Electro Industries EM-MC Series Installation & Operating Manual Download Page 28 | Manualshive

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07/29/2019

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EI915

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Summary of Contents for EM-MC Series

Page 1: ...uch as Single large exhaust source Kitchen range hood Single or multi speed exhaust blower interface Multiple exhaust sources Bathroom fan fireplace dryer gas furnace dryer etc Note In applications where the exhaust fan utilizes a multi speed blower this product has the ability to sense each fan speed by monitoring the amperage of the exhaust fan motor After completing the mechanical portion of th...

Page 2: ... Installation Overview 5 Mechanical Installation 6 Electrical Installation 9 Control Wiring 10 High Voltage Wiring 13 Basic Setup Configuration 14 Software Configuration 15 Understanding the Product Display 16 Normal Operation Screens 17 Multi Speed Setup 18 Operational Indicators 20 Start Up Inspection Observations 21 Advanced Installation Special Equipment Concerns 21 Troubleshooting 23 Routine ...

Page 3: ...verse environment 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 ...

Page 4: ...ge center Status LED OFF No message is available Status LED Blinking Message is available o To access available messages the user must press and hold the SELECT button for 3 seconds Possible messages Faulty sensor IN and or OUT Manual hi limit Automatic hi limit Software hi limit See Troubleshooting section for more information on viewing available messages ...

Page 5: ...M MC00 240 1 08 350 0 50 240 208 1 50 60 Hz N A 0 4 1 10 15A 8 EM MD00 240 1 10 600 0 50 240 208 1 50 60 Hz N A 0 8 1 5 15A 10 EM ME00 240 1 14 900 0 50 240 208 1 50 60 Hz N A 1 5 1 4 15A 14 EM MF00 240 1 14 1050 0 50 240 208 1 50 60 Hz N A 1 5 1 4 15A 14 EM MG00 240 1 14 1200 0 50 240 208 1 50 60 Hz N A 3 3 1 2 15A 14 Dimensional Drawings ...

Page 6: ...L 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 practices not accordi...

Page 7: ...our system operate as desired These components must be provided by the installing contractor These components may include but are not limited to Outside hood Insulated inlet ducting Outlet ducting Additional current transformers only for multi fan applications Low voltage wiring for the current transformer CT Source power wiring Refer to the below diagrams which show various system configurations ...

Page 8: ...ather 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 outside inlet hood and the fresh ai...

Page 9: ...07 29 2019 7 EI915 Horizontal installation Ceiling Mount Horizontal installation Wall Mount Option A Cover Facing Down Option B Cover Facing Side ...

Page 10: ...07 29 2019 8 EI915 Vertical Installation Wall Mount ...

Page 11: ...ual unit mechanical and wiring requirements will vary dependent upon specific model Low Voltage Wiring Temperature Sensors Two temperature sensors are included one used to sense inlet air temperature the other to sense supply or outlet air temperature Without proper installation of these probes the Make Up Air unit will not operate correctly ...

Page 12: ...per motor Room thermostat Note A switch closure between R W TB1 results in high speed blower output only Connection Details Connect one side of the field provided switch to the TB1 R and the other side of the switch to the TB1 W NOTE If using both Option 1 and Option 2 Option 1 R W always has priority over Option 2 CT R W results in HI fan speed only Current Transformer Option 2 CT terminal block ...

Page 13: ...t Transformer Triggering In order for the CT to properly communicate external exhaust source blower motor on off activity it may be necessary to provide one or more wraps of the power wire through the CT These steps apply to all three CT paired inputs HI MED and LO 1 From the external exhaust source blower motor nameplate or with actual clamp on current meter note and record the external exhaust s...

Page 14: ...2 5 Clothes Dryer Installations When installing this product with a clothes dryer make sure the power wire which services both one leg of the heating element and the drum fan motor is used Some dryers modulate the heating element on and off during the drying cycle which will cause the Make Up Air unit to shut off prematurely if the CT is installed on the power leg that services the heating element...

Page 15: ...and NEC code Note Larger models include factory provided circuit breaker s This qualifies as a local disconnect at the product 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 Note Single feed bus kit is available for larger models order part number 5701 ...

Page 16: ...d Adjustment the blue adjustment dial allows for fine tuning the blower speed If you do not need full CFM of your application and desire a larger temperature rise the blower speed can be reduced with this adjustment dial However you must realize the CFM is being reduced and you must maintain the appropriate requirement for balancing the building inlet to the outlet mechanical driven air NOTE Facto...

Page 17: ...re setup is necessary to meet these applications Applications one and two sequence When the CT input to CT terminal block TB2 labeled HI goes active the unit blower will go to high speed o If application one sequence ends here When the CT input to CT terminal block TB2 labeled MED goes active the unit blower will go to medium speed When the CT input to CT terminal block TB2 labeled LO goes active ...

Page 18: ...ptions during installation and setup DISPLAY NEXT Select available onscreen options during field installation and setup STATUS LED Indicates whether or not a message is available Solid No message available status good Pulsing Message available Note If pulsing press and hold select button ...

Page 19: ...t may be displayed based on system activity Screen one Idle screen displayed when the unit is off Screen two Active screen displayed when the unit is on Inlet Air Temperature Outlet Air Temperature Desired Outlet Air Temperature set point selection Blower Speed HI MED LO FAN OFF IN 30 OUT 50 DT N A CFM HI ...

Page 20: ...nd NEXT for 5 seconds FAN OFF Step 2 Select NEXT to begin MULTI SPD SETUP select HOME to return MULTI SPD NEXT HOME Step 3 Turn on vent hood to its highest setting then press NEXT SET EXT BL HI PRESS NEXT NOTE If display reads ERROR 1 0 0A PRESS NEXT Check CT doughnut wiring to verify it is correct then press NEXT Step 4 If vent hood has a medium speed select Y if not select N MED SPD Y N ...

Page 21: ... press NEXT SET EXT BL MED PRESS NEXT Step 6 If vent hood has a low speed select Y if not select N LO SPD Y N Step 7 Set vent hood to low speed if applicable then press NEXT SET EXT BL LO PRESS NEXT Step 8 Press NEXT after vent hood has been shut off TURN OFF EXT BL PRESS NEXT ...

Page 22: ...ry source breaker open STATUS LED Status LED front yellow LED is software driven LED which alerts the user that a message is available in the message center Status LED OFF No message is available Status LED Blinking Message is available o To access available messages the user must press and hold the SELECT button for 3 seconds Possible messages Faulty sensor OT and or ST See Troubleshooting sectio...

Page 23: ...nace this contact would be used to energize the furnace blower when the Make Up Air is activated FAN ON T5 Special output intended to be used by factory technician only Terminal has 24VDC do not use Multiple Exhaust Fan Blower Installation CT terminal block TB2 located on the left side of the control module labeled HI MED LO This terminal block allows connection of up to 3 CTs based on quantity of...

Page 24: ...olet brown wires from the disconnected internal damper actuator Connect these wires to the field installed external actuator Gray common Violet 24VAC open Brown 24VAC close B 2 wire power open spring return extend wires from the internal damper actuator gray and violet Cap off brown wire Gray common Violet 24VAC open Damper with End Switch 1 Depending upon the type of actuator select A or B above ...

Page 25: ...termine the incoming air temperature The incoming air temperature information is used in conjunction with the outlet sensor by the software Troubleshooting Temperature Sensors If the message center is indicating that one of the temperature sensors is faulty a volt meter with DC measuring capabilities can be used to help determine the issue Measuring across the red and white wires the meter should ...

Page 26: ...orrect o CT or R W If screen displays temperature screen compare the OUT and DT if ST DT this Make Up Air unit will not engage the electric elements Check the message LED If blinking see section labeled Start Up Inspection Observations Message Center for further instruction Manual reset limit may be open Manual reset limit switch located in control box Remember the heating is locked out when enter...

Page 27: ... to verify correct programming see Basic Setup Configuration section The blower runs in MED speed only If using CTs to turn this product on ensure correct wiring of CTs make sure MED speed blower CT only connects to the CT terminal block TB2 MED input If using Multi SPD Setup option verify external exhaust blower motor is not running medium speed once verified it is suggested you run through the M...

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Page 33: ...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 34: ...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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