Weil-McLain 2 Series Manual page 7

series
GV90+
Prepare boiler location
Foundation
Provide a solid brick or concrete foundation pad if any of the following
is possible:
• When the floor can become flooded.
• When the boiler mounting area is not level.
• When a high-profile condensate pump is used, provide a foundation
high enough that the GV90+ condensate connection is at least as high
as the condensate pump inlet connection.
Figure 3 Minimum foundation dimensions (inches)
Boiler model W
GV90+3 / GV90+4 16 30¾
GV90+5 / GV90+6 16 37¾
* Increase height if needed to ensure
condensate trap outlet is above inlet
of condensate pump, when used.
Residential garage installation
Precautions
Take the following special precautions when installing the boiler in a
residential garage. If the boiler is located in a residential garage, per
ANSI Z223.1/NFPA 54, paragraph 5.1.9:
• Mount the boiler a minimum of
garage to assure the burner and ignition devices will be no less than
18 inches above the floor.
• Locate or
protect the boiler
vehicle.
Minimum clearances
You can install GV90+ boilers in spaces smaller than
ure 2, page 6
smaller than shown in Figure 4.
Installations with clearances less than shown in
ure 2, page 6 must have air openings sized and located as
shown in Figure 4.
• Always provide at least screwdriver clearance to jacket front panel
screws for removal of front panel for inspection and minor service.
• If the boiler
cannot be serviced in place
and isolation valves so it can be slid out of the space and serviced in
an adjacent area.
• The space has to be equipped with a door so boiler can be accessed,
unpiped and removed.
Part number 550-143-010/1021
gas-fired water boiler – boiler manual
2
L H *
2
2
18 inches above the floor
so it cannot be damaged by a moving
recommended service clearances, but never
, pipe the boiler with unions
(continued)
Minimum clearances — when
Figure 4
clearances are less than recom-
mended service clearances of
ure 2, page
A Area adjacent to access door must be accessible
and must allow for removal of the GV90+boiler
for service.
No other appliance or air mover (exhaust fan,
etc.) may be mounted in the same space.
B Access DOOR with fresh air openings.
C Provide (2) Fresh air openings — Each with at
least 1 sq. inch per 1,000 Btuh of boiler input.
of the
Fig-
NOTICE SPECIAL REQUIREMENTS
FOR AIR OPENINGS
with clearances less than recommended
Fig-
service clearances
but
— An access door must be provided,
fitted with two air openings as shown
in Figure 4. Each opening must have a
free area no less than 1 square inch per
1000 Btuh input of the GV90+ boiler in
the space.
ing sizes given in
Figure 60, page 50
Fig-
6, install as shown below:
: For installations
(Figure 2, page
no less than shown in Figure 4
DO NOT apply the air open-
Figure 42, page 36
.
6),
or
7