MAXA-MISER VR028A15M/H Installation Instructions Manual Download Page 12

Unitary

5005

  Norman

Products

York

           OK

Group

Drive

       73069

Supercedes: 035-19268-001-A-1108
Sub ject to change with out no tice. Printed in U.S.A.
Copy right © by Uni tary Prod ucts Group 2005. All rights re served.

035-19268-002-A-0709

R28A-18YDW

START UP INFORMATION SHEET 

VOLTAGE - UERV UNIT

In com ing  Volt age  L1-L2

L1-L3

L2-L3

Run ning  Volt age  L1-L2

L 1-L3

L2-L3

Sec ond ary  Volt age

C (black) to G (green) Volts*

C (black) to W (white) Volts*

* With ther mo stat call ing.

AM PER AGE - UERV MO TORS

In take  Mo tor:  Nom i nal  HP

   Rated Amps

   Run ning Amps

Ex haust  Mo tor:  Nom i nal  HP

   Rated Amps

   Run ning Amps

Wheel  Mo tor:  Nom i nal  HP

    Rated Amps

   Run ning Amps

AIR FLOW

In take  De sign  CFM

              Pres sure Drop

  Cal cu lated CFM

Ex haust  De sign  CFM

              Pres sure Drop

  Cal cu lated CFM

Amb. db Temp  

      Re turn Air db Temp*

   Tem pered Air db Temp*

Amb. wb Temp

      Re turn Air wb Temp*

   Tem pered Air wbTemp*

* Mea sure af ter 15 min utes of run time 

IN STAL LA TION  CHECK  LIST

UERV Model #

Se rial  # 

Owner

Owner Phone #

Owner Ad dress 

In stall ing  Con trac tor

Start Up Me chanic

q

Inspect the unit for transit damage and report any damage on the carrier’s freight bill.

q

Check model number to insure it matches the job requirements. 

q

Install field accessories and unit adapter panels as required. Follow accessory and unit installation manuals. 

q

Verify field wiring, including the wiring to any accessories. 

q

Check all multi-tap transformers, to insure they are set to the proper incoming voltage.

q

Verify correct belt tension, as well as the belt/pulley alignment. Tighten if needed.

q

Prior to energizing the unit, inspect all the electrical connections. 

q

Power the unit. Bump the motor contactor to check rotation. Three phase motors are synchronized at the
factory. If blower motor fans are running backwards, de-energize power to the unit, then swap two of the three
incoming electrical lines to obtain proper phasing. Re-check. 

q

Perform all start up procedures outlined in the installation manual shipped with the unit.

q

Fill in the Start Up Information as outlined on the opposite side of this sheet. 

q

Provide owner with information packet. Explain the thermostat and unit operation. 

Summary of Contents for VR028A15M/H

Page 1: ...m back to the cold drier intake air supply during the other half rotation In summer the process is automatically reversed Heat and moisture are absorbed from incoming fresh air supply and transferred...

Page 2: ...Position standoff legs so that flat foot is on bottom of stand and reinstall nut and bolt assembly Do not fasten tightly adjustment will need to be made when unit is put into position 12 Apply the pro...

Page 3: ...oftop unit This is accomplished by removing door panel at the return air opening loosing screw in center of damper then slide damper rod up or down in the return airstream and re tighten screw Replace...

Page 4: ...otating when in the air stream the UERV is always being cleared by air first in one direction then the other Because it is always dry dust or other particles impinging on the surface during one half c...

Page 5: ...icated sealed bearings no further lubrication is necessary Mechanical Inspection Make visual inspection of dampers linkage assemblies and UERV rotating bearings during routine maintenance Filters shou...

Page 6: ...two outer corners press the segment towards the center of the wheel and inwards against the spoke flanges If hand pressure does not fully seat the segment insert the flat tip of a screw driver betwee...

Page 7: ...04 1 09 1 09 1 09 1 08 1 05 0 99 0 90 0 82 0 75 0 89 0 88 0 87 0 85 0 81 0 75 0 66 0 59 0 5 0 69 0 68 0 65 0 62 0 57 0 5 0 42 0 35 0 25 0 00 0 20 0 40 0 60 0 80 1 00 1 20 1 40 1500 1600 1700 1800 200...

Page 8: ...PAGE 8...

Page 9: ...x Wheel J51 Jack Control Box Exhaust Air J56 Jack Control Box Damper J148 Jack Fresh Air Motor Harness J150 Jack Wheel Motor Harness J151 Jack Exhaust Air Motor Harness J152 Jack Transformer High Volt...

Page 10: ...w ambient switch 2 Step down transformer assembly for 460 volt units 3 Selective voltage terminal for proper unit voltage 4 Optional low ambient switch 5 Optional motorized intake damper 6 Optional st...

Page 11: ...PAGE 11 EQUIPMENT LAYOUT...

Page 12: ...g Contractor Start Up Mechanic q Inspect the unit for transit damage and report any damage on the carrier s freight bill q Check model number to insure it matches the job requirements q Install field...

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