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© Munters Corporation, September 2019

QM1078r1

Instruction Manual 

WM Fiberglass Wall Mount Fan

with Damper Door - 6 pack

Models: 

WM54xKxCB-6PK

WM54K  

Wall Mount Fan 

with Damper Door

6-pack

Summary of Contents for WM54K

Page 1: ...1 Munters Corporation September 2019 QM1078r1 Instruction Manual WM Fiberglass Wall Mount Fan with Damper Door 6 pack Models WM54xKxCB 6PK WM54K Wall Mount Fan with Damper Door 6 pack ...

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: ...n 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: ...Package BK1154 For 2 Fans BK1154 of Bulk Parts Package needed for 1 WM54K 1 Motor Base Bracket Powder Coated 1 Belt Tensioner Bracket Powder Coated 4 Cone Support Brackets PC Type Galvanized 4 Cone Strut Mounting Brackets Galvanized 1 V Belt A Section 1 Hub with Bearings and Shaft 1 Motor Sheave CI 1 Prop Sheave AL 1 3 Idler Pulley A Section C I Blue 1 Rotary Tensioner Arm AL 1 Motor Mount Stiffen...

Page 5: ...ole Pivoting Shutter Clip PL T 1 AC0211 AC0212 Azuma Bolt Nut Blue PL X 1 KS1046 M10 1 5 x 50mm Hex bolt ZP 1 HK1001 Hardware Kit WM54K Fan Assembly 1 of 2 1 HK1002 Hardware Kit WM54K Fan Assembly 2 of 2 1 LB2647 Specification Label for WM54K HK1001 Hardware Kit for 1 WM54K Fan ID Qty Cat No Description AA 18 KS1007 5 16 18 x 1 25 SRTD Flange Head Bolts SS BB 4 KS1029 5 16 18 x 1 75 SRTD Flange Hea...

Page 6: ...ize A B C D Dia E F Wall Openings 54 60 W x 60 H 49 61 2 665 16 33 16 43 4 561 2 W x 561 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 3 8 Socket Phillips Screwdriver 3 Size 1 8 Drill Bit 5 32 Hex Wrench Wire Cutting Pliers Dimension varies depend...

Page 7: ... Chart A Wall Opening W x H Fan Dia 54 56 W x 56 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 neede...

Page 8: ...are the middle hole See Figure 2A Figure 2A Installation Instructions Chapter 2 Step 2B Attach the 3 Idler Pulley to the Tensioner Arm using Bolt X Then attach the Tensioner Arm assembly to the Tensioner Bracket using Bolt J and Splitlock Washer K Finger tighten only at this time See Figure 2B Next attach the Specification Label to the Tube Strut as shown and then mark the box for the appropriate ...

Page 9: ...t is pointing up Slide Shaft Shield M over 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 Figure 3 Shaft Shield M Hex Nut L Cap Cover N Tapping Screw B Figur...

Page 10: ...fice 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 ...

Page 11: ...eller Installation Instructions Chapter 2 Nut E Step 8 Slide Main Frame Assembly onto Orifice Panel with pin on Main Frame opposite the drain holes 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 Hole in orifice panel Figure 8A Figure 8B Bolt C Washer D Pin Main Frame Orifice Panel TEK Screw FF 2 3 Damper Door Installation Drain Ho...

Page 12: ...deform Drip Shield when installing screws Figure 9A Figure 9B Drip Shield Barn Screw not provided 4 Wall 6 Wall Drip plate Drip plate Support board Barn Screw Barn Screw 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 Figu...

Page 13: ...he Hinge Pin with the Nylon Washers The Wing sits down in the Groove of the upper right and lower left doors 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 GG per wing Make sure Hinge Pins do not fall out See Figure 11 Figure 11 Seal Washer Screw GG Wing Wi...

Page 14: ...78r1 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: ...ure 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 W...

Page 16: ...ull it 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 an 1 8 dia hole in each door through one of the dimples as shown For WM54 drill the 4th dimple from the center in both upper quadrants See Figure 16 Figure 15 Figure 16 Drill 4th Dimple ...

Page 17: ...re 17 Figure 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 fla...

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 t...

Page 19: ...lation 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 Co...

Page 20: ...ets 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 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 lea...

Page 21: ...Installation 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 chec...

Page 22: ...ith 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: ...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 If desired the 2 drain holes in the Orifice Panel can be plugged using 2 Hole Plugs KK Figure 28A Step 26B Using channel locks and or a hammer twist the motor bracket...

Page 24: ... of belt tensioner is aligned with Mark 2 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 2 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: ...8 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: ...2019 QM1078r1 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: ...r 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 WAR...

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 disconn...

Page 30: ...ssary 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 Tu...

Page 31: ...ds 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: ...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 Overrid...

Page 33: ...33 Munters Corporation September 2019 QM1078r1 1 2 4 3 5 6 7 8 9 11 13 14 16 17 12 18 10 15 Fan Components Exploded View 8 ...

Page 34: ... Munters Corporation September 2019 34 QM1078r1 25 24 19 20 21 22 23 Exploded View Chapter 8 Damper Cone Components ...

Page 35: ...3 FH2402K Belt Tensioner Assembly with 3 Idler Pulley 1 FH2406 3 Idler Pulley only with Bolt 1 FH2439 Tensioner Arm only AL 1 14 FH1968 1 Hole Pivoting Shutter Clip BLK PL 8 15 FH1341 Inlet Guard 2 x 2 Mesh GZ 1 16 FH1675 Tube Strut Center PWDCTD 1 17 FH1659 Drip Shield Plate AL 1 18 FH1980 Cone Strut Mounting Bracket GZ 4 19 FH1454 Outlet Guard Round CTD BLK 1 20 FH4655 Discharge Cone Section PL ...

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