Twin City HA / HAB Fiberglass Wall Mount Ventilators - IM-3100 - Manual

Receiving
The HA/HAB ventilator is shipped in two parts:
1. Fan housing assembly complete with fiberglass inlet
venturi to the wheel and complete motor and drive
assembly.
2. Flanged extruded aluminum louver assembly.
Duct adapter and companion angles are shipped loose
if unit is for inline application.
Inspect cartons or crates carefully before signing a deliv-
ery receipt for the carrier. If any damage is apparent,
note it on the carrier’s receipt so that a claim can be
filed against the carrier through your usual channels.
Handle the units carefully while delivering to installation
location. Use ordinary care in unpacking the units. If the
units, when unpacked, appear to be damaged in a way
that could not be determined at the time of delivery,
notify the carrier that concealed damage has been dis-
covered and insist on inspection by the carrier. Obtain
a copy of carrier’s inspection report showing the con-
cealed damages so that a claim can be filed through
your usual channels.
Study the attached installation prints carefully. Inspect
the units carefully for identification marks, fan rotation
symbols, etc.
©1997 Twin City Fan Companies, Ltd.
Installation
Wall Application
1. Remove wood shipping supports from fan assembly
(see Figure 1).
2. Locate and provide hole in the wall 1 ⁄
2
" larger than
the fan housing (see Figure 2). This will provide an
opening for the electrical wiring into the unit.
3. Anchor the box in the wall, keeping a minimum of
2 3 ⁄
8
" between the outside wall and any part of the
box or the power assembly.
4. Fasten the flanged extruded louver to the exterior
wall.
Inline Application
1. Remove wood shipping supports from fan assembly
(see Figure 1).
2. Attach duct adapter and companion angles to unit
per Figure 3 with fasteners supplied.
3. Before anchoring the unit to the ductwork, check line
voltage and current characteristics outlined in previ-
ous section.
4. Fasten the flanged extruded louver to the exterior wall
wherever the outlet of the ductwork ends.
For easy maintenance of the ventilator inline, provide a
drop-out section between ductwork and duct adapter
(see Figure 3).
Check, Test & Start Procedure
WARNING
Electric shock hazard. Could cause severe injury or
death. Failure to bond the frame of this equipment
to the building electrical ground by use of the
grounding terminal provided or other acceptable
means may result in electrical shock. Disconnect
electric power before servicing equipment. Service to
be performed only by qualified personnel.
BEFORE START-UP: Disconnect power to this unit
before servicing the unit.
1. Check to verify that the wheel is free to rotate.
2. Verify that supply voltage on the line side of discon-
nect agrees with voltage on unit identification plate
and is within the utilization voltage range as indicated
in Table 1.
Table 1.
SYSTEM VOLTAGE/ UTILIZATION VOLTAGE
UNIT NAMEPLATE MIN. MAX.
115/60/1 104 127
208-230/60/1 or 208-230/60/3 187 253
230/60/1 or 230/60/3 207 253
277/60/1 249 305
200/60/3 180 220
380/60/3 342 418
460/60/3 414 506
575/60/3 517 633
110/50/1 99 121
220/50/1 198 242
380-415/50/3 342 456
440/50/3 396 484
IM-3100
August 2014
HA/HAB Fiberglass
Wall Mount Ventilators
INSTALLATION, OPERATION & MAINTENANCE MANUAL