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© Munters Corporation, February 2019

QM1061r1

Operation

4.

INITIAL START-UP: 

 With electrical power off, verify that the fan propeller turns freely 

and that all fasteners are secure. Turn on electrical power and confirm that the fan 
operates smoothly.

ADJUSTMENTS:

  Set the fan control to the temperature shown on your ventilations 

system drawing, or to a value which will provide the desired environmental 
conditions.

WARNING

!

Disconnect Power 

Before Servicing

WARNING

!

Moving Parts, Disconnect 

Power Before Servicing.

WARNING

!

Moving Parts: Disconnect 

Power Before Servicing.

4.1 Operation

WARNING

!

Do Not Power Wash 

Electrical Devices.

Summary of Contents for GB H Series

Page 1: ...nters Corporation February 2019 QM1061r1 Instruction Manual GB Series M and H Fan 18 48 Models GB18M GB18H GB24M GB24H GB36Mx GB36Hx GB365Mx GB365Hx GB48xMx GB48xHx GB Series M and H Fans 18 48 M Fan H Fan ...

Page 2: ...anty For Warranty claims information see the Warranty Claims and Return Policy form QM1021 available from the Munters Corporation office at 1 800 227 2376 or by e mail at aghort info munters com Conditions and Limitations Products and Systems involved in a warranty claim under the Warranty Claims and Return Policy shall have been properly installed maintained and operated under competent supervisi...

Page 3: ...1r1 Index Chapters Page 1 Unpacking the Equipment 4 1 1 Parts List 4 1 2 Dimensions 4 2 Installation Instructions 5 3 Electrical Wiring 6 4 Operation 7 5 Maintenance 8 6 Winterizing 10 7 Troubleshooting 11 8 Exploded View and Parts List 12 14 ...

Page 4: ...eel 421 4 421 4 135 8 43 sq GB36H 36 Direct Galvanized Steel 43 43 151 2 431 2 sq GB365M 36 Belt Galvanized Steel 421 4 421 4 135 8 3 43 sq GB365H 36 Belt Galvanized Steel 43 43 151 2 27 8 431 2 sq GB48xM 48 Belt Galvanized Steel 541 4 541 4 171 2 15 8 55 sq GB48xH 48 Belt Galvanized Steel 55 55 24 551 2 sq Dimensions Before beginning installation check the overall condition of the equipment Remov...

Page 5: ... 2 1 Installation Installation Instructions 2 Nut B Figure 1 Closed Eyebolt with nut A Step 1 Remove rear guard and install 2 Eyebolts A and Nuts B provided for M fan See Figure 1 Step 2 Proceed to Electrical Wiring Section before replacing guard ...

Page 6: ...continuous air movement is essential should be connected to individual electrical circuits with a minimum of two circuits per room For electrical connection requirements refer to diagram on motor nameplate and to information enclosed with the environmental control to be used Single Phase Fans motor overload protection should be provided for each fan A Circuit Breaker Switch or slow blow motor type...

Page 7: ...nfirm that the fan operates smoothly ADJUSTMENTS Set the fan control to the temperature shown on your ventilations system drawing or to a value which will provide the desired environmental conditions WARNING Disconnect Power Before Servicing WARNING Moving Parts Disconnect Power Before Servicing WARNING Moving Parts Disconnect Power Before Servicing 4 1 Operation WARNING Do Not Power Wash Electric...

Page 8: ...h should be used GUARD Clean any dust or feathers from fan guards using a brush Dirty guards can reduce airflow 3 CHECK FASTENERS For safety all fasteners should be inspected 1 month after initial operation and yearly thereafter Tighten any loose connections 4 INSPECT FAN CONTROL With power disconnected inspect all electrical connections Wiring should be secure and in good condition Remove any dus...

Page 9: ...irst 3 days of fan operation and every 4 6 months thereafter Solid Belt To adjust the belt tensioner to the proper setting loosen 10 mm bolt fastening tensioner to bracket using 17mm end wrench to allow tensioner arm to rotate Working from inlet motor side of fan place a 27 mm 11 16 wrench onto the hex on the tensioner Turn wrench counterclockwise until the single mark on base of the belt tensione...

Page 10: ...ther to avoid unnecessary heat loss and condensation To winterize turn fan control off Install the insulated closure panel over the fan intake If you don t have an insulated closure panel a piece of rigid insulation material can be used Remember the insulation panel must be removed before warmer weather returns NOTE At least one single speed fan should be left uncovered and with power available to...

Page 11: ...breaker 3 Realign motor in fan housing 4 Repair or replace control 5 Repair or replace motor 1 See operation Step 2 for adjustments guidelines 2 Clean guard 3 See operation Step 2 for adjustments guidelines 4 See Maintenance Section Belt Tensioning 1 Adjust bearing position to realign propeller 2 Repair or replace motor or shaft bearings 3 See operation Step 2 for adjustments guidelines 4 Repair o...

Page 12: ...009 FM1008 FM1008 Motor DD 48 Fr 1 6 KW3004 KW3004 KW3004 KW3004 Narrow Type A Flat Washer SS 2 7 KN0704 KN0704 KN0704 KN0704 18 Hex Serrated Flange Nut SS 1 8 FH1288 FH1288 FH1289 FH1289 Guard 2x2 Mesh 14 GA GBW 2 9 FH1274 FH1274 FH1274 FH1274 Guard Mounting Clip ZP 16 10 KS2301 KS2301 KS2301 KS2301 10 x PHL PN TEK Screw ZP 16 11 FH3122 FH3122 Block 2x2x4 L Wood 8 12 FH3123 FH3123 Corner Block 2x...

Page 13: ...13 Munters Corporation February 2019 QM1061r1 Parts List Chapter 8 ...

Page 14: ...ans are developed and produced by Munters Corporation Lansing Michigan U S A 1 800 227 2376 Catalog No Item GB36M GB36H GB36xM GB36xH GB48xM GB48xH Part Name Description QTY 1 FH3136 FH3136 FH1248 FH1248 FH1252 FH1252 Orifice Panel GZ 1 2 FP1041 FP1041 FP1041 FP1041 FP1042 FP1042 Propeller GZ 1 3 FH2094 FH2094 FH2436 FH2436 FH2448 FH2448 Angle Style Strut 36 GB GZ Tube Strut GZ 2 2 4 FH2083 FH2083 ...

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