Lochinvar WH 55-399 Installation & Operation Manual page 8

1
Determine boiler location
Figure 1-1 Closet Installation - Minimum Required Clearances
1" MINIMUM CLEARANCE
AROUND VENT PIPE
BOTTOM
0" MINIMUM
RECOMMENDED SERVICE CLEARANCES:
FRONT: 24"
BOTTOM: 24"
LEFT SIDE: 24"
Figure 1-2 Alcove Installation - Minimum Required Clearances
1" MINIMUM CLEARANCE
AROUND VENT PIPE
BOTTOM
0" MINIMUM
RECOMMENDED SERVICE CLEARANCES:
FRONT: 24"
BOTTOM: 24"
LEFT SIDE: 24"
8
TOP
LEFT
6" MINIMUM
0" MINIMUM
1" MINIMUM CLEARANCE
AROUND HOT WATER PIPES
TOP
6" MINIMUM
LEFT
0" MINIMUM
1" MINIMUM CLEARANCE
AROUND HOT WATER PIPES
WARNING
*
VENTILATING
AIR OPENING
6"
RIGHT
0" MINIMUM
CLOSED DOOR
6"
VENTILATING
AIR OPENING
FRONT
*
6" MINIMUM
AREA OF EACH OPENING:
1 SQ. INCH PER 1000 BTU PER HOUR INPUT
WITH A MINIMUM OF 100 SQ. INCHES.
Note: Service clearances are recommendations only.
WARNING For alcove installations, CPVC or
RIGHT
0" MINIMUM
OPEN FRONT
FRONT
6" MINIMUM
Note: Service clearances are recommendations only.
Installation & Operation Manual
For closet installations, CPVC or
stainless steel vent material MUST
BE used in a closet structure due to
elevated temperatures. Failure to
follow this warning could result in
fire, personal injury, or death.
*
stainless steel vent material MUST
BE used in an alcove structure due
to elevated temperatures. Failure
to follow this warning could result
in fire, personal injury, or death.