Munters WM36 Instruction Manual Download Page 32

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QM1077r16

7.1 Troubleshooting

Troubleshooting

Fan Operating-
Insuﬃ cient Airﬂ ow

Excessive
Vibration

Excessive Noise

1. Fan control set above room
temperature
2. Blown fuse or open circuit breaker
3. Propeller blade contacting fan housing
4. Fan control defective
5. Motor defective

1. Damper door jammed
2. Guard dirty

1. Propeller blade contacting fan housing

1. Motor loose on mount
2. Propeller damaged
3. Motor or propeller shaft bent

1. Set to a lower temperature

2.  Replace fuse or reset breaker
3.  Realign propeller in fan housing
4.  Repair or replace control
5.  Repair or replace motor

1. Clean damper door & fan housing
2. Clean guard

1. Sand fan housing to remove high spot

1. Tighten fasteners
2. Replace propeller
3. Repair or replace motor or propeller shaft

Fan Not Operating

SYMPTOM

POSSIBLE CAUSES

CORRECTIVE ACTION

Fan Never Turns Off

1. Override thermostat set incorrectly
2. Control set for continuous operation

1. Set to the correct temperature
2. Set control correctly

WARNING

Disconnect Power

Before Servicing

WARNING

Moving Parts, Disconnect

Power Before Servicing.

WARNING

Moving Parts: Disconnect

Power Before Servicing.

Summary of Contents for WM36

Page 1: ...1 Munters Corporation August 2021 QM1077r16 Instruction Manual WM Fiberglass Wall Mount Fan with Damper Door 6 pack Models WM36xKxCB 6PK WM36K Wall Mount Fan with Damper Door 6 pack ...

Page 2: ...nty 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 supervisio...

Page 3: ... 6 2 Installation Instructions 7 2 1 Wall Framing 7 2 2 Fan Assembly 8 2 3 Damper Door Installation 11 2 4 Cone Installation 17 2 5 Motor Mounting 21 3 Electrical Wiring 26 3 1 Recommended Wiring 27 4 Operation 28 5 Maintenance 29 6 Winterizing 31 6 1 Winterizing 31 6 2 Winter Weather Protection 31 7 Troubleshooting 32 8 Exploded View and Parts List 33 35 ...

Page 4: ... Parts Package BK1150 For 2 Fans BK1150 of Bulk Parts Package needed for 1 WM36K 1 Motor Base Bracket CTD GZ 1 Belt Tensioner Bracket CTD GZ 4 Cone Support Brackets PC Type GZ 4 Cone Strut Mounting Brackets GZ 1 V Belt A Section 1 Hub with Bearings and Shaft 1 Motor Sheave CI 1 Prop Sheave CI 1 Prop Adapter ZP STL 1 3 Idler Pulley A Section C I Blue 1 Rotary Tensioner Arm AL 1 Motor Mount Stiffene...

Page 5: ...Pivoting Shutter Clip PL T 1 AC0211 AC0212 Azuma Bolt Nut Blue PL X 1 KS1046 M10 1 5 x 50mm Hex bolt ZP Y 2 KX1059 1 S Hook Wire SS 1 HK1001 Hardware Kit WM_K Fan Assembly 1 of 2 1 HK1002 Hardware Kit WM_K Fan Assembly 2 of 2 1 LB2646 Speciﬁcation Label for WM36K HK1001 Hardware Kit for 1 WM_K Fan ID Qty Cat No Description AA 18 KS1007 5 16 18 x 1 25 Hex Head Bolt SS BB 4 KS1029 5 16 18 x 1 75 Hex...

Page 6: ...ize A B C D Dia E F Wall Openings 36 48 W x 48 H 40 61 2 483 8 13 4 13 4 441 2 W x 441 2 H Wall Opening W O D Dia F A A B Guard E C 1 3 Tools required for installation 10mm 3 8 Socket 13mm Socket 17mm 11 16 Socket or Wrench 27mm 11 16 Wrench 36mm Socket or Wrench 5 16 Socket or Wrench 7 16 Socket Phillips Screwdriver 3 Size 1 8 Drill Bit 5 32 Hex Wrench Wire Cutting Pliers Dimension varies dependi...

Page 7: ...Z Chart A Wall Opening W x H Fan Dia 36 44 W x 44 H Figure 1B 4 x 4 Post Construction Elevation View Ceiling Framing H see chart A 12 W see chart A See minimum spacing notes in Chart A Z 2 x 8 Header boards 4 x 4 or 4 x 6 Posts 2 x 4 Framing 2 x 8 Banner boards Ceiling 4 x 4 or 4 x 6 Posts W see chart A H see chart A Note Damper doors should be carefully set aside out of direct sunlight until need...

Page 8: ...bel to the Tube Strut as shown and then mark the box for the appropriate model fan Figure 2B Tube Strut Motor Bracket Tensioner Bracket Washer EE Long Bolts CC Idler Pulley Tensioner Arm Bolt X Washer K Bolt J Nuts DD Label Step 2 Place tube strut on saw horses or a flat work surface The large center hole should be pointing horizontally Attach the Motor Base Bracket and the Belt Tensioner Bracket ...

Page 9: ...er hub shaft as shown in Figure 4 Attach Sheave Hub Assembly to Tube Strut using 1 Hex Nut L and tighten to 52 ft lbs 70 N m torque See Figure 4 Place Plastic Cover Cap N over Hex Nut and fasten in place with 1 Tapping Screw B See Figure 4 Set aside the Strut Assembly for use in a later step Shaft Shield M Hex Nut L Cap Cover N Tapping screw B Figure 4 Installation Instructions Chapter 2 Hub Assem...

Page 10: ...ce Panel Step 6 Corners of Orifice Panel with 2 holes are corners where Strut Assembly attaches Secure Strut Assembly using 4 Long Bolts CC 6 Washers EE and 4 Nuts DD In the opposite corners attach Cone Strut Mounting Bracket to the orifice using 1 Short Bolt AA Washer EE and Nut DD See Figure 6 Figure 5 Figure 6 Long Bolt CC Washer EE Washer EE Nuts DD Drain Hole Washer EE Short Bolt AA Nuts DD I...

Page 11: ... in lbs 16 N m of torque See Figure 7 Figure 7 Propeller Installation Instructions Chapter 2 Set Screw Step 8 Slide Main Frame Assembly onto Orifice Panel with pin on Main Frame opposite the drain hole See Figure 8A Line up 4 holes in Main Frame with holes in the Orifice and fasten using 4 TEK Screws FF See Figure 8B Figure 8A Figure 8B Prop Adapter Shaft Flat Side of Shaft Hole in oriﬁce panel TE...

Page 12: ...ield when installing screws Figure 9A Figure 9B Drip Shield Barn Screw not provided 4 Wall 6 Wall Drip plate Drip plate Support board Step 10 Locate Drain Hole in Orifice Panel This is the bottom of the Panel Set bottom edge of panel on Drip Shield ledge and center panel on opening Secure Panel to wall using 16 Barn Screws Not Provided See Figure10A and 10B Figure 10A Figure 10B Drain Hole Drip Sh...

Page 13: ...r the WM36 and WM54 the Wing sits down in the Groove of the upper right and lower left doors For the WM36 the Wing will be in the groove centered on the half circle shape For the WM54 the Wing will start just after the last spring mounting dimple and follow the Groove Make sure Wing is seated in bottom of Groove and fasten in place using 3 Seal Washer Screws Y per wing Make sure Hinge Pins do not ...

Page 14: ...r16 Installation Instructions Chapter 2 Step 12 Carefully turn doors over and pull upper Latch Pin down until the end is flush with top of doors Make sure Long Hinge Pin bottom does not fall out See Figure 12 Figure 12 Latch Pin Long Hinge Pin ...

Page 15: ...re 13 Installation Instructions Chapter 2 Figure 13 Hinge Pin Door Step 14 Separate doors and push them into closed position Push Latch Pin up into place then turn short leg of Latch Pin into recess of door Secure in place using Seal Washer Screw GG and Flat Washer HH Latch Pin should extend up through upper plate in Main Frame See Figure 14 Figure 14 Latch Pin Latch Pin Leg Flat Washer HH Seal Wa...

Page 16: ... through until ferrule stops at the plate See Figure 15 Installation Instructions Chapter 2 Hole in Main frame Ferrule End Step 16 On room side of each door drill a 1 8 dia hole in each door through the 7th dimple in upper left and lower right quadrats not in the same quadrant as the Wings See Figure 16 Figure 15 Figure 16 Drill 7th Dimple Drill 7th Dimple ...

Page 17: ...Installation Instructions Chapter 2 Step 18 Place all 4 cone sections on a flat surface with tabs from one facing slots of the next See Figure 18A Curl up tab end of first cone section and insert tabs up into slots in the next cone section A mallet may be needed to seat slots over tabs completely See Figure 18B Repeat this step until all 4 cone sections are connected and laying flat 2 4 Cone Insta...

Page 18: ...Nut DD Short Bolt AA Outer hole Nut DD Short Bolt AA Inner hole Figure 19A Step 19B Stand cone sections on end and curl ends around to form cone with Cone Support Bracket on outside and tabs on inside Insert remaining tabs into slots so tabs are inside cone and fasten final joint using 1 Short Bolt AA and Nut DD with nut on inside of cone At the inner pair of holes attach 1 Cone Support Bracket to...

Page 19: ...ation Instructions Chapter 2 Hole in Tab of Cone Section Step 20B Place end of Cone Support Bracket with slot over bolt holding Cone Strut Mounting Bracket to the orifice and secure with Nut DD See Figure 20B Secure Cone to Fan installing Medium Bolt BB through the remaining hole in the Cone Support Bracket and fasten with Nut DD A long screwdriver may be needed to help align the holes through Con...

Page 20: ... using Short Bolt AA and Nut DD See Figure 21 Nut DD Nut DD Previously installed Bolt and Nut Step 22 Loop Coated Cable that was installed in a previous step around the lower middle joint in guard and fasten to itself with Azuma Bolt and Nut T Make sure cable is pulled snug See Figure 22 Figure 21 Figure 22 Azuma T Short Bolt AA Coated Cable Note When installing cable in temperatures BELOW 60 F le...

Page 21: ...nstallation Instructions Chapter 2 Step 24 Find the Key provided with the Motor and place it in the Keyway on the motor shaft Place the Motor Sheave on the Motor shaft with the hub facing towards the motor See Figure 24 ONLY tighten the set screw enough to hold the Sheave in place at this time Figure 24 Motor Sheave Motor 2 5 Motor Mounting Cut Guard Wire Here Clamp JJ Note When wiring motor check...

Page 22: ...th holes in Motor Bracket See Figure 25 Figure 25 Installation Instructions Chapter 2 Holes in Motor Bracket Front and Middle Slots Step 26A Secure Motor to Motor Bracket and Motor Bracket Stiffener using 4 Short Bolts AA and Nuts DD The rear upper bolt is where Motor Bracket Stiffener is attached See Figure 26A Short Bolts AA Nuts DD Figure 26A Stiﬀener Lower Motor Bracket Flange ...

Page 23: ...Chapter 2 Propeller Sheave Figure 27 Tensioner Pulley Motor Sheave Level Step 28A Slide V belt over Propeller and install by wrapping it around 2 smaller pulleys and starting it over larger Sheave Continue rolling it onto the larger Sheave until it fits into groove See Figure 28A Figure 28A Step 26B Using channel locks and or a hammer twist the Motor Bracket Stiffener so that the holes in the brac...

Page 24: ... belt tensioner is aligned with the Mark 3 on tensioner arm Hold tensioner at this setting and tighten the 10mm bolt to 40 ft lbs 54 N m torque See Figure 28B Installation Instructions Chapter 2 Single Mark on Base Mark 3 on Tensioner Arm 10mm Bolt Figure 28B Hex on Tensioner Arm Step 29A Cut a section of the inlet guard out to fit over the motor as shown below for the appropriate fan When cutting...

Page 25: ... Shutter Clips R and Barn Screws not provided 2 per side See Figure 29B Figure 29B Shutter Clip R with Barn Screw not provided Installation Instructions Chapter 2 Shutter Clip R with Barn Screw not provided Position for Securing Guard Position for Guard Removal Position for Securing Guard Position for Guard Removal ...

Page 26: ...r slow blow motor fuses must be used See Figure 30B If a frequency drive inverter is used confirm that motors are rated for inverter duty at the voltage used Shielded power cable between frequency drive and each motor is highly recommneded Installation of line reactors is recommended to reduce voltage spikes and harmonic distortion Supplemental motor overload protection is also recommended NOTE A ...

Page 27: ...21 QM1077r16 Electrical Wiring Chapter 3 Step 1 As the power cable exits the back of the motor form a drip loop and then run cable to power source See Figure 31A and 31B Drip loop Figure 31B Figure 31A Drip loop 3 1 Recommended wiring ...

Page 28: ... Aerotech ventilation system drawing or to a value which will provide the desired environmental conditions Single Phase Fans Single phase fans are designed for single speed operation only If a frequency drive is used the minimum operating frequency is 30 Hz Three Phase Fans 4 Operation Operation 4 WARNING Disconnect Power Before Servicing WARNING Moving Parts Disconnect Power Before Servicing WARN...

Page 29: ...Carefully clean dust from damper doors and frame so that doors open and close freely A brush or cloth 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 disconne...

Page 30: ...ry to achieve proper alignment Remember to tighten the set screws after making an adjustment Drive alignment is very important for long belt life and proper operation 7 BELT TIGHTENING To adjust belt tensioner to the proper setting loosen 10 mm bolt 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 tensioner Turn ...

Page 31: ...s com Snow Guard Suppliers Company Name Phone No Fax No Web Site In most climates it is probable that the ventilation system will never need to operate at a total capacity during the colder winter months Consequently it is advisable to winterize those fans which will not be used in cold weather to avoid unnecessary heat loss and condensation To winterize turn fan control off Install the insulated ...

Page 32: ... lower temperature 2 Replace fuse or reset breaker 3 Realign propeller in fan housing 4 Repair or replace control 5 Repair or replace motor 1 Clean damper door fan housing 2 Clean guard 1 Sand fan housing to remove high spot 1 Tighten fasteners 2 Replace propeller 3 Repair or replace motor or propeller shaft Fan Not Operating SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION Fan Never Turns Off 1 Override...

Page 33: ...33 Munters Corporation August 2021 QM1077r16 Fan Components Exploded View 8 ...

Page 34: ... Munters Corporation August 2021 34 QM1077r16 Exploded View Chapter 8 Damper Cone Components ...

Page 35: ... 3 Idler Pulley 1 FH2406 3 Idler Pulley only with Bolt 1 FH2459 Tensioner Arm only AL 1 14 FH1968 1 Hole Pivoting Shutter Clip BLK PL 8 15 FH1344 Inlet Guard 2 x 2 Mesh GZ 1 16 FH1673 Tube Strut Center PWDCTD 1 17 FH1658 Drip Shield Plate AL 1 18 FP2065 Hub Prop Adapter O D x 3 L Shaft ZP 1 19 FH1980 Cone Strut Mounting Bracket GZ 4 20 FH1436 Outlet Guard Round CTD BLK 1 21 FH4636 Discharge Cone S...

Page 36: ...unters Air Treatment Equipment Beijing Co Ltd Phone 86 10 80 481 121 Denmark Munters A S Phone 45 9862 3311 India Munters India Phone 91 20 3052 2520 Indonesia Munters Phone 62 818 739 235 Italy Munters Italy S p A Chiusavecchia Phone 39 0183 52 11 Japan Munters K K Phone 81 3 5970 0021 Korea Munters Korea Co Ltd Phone 82 2 761 8701 Mexico Munters Mexico Phone 52 818 262 54 00 Russia Munters AB Ph...

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