International comfort products N8MXL Installation Instructions Manual page 20

NOTE: The J−Box cover need not be removed from the
J−Box in order to move the J−Box. Do NOT remove green
ground screw inside J−Box.
2. Cut wire tie on loop in furnace wires attached to J−box.
3. Move J−Box to desired location.
4. Fasten J−Box to casing with two screws removed in
Step 1.
5. Route J−Box wires within furnace away from sharp
edges, rotating parts and hot surfaces.
ELECTRICAL CONNECTION TO J−BOX
Electrical Box on Furnace Casing Side
WARNING
!
FIRE OR ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
injury, death, or property damage.
If field−supplied manual disconnect switch is to be
mounted on furnace casing side, select a location
where a drill or fastener cannot damage electrical or
gas components.
1. Select and remove a hole knockout in the casing
where the electrical box is to be installed.
NOTE: Check that duct on side of furnace will not interfere
with installed electrical box.
2. Remove the desired electrical box hole knockout and
position the hole in the electrical box over the hole in
the furnace casing.
3. Fasten the electrical box to casing by driving two field
supplied screws from inside electrical box into casing
steel.
4. Remove and save two screws holding J−Box.
5. Pull furnace power wires out of 1/2−in. (12 mm) diamet-
er hole in J−Box. Do not loosen wires from strain−relief
wire−tie on outside of J−Box.
6. Route furnace power wires through holes in casing and
electrical box and into electrical box.
7. Pull field power wires into electrical box.
8. Remove cover from furnace J−Box.
9. Route field ground wire through holes in electrical box
and casing, and into furnace J−Box.
10. Reattach furnace J−Box to furnace casing with screws
removed in Step 4.
11. Secure field ground wire to J−Box green ground screw.
12. Complete electrical box wiring and installation. Connect
line voltage leads as shown in Figure 26. Use best
practices (NEC in U.S. for wire bushings, strain relief,
etc.
13. Reinstall cover to J−Box. Do not pinch wires between
cover and bracket.
20
FACTORY
INSTALLED
LOCATION
Figure 24 − Field−Supplied Electrical Box on Furnace
Specifications are subject to change without notice.
Figure 23 − Relocating J−Box
Casing
ALTERNATE
FIELD
LOCATION
A10141
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