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01/31/2008  

NC805 

Electric Furnace/Air Handler – Inlet Cabinets 

 
Factory available accessory cabinets can make the Electro Electric Furnace/Air Handler more effective and 
easier to install.  Typically these are designed for 

upflow

 applications. 

 

Side Entry, Filter Cabinet HE-IF-21

 

Return air duct connection opening is 16” x 19”.  There is an access 
door on both sides, thus this cabinet can be positioned in any direction 
or orientation to the Electric Furnace/Air Handler. 

 

Adjustable rails are provided for standard 2” or 4” pleated filter. 

 

The pleated filter is standard 20” x 20”.  Examples include Honeywell 
203721, BestAir HW2020, or Grainger

®

 6B936. 

 

Comment

 – The 3M MERV filter airflow resistance needs to be considered in duct design calculations.  Per 

specification information from 3M the static pressure drop across the 1”, Series 1000, MERV 11 filter is 0.2” SP. 
 
 
 

Heat Pump Coil Cabinet

 

This can be configured between the Electric Furnace inlet and the filter 
cabinet.  This section allows for a field installed 20”W x 20-½”D x 
20”H (24”H is possible) standard drip pan A-coil.  For horizontal 
applications the installer furnished coil must have proper drip pan.  
Access holes for refrigerant lines need to be cut in as required. 

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HE-ICC-21 

 
 

Hydronics Coil and Cabinet

 

Depending upon capacity size and position, there are two designs available.  If standard air conditioning is 
desired with this Electric Furnace/Air Handler, the air conditioning coil would be at the outlet of the blower.  In 
this case the hydronics coil is at the inlet as draw-through.  Suggest low or medium temperature applications, do 
not use as draw-through with 180° water.  140° to 150° water would be acceptable. 
 
 

Flat coil

 – Typically this is used between the above filter cabinet and 

the Electric Furnace/Air Handler. 

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Nominal Btu/h rating – 45,000 

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Recommended CFM setup – 1000 min. 

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Typical inlet water – 120° to 140° 

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Nominal water flow – 8 GPM 

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HE-WC-21 or assembly 

 
 

Larger, 4-row coil

 – This cabinet is arranged for side, direct, return 

air.  The cabinet can be reversed for either left or right side entry.  The 
inlet for this cabinet is sized for an externally installed packaged return 
air filter cabinet – typical 20” x 20” size. 

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Nominal Btu/h rating – 75,000 

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Recommended CFM setup – 1200 

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Typical inlet water – 120° to 140° 

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Nominal water flow – 12 GPM 

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HE-IWC-21 

 

Reduced CFM and/or inlet water temperature will reduce Btu/h rating. 

Содержание EC001

Страница 1: ...onditioning The warm air dial suggested setting is 96 or 100 and the front dial selects the rate of ramp up or temperature increase based upon outdoor The C setting will provide 114 warm air at 0 or 1...

Страница 2: ...tor 1 General Comments 2 Application 3 Installation Requirements 5 Mechanical Installation 6 Electrical Installation 8 Setup or Programming 11 Operation Indicators 13 Handheld Analyzer Laptop Software...

Страница 3: ...or temperature Depending upon setup selection the moderate heating blower speed could be as low as 60 of full capacity and full capacity blower is only used below 15 outdoor Heat cool conventional or...

Страница 4: ...ing Utility Load Control Provisions are included for the Utility Receiver to interrupt compressor and WarmFlo or strip heat No provisions for dual heat add HP 5046 Two Speed Heat Pump Add WF HP2 inter...

Страница 5: ...e details several product types Re verify nameplate on your received unit to make sure it properly represents the product type you need for your installation application The setup control board jumper...

Страница 6: ...e ECM motor is approximately 120 F Specification Chart Model Number HE H 10 21 HE H 15 21 HE H 20 21 Cabinet Width 21 21 21 kW rating 10 15 20 Btu h 34000 51000 68000 Voltage Phase 240 1 240 1 240 1 C...

Страница 7: ...fety features and controls 2 If this is a Dual Heat system this product relates only to the addition to the furnace ducting system external to the gas or oil force air furnace The owner installer assu...

Страница 8: ...circulation through a filter at this Electric Furnace inlet you may need to have a slight restriction in order for the blower motor to arrive at its setup speed All transitions must have a slope of 3...

Страница 9: ...il must be at the bottom of the blower in order for WarmFlo to properly add temperature to the heat pump output Electro inlet cabinet is ideal for using a heat pump A coil NC805 This factory available...

Страница 10: ...motor accordingly Before tightening motor mount clamp be sure the blower wheel is properly centered inside the blower housing Electrical Installation WARNING TO AVOID THE RISK OF ELECTRIC SHOCK OR DEA...

Страница 11: ...may pick up too much shading and winds but the south side should be avoided unless there is a position which will shade the sun Install bracket with the sensor tip up cable downward Use care in selec...

Страница 12: ...connected to the tab Y1 Room Thermostat Heat Pump Single Stage You must use a basic HP stat with built in reversing valve function Typically this will be 6 wires A conventional heat cool 4 wire thermo...

Страница 13: ...the OT sensor must be below these values before the appropriate stage will come on This is independent of the supply sensor requirement Stage OT Temp 1 90 F 2 38 F 3 36 F 4 34 F WarmFlo Dial Settings...

Страница 14: ...ovides ramp up However instead of working with settings B and C common with heat pumps it may be okay to work with C or D for straight resistance Heat Loss Curve Within the brain of the WarmFlo contro...

Страница 15: ...tat cool jumper relates to heating and cooling Heat jumper is non active A 3 3 5 ton 1200 CFM B 2 5 3 ton 1100 CFM C 2 2 5 ton 1000 CFM D 2 ton 900 CFM Heat Pump When using a heat pump thermostat sele...

Страница 16: ...ll 1200 CFM SPD B The full speed blower action continues to the end of the thermostat cycle independent of any change at the ST or OT Room Thermostat Fan On Mode This sets up continuous air at 50 of t...

Страница 17: ...eset Simply turn off the 24 volt source power probably furnace or Electric Furnace circuit breaker when the green LED goes out count to 10 and re energize power supply 2 The terminal blocks for contro...

Страница 18: ...e hard to predict an error function A blinking green light may or may not be experienced Typically the cable is too long wrong type of sensor wire or some electrical interference on the sensor cable 2...

Страница 19: ...ECM Motor H C and HP Stat WFPDC5632 PCB Power Sup AC to DC 5850 Motor HP ECM GE 5541 Transformer 120 240 24 40VA 4038 Triac SSR 50 amp 24VDC 5127 Relay NO 25A 277 24VDC Coil 6630 Limit O 150 O 180 25A...

Страница 20: ...immediately jump up to this highest value However on consecutive thermostat calls it will immediately step to the DT Flat temperature value Note This is essentially the same as DT Flat and again all f...

Страница 21: ...ture However this also means you will be short cycling the HP compressor during other heat calls The maximum run time for the compressor is then about 30 minutes at any time of the day or at any parti...

Страница 22: ...y mode see previous section there is a 5 minute timer which begins at each heat call If after the 5 minutes the ST sensor is less than 80 the logic board itself goes into an automatic reset and restar...

Страница 23: ...various wiring arrangements for ECM variable speed blower Using E tab with HP stat emergency output see previous E tab section for blower operation caution Bad sensor safety if the internal logic dete...

Страница 24: ...not affect any altered reprogrammed functions It is smart enough to know it is no longer the original chip and that specific physical board from this time forward must be under the control of the PC s...

Страница 25: ...device that delivers greater than 100 this system can only deliver greater than 100 if it s running let it run Because of WarmFlo s design concept and its internal brain the heat loss curve diagonal...

Страница 26: ...ency knob setting is based upon comfort and efficiency The lower the setting the higher the overall operating annual efficiency the higher the setting the warmer the air at the register Chip code fiel...

Страница 27: ...al applications the installer furnished coil must have proper drip pan Access holes for refrigerant lines need to be cut in as required HE ICC 21 Hydronics Coil and Cabinet Depending upon capacity siz...

Страница 28: ...COOL D C B A CS UPCB6707 PWR ECM BLUE BLU WHT BK OUTDOOR UNIT DF W1 Y1 HEAT COOL RV LOGIC HI C RV O R Y Y2 COM VAC 24 HEAT COOL R W G Y Y2 C Y1 BK E G O ROOM THERMOSTAT HP Y 8 0 70 60 5 0 8 0 70 60 5...

Страница 29: ...A CS UPCB6707 PWR ECM BLUE BLU WHT BK OUTDOOR UNIT DF W1 Y1 HEAT COOL RV LOGIC HI C RV O R Y Y2 COM VAC 24 HEAT COOL R W G Y Y2 C Y1 BK E G O ROOM THERMOSTAT HP Y R SET JUMPER TO HEAT COOL BLUE NOTES...

Страница 30: ...1 Y1 HEAT COOL RV LOGIC HI C RV O R Y Y2 COM VAC 24 HEAT COOL R W G Y Y2 C Y1 BK E G O ROOM THERMOSTAT HP Y SET JUMPER TO HP BLUE NOTES 1 SEE MODEL SPECIFICATIONS TABLE FOR RATINGS FOR SINGLE FEED USE...

Страница 31: ...50 F 150 F HL3 150 F HL2 150 F HL1 CB1 L2 L1 CB2 L2 L1 CB1 L1 CB1 L2 CB2 L1 CB2 L2 BK BK BK BK R R R R BK BK BK BK HECBW5844 HECBW5844 L1 L1 L1 L1 CB2 L2 CB2 L1 CB1 L2 CB1 L1 CB2 L1 CB1 L2 CB1 L1 L2 L...

Страница 32: ...EMENT HL HI LIMIT K RELAY M MOTOR BLOWER PC CIRCUIT BOARD T TAB TERMINAL SC SCREW TERMINAL L1 L1 L2 L2 CB1 L1 CB1 L2 CB2 L1 CB1 L1 CB1 L2 CB2 L1 L1 L1 L1 HECBW5844 HECBW5844 BK BK BK R R R BK BK BK CB...

Страница 33: ...5 NW823 R BR GY BL VI Y YG W BKW WBK 4 3 2 1 J2 5 6 7 8 9 10 E2 E1 150 F HL2 150 F HL1 CB1 L2 L1 CB1 L1 CB1 L2 BK BK R R BK BK HECBW5844 HECBW5844 L1 L1 CB1 L2 CB1 L1 CB1 L2 CB1 L1 L2 L2 L1 L1 COMPONE...

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Страница 36: ...e by Electro Industries or its authorized representative Electro Industries will cover reasonable labor costs to repair defective product or product parts for ninety 90 days after installation TWENTY...

Страница 37: ...n the installation and instruction manual and all state and federal codes and statutes If not the warranty will be null and void 4 The purchaser shall have maintained the product in accordance with th...

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