Cook Gemini User Manual download pdf

Gemini

Ceiling and cabinet fans

INSTALLATION, OPERATION, AND MAINTENANCE MANUAL

This publication contains the installation, operation and

maintenance procedures for standard units of the Gemini:

Ceiling and Cabinet Fans.

Carefully read this publication and any

supplemental documents prior to any

installation or maintenance procedure.

Loren Cook Company’s Gemini catalog provides

additional information describing the equipment, fan

performance, available accessories and specication

data.

For additional safety information, refer to AMCA

publication 410-96, Safety Practices for Users and

Installers of 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 and instructions on special equipment,

contact Loren Cook Company at (417) 869-6474.

Receiving and Inspection

Carefully inspect the fan and accessories for any

damage and shortage immediately upon receipt of fan.

• Turn the wheel by hand to ensure it turns freely and

does not bind.

• Inspect dampers (if included) for free operation of

all moving parts.

• Remove mounting brackets from packing insert &

install mounting brackets (Gemini 100 only).

• Remove shipping tape.

• Record on the Delivery Receipt any visible sign of

damage.

Handling

Lift fan by the outside housing (box) or by the blower

mounting brace. Never lift by the shaft or motor.

Storage

If the fan is stored for any length of time prior to

installation, store it in its original shipping crate and

protect it from dust, debris and the weather.

Installation

Motor Installation

All Gemini units are shipped with motors mounted at

the factory.

Gemini 100 Inline to Ceiling Conversion

The Gemini 100 series can be converted from inline

to ceiling by ordering the Inline to Ceiling Conversion Kit

from Loren Cook Company (Part Number 797180). The

kit includes all parts required, plus detail instructions on

how to convert the Gemini 100.

Gemini 100 Ceiling to Inline Conversion

The Gemini 100 series can be eld converted from

ceiling to inline by following these steps:

1. Remove and discard the inlet box end plate.

2. Install the inline cover panel with sheet metal

screws as shown on the following page. Ceiling to

Inline Conversion Kit can be ordered from Loren

Cook Company (Part Number 797181), or fabricate

the required part using the following two sketches.

1-7/1

14-1/16

Fini

16-3/4

13-15/16

1-3/8

11-15/16

13-5/16

Bend up at 90

atte

(Inches)

alvanized

teel

Gemini 100

Rotating Parts & Electrical Shock Hazard:

Disconnect electric power before working on unit.

Follow proper lockout / tagout procedures to ensure

the unit cannot be energized while being installed or

serviced.

A disconnect switch should be placed 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.

Grounding is required. All eld-installed wiring

must be completed by qualied personnel. All eld

installed wiring must comply with National Electric

Code (NFPA 70) and all applicable local codes.

Failure to follow these instructions could result in

death or serious injury.

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - Ceiling and cabinet fans

1®GeminiCeiling and cabinet fans INSTALLATION, OPERATION, AND MAINTENANCE MANUALThis publication contains the installation, operation and maintenance

Page 2 - Fan Installation

2StartRemove PartsReplace PartsOutletOutletInletInletx2Fan Installation1. Use the mounting bracket slots to lower the unit housing by a distance equa

Page 3 - Wiring Diagrams

3unit 3/8”. If lter and deluxe aluminum grille are both present, raise unit 7/8”, due to the 1/2” grate protrusion on the aluminum grille. If lter i

Page 4 - Final Installation Steps

4Gemini 800 - 900 Series: White Line Line Black (High)Blue (Medium)Red (Low)Electrical Shock & Fire Hazard:Insulate Unused Leads SeparatelyFailur

Page 5 - Maintenance

5 OperationPre-Start Checks1. Lock out all the primary and secondary power sources.2. Inspect fasteners and setscrews, particularly those used for m

Page 6 - Troubleshooting

61. Disconnect the motor from the electrical supply. 2. Remove motor plate bolts. 3. Slide motor plate and remove motor/blower assembly from box.3. R

Page 7 - Gemini 100 Parts List

7Gemini 100 Parts ListDiagram Part NumberPart Description1 Inlet Box End Plate(Ceiling only)2 Housing/Scroll3 Field Wiring Compartment4 Motor5 Tinnerm

Page 8 - Limited Warranty

8Gemini 1000 - 2000 Parts List Diagram Part NumberPart Description1 Grille (ceiling and wall)2 Backdraft Damper (2)3 Wheel (2)4 Blower Housing (2)5 Mo