GLOBEAIRE RDD Manual De Instalación, Operación Y Mantenimiento página 16

WARNING
Installation, troubleshooting and parts replacement is
to be performed only by qualified personnel.
WARNING
Disconnect power before installing or servicing.
CAUTION
A fan manufactured with an explosion resistant motor
does not certify the entire unit to be explosion proof.
Installation
Typical Roof Mounting Installation
1. On the roof surface, cut an appropriate sized hole
and follow manufacturer's instructions on curb
installation. Caulk and flash the curb to ensure a
water tight seal.
Roof Curb Installation
2. If unit is equipped with a backdraft damper, it
should be installed now.
3. Remove motor cover. Access to the motor
compartment is accomplished by removing the
screws as shown in Figure 3, page 2.
4. On RDB Belt Drive fans, use the lifting lugs on the
drive frame or bearing plate to lift and place the unit
on top of roof curb. Refer to Figure 2, page 2.
5. On RDD Direct Drive fans, lift and place the unit
on top of roof curb using hooks under the lip of the
shroud. Refer to Figure 1, page 2.
6. Secure fan to curb using a minimum of eight lag
screws, metal screws or the suitable fasteners.
Shims may be required depending upon curb
installation and roofing material.z
7. Verify power line wiring is de-energized before
connecting fan motor to power source.
8. Connect power supply wiring to the motor as
indicated on the motor nameplate or terminal box
cover. Check the power source for compatibility
with the requirements of your equipment.
4 Roof Mounted Downblast Fans
9. Check fan wheel for free rotation, recenter if
necessary.
• Check wheel fastener(s) for tightness.
10. Check all fasteners for tightness.
11. Mount and wire safety disconnect switch under
motor cover. Wire control switches at ground level,
refer to Figure 4.
12. Replace motor cover.
Typical Wiring Diagram
MOTOR
SUPPLY VOLTAGE
115/208-230/60/1
J-BOX
L1
L2
Variable Speed Motor
For variable speed motor wiring, refer to the Variable
Figure 4
Speed Motor Installation, Operation and Maintenance
Manual, Document 479730 for complete wiring and
operation instructions.
MOTOR
SUPPLY VOLTAGE
208-230/460/60/3
J-BOX
L1
L2
L3