Carrier 48TJ016-028 - Manual (Page 12)

OPTIONAL NON-FUSED DISCONNECT — On units with
the optional 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 wiring diagram.
To prevent breakage during shipping, the disconnect handle
and shaft aie 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. Loosen the Allen bolt located on the disconnect switch.
Tlie bolt is located on the square hole and is used to hold
the shaft in place. Tlie shaft cannot be inserted until the
Allen bolt is moved.
3. Insert the disconnect shaft into the sqiuu'e 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 door.
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 tlie OFF
position, the handle will be horizontal.
7. Turn tlie handle to the OFF position and close the door.
Tlie 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 door.
OPTIONAL CONVENIENCE OUTLET--On units with
optiontil convenience outlet, a 115-v GFI (ground fault inter-
rttpt) convenience outlet receptacle is provided tor field wiring.
Field wiring should be nm through the Vs-in. knockout pro­
vided in the basepan near the return air opening.
THERMOSTAT ASSEMBLY
Fig. 15 — Field Control Thermostat Wiring
6T3 4T2 2Tl LOAD
#11®
■ “È
PI P Pi
5L3 3L2 1L1 LINE
□ □ □
'^N N N
OHO
2 4 E
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
12