Lennox 31M77 User manual

505,165M
*P505165M*
10/12
*2P1012* Page 1
INSTALLATION INSTRUCTIONS FOR GFI KIT (LB−101063A, C & D; 31M77, 74M70 & 67E01)
USED ON PACKAGED LG/LC/LH/TG/TC/TH/KG/KC/KH SERIES UNITS
Litho U.S.A.
505,165M
10/2012
Supersedes 1/2008
E20012
GFI RECEPTACLE KIT
PACKAGED UNITS KITS
AND ACCESSORIES
Shipping and Packing List
LB−101063A; 31M77
Package 1 of 1 contains:
1− GFI Receptacle J117
1− Receptacle flip−cover
1− Handy box
1− Bag assembly containing:
4−#6−16 X 1/2 TFS Screws
2−#6−32 X 1/2 TFS Screws
LB−101063C & D; 74M70 & 67E01
Package 1 of 1 contains:
1− GFI Receptacle J117
1− Handy box
1− L Bracket
1− Bag assembly containing:
4−#10−32 X 1/2 TFS Screws
Application
The GFI Kit is used as follows:
31M77 − LG/LC/LH 036−072
74M70 & 67E01 − LG/LC/LH 090−360 and
TG/TC/TH/KG/KC/KH 024−300S
WARNING
Improper installation, adjustment, alteration, ser-
vice or maintenance can cause property damage,
personal injury or loss of life. Installation and ser-
vice must be performed by a qualified installer, ser-
vice agency or the gas supplier
CAUTION
Danger of sharp metallic edges. Can cause injury.
Take care when servicing unit to avoid accidental
contact with sharp edges.
Installation
1− Disconnect all power to unit.
2− A Box LG/LC/LH 036−072 Units −
Remove and discard lower patch plate on mullion to
the left of the compressor section.
A Box TG/TC/TH/KG/KC/KH 024−072 Units −
Open or remove compressor access panel.
B Through D Box 090−360 Units −
Open or remove compressor access panel.
3− B Box 090−150 Units − NO Wiring Make−Up Box −
Use L−Bracket to mark and drill holes on unit mullion
as shown in figure 1. Install L−Bracket on inside of
mullion. Secure bracket from outside of unit.
4− C Box 156−300S Units − NO Wiring Make−Up Box −
Use L−Bracket to mark and drill holes on unit mullion
as shown in figure 2. Install L−Bracket on inside of
mullion. Secure bracket from outside of unit.
Note − Discard L−bracket when unit has a wiring make−up
box or when installing TG/TC/TH/KG/KC/KH 024−072 units.
B BOX UNITS (090 THROUGH 150)
NO WIRING MAKE−UP BOX
FIGURE 1
SEAL
WATERTIGHT
ROUTE WIR-
ING IN FIELD
PROVIDED
CONDUIT
GFI IN
HANDY
BOX
29"
(737mm)
L−BRACKET

Page 2
C BOX UNITS (156 THROUGH 300S)
NO WIRING MAKE−UP BOX
FIGURE 2
SEAL
WATERTIGHT
ROUTE WIR-
ING IN FIELD
PROVIDED
CONDUIT
GFI IN
HANDY
BOX
10"
(254mm) L−BRACKET
5− Install handy box in location as follows:
Figure 3 LG/LC/LH A Box units
Figure 4 TG/TC/TH/KG/KC/KH A Box units
Figure 5 B Box units with wiring make−up box
Figure 1 B Box units NO wiring make−up box
Figure 6 C Box units with wiring make−up box
facing the front of unit
Figure 2 C Box units NO wiring make−up box
Figure 7 C and D Box units with wiring make−up
box facing the side of the unit.
Note − Use #6 screws to secure handy box to LG/LC/LH
036−072 units and #10 screws to secure handy box in all
other units.
6− Route field−provided wiring through conduit and
appropriate knock−out in handy box. Connect wires to
terminals on back of GFI receptacle according to
wiring diagram on unit and local codes.
7− Secure GFI receptacle to handy box with 2 screws
provided with receptacle.
8− LG/LC/LH A box Units −
Install receptacle flip−cover over GFI receptacle on
outside of unit. Secure with 4 #6 screws.
LG/LC/LH/TG/TC/TH/KG/KC/KH A, B, C, & D Box
Units −
Install GFI faceplate on receptacle; screws and
faceplate are packaged with the receptacle.
FIGURE 3
SEAL
WATERTIGHT
LG/LC/LH A BOX UNITS (036 − 072)
GFI RECEPTACLE
ROUTE WIRING IN FIELD−
PROVIDED CONDUIT
HANDY BOX
INSTALL HANDY BOX
ON INSIDE OF UNIT;
SECURE FROM OUTSIDE
TG/TC/TH/KG/KC/KH A BOX UNITS (024−072)
FIGURE 4
ROUTE WIRING IN FIELD−
PROVIDED CONDUIT
GFI IN
HANDY BOX
SEAL
WATERTIGHT

Page 3
B BOX UNITS (090 THROUGH 150)
WITH WIRING MAKE−UP BOX
FIGURE 5
SEAL
WATERTIGHT
ROUTE WIR-
ING IN FIELD
PROVIDED
CONDUIT
GFI IN
HANDY
BOX
C BOX UNITS (156 THROUGH 300S)
WITH WIRING MAKE−UP BOX FACING UNIT FRONT
FIGURE 6
ROUTE WIRING IN FIELD
PROVIDED CONDUIT
SEAL
WATERTIGHT
GFI
C AND D BOX UNITS (156 THROUGH 360)
WITH WIRING MAKE−UP BOX FACING UNIT SIDE
FIGURE 7
SEAL
WATERTIGHT
RUN FIELD WIR-
ING IN FIELD
PROVIDED
CONDUIT
GFI IN
HANDY
BOX