Cook Economizer Fan User Manual download pdf

through the roof curb until the assembly’s outer ﬂange

rests on the top of the roof curb. The curb should be

level to allow the cabinet to hang free.

c. Assemble the hood to hood base. Refer to

Hood

Assembly

instructions on page 2.

d. Lower the hood assembly on to the roof curb and

secure it and the cabinet assembly to the roof curb with

anchor bolts or lag screws as required.

e. Pre-wire the service switch on the roof base, if

equipped.

f. Install the hood assembly ﬁlters, if required. Refer to

Filtered Units Only

section on page 2.

g. Install the outlet diffuser on the lower end of the cabinet

assembly, if equipped. Place the diffuser over the bot-

tom of the cabinet assembly. Secure the diffuser to the

cabinet with number 12 sheet metal screws installed

through the ﬂange, spaced at 6 inch intervals around

the perimeter.

continued

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 per-

sonnel are provided complete control of the

power source.

This publication contains the installation, operation

and maintenance procedures for standard units of the

Economizer Fan-Economizer Fans with Mix, Recircu-

late, Supply and Exhaust Modes

. Carefully read this

publication prior to installation.

Loren Cook catalog,

Economizer Fan

, provides additional

information describing the equipment, fan performance,

available accessories and speciﬁcation data.

For additional safety information, refer to AMCA publica-

tion 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 Literature Department by phoning

417/869-6474, extension 166; by FAX at 417/832-9431; or

by e-mail at inf[email protected].

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 the fan.

The control panel, if ordered, is shipped inside of the

roof base. It is not counted as a separate part.

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

does not bind.

• Check the dampers for free operation of all moving

parts.

• Record on the

Delivery Receipt

any visible sign of dam-

age.

Handling

Lifting bars are located on the top of the cabinet assem-

bly. They should be used to lift the unit and also to lower the

unit on to the curb. The hood assembly should be lifted by

the shipping crate or the base assembly.

Storage

If the unit is stored for any length of time prior to installa-

tion, store it in its original shipping crate and protect it from

dust, debris and the weather.

Installation

a. Ensure there is a minimum 3 inch clearance between

the interior of the building and the unit’s side dampers.

b. Attach lifting straps to the lifting bars at the top of the

cabinet assembly. Lift the assembly and then lower it

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.

Economizer Fan

Economizer Fans

INSTALLATION, OPERATION AND MAINTENANCE MANUAL

Economizer

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - Economizer Fan

through the roof curb until the assembly’s outer ﬂange rests on the top of the roof curb. The curb should be level to allow the cabinet to hang free.

Page 2

h. If no outlet diffuser is supplied, install the outlet guard over the bottom of the cabinet assembly. Secure the outlet guard to the cabinet with n

Page 3 - Damper Actuator Connections

20"16"Lights on DoorSupplyMixRecirculateExhaust (MRSE-D Only)Start/ModeButtonStop ButtonOptionalModulating Temperature ControlGroundNo Fiel

Page 4

light will begin to ﬂash. If the mode light is allowed to ﬂash for the full 3 seconds, the light will then stay on and the fan will start.If the pane

Page 5 - Troubleshooting

Clean the propeller and air inlets if material build-up is excessive. Excessive build-up can cause imbalance and failure of the propeller. When clean

Page 6

123456910112354789 Part No. DescriptionNumber RequiredNon-Filtered Filtered24 30 36 42 48 54 60 24 30 36 42 48 54 60 1 Perimeter Angle ----4444444448

Page 7 - Economizer Cabinet Parts List

123456789101112 Part No.Description 1 Upper Cabinet Assembly 2 Top Damper3 Top Damper Support (4)4 Corner Posts (4)5 Access Door (2)6 Access Door Mou

Page 8 - Economizer IOM -March 1998

Corporate Ofﬁces: 2015 E. Dale Street Springﬁeld, MO 65803 417.869.6474www.lorencook.com Limited Warranty Loren Cook Company warrants that your Loren

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Cook Economizer Fan User Manual

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