Loren Cook CCP Installation Manual

CCP
Centrifugal Plug Fans
INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
This publication contains the installation, operation
and maintenance instructions for standard units of the
CCP-Centrifugal Plug Fans
tion prior to any installation or maintenance procedure.
Loren Cook catalog, describing the equipment, fan performance, available accessories, and specification data.
For additional safety information, refer to AMCA publica­tion 410-96,
Industrial and Commercial Fans
All of the publications listed above can be obtained from Loren Cook Company by phoning 417/869-6474, extension 166; by FAX at 417/832-9431; or by e-mail at info@loren­cook.com.
For information on special equipment, contact Loren Cook Company Customer Service Department at 417/869-
6474.
Safety Practices for Users and Installers of
. Carefully read this publica-
CCP
, provides additional information
.

Receiving and Inspection

Carefully inspect the fan and accessories for any damage and shortage immediately upon receipt of the fan.
• Turn the wheel by hand to ensure it turns freely and does not bind.
• Inspect dampers (if supplied) for free operation of all moving parts.
• Record on the age.
Delivery Receipt
any visible sign of dam-

Handling

Lift the fan by the base or lifting eyes on the housing.
Never lift by the shaft, wheel, or motor
WARNING
This unit has rotating parts. Safety precautions
should be exercised at all times during installation, operation, and maintenance. ALWAYS disconnect power prior to working on fan.
.
Outdoor Storage
To maintain good working condition of the fan when it is
stored outdoors, follow the additional instructions below.
• Coat the shaft with grease or a rust preventative com­pound.
• Cover the inlet and outlet to prevent the accumulation of dirt and moisture in the housing.
• Periodically rotate the wheel and operate dampers (if supplied).
• Periodically inspect the unit to prevent damaging condi-
tions.
Personal Safety
Disconnect switches are recommended. Place the disconnect switch near the fan in order that the power can be swiftly cut off in case of an emergency, and in order that maintenance personnel are provided complete control of the power source.

Installation

When mounting the fan, be sure that the structure of the wall is rigid enough to support the weight of the fan and its motor.
Consult the specific fan type submittal for the exact fan dimensions needed to determine the size of your wall open­ing. The wall opening should be just large enough for the wheel to fit through.
For non-ducted inlet, be sure the inlet is placed at least one fan wheel diameter away from walls and bulkheads.
Motor Installation
Most motors are shipped mounted on the fans with belts and drives installed. However, extremely heavy motors and drives are shipped separately. These motors and drives wll require field installation. Please refer to page 2 and 3.

Storage

If the fan is stored for any length of time prior to installa­tion, completely fill the bearings with grease or moisture­inhibiting oil (refer to wheel several revolutions every three to five days to keep a coating of grease on all internal bearing parts.
Store the fan in its original crate and protect it from dust, debris and the weather.
Lubricants
on page 5). Rotate the
CCP
1
Wheel-to-Inlet Clearance
The correct wheel-to-inlet clearance is critical to proper fan performance. This clearance should be verified before initial start-up since rough handling during shipment could cause a shift in fan components. Refer to wheel/inlet draw­ing for correct overlap.
Adjust the overlap by loosening the wheel hub and mov­ing the wheel along the shaft to obtain the correct value.
A uniform radial gap (space between the edge of the cone and the edge of the inlet) is obtained by loosening the inlet cone bolts and repositioning the inlet cone.
Size Overlap
100 120 135
5/8”
3/4”
1”
Radial Clearance
Wheel/Inlet Overlap
Overlap
150 165 180 195 210 225 245 270 300 330 365 402 445
Wiring Installation
All wiring should be in accordance with local ordinances and the National Electrical Code, NFPA 70. Ensure the power supply (voltage, frequency, and current carrying capacity of wires) is in accordance with the motor name­plate.
Lock off all power sources before unit is wired to power source.
Leave enough slack in the wiring to allow for motor move­ment when adjusting belt tension. Some fractional motors have to be removed in order to make the connection with the terminal box at the end of the motor. To remove motor, remove bolts securing motor base to power assembly. Do not remove motor mounting bolts.
Personal Safety
Disconnect switches are recommended. Place the disconnect switch near the fan in order that the power can be swiftly cut off in case of an emergency, and in order that maintenance personnel are provided complete control of the power source.
Follow the wiring diagram in the disconnect switch and the wiring diagram provided with the motor. Cor­rectly label the circuit on the main power box and always identify a closed switch to promote safety (i.e., red tape over a closed switch).
Airfoil Backward
Proper Wheel Rotation
Inclined
Wheel Rotation
Test the fan to ensure the rotation of the wheel is the
same as indicated by the arrow marked Rotation.
115 and 230 Single Phase Motors
Fan wheel rotation is set correctly at the factory. Chang­ing the rotation of this type of motor should only be attempted by a qualified electrician.
208, 230, and 460, 3 Phase Motors
These motors are electrically reversible by switching two of the supply leads. For this reason, the rotation of the fan cannot be restricted to one direction at the factory. See Wiring Diagrams on page 3 for specific information on reversing wheel direction.
Do not allow the fan to run in the wrong direction. This will overheat the motor and cause serious dam­age. For 3-phase motors, if the fan is running in the wrong direction, check the control switch. It is possible to interchange two leads at this location so that the fan is operating in the correct direction.
1/4 inch
1 foot
Figure 1
Belt and Pulley Installatio
n
Belt tension is determined by the sound the belts make when the fan is first started. Belts will produce a loud squeal which dissipates after the fan is operating at full capacity. If the belt tension is too tight or too loose, lost effi­ciency and possible damage can occur.
Do not change the pulley pitch diameter to change ten­sion. This will result in a different fan speed than desired.
a. Loosen motor plate adjustment bolts and move motor
plate in order that the belts can easily slip into the grooves on the pulleys. Never pry, roll, or force the belts over the rim of the pulley.
2
.

Wiring Diagrams

Single Speed, Single Phase Motor
Ground A
L
T- 1
T- 4
Ground B When ground is required, attach to ground A or B with no. 6 thread forming screw. To reverse, interchange T-1 and T-4.
1
Line L
2
Wiring Diagrams
3 Phase, 9 Lead Motor
Low Voltage
208/230 Volts
4
6
5
3
1
9
728
L2L
L
3
To reverse, interchange any 2 line leads.
1
2 Speed, 2 Winding, Single Phase Motor 2 Speed, 1 Winding, 3 Phase Motor
Ground A
T- 1
T- 4
Ground B When ground required, attach to ground A or B with No. 6 thread forming screw. To reverse, interchange T-1 and T-4 leads.
High Speed
L
1
L
2
Low Speed
Line
To reverse, interchange any 2 line leads. Motors require magnetic control.
Motor
High Speed
1
Together
2 3
L
4
L
5 6
L
1 2
Line
3
Motor
Single Speed, Single Phase, Dual Voltage 2 Speed, 2 Winding, 3 Phase
Ground A
L
Line
L
1
T- 5
J-10
2
Ground B
T- 5
J-10
Ground B When ground required, attach to ground A or B with No. 6 thread forming screw. To reverse, interchange T-5 and J-10 leads.
Link A Link B
Low Voltage
Ground A
Link A & B
L
1
Line
L
2
Low Speed
T
3
Low Speed
T
2
Low Speed
T
Motor
To reverse: High Speed-interchange leads T Low Speed-interchange leads T line leads.
1
T
11
T
12
T
13
High Speed High Speed High Speed
and T
1
. Both Speeds-interchange any 2
2
Typical Damper Motor Schematic
Fan
Motor
Transformer**
Transformer**
L3 L2 L1
For 3 phase, damper motor voltage should be the same between L L
. For single phase application, disregard L
2
available in 115, 230 and 460 volt models. The damper motor nameplate voltage should be verified prior to connection. **A transformer may be pro­vided in some installations to correct the damper motor voltage to the specified voltage.
. *Damper motors may be
3
High Voltage
460 Volts
456
789
3
12
L2L
L
3
1
Low Speed
1 2 3
4 5
6
and T
11
12
and
1
L
1
L
2
Line
L
3
Open
L
1
Line
L
2
L
3
.
Damper
Motor*
Second
Damper
Motor
Belt and Pulley Installation continued
b. Slide the motor plate back until proper tension is
reached. For proper tension a deflection of approxi­mately 1/4” per foot of center distance should be obtained by firmly pressing the belt. Refer to
Figure 1
c. Lock the motor plate adjustment bolts in place.
d. Ensure pulleys are properly aligned. Refer to
Figure 2
Pulley Alignment
Pulley alignment is adjusted by loosening the motor pul-
ley setscrew and by moving the motor pulley on the motor
shaft or by moving the entire motor along the motor mount­ing bracket.
Figure 2
illustrates correct and incorrect pulley align-
ment. A recommended method of inspecting the pulley
.
alignment is shown in
Figure 3
. With the shorter leg of a carpenter’s square or other straight edge lying along the case of the motor, adjust the position of the motor pulley (or the motor until the longer leg of the square is parallel to the belt.
3
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