Reznor ADFH Unit Installation Manual - Manual (Page 7)

Form I-ADF, P/N 131805 R5, Page 7
Mounting is the responsibility of the installer.
Depending on the building and its use, determine whether or not additional field mea-
sures should be taken to reduce the effect of blower vibration and/or noise. Determin-
ing the need for and installing vibration isolation is the responsibility of the installer.
When selecting a location for an outdoor installation, position the unit so that the air
inlet will NOT be facing into the prevailing wind.
Prior to installation, be sure that the method of support is in agreement with all local
building codes. For both indoor and outdoor installations, check for service platform
requirements.
5. Mounting
5.1 Weights Verify that the supporting structure has sufficient load-carrying capacity to support the
weight.
NOTE: Net weights are approximate for the standard cabinet, blowers, and base.
Optional equipment is not included and can add substantial weight to the figure
in the table.
Net Weight - lbs (kg)
Model ADF ADF ADFH
Discharge Horizontal Vertical Vertical
Size 300 700 (318) 700 (318) 790 (358)
Size 500 775 (352) 775 (352) 885 (401)
Size 700 930 (422) 1080 (490) 1080 (490)
Size 1200 950 (431) 1100 (499) 1100 (499)
5.2 Rigging All units are mounted on a full curb cap base furnished with four lifting lugs for attaching
rigging. To prevent damage to the cabinet, use spreader bars with the rigging chains.
5.3 Mounting on
Field-Supplied
Supports
The system is equipped with a load-bearing curb cap which forms an integral part of
the unit. Whether the system is being mounted directly on a surface or being placed
"up" on additional structure, the horizontal length must be supported by two 4x4 treated
wooden rails. Refer to FIGURE 2 for the appropriate lengths and spacing. When the
system is placed on the rails, the curb cap "skirt" must fit over the edge of the boards
with the rails setting inside the horizontal length of the curb cap.
If the rails are laid directly on a surface, position them as shown in
FIGURE 2. Set the
system on the rails leaving the "ends" underneath open for ventilation.
If the wooden rails are not placed directly on a surface, cross-supports should be
placed underneath the rails at the ends and at the cabinet "joint". Refer to FIGURE 3.
IMPORTANT NOTE: Mount an outdoor unit with a minimum of 14" clearance from
the bottom of the inlet air hood to the mounting surface or a minimum of 9" service
clearance from the bottom of an evaporative cooling module to the mounting surface
(Evaporative cooling module for Sizes 700 and 1200 must be mounted. Leg height
adjusts from 9" to 16". See Paragraph 6.2.4 for additional information.)
FIGURE 2 - Placement of
Mounting Rails
A
B
4 x 4 Treated Lumber
Discharge Horizontal Vertical Both
Model ADF ADF ADFH ADF/ADFH
Dimension A (inches) B (inches)
300 85-13/16 85-13/16 109-1/2 31-1/16
500 85-13/16 85-13/16 109-1/2 44-13/16
700 92-1/8 117-1/32 117-1/32 55-13/16
1200 92-1/8 117-1/32 117-1/32 55-13/16
Dimension A (mm) B (mm)
300 39 39 50 14
500 39 39 50 20
700 42 53 53 25
1200 42 53 53 25