Low Temperature Applications Below Freezing (32°F Or 0°C) - NuTone GSEH3K Installation Instructions Manual

6. INSTALL THE UNIT
6.11 L T
OW EMPERATURE
6.11.1 B
LANKET
If fabricating an insulation blanket, use a 2" thick hot
water heater blanket cut as shown.
Wrap the unit as shown. Make sure that all joints are fully sealed to prevent cold air penetration between the insulation and the unit.
NOTES: 1. Holes must be done in the insulation blanket
to allow drain line installation for model
GSHH3K only.
2. MAKE SURE to use excess insulation to
cover the top of unit and its ports.
6.11.2 D B
UCT OARD
If fabricating an enclosure from 2" fiberglass duct board,
make sure that the enclosure is thightly sealed.
When possible have the waste disposal point within the
confines of the enclosure to expedite water removal (for
GSHH3K model only).
(CONT'D)
A B
PPLICATIONS ELOW
I
NSULATION
I
NSULATED ENCLOSURE
F (32°F
REEZING OR
27
24
Rectangular
Door
Insulation
48
17
VR0001A
1
Heat
tape around
drain
VR0002
Insulated
ducts
Hose
clamp
Heat
tape on
Remove
drain
some attic
line
insulation to
allow heat into
enclosure
from building
below
VH0044
C
UT AWAY VIEW WITH THE DUCT BOARD ENCLOSURE DOOR REMOVED
- 25 -
0°C)
( ' )
CONT D
75
27
Cut slots
19
1
2
inches
2
0
Bend UP 90
T-Shaped
Cabinet
24
Insulation
Wrap
1 3
23
2 4
3
58
4
2 3
1
20
5
8
8
1
17
2
Waste
drain
2" Thick
ductboard
Hose
clamp
Optional
drain
pan
Attic
insulation
.