Carrier 48TJ016-028 specifications Field Control Thermostat Wiring, Thermostat Assembly

OPTIONAL NON-FUSED DISCONNECT -- On units with

the optiomfl non-fused disconnect, incoming power will be wired into the disconnect switch. Refer to Fig. 16 for wiring

for 100 and 200 amp disconnect switches. Units with an MOCP under 100 will use the 100 amp disconnect switch.

Units with an MOCP over 100 will use the 200 amp discon- nect switch. Refer to the applicable disconnect wMng diagram.

To prevent breakage during shipping, the disconnect handle and shaft are shipped and packaged inside the unit control box. Install the disconnect handle before unit operation. To install

the handle and shaft, perform the following procedure:

1.Open the control box door and remove the handle and shaft from shipping location.

2.Ix_osen the Allen bolt located on the disconnect switch. The bolt is located on the square hole and is used to hold the shaft in place. The shaft cannot be inserted until the Allen bolt is moved.

3.Insert the disconnect shaft into the squae hole on the dis- connect switch. The end of the shaft is specially cut and the shaft can only be inserted in the correct orientation.

4.Tighten the Allen bolt to lock the shaft into position.

5.Close the control box dool:

6.Attach the handle to the external access door with the two

screws provided. When the handle is in the ON position, the handle will be vertical. When the handle is in the OFF

position, the handle will be horizontal.

7.Turn the handle to the OFF position and close the dool: The handle should fit over the end of the shaft when the door is closed.

8.The handle must be in the OFF position to open the con- trol box dool:

OPTIONAL CONVENIENCE OUTLET-- On units with

optiomfl convenience outlet, a 115-v GFI (ground fault inter- rupt) convenience outlet receptacle is provided for field wiring. Field wiring should be run through the 7Is-in. knockout pro-

vided in the basepan near the return air opening.

THERMOSTAT ASSEMBLY

Lu	q	z	cc	o	_,	cc		I
cc	m	a_	Z	_	m	Z
			o			m
Fig. 15 --Field Control Thermostat Wiring
	UNIT WIRING				6T3	4T2	2T1	LOAD
lO0	BLK,	YEL.	BLU.
AMP				I
[ NON_:EPDOWDEIRsCONNE_T	_--	_	_ OA:	'
I	;_ ;__T2Ej
FIELD		POWER	SUPPLY		5L3	3L2	1L1	LINE
	UNIT WIRING
200	BLK.	YEL.	BLU,
AMP	4--+--t--- '
[ NON FUSED DISCONNECT	__i _i_		Lli E j
FIELD		POWER	SUPPLY

NOTE: The disconnect takes the place of TB-1 as shown on the unit wiring diagram label and the component arrangement label.

Fig. 16- Optional Non-Fused Disconnect Wiring

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