A SH / S-TRAC MANUAL
9 of 29 Feb 06
MINIMUM CLEARANCE FOR SERVICE AND TO COMBUSTIBLES IN INCHES (mm)
COMBUSTIBLE CLEARANCE SERVICE CLEARANCE
MODEL
TOP FRONT BACK SIDE BOTTOM* FLUE
OPPOSITE
BURNER
SIDE
SERVICE/
BURNER
SIDE
CONTROL
PANEL
SH
24"
(610)
6"
(152)
6"
(152)
6"
(152)
0
9"
(229)
NA 24" (610)
42" (1067)
* 6” (152) clearance from bottom of the tank compartment.
For Safety and Service, the minimum clearances must be observed. Minimum clearances also provide
adequate combustion air supply.
LIFTING
When shipped for field installation, the SH is shipped on a skid. The SH humidifier will be packed inside a
shipping crate suitable for moving with a fork truck. Place the humidifier at its desired location, and then
remove the crating and shipping material.
Stand alone or packaged outdoor installations will have the SH humidifier mounted inside a weather tight
enclosure, designed for curb mounting. The enclosure is constructed on a structural steel base frame.
The unit base frame is equipped with lifting lugs specifically located to facilitate proper lifting of the unit.
Spreader bars must be used to keep rigging away from the unit cabinetry. All lifting lugs must be used. If
using a lift truck, ONLY lift using the perimeter structural frame. DO NOT allow forks to lift on cabinet or
unit floor.
Note: There may be bottom mounted components, such as drain piping , that can be easily damaged.
Warning:
m
Injury or death can result from improper rigging and lifting. Rigging and
lifting of equipment must be performed by qualified personnel with proper
equipment using appropriate and approved safety precautions.
MOUNTING
Units must be mounted level. Failure to do so can cause water to be trapped in drain pans or operational
problems that can void warranty. Failure to do so can result in injury or death, damage the equipment
and/or building and can be a cause of poor indoor air quality.
Equipment must be installed so that sufficient working clearance and component access is provided.
Base mounting – Unless the unit is specifically designed for point mounting, the base of the unit must be
supported continuously by a mounting support system that is directly below the unit structural base frame
and runs the entire length and width of the unit.
Roof curb mounting – The curbs are constructed of heavy gauge load bearing, galvanized steel, and must
be fully insulated after installation. Wood nailer strips are provided for easy attachment of roof flashing.
Gasket material is supplied with the unit and must be field mounted on the curb to seal the joint between
the curb and the unit frame. The curb must be supported along its entire perimeter and any full height cross
members as shown on the shop drawings. Point loading of curbs is not permissible.
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