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02/04/2014 5 

NI804 

Specification Chart 

 

Model 

Number 

HE-A-10-21 HE-A-15-21 HE-A-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 
Circuit Breaker 

60 

1-60, 1-30 

2-60 

Amps per CB 

42 

42, 21 

42, 42 

Source 

Feed  1 2 2 

Elements 

4 6 8 

Relays 

2 4 6 

Heat CFM* 

765 (LO) 

900 (M) 

1035 (HI) 

Max. Temp. Rise 

45° F 

45° F 

45° F 

Shipping 

Weight 

   

 

*WarmFlo sensing will override this to 1200 CFM. 
 

Product Dimensions 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for HE-A-**-21 Series

Page 1: ...te to maintain this preset temperature based on the sensing of the supply sensor ST The CFM requirement will always have to be setup for full electric capacity Heat cool conventional room thermostat a...

Page 2: ...omments 3 Application 4 Installation Requirements 6 Mechanical Installation 7 Electrical Installation 9 Setup or Programming 11 Operation Indicators 12 Handheld Analyzer Laptop Software 13 Troubleshoo...

Page 3: ...ion the moderate heating blower speed could be as low as 60 of full capacity and full capacity blower is only used below 30 outdoor Heat cool conventional thermostat must be used in non heat pump appl...

Page 4: ...r bracket for slip in within the provided rails Comment The 3M MERV filter airflow resistance needs to be considered in duct design calculations Per specification information from 3M the static pressu...

Page 5: ...es must be in the horizontal ducts after the WarmFlo duct sensor and at least 12 downstream of the WarmFlo sensor The zone controller HVAC equipment terminal block simply connects to this unit s contr...

Page 6: ...quirements This specific model series HE A This model series is outlet warm air sensing only With a preset warm air temperature the electric elements modulate to maintain this preset temperature based...

Page 7: ...ng 10 15 20 Btu h 34000 51000 68000 Voltage Phase 240 1 240 1 240 1 Circuit Breaker 60 1 60 1 30 2 60 Amps per CB 42 42 21 42 42 Source Feed 1 2 2 Elements 4 6 8 Relays 2 4 6 Heat CFM 765 LO 900 M 103...

Page 8: ...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...

Page 9: ...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...

Page 10: ...zontal Air Conditioning Similar to upflow above the air conditioning coil is positioned at the blower outlet Depending upon the coil type and drip pan it is positioned in a field constructed plenum as...

Page 11: ...INJURY OR DEATH WarmFlo Controller Inside View Left Board Remote Sensor Duct sensor A coil not in supply plenum the duct sensor shorter cable black wire on ST terminal is installed approximately 24 ab...

Page 12: ...rminal The room thermostat W2 is not used or connected Outdoor Unit Air Conditioning Connect the outdoor unit 2 wires to the control board Y Y2 and C If 2 speed A C there will be a third wire connecte...

Page 13: ...dial switch min warm air The yellow dial switch sets the operating temperature 0 30 4 62 Factory set on 3 1 38 5 80 2 46 6 88 3 54 7 96 Electric Furnace Control Inside View Right Board Room Thermostat...

Page 14: ...lluminated when WarmFlo II is in the electric heat operating mode Utility Load Control Inside WarmFlo Board Red LED s The four red LED s next to the output connector indicate Stage 1 2 3 and 4 operati...

Page 15: ...uh output CFM Volts x Amps x 3 4 Temperature Rise x 1 08 Sensor Temperature Calibration Both remote sensors are digital electronic and factory calibrated Normally these do not require field calibratio...

Page 16: ...itive tool for understanding and troubleshooting the WarmFlo II controller Either test set device can display all temperatures real time evaluation of WarmFlo II functions provide temperature offsets...

Page 17: ...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...

Page 18: ...J5A HEAT HI MED LO 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...

Page 19: ...HI MED LO 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 R SET JUMPER TO...

Page 20: ......

Page 21: ...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...

Page 22: ...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...

Page 23: ...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...

Page 24: ......

Page 25: ......

Page 26: ...de 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...

Page 27: ...ll be null and void 4 The purchaser shall have maintained the product in accordance with the manual that accompanies the unit Annually a qualified and licensed contractor must inspect the product to a...

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