14
McQuay IM 987
Mechanical Installation
Mechanical Installation
Note:
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.
Receiving Inspection
When the equipment is received, all items should be carefully
checked against the bill of lading to be sure all crates and
cartons have been received.
If the unit has become dirty
during shipment (winter road chemicals are of particular
concern), clean it when received.
All units should be inspected carefully for damage when
received. Report all shipping damage to the carrier and file a
claim. In most cases, equipment ships F.O.B. factory and
claims for freight damage should be filed by the consignee.
Before unloading the unit, check the unit nameplate to make
sure the voltage complies with the power supply available.
Unit Clearances
Service Clearance
Allow an approximate service clearance as indicated in
Figure 14
. Also, McQuay recommends providing a roof
walkway to the rooftop unit as well as along two sides of the
unit that provide access to most controls and serviceable
components.
Figure 14: Service Clearances, Unit with Housed DWDI Supply Fan
CAUTION
Sharp edges on sheet metal and fasteners can cause personal
injury.
This equipment must be installed, operated, and serviced only
by an experienced installation company and fully 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.
Содержание RAH 047C
Страница 70: ...70 McQuay IM 987 Wiring Diagrams Figure 78 VAV Control Inputs Schematic continues on next page ...
Страница 71: ...McQuay IM 987 71 Wiring Diagrams Figure 79 VAV Control Inputs Continued Schematic continues on previous page ...
Страница 74: ...74 McQuay IM 987 Wiring Diagrams Figure 82 VFD Control SAF and RAF Schematic continues on next page ...
Страница 104: ...104 McQuay IM 987 Final Control Settings Figure 117 Keypad Accessible Menu Structure ...
Страница 105: ...McQuay IM 987 105 Final Control Settings Figure 118 Keypad Accessible Menu Structure Continued ...
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