Accurex XRUD Direct Drive Handbuch für Installation, Betrieb und Wartung - Seite 4

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Dimensional Data

Direct Drive
Model Size
Curb Cap
060, 070
17 (432)
080, 090, 095
19 (483)
099, 101, 121, 131
19 (483)
141, 161
22 (559)
180, 200, 200HP
30 (762)
240, 240HP
34 (864)
300, 300HP
40 (1016)
• All dimensions are in inches (millimeters). *Approximate weight shown in
lbs. (kg.) is the largest cataloged open drip proof motor.
• "Curb Cap" is the inside dimension of the curb cap
• The roof curb should be 1½ in. (38 mm) less than the curb cap to allow for
roofing and flashing.
• Roof opening is a square dimension.
Belt Drive
Shaft
Model Size
Curb Cap
Bearings
099, 101, 101HP,
19 (483)
3
⁄
4
121, 131
141, 141HP, 161,
22 (559)
3
⁄
4
161HP
161XP
22 (559)
1 (25)
180
30 (762)
3
⁄
4
180HP
30 (762)
1 (25)
200
30 (762)
3
⁄
4
200HP
30 (762)
1 (25)
220, 220HP, 240,
34 (864)
1 (25)
240HP, 240 XP
300, 300HP, 300XP 40 (1016)
1 (25)
360, 360HP, 360XP 46 (1168) 1
1
⁄
420
52 (1321) 1
1
⁄
4
480
58 (1473) 1
1
⁄
• All dimensions are in inches (millimeters). *Approximate weight shown in
lbs. (kg.) is the largest cataloged open drip proof motor.
• "Curb Cap" is the inside dimension of the curb cap
• The roof curb should be 1½ in. (38 mm) less than the curb cap to allow for
roofing and flashing.
• Roof opening is a square dimension.

Installation

General Ventilation Installation

Screw
Conduit
Chase
3/4 in.
(19 mm)
Wiring by
8 or 12 in. min.
(203 or 305 mm)
Roof Deck
Recommended
1¼ in.
Duct and
(32 mm)
Damper Size
Recommended
Roof Opening
Figure 4 - Typical Roof Mounting Installation
4
Upblast Centrifugal Roof Exhaust
Roof
*Approx.
Damper
Opening
Weight
8 (203)
10
1
⁄
(267)
29 (13)
2
10 (254)
12
1
⁄
(318)
40 (18)
2
12 (305)
14
1
⁄
67 (30)
(368)
2
16 (406)
18
1
⁄
(470)
90 (41)
2
18 (457)
20
1
⁄
142 (64)
(521)
2
24 (610)
26
1
⁄
(673)
175 (79)
2
30 (762)
32
1
⁄
(826)
313 (142)
2
Roof
*Approx.
Damper
Opening
(19)
12 (305)
14
1
⁄
(368)
66 (30)
2
(19)
16 (406)
18
1
⁄
(470)
87 (39)
2
16 (406)
18
1
⁄
(470)
87 (39)
2
(19)
18 (457)
20
1
⁄
(521)
126 (57)
2
18 (457)
20
1
⁄
(521)
126 (57)
2
18 (457)
20
1
⁄
142 (64)
(19)
(521)
2
18 (457)
20
1
⁄
(521)
142 (64)
2
24 (610)
26
1
⁄
(673)
175 (79)
2
30 (762)
32½ (826) 313 (142)
(32) 36 (914)
38
1
⁄
(978) 440 (200)
4
2
(32) 42 (1067) 44
1
⁄
(1130) 578 (262)
2
(38) 48 (1219) 50
1
⁄
(1283) 675 (306)
2
2
Screw
Factory Wired
Motor to
Disconnect
Others
Damper
1¼ in.
(32 mm)
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.
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.
4a. On belt drive fans, use the lifting lugs on the drive
frame or bearing plate to lift and place the unit on
Weight
top of roof curb. Refer to Figure 2, page 2.
4b. On direct drive fans, lift and place the unit on
top of roof curb using hooks under the horizontal
supports. Refer to Figure 1, page 2.
5. Secure fan to curb using a minimum of eight lag
screws, metal screws or other suitable fasteners.
Shims may be required depending upon curb
installation and roofing material.
6. Verify power line wiring is de-energized before
connecting fan motor to power source.
7. For commercial kitchen and UL Listed emergency
smoke control applications, the electrical supply
must enter the motor compartment through
the breather tube. For other non-flammable
applications, the electrical supply can be routed
through the conduit chase between the curb cap
and the bottom of the motor compartment.
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.
9. Check fan wheel for free rotation, recenter if
necessary. Check setscrew(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 6.
MOTOR
J-BOX
Figure 6 - Typical Wiring Diagram
12. Replace motor cover.
Figure 5 - Roof Curb Installation
MOTOR
SUPPLY VOLTAGE
115/208-230/60/1
J-BOX
L1
L2
SUPPLY VOLTAGE
208-230/460/60/3
L1
L2
L3