_
Technical
GAS UNITS
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_:_bic=lo.s
KITS AND ACCESSORIES
Litho U,S.A,
©1997 Lennox
industries
inc.
Datlas, Texas
503,771M
10/97
FURNACE TRANSITION
KIT
INSTALLATION
INSTRUCTIONS
FOR FURNACE
TRANSITION
KIT CAT# 16L44
(LB-93421A),
AND CAT# 16L45 (LB-93422A)
USED WHEN CONVERTING
FROM GSR14
UNITS TO GHR26
UNITS (HORIZONTAL)
Package 1 of 1 contains:
1 -
Insulated supply air transition
1 -
Insulated
return air transition
4-
Base rails
1 -
Base brace
16 - #8 sheet metal screws
1 -
Roll of adhesive-backed
foam tape (1/8" thick x
5/16" wide)
Check all components
for shipping
damage. Consult
last carrier immediately
if damage is found.
Table 1 shows furnace transition
kit usage. These kits
are
used
when
replacing
an
existing
GSR14
horizontal
furnace with a GHR26 horizontal
furnace, tt
allows
installation
of the GHR26 furnace
without
modification
of the existing
supply
and return
air
plenums.
Note - GHR26 units can only be installed left side
discharge when using these transition kits.
Note - Some GSR14 units may have been installed
with little or no clearance to the unit's top side. Since
the GHR26 unit's vent exits this side, interference
may
be
encountered,
ff it
is, field
fabricated
transitions may be required.
Refer to figure 1 for typical GSR14 installation.
1 - Set the thermostat
to the lowest setting.
2 - Disconnect
electrical
power to GSR14 unit.
3-
Shut off gas to GSR14 unit.
4 - Disconnect
supply and return air plenums.
5 - Remove control access panel,
6 - Cut combustion
air intake pipe and exhaust pipe
in
location(s)
which
will
allow
convenient
reconnection
of pipes
to GHR26 unit,
and/or
removal
of
muffler(s)
(if
installed),
Remove
muffler(s)
(if
installed).
Support
intake
and
exhaust
pipes to prevent damage to pipe joints,
7 - Cut condensate
drain line in a location which will
allow convenient
reconnection
with GHR26 unit.
8 - Disconnect
gas line at unit.
9 -
Disconnect
power wiring
at unit,
10 -Disconnect
low voltage wiring
at unit.
11 -Remove
blower
access panel.
12 -Remove
filter from inside of unit (if present) and
disconnect
return air plenum at unit.
Note - Existing
GSR14Q4/5-80/100
filter can be
used in GHR26Q4/5-100
units.
13 -Remove
GSR14 unit.
TABLE 1
GSR14
CABINET WIDTH
GHR26
CABINET WIDTH
KIT CAT# (LB#)
inches (mm)
inches (mm)
Q3-50
21-1/4 (540)
Q2/3-50
16-1/4 (413)
16L44 (LB-93421A)
Q3-80
2t-1/4 (540)
Q3-75
t6-1/4 (413)
16L44 (LB-93421A)
Q4/5-80
21-1/4 (540)
Q4/5-100
21-1/4 (540)
16L45 (LB-93422A)
Q4/5-t00
21-1/4 (540)
Q4/5-100
21-1/4 (540)
16L45 (LB-93422A)
Note - There is no direct replacement
for GSR14Q4-50
unit with a GHR26 unit.
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