Comfort Plus
Installation
n
3.03
Installation
4100 SERIES SYSTEM REQUIREMENTS
FIGURE 3
CLEARANCES
INITIAL SET-UP
Step 1
Remove the Information Package from the
outside of the shipping box and unpackage the
Comfort Plus heating system.
Step 2
Remove the heating elements from inside the
base of the system.
Step 3
Move the system into its installation location.
The Comfort Plus is capable of fitting through
a 30" doorway (minimum) without disassem-
bling. If necessary, the 4100 series can be
disassembled for ease in moving. To disas-
semble the 4100 Series Comfort Plus, refer to
the disassembly instructions (Page A.02) for
more information.
The 3100 series can NOT be disassembled.
IMPORTANT
Risk of improper operation or equipment dam-
age. Read and follow installation instructions
carefully.
w
Remove the Comfort Plus system from its
shipping pallet before installing.
w
Leveling legs should be extended no more
than one inch.
w
DO use and follow generally accepted safety
practices when handling insulation material.
w
DO have equipment installed by a qualified
technician in compliance with all applicable
codes and regulations.
3A
FRONT VIEW
48"
2" MIN
CLEARANCE
(IN COLD AIR RETURN)
6" X 6" REGISTER
FILTER TRAY
0" REQUIRED
CLEARANCE
M
S TEFF ES
P
M
M
A
0" REQUIRED
CLEARANCE
6" MIN CLEARANCE
3B
TOP VIEW
36" MIN CLEARANCE
3" MIN CLEARANCE
DIMENSIONS
P
M
(4100 Series)
18" Standard
22
1
2
" if 1hp
Front View
29
3
16
13
3
4
± 1/4"
14±1/4
4100 Series
Top View
10
1
2
22
5
16
Electrical
Panel
26
3
16
"
28
3
16
"
20
1
4
49
7
16
" Standard
53
15
16
" if 1hp
24
3
4
" if 1hp
4140
68
5
8
"
4130
57
5
8
"
4120
46
5
8
"
25
1
16
"
24
1
4
"
Return Air Plenum
(Order Item
#1301550)
22
1
4
"
22 5/8"
Supply Air Plenum
(Factory Supplied)
44
11
16
"
8 3/8"
(± 1/4")
22 5/8"
M
A
M
S TE FFES
w
Back and Sides = 3 inches
(from combus-
tible material)
w
Bottom = 0 clearance
w
Top = 6 inches
(from combustible material)
w
Front = 36 inches
(for ease in servicing)
w
Between Duct and Left Side of System =
2 inches
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Between Duct and Right Side of System =
0 clearance
w
Outer Sides of System Ducts
(Return and
Supply)
= 0 clearance
IMPORTANT:
Return air duct
MUST NOT enter
from the front or
back of the furnace.
Upflow, downflow, or
straight return
ducting only.
3D
3C
Minimum clearance requirements may NOT account for required working space for
electrical connections.
