOF.	ACCESS	SEAL OPENING(S) WITH
	PANEL	PERMAGUM OR EQUIVALENT

TYPICAL FIELD WIRING

ALL FIELD WIRING TO BE IN ACCORDANCE WITH ELECTRIC CODE (NEC) AND/OR LOCAL CODES

POWER WIRING

208/230-1-6024 VOLT CONTROL WIRING MINIMUM 18 GA. WIRE

(NEC CLASS 2)

POWER WIRING CONTROL WIRING FACTORY WIRING

CONTACTOR

TERMINALS

GND.

LUGCOIL

CONDENSING UNIT

FURNACE OR AIR HANDLER TERMINAL BLOCK

C Y R G W

* TERMINAL W IS ONLY REQUIRED ON SYSTEMS WITH HEAT.

*

Y R G W

ROOM THERMOSTAT

ALL OUTDOOR WIRING MUST BE WEATHERPROOF. USE COPPER CONDUCTORS ONLY.

Johnson Controls Unitary Products 17