background image

 

 

6.  Use four (4) threaded rods for overhead installation or 

four (4) threaded bolts for wall installation. All hardware 
is field provided by others. (FIG. 3) 

 

FIG. 3 

7.  If applicable, optional Adjustable Mounting Brackets, 

Side Extension Plates and Extended Wall Mounted 
Brackets are also available for installations over a 
Vertical Lift or Drum Roll-up type door. (Reference 

Accessory Installation Supplement

8.  If applicable, for tandem installation or products 

mounted side by side, allow no more than 6” between 
the two products. For overhead installation using 
threaded rods, the products may require a beam, by 
others, to span the full distance of the mounting length. 
(Reference 

Accessory Installation Supplement

9.  All wires must be connected internal of the unit and 

some knockouts are provided. However, it may be 
necessary to create your own knockout, as required. 

10. The unit must be wired per NEC and local codes. 

 
Electrical Field Wiring  

 
The unit and any optional accessories must be wired with 
the proper voltage to the junction box per the wiring 
diagram. (FIG. 4, unheated products only)  
 

 

FIG. 4 

 
START-UP 
 

This product has been assembled and tested at the 
factory prior to shipping. The following procedures should 
be performed to assure its performance. Before 
continuing with the start-up, it is important  to  recognize 
the safety controls furnished with the unit.

 

 

    WARNING 

The following items must all be completed by a qualified 
installer and checked off when completed 
 
A.  Re-check that the product has been installed properly 

and is level and secure. 

B.  Check all terminal screws are tight and field wiring is 

connected in accordance to National Electrical Code 
and wired per the enclosed wiring diagram. For 
electric heated models, ensure that the coils are 
secured and not touching each other on any metal 
surface. 

C.  Verify proper voltage prior to powering the product. 

(See product label for reference). 

D.  Check all field  wired components “if supplied” are 

wired correctly. 

E.  Check that the inlet air supply and the discharge air 

supply are free of obstructions. 

F.  Check that all air filter(s) and/or air intake grille(s) are 

in place and installed properly, as originally shipped. 

G.  Verify voltage to the product once more and turn 

power on. 

H.  Regardless of whether the product is mounted on the 

inside or outside of the door opening, set the air 
directional vanes in the discharge nozzle slightly 
outward to approximately 10-15° towards the outside, 
or the wind load. (FIG. 5). 

 

NOTE 

 

For accessory installation, reference Accessory 
Installation Supplement. 

 

For heated products, reference Heated Products 
Supplement.

 

 

    WARNING 

Prevent hazard of electrical shock.  More than one 
disconnect switch may be required to de-energize this 
product. 

   

Summary of Contents for LoPro 2 Series

Page 1: ...esign 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 LPV2...

Page 2: ...ithout 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 Table of Co...

Page 3: ......

Page 4: ...ends without intermediate support up to 72 Models 84 to 144 require intermediate support in the center Adjustable air directional vane with 40 sweep front to back Standard color is Obsidian Black Rust...

Page 5: ......

Page 6: ...in power from circuit breaker at 115v 1MTR Door SW C NC LPV2 Wiring PUR BLK WHT YEL ORG GRN 1MTR Door SW C NC PUR BLK WHT YEL ORG GRN LPV2 LPN2 115V Unheated Wiring diagram with Door switch LPN2 Wirin...

Page 7: ...ower from circuit breaker at 208 230v 1MTR Door SW C NC LPV2 Wiring PUR WHT BLK ORG GRN 1MTR Door SW C NC PUR WHT BLK ORG GRN LPV2 LPN2 208 230V Unheated Wiring diagram with Door switch LPN2 Wiring YE...

Page 8: ...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 9: ...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 10: ...stamped air intake screen s The LPV2 models can be configured with an aluminum mesh filter s as an option The LPN2 models 25 and all LPN F models come standard with an aluminum mesh air intake filter...

Page 11: ...l other accessories from interior of unit prior to operating Severe unit damage will occur if these items are not removed prior to operation 2 Lay unit on its top with directional vanes pointing up an...

Page 12: ...uing with the start up it is important to recognize the safety controls furnished with the unit WARNING The following items must all be completed by a qualified installer and checked off when complete...

Page 13: ...nimize condensation and freezing for freezer applications We recommend the air curtain unit to not replace doors but work in conjunction with door opening sequence cycle Contact factory for details CA...

Page 14: ...in this manual Obstruction 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 be...

Page 15: ...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 16: ...sponsible 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...

Page 17: ...edestrian entrances B Air curtains for countertop and drive through windows 1 2 RELATED SECTIONS A Section 05 50 00 Metal Fabrications Concealed steel support members B Section 06 10 00 Rough Carpentr...

Page 18: ...Alloy Coated Galvannealed by the Hot Dip Process E AHRI 410 2001 Standard for Forced Circulation Air cooling and Air Heating Coils F NSF ANSI 37 Air Curtains for entranceways in food and food service...

Page 19: ...anufacturer s operation and maintenance manual including operation maintenance adjustment and cleaning instructions troubleshooting guide parts list and electrical wiring diagrams 1 5 QUALITY ASSURANC...

Page 20: ...ir over TEAO cooled motor with sealed lifetime pre lubricated ball bearings motor starter and thermal overload protection a LPN2 Units Wired for single speed operation b LPV2 Units Wired for variable...

Page 21: ...lows 1 UV UVC UVV germicidal and odor elimination 4 UV section with disposable UV bulbs 5 Discharge Provide integral discharge nozzle specified 6 Finish and Color Provide with no VOC corrosion resista...

Page 22: ...c Single Motor Fan Units LPV2 48 52 dBA d Single Motor Fan Units LPV2 60 LPV2 72 53 dBA e Two Motor Fan Units LPV2 84 LPV2 96 53 dBA f Two Motor Fan Units LPV2 108 LPV2 144 54 dBA D Insect Control Ai...

Page 23: ...Units LPV2 108 to LPV2 144 54 dBA 2 3 COMPONENTS A Electric Heaters Provide complete with motor control panel factory mounted to air curtain housing and thermostat to be field installed 1 Temperature...

Page 24: ...h to control air curtain s as follows Automatic on off control activates air curtain when door is opened and turns off when door is closed Provide limit switch for direct control one 1 HP or up to two...

Page 25: ...for the opening PART 3 EXECUTION 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 curtain...

Page 26: ...performance on a calm day by measuring 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 prom...

Page 27: ...evisions 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 Descriptio...

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