Installation manual

Page 14 IM-487
Mechanical Installation
The installation of this equipment shall be in accordance with
the regulations of authorities having jurisdiction and all
applicable codes. It is the responsibility of the installer to
determine and follow the applicable codes.
Unit Clearances
Service Clearance
Allow service clearance approximately as indicated in
Figure 11. Also, provide a roof walkway rooftop unit and
along at least the two sides of the unit that provide access to
most controls and serviceable components.
Figure 11. Service Clearances - Unit with Housed DWDI Supply Fan
Figure 12. Service Clearances - Unit with SWSI Plenum Supply Fan
WARNING
Sharp edges and coil surfaces can cause personal
injury. Avoid contact with them.
Installation and maintenance must be performed only by
trained and experienced personnel familiar with local
codes and regulations.
WARNING
Sharp edges on sheet metal, screws and clips can
cause personal injury.
This equipment must be installed and operated only by
experienced trained personnel.
Roof
Walkway
To Roof
Access
Location
Varies With Unit Arrangement
Refer to Certified Drawing & Note
24"
(635 mm)
X
60"
(1524 mm)
72"
(1829 mm)
72"
(1829 mm)
A
B C
D
E
C
F
Legend:
A = Return Air Section
B = Filter Section
C = Cooling Section
D = Cooling/Supply Fan Section
E = Heat Section
F = Discharge Plenum Section
D
Dimension "X"
RDS 800-802 = 90" (2286mm)
RAH 47-77 = 96" (2438mm)
Note:
Sections with heating and/or cooling coils or DWDI
supply fan must have noted service clearance on the
control box side.
Roof
Walkway
To Roof
Access
Location
Varies With Unit Arrangement
Refer to Certified Drawing & Note
96"
(2438 mm)
60"
(1524 mm)
72"
(1829 mm)
72"
(1829 mm)
A
B C
D
E
Legend:
A = Return Air Section
B = Filter Section
C = Cooling Section
D = Cooling/Supply Fan Section
E = Heat Section
F = Discharge Plenum Section
Dimension "X"
RDS 800-802 = 90" (2286mm)
RAH 47-77 = 96" (2438mm)
Note:
Sections with heating and/or cooling coils or DWDI
supply fan must have noted service clearance on the
control box side.
X