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TROUBLESHOOTING MOTOR 
 

To determine if the motor is  in  good  operating condition,  compare measured motor  resistance at the motor 
terminals to the values shown below.  

 

 

HIGH SPEED (1750) MEDIUM SPEED (1650) LOW SPEED (1450)

Applicable 

Air Curtain 

Series

Mars Part # Manufacturer Part #

Brand

Motor Rating

HP

Voltage

Phase

Black Motor Wire  & White 

Motor Wire

-

-

03-001

7190-1682

Fasco

Nema 1

1/6

115

1

11.5

-

-

03-002

7190-1903

Fasco

Nema 1

1/6

115

1

8.4

-

-

03-003

7190-1825

Fasco

Nema 1

1/6

230

1

64

-

-

03-004

7190-1904

Fasco

Nema 1

1/6

230

1

44.6

-

-

Applicable 

Air Curtain 

Series

Mars Part # Manufacturer Part #

Brand

Motor Rating

HP

Voltage

Phase

White Motor Wire (T1) 

Black Motor Wire (T3)

White Motor Wire (T1) 

Black Motor Wire (T5)

White Motor Wire (T1) 

Black Motor Wire (T2)

03-010

34G928X169

Baldor

Washdown (IP54)

1/2

115

1

1.2

-

-

03-010

34G928X169

Baldor

Washdown (IP54)

1/2

208/230

1

4.6

-

-

03-005

7124-1175

Genteq

Nema 1

1/2

115

1

2.6

3.8

5.2

03-006

7124-1560

Genteq

Nema 1

1/2

208/230

1

9.9

15.9

22.5

03-007

48S17T439

Marathon

Nema 1

1/2

277

1

7.7

-

-

03-005

K055PWM1736C13H

Nidec

Nema 1

1/2

115

1

2.1

3.7

5.2

03-005

K055PWM1736C13H

US

Nema 1

1/2

115

1

5.3

3.7

5.4

03-006

US

Nema 1

1/2

208/230

1

8.7

18.2

24.2

Applicable 

Air Curtain 

Series

Mars Part # Manufacturer Part #

Brand

Motor Rating

HP

Voltage

Phase

White Motor Wire (T1) 

Black Motor Wire (T2)

White Motor Wire (T1) 

Black Motor Wire (T3)

-

03-021

35T276R025G1

Baldor

Washdown (IP54)

1

115

1

0.7

-

-

03-015-Baldor

35M316S174

Baldor

Nema 1

1

115

1

0.6

-

-

03-015-Baldor

35M316S174

Baldor

Nema 1

1

208/230

1

2.2

-

-

03-021

35T276R025G1

Baldor

Washdown (IP54)

1

208/230

1

2.8

-

-

03-014

7124-0985

Genteq

Nema 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 Motor Wire (L1) 

Red Motor Wire (L2)

Black Motor Wire (L1) 

White Motor Wire (L3)

Red Motor Wire (L2) 

White Motor Wire (L3)

03-008

P55YYDHB-1527

US

Nema 1

1/2

208-230

3

16.1

16.1

16.1

03-008

P55YYDHB-1527

US

Nema 1

1/2

460

3

63.6

63.6

63.6

03-009

48T17T135

Marathon

Nema 1

1/2

575

3

136

136

136

03-017

56T17T5541

Marathon

Nema 1

1

208-230

3

4.3

4.3

4.3

03-017

56T17T5541

Marathon

Nema 1

1

460

3

16.5

16.5

16.5

03-018

56T17T5544

Marathon

Nema 1

1

575

3

26.6

26.6

26.6

03-022

35N127S902

Baldor

Washdown (IP54)

1

208-230

3

5.1

5.1

5.1

03-022

35N127S902

Baldor

Washdown (IP54)

1

460

3

19.8

19.8

19.8

03-026

165716

Century

Nema 1

3

208-230

3

1.5

1.5

1.5

03-026

165716

Century

Nema 1

3

460

3

5.7

5.7

5.7

03-028

35E92Y26

Baldor

Nema 1

3

575

3

9.2

9.2

9.2

03-110

36H110-2211G1

Baldor

Nema 1

1,2,3

208-230

3

3.5

3.5

3.5

03-110

36H110-2211G1

Baldor

Nema 1

1,2,3

460

3

13.5

13.5

13.5

03-055

37F932W828G1

Baldor

Nema 1

5

230

3

0.7

0.7

0.7

03-055

37F932W828G1

Baldor

Nema 1

5

460

3

2.4

2.4

2.4

03-046

37F909X889G1

Baldor

Nema 1

7

230

3

0.6

0.6

0.6

03-046

37F909X889G1

Baldor

Nema 1

7

460

3

1.6

1.6

1.6

03-033

U639A - 215TTFC6027 Marathon

Nema 1

10

208-230

3

0.4

0.4

0.4

03-033

U639A - 215TTFC6027 Marathon

Nema 1

10

460

3

1.2

1.2

1.2

03-074

GT1128A 170118.60

Marathon

Nema 1

25

575

3

0.5

0.5

0.5

BD

HV2, NH2, 

PH12

EP2

WMI

WMH

STD2, N2, 

PH10, QP10

Applicable 

Air Curtain 

Series

Mars Part #

HP

Voltage

Brand

Motor Rating

Manufacturer Part #

Phase

LEAD WIRE OHM READINGS

MOTOR WIRES OR TERMINAL (T) OHM READINGS

Single Phase Motors

MARS MOTOR RESTANCE READINGS

Three Phase Motors

LPV2, LPN2

STD2, N2, 

PH10, QP10

HV2, NH2, 

PH12

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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