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EV450RT               

Due to continuing product development, specifications are subject to change without notice.

               © 2014 RenewAire LLC

138060_009                      EV450RTMan_Feb14.indd                      Revised 02/2014                       www.renewaire.com                      

Page 12

Danger of injury from un-guarded blowers in unit. 

Disconnect power to unit before opening door.

Danger of injury if unit starts unexpectedly. Switch 

power off at service disconnect. Lock-out/tag-out the 

disconnect.

Filters must be used or the energy exchange core will 

become blocked by dust and the unit will not do its job.  

In extreme cases components may be damaged.

DO NOT WASH THE ENERGY EXCHANGE CORE. 

Keep it away from water or fire to avoid damaging it. 

Always handle the core carefully.

Maintenance

SUMMARY MAINTENANCE REQUIREMENTS

Change Filters 

Inspect Blower   

General Cleaning and Inspection

Clean Energy Exchange Cores

 

CHANGING THE FILTERS

Inspect and/or replace filters every two or three months when 

the unit is in regular use, or as needed.

• 

Turn off unit completely! Lock-out and tag-out the unit 

disconnect switch.

• 

Open the Door. The door is secured with turn-type latches 

or draw latches, plus one Phillips-head securing screw. Keep 

the securing screw. NOTE: Always replace securing screw 

when reinstalling door.

•  Remove and dispose of all (2) filters. Replace all (2) filters.

 

NOTE: See chart for information on the initial resistance of 

the filters originally supplied with this unit. If replacement 

filters have higher resistance, the airflow of the system will 

be lower.

• 

Close door; reinstall securing screw.

Blower Inspection

Inspect Blowers every time you change the filters.

•  Confirm bearings are still secure to blower shaft. It should 

not be possible to move the blower shaft back and forth 

along its length.

•  Confirm blower wheel is not rubbing against the blower inlet 

or housing.

GENERAL CLEANING AND INSPECTION

Perform general cleaning and inspection when changing filters.

• 

Remove dust from blower wheels periodically.

• 

Remove paper, leaves, etc. from inlet and outlet screens.

• 

Inspect for insect nests.

TO CLEAN THE ENERGY EXCHANGE CORE

Clean the core annually.

•  Remove the filters.
• 

Vacuum the exposed faces of the energy exchange core with 

a soft brush.

• 

Vacuum out dust from the rest of the unit case.

•  Install new filters.

Use proper eye protection when servicing unit.

Do not allow the access door to drop when unlatched. 

Do not allow the access door to get caught by the wind. 

Injury to personnel or damage to unit may occur.

Initial Resistance of Filters supplied with this unit:

Pleated_Filter_PD_JUNE06.xls

14 X 20 MERV 8

6/26/2006

INITIAL PRESSURE DROP: 14 x 20 MERV 8 FILTERS

RENEWAIRE PART NUMBER 103056

0

0.1

0.2

0.3

0.4

400

500

600

700

800

900

1000

CFM FILTER

PRESSURE DROP THROUGH FILTER ("H

2

O)

"14X20_MERV8_JUNE06.pdf"    6/26/06

Certified data provided by filter manufacturer.

INITIAL PRESSURE DROP 14” x 20” MERV 8 FILTERS

RENEWAIRE SERVICE PART NUMBER 990091

Filter Specifications:

(2) 14” x 20” x 2”(nominal) pleated filters

Actual size: 13.5” x 19.5” x 1.75”

Unit shipped with MERV-8 Filters

Minimum recommended effectiveness: MERV-6

RISK OF INJURY OR DAMAGE.
Motor may have a manual reset thermal protector. Dis-

connect power before servicing or resetting motor ther-

mal protector. Use caution, motor may be hot. Allow the 

motor to cool before resetting the thermal protector.
If the motor thermal protector tripped, correct the is-

sue that caused the motor to overheat (e.g. over motor 

rated amperage or locked rotor).
If the motor has a manual reset thermal protector, the 

red thermal protector reset button is located on the mo-

tor body, on or near the lead end of the motor. If the 

button does not reset, the motor may still be too hot. 

Allow the motor to fully cool to reset the thermal pro-

tector, you should feel or hear a click when the thermal 
protector resets while pushing the reset button.

Summary of Contents for EV450-RT ECM

Page 1: ...tallation must comply with all applicable building health and safety code requirements 5 This unit must be grounded 6 Danger of severe injury to bystanders and damage to unit or property if high winds...

Page 2: ...e optional roof adapter at least one of the ducts is outside and must be weatherized Any weatherized duct must be thermally insulated to prevent condensation on the inside or outside of the duct The d...

Page 3: ...lation are the Responsibility of the Electrical Contractor Before bringing power to the unit check unit nameplate to confirm it matches the voltage and phase of the power you are supplying Remember th...

Page 4: ...ire com Page 4 EV450RT Dimensions 12 1 8 2 5 8 11 3 4 5 1 2 2 3 4 8 3 4 4 1 2 10 Single Phase 8 1 4 Three Phase TOP VIEW Door Removed EA OA Electrical Box FA FILTERS RA 37 1 2 1 5 3 4 3 1 8 6 12 3 8 4...

Page 5: ...n_Feb14 indd Revised 02 2014 www renewaire com Page 5 EV450RT Replacement Parts A CORE B FILTERS C DOOR ASSEMBLY D DRAW LATCH E DISCONNECT SWITCH F TRANSFORMER G ISOLATION RELAY H CIRCUIT BREAKER J CO...

Page 6: ...Units openings must be cut into RTU Duct openings to be field cut into adapter Opening location and size is flexible For horizontal connection of either the Fresh Air duct or the Return Air duct stack...

Page 7: ...uired by code to secure the field wiring Electrical Options are identified on the Unit Label located near electrical box on the outside of the unit Find the complete Unit Model Number in the lower lef...

Page 8: ...UNIT INTERNAL CONTROL WIRING SIMPLIFIED UNIT INTERNAL CONTROL WIRING SIMPLIFIED SH A SWITCH OR NON POWERED CONTROL USING UNIT S 24VAC POWER SUPPLY AN EXTERNAL CONTROL DEVICE USING UNIT S 24VAC POWER...

Page 9: ...o continuing product development specifications are subject to change without notice 2014 RenewAire LLC 138060_009 EV450RTMan_Feb14 indd Revised 02 2014 www renewaire com Page 9 THIS PAGE LEFT INTENTI...

Page 10: ...o continuing product development specifications are subject to change without notice 2014 RenewAire LLC 138060_009 EV450RTMan_Feb14 indd Revised 02 2014 www renewaire com Page 10 THIS PAGE LEFT INTENT...

Page 11: ...o continuing product development specifications are subject to change without notice 2014 RenewAire LLC 138060_009 EV450RTMan_Feb14 indd Revised 02 2014 www renewaire com Page 11 THIS PAGE LEFT INTENT...

Page 12: ...ANING AND INSPECTION Perform general cleaning and inspection when changing filters Remove dust from blower wheels periodically Remove paper leaves etc from inlet and outlet screens Inspect for insect...

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