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07/30/2019 

EI917 

Mechanical Installation 

 
This product is designed for zero clearance, but use the following mounting and spacing criteria: 

1.

 

Unit can be installed vertically or horizontally. When vertical, inlet must face down. 

2.

 

Observe the airflow direction decal and the inlet decal. 

3.

 

Make mounting provisions for a 1” air space at the top. 

4.

 

The sides, any location, can be in direct contact with wood framing materials. 

5.

 

No materials shall be in contact with the cabinet housing which has a flame point less than wood, 
300°F (150°C). 

6.

 

Product shall be installed in a conditioned space only. 

 

General: 

1.

 

Select a location which will provide minimal noise vibration and minimal fan noise to the 
building occupants. 

2.

 

The outside hood and ducting material are not included with this unit. It is the installer’s 
responsibility to provide the necessary weather protection for the inlet. 

 

In cold climates, insulated ducting 

must 

be used between the outside inlet air hood and the 

inlet of this unit. 

3.

 

Install unit with a slight air inlet incline (housing outlet end is ¼” higher than inlet end). 

4.

 

The unit can be mounted within the ceiling (between joists where it will fit) or ceiling hung, at 
any convenient location between the outside inlet hood and the fresh air discharge connection. 

 

The discharge connection is wherever the conditioned fresh air is distributed within the 
building – furnace cold air return, special ducting, hallway register, furnace room, etc. 

5.

 

6” inlet and outlet ducting is adequate for these two mini models.  

 

Note: 

In cold climates, frost and or condensation may collect on metal parts of this product. External field 

provided insulation may be required in certain situations. The inlet damper and insulated inlet piping will 
prevent cold air migration and a slight incline will keep moisture collection at the inlet end. 
 

 

Summary of Contents for EM-MB00

Page 1: ...on device switch closure connected to R W Class II wiring High voltage wiring Fresh air intake wall vent Inlet outlet ductwork Application This product aids in preventing building depressurization where there is an exhaust blower fan coupled with a tight building envelope Conforms to UL STD UL1995 Certified to CSA STD C22 2 236 DO NOT DESTROY THIS MANUAL PLEASE READ CAREFULLY AND KEEP IN A SAFE PL...

Page 2: ...2 Specification Tables 2 Dimensional Drawings 3 Safety Consideration 4 Installation Requirements 4 Installation Overview 5 Mechanical Installation 6 Electrical Installation 8 Control Wiring 8 High Voltage Hookup 9 Basic Setup 10 Operational Indicators 10 Troubleshooting 11 Routine Maintenance 11 Replacement Parts 11 Drawings UAW863 XX017 ...

Page 3: ...vironment This product is designed for in building storage and installation only As much as possible this product must be protected throughout the construction phase to avoid accumulation of dust and moisture on the components and control box The installing contractor is responsible for maintaining the cleanliness and quality of this unit until installation is complete and approved by the user end...

Page 4: ... 2019 2 EI917 Specification Table Specifications Model CFM Volts Phase Internal CB Motor FLA Motor HP Max Fuse HACR Amps Duct Connection Max Static EM MB00 120 1 06 150 0 03 120 1 50 60 Hz N A 0 5 1 18 15A 6 ...

Page 5: ...07 30 2019 3 EI917 Dimensional Drawings ...

Page 6: ...CODE AND LOCAL ELECTRIC CODES ORDINANCES AND REGULATIONS WARNING OBSERVE ELECTRIC POLARITY AND WIRING COLORS FAILURE TO OBSERVE COULD CAUSE ELECTRIC SHOCK AND OR DAMAGE TO THE EQUIPMENT CAUTION This unit can only be used for its intended design as described in this manual Any internal wiring changes modifications to the circuit board modifications or bypass of any controls or installation practice...

Page 7: ...stalling contractor These components may include but are not limited to Outside inlet hood Insulated inlet ducting Outlet ducting The turn on method or switch Remote damper with END switch also see Control Wiring section Current sensing switch building exhaust fan blower Relay contact detecting the building exhaust fan blower running Source power wiring Refer to the below diagrams which show vario...

Page 8: ...sibility to provide the necessary weather protection for the inlet In cold climates insulated ducting must be used between the outside inlet air hood and the inlet of this unit 3 Install unit with a slight air inlet incline housing outlet end is higher than inlet end 4 The unit can be mounted within the ceiling between joists where it will fit or ceiling hung at any convenient location between the...

Page 9: ...07 30 2019 7 EI917 Horizontal installation Ceiling Mount Vertical Installation Wall Mount Horizontal installation Wall Mount Option A Cover Facing Down Option B Cover Facing Side ...

Page 10: ... the through wall hood this can be field furnished and wired using the following guidelines Required is a 24VAC power to open spring close Note It is assumed the existing power damper will be removed damper blocked open or actually used in parallel with the field added damper External damper without end switch 1 Locate the two wires connected to the existing damper violet and gray 2 Splice and ext...

Page 11: ...vice size requirements based on UL and NEC code Note These two models require 120VAC source not 240 Source Power route and install proper current carrying conductors as per local code requirements from service panel Nameplate shows current and kW rating Use copper wire only Safety Ground copper wire is required do not depend upon metal conduit ...

Page 12: ... for balancing the building inlet to the outlet mechanical driven air NOTE Factory default setting is low full clockwise To increase speed turn dial counter clockwise COMMENT The fan low speed is approximately 120 CFM Operational Indicators Green LED on control board Full on low voltage present and okay micro controller is functioning etc Two pulses bad outlet temperature sensor Three pulses contr...

Page 13: ...ication does not determine a bad temperature reading it simply indicates there is software communication to the sensor itself Temperature Sensor Detail Red wire to J2 1 5VDC or RED Black wire to J2 2 DATA or BLK White wire to J2 3 COM or WHT Air Filter A dirty filter can lead to poor system performance and eventual hi limiting It is suggested to wash filter at least twice per year See Routine Main...

Page 14: ...DECAL TITLEBLOCK DO NOT PRINT AS DECAL ...

Page 15: ...acement Labor Allowance Schedule for a period of ninety 90 days from the date of original purchase to the original owner at the original installation site The Repair Replacement Labor Allowance is designed to reduce the cost of repairs This Repair Replacement Labor Allowance may not cover the entire labor fee charged by your dealer contractor TWENTY YEAR 20 LIMITED WARRANTY ON BOILER ELEMENTS AND ...

Page 16: ...ubject to adjustment upon verification of defect 2 Any product or product part that has been damaged as a result of being improperly serviced or operated including but not limited to the following operated during construction phase with insufficient water or air flow allowed to freeze subjected to flood conditions subjected to improper voltages or power supplies operated with air flow or water con...

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