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WARRANTY 

 
Mars’ warranty coverage, period, extent,  and 
limitations apply to the product only. It does not apply 
to labor. Mars warrants that Mars product 1) Is free 
from defects in materials and workmanship and 2) 
Conforms to Mars’ published specifications.  The 
warranty period for Mars WMI and WMH product is a 
twelve (12) month period commencing on its date of 
shipment. The date on customer’s invoice is the date 
of shipment unless Mars or your reseller informs you 
and Mars otherwise. Mars will provide free 
replacement of any part that fails as a result of a 
defect in material or manufacturer’s workmanship. 
Changes in operational specification parameters that 
are different from those provided on the  original 
purchase order are not covered.  Mars product is 
inspected and tested before packaging and is 
shipped in working condition. The warranty for Mars 
product only covers free-of-charge replacement of 
failed parts. The warranty does not cover labor and 
transportation expenses that may be required to 
provide and to install replacement parts. Because in 
many instances, it is impossible to determine the 
cause of failure, customer may be responsible for 
transportation charges associated with replacement 
of failed part. Mars does not warrant uninterrupted or 
error-free operation of Mars product.  Under no 
circumstance is Mars liable for any of the following: 
1) Third-party claims against you for damages; or 2) 
Special, incidental, or indirect damages or for any 
economic consequential damages (including lost 
profits and savings), even if Mars, its suppliers, or its 
reseller is informed of their possibility. The warranty 
does not cover repair or exchange of Mars product 
resulting from misuse, accident, modification, 
unsuitable physical or operating environment, 
improper maintenance and installation by customer, 
or failure caused by a product for which Mars is not 
responsible. The warranty does not cover damages 
caused by mishandling during transportation.  The 
warranty is voided by removal or alteration of Mars 
product or parts identification labels, by improper 
installation of product, and resulting non-compliance 
to federal, state,  and local codes and regulations. 
Additionally, Mars reserves the right to void the 
warranty for non-payment of invoice. 

 
CONTACT FACTORY FOR COMPLETE PARTS 
LIST FOR ALL MODELS. 
 
KEEP THIS MANUAL FOR YOUR RECORDS. 

Model Number: ______________________________ 

Serial Number: ______________________________ 

Date Purchased:  ____________________________ 

Dealer Purchased From: ______________________ 

 

 

 

 

14716 S. Broadway St., Gardena, CA 90248 

(310) 532–

1555 ● 

(800) 421-1266 

Fax: (310) 324-3030 

Please go to our website at 

www.marsair.com

 for a 

downloadable version of this document. 

Summary of Contents for WMH Unheated Series

Page 1: ...without notice Such revisions do not entitle the buyer to corresponding changes improvements additions or replacements for previously purchased equipment MARS AIR SYSTEMS LLC GARDENA CA USA WMH Unheat...

Page 2: ...tice Such revisions do not entitle the buyer to corresponding changes improvements additions or replacements for previously purchased equipment MARS AIR SYSTEMS LLC GARDENA CA USA Table of Contents Pa...

Page 3: ......

Page 4: ...see table above for models available CSA Certified to conform to UL 507 US and CSA 22 2 Canada Standards Indoor Outdoor Use Top and wall mounting holes provided 5 8 Cabinet has sufficient strength fo...

Page 5: ......

Page 6: ...nged door type door limit switch installation FIG 1 2 Use light gauge materials when field fabricating brackets to activate and deactivate the door limit switch s FIG 2 Figure 2 also shows the typical...

Page 7: ...6 STD SHOWN 3 Extended Wall Mounting For Tandem Mounting of air curtain over sectional style door use either wall mounting angle brackets or threaded rods 4 Top Mounting Brackets For overhead installa...

Page 8: ...s The WMI WMH Series can be configured with Flat Bank or V Bank Filter Sections as options GENERAL SAFETY INFORMATION Use this product only in the manner intended by the manufacturer If you have any q...

Page 9: ...s of the housing Note Bracket Support mounting is not generally recommended for Air Curtains equipped with steam or hot water coils Overhead installation using threaded rods with independent suspensio...

Page 10: ...blower wheels note direction arrows on the blower wheel housing Correct if needed by changing polarity of three phase power L VERY IMPORTANT Using a clamp meter measure the amperage to each motor and...

Page 11: ...all the product reverse the procedures above 8 Reconnect the power source to the product 9 If you have any questions regarding the maintenance of the product contact the manufacturer SPECIAL APPLICATI...

Page 12: ...bstruction on intake or discharge Remove obstruction or move air curtain Power leads out of polarity Switch power leads to correct polarity 3 phase models only Blower motor rotating below normal speed...

Page 13: ...ema 1 1 115 1 1 6 2 4 03 015 7124 1096 Genteq Nema 1 1 208 230 1 6 5 9 2 03 015 Nidec Nema 1 1 208 230 1 4 3 6 5 03 014 K55BWJZB 2362 US Nema 1 1 115 1 1 2 1 03 015 US Nema 1 1 208 230 1 3 2 6 3 Black...

Page 14: ...ninterrupted or error free operation of Mars product Under no circumstance is Mars liable for any of the following 1 Third party claims against you for damages or 2 Special incidental or indirect dama...

Page 15: ...CLUDES A Air curtains for pedestrian entrances B Air curtains for vehicular entrances C Air curtains for large loading dock doors 1 2 RELATED SECTIONS A Section 05 50 00 Metal Fabrications Concealed s...

Page 16: ...for Forced Circulation Air cooling and Air Heating Coils F CRN Canadian Registration Number Coil G ANSI Z223 NFPA 54 National Fuel Gas Code H NEC National Electric Code 1 4 SUBMITTALS A Submit under...

Page 17: ...on B Installer Qualifications Minimum five years documented experience installing products specified in this Section 1 6 DELIVERY STORAGE AND HANDLING A Store products in manufacturer s unopened packa...

Page 18: ...s indicated d Electrical Characteristics 208 230V AC three phase 19 0 15 8 Amp full load per motor fan e Electrical Characteristics 460V AC three phase 7 9 Amp full load per motor fan f Electrical Cha...

Page 19: ...vanes with a plus minus 40 degree sweep front to back 2 Air Velocity at Nozzle a WMH 96 2 99 Inch 2516 mm Wide Units 3732 feet min 18 9 m s two 5HP motor fan assemblies b WMH 120 2 123 Inch 3126 mm W...

Page 20: ...coils for field mounting on air intake side of the air curtain cabinet with opposite end connections 1 Output Air curtain manufacturer s standard one row coils 2 Output Air curtain manufacturer s stan...

Page 21: ...ch is used to automatically start and stop the air curtain Thermostat is included with optional motor control panel for field installation Provide motor control panel as follows 1 Thermostat Wall moun...

Page 22: ...3 1 EXAMINATION A Verify that required utilities are in correct location and are of correct capacities for specified products B Verify openings to receive air curtains are plumb level square accurate...

Page 23: ...asuring air temperature 6 inches off the floor Optimal reading is halfway between the temperature inside and outside the building 3 4 CLEANING A Clean air curtains promptly after installation in accor...

Page 24: ...ions do not entitle the buyer to corresponding changes improvements additions or replacements for previously purchased equipment MARS AIR SYSTEMS LLC GARDENA CA USA Reference Links Link Description ht...

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