Chapter ii heater installation – Mr. Heater MH25LP User Manual
Page 5
E5
Installation instructions and Owner’s Manual
Model # MH25NG/LP
HS25NG/LP
CHAPTER II
HEATER INSTALLATION
1. GENERAL INSTALLATION INFORMATION
AND REQUIREMENTS
• The required minimum clearances to combustible
surfaces are illustrated in Figure 2 and Table 3.
As shown on Figure 2, the front of the heater is
installed at the minimum required clearance to
combustible surfaces and toward open space,
and then the other sides must have a minimum
clearance of 16 inches to combustible surfaces.
EXHAUST
VENT
CEILING
14”
MINIMUM
16”
MINIMUM
48”
MINIMUM
OPEN
WORKSHOP DOOR
HEATER
WALL BRACK-
ET
16”
MINIMUM
14-1/2”
FLOOR LINE
30
1.
ONLY FLUE SIDE OF HEATER CAN
BE ELEVATED (30
o
).
2.
HEATER SIDE REFLECTOR MUST
BE HORIZONTAL.
NOTE:
Figure 2. Installation Clearances to Combustible Surfaces
Table 3. Installation, Ventilation and Mounting Information
BTU/HR. RATING
NORMAL
MODEL
GAS
MOUNTING
CLEARANCES TO COMBUSTIBLE SURFACES
NO.
NAT.
L.P.
POSITION
TOP
SIDES
BACK
BELOW
MH/HS25NG 25,000 —
30
o
14”
16”
16”
48”
MH/HS25LP
—
22,000
30
o
14”
16”
16”
48”