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Electric Furnace
Installation & Operating Instructions
HE-E-**-21 Series
Application
Special non-WarmFlo, non-heat pump, strip heat elements only, full kW turn-on from stat W input.
ECM™ blower speed will have to be setup for full kW rating.
Heat/cool conventional roomstat applies.
DO NOT DESTROY THIS MANUAL. PLEASE READ CAREFULLY AND KEEP IN A SAFE
PLACE FOR FUTURE REFERENCE BY A SERVICE TECHNICIAN.
Drawings: NH808
NH809
NS803
EC001
02/14/2006 NI806
Table of Contents
Configurator 1
Inlet Cabinets
General Comments
2
3
Application 4
Installation Requirements 6
Mechanical Installation
Electrical Installation
Setup or Programming
Operation Indicators
Replacement Parts
Drawings Included:
7
10
11
11
13
NH808
NH809
NS803
EC001
02/14/2006 NI806
Configurator
Type
HE-T-KW-CW
E, 21 kW Size
=
15
25 = 24 kW*
=
Type
All models – ECM™ blower motor, setup selection of four cooling sizes, 50% continuous air (fan – on setting). High efficient air circulation at about 50-watt.
H = Full WarmFlo capability with outdoor sensor. This provides warm air outlet temperature dial selection and supply air ramp up with the decrease of outdoor temperature. This WarmFlo feature definitely applies to heat pumps, but it is also the top of the line comfort for straight electric, with air conditioning. 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 125° at -20° F outside. The ECM™ blower also ramps up in speed as there is an increase in supply temperature or decrease in outdoor 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 30° outdoor.
Heat/cool conventional or basic heat pump room thermostat can apply.
A = WarmFlo element modulation based upon a front panel set point and duct sensor. Heating blower speed is installation setup per kW size. A higher CFM selection can be made if there is a desire to “work” WarmFlo harder.
Heat/cool conventional thermostat applies.
E = Non-WarmFlo, 10, 15, or 20 kW built-in strip heat, direct function of roomstat W. Setup selection determines nominal ECM™ motor speed. A thermostat “E” type function could be used to jump to full speed.
N = Electric Furnace cabinet only, no electric elements or WarmFlo. This could typically be associated with an inlet hydronics water coil. Control board includes a relay for pump, initiated with input W. Setup selection determines heating blower speed. Cooling speeds and air conditioning interface are the same as mentioned above.
Note: Two-speed and multi-function room thermostat can also be configured with this system by adding
WF-HP2 interface controller.
02/14/2006 1 NI806
Inlet Cabinets
Factory optional cabinets can be configured with this Electric Furnace. Typically these are designed for upflow applications; however, the heat pump coil cabinet could be used in other positions.
Side Entry, Filter Cabinet
Return air can be ducted into either side, 15-⅜” x
19” cutout hole is provided with one filler plate.
Easy access door for checking and changing filter.
Adjustable rails are provided for standard 4” x 20” x 20” pleated filter.
Filter examples include Honeywell 203721, BestAir
HW2020, or Grainger ® 6B936.
Standard 1” filter (20” x 20”) – field installer could arrive at filter filler 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 pressure drop across the 1”, Series
1000, MERV 11 filter is 0.2” SP.
Hydronics Coil and Cabinet
The inlet cabinet includes a water coil with parameters shown. The return air connection must be on a side which allows coil draw-through. 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.
1. Nominal or rated Btu/h, 50,000
2. Recommended CFM setup, 1100 min.
3. Inlet water 120° at 10 GPM minimum.
4. Expected outlet air temperature, 115°
Reduced CFM and/or inlet water temperature will reduce Btu/h rating.
02/14/2006 2 NI806
General Comments
Upflow/Downflow/Horizontal
The arrangement of refrigerant coil, hydronics coil, and built-in electric elements need to follow specific air direction or airflow rules, but the orientation of this Electric Furnace is not critical.
For upflow and horizontal standard air conditioning applications, the A-coil is mounted at the blower outlet with field provided plenum or manufacturer’s case coil.
All models contain GE ECM™ Series 2.3 blower motors. The special Electro Industries interface board allows hookup for heat/cool conventional or basic heat pump room thermostat. Blower speed setup and
WarmFlo sensor control are separate for cooling and heating (unique).
The ECM™ motor provided in this unit has many features not available in a standard motor.
- Improved efficiency
- Constant CFM
- Soft start and stop
- Better humidity control
The provided ECM™ motor contains permanently sealed bearings and does not require oiling.
Utility Load Control
Provisions also included for the Utility Receiver to interrupt compressor and WarmFlo or strip heat. No provisions for dual heat, add EE-5046.
Side by Side, with Gas Furnace or Other Dual Heat Arrangements
Add-on dual heat controller HP-5046 can simplify the wiring for dual heat.
For side by side ducting, a motor operated damper is required to isolate the return air between two blowers. The operation of this motor damper can be controlled from the HP-5046.
Installation Setup
There are specific peg jumpers relating to cooling tons, heating kW, heat pump reversing valve logic, and thermostat type. These must be properly evaluated and selected to match each installation.
The “setup or programming” section has all the detailed instructions and selection tables.
The WarmFlo controller also has various dial switch selections relating to duct temperature set point, minimum warm air set point, HP compressor ODT shutoff temperature, and ramp up efficiency dial.
These are standard WarmFlo technology and setup requirements, if you’re not familiar with WarmFlo controller study the HD320 WarmFlo information document, also in this package.
NOTICE: When changing any setup jumpers, power down and up. ECM™ motor needs 240V power and control power removed to reset and reread specific control lines. Open CB number 1 for 10 seconds.
Operation Instructions
The “Operation Indicators” section contains information relating to LED monitor lights, thermostat sequences, etc.
02/14/2006 3 NI806
Installation Checkout
Attached to this manual is a warranty certification and checkout procedure. This must be completed and returned for warranty coverage. This is the responsibility of the contractor or company which “sold the job” and is assuming responsibility to the end customer.
Warranty Statement
See the last page of this manual for detailed limited warranty coverage explanation.
Application
General
The configurator, previous page, 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 jumpers provide ECM™ blower motor speed flexibility to match the model and your heat/cool size requirements.
This specific model series, HE-E-**-**
Special non-WarmFlo, non-heat pump, strip heat elements only, full kW turn-on from stat W input.
ECM™ blower speed will have to be setup for full kW rating.
02/14/2006 4 NI806
Specification Chart
HE-E-10-21 HE-E-15-21 HE-E-20-21
Cabinet Width 21” 21” 21” kW 10 15 20
Btu/h 34000 51000 68000
Voltage/Phase 240/1 240/1 240/1
Circuit Breaker
Amps per CB
60
42
1-60, 1-30
42, 21
2-60
42, 42
Feed 1 2 2
Elements 4 6 8
Relays
Heat CFM*
2 4 6
600 (LO) 900 (M) 1200 (HI)
Max. Temp. Rise
Shipping
45° F
Weight
45° F 45° F
Product Dimensions
02/14/2006 5 NI806
Installation Requirements
1. All installation work must be performed by trained, qualified contractors or technicians. Electro
Industries, Inc., sponsors installation and service schools to assist the installer. Visit our web site at
electromn.com for upcoming service schools.
WARNING
ALL ELECTRICAL WIRING MUST BE IN ACCORDANCE WITH NATIONAL ELECTRIC 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 practices not according to the details of this manual will void the product warranty, the CSA/us certification label, and manufacturer product liability. Electro Industries, Inc., cannot be held responsible for field modifications, incorrect installations, and conditions which may bypass or compromise the built-in safety 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 assumes all responsibility and/or liability associated with any needed installation of the gas/oil furnace, fuel system, flue, chimney, etc.
Any instructions or comments made within this manual (or factory phone assistance) relating to the gas/oil furnace are provided as comments of assistance and “helps” only.
CAUTION
This unit shall not be operated (either heating section or blower) until the interior of the structure is completed and cleaned. This also means all duct work must be complete with filter, etc. Both manufacturers’ warranties are void if this unit is operated during structure construction.
CAUTION
Hazards or unsafe practices could result in property damage, product damage, severe personal injury and/or death.
3. Remember, safety is the installer’s responsibility and the installer must know this product well enough to instruct the end user on its safe use.
Safety is a matter of common sense - - a matter of thinking before acting. Professional installers have training and experienced practices for handling electrical, sheet metal, and material handling processes. Use them.
02/14/2006 6 NI806
Mechanical Installation
Clearances and Accessibility
Zero clearance is allowed on all sides for combustible materials. However, 36” should be allowed at the front for operation, maintenance, and service.
To reduce the risk of rusting and appearance, do not install the unit directly on the ground or on a floor that is likely to be wet. In such environments the unit must be elevated by use of a sturdy non-porous material.
General Ductwork and Airflow Requirement
Design the airflow ductwork to meet the maximum operating airflow (CFM) for the kW and cooling ton requirements (whichever is larger). This document does not provide installation and design information for the ductwork external to this product. It is assumed this is being accomplished by a professional and trained installer understanding ductwork design, airflow/static pressure resistance, and forced air distribution systems. Key requirements information:
- Heating and cooling blower speed or minimum CFM is setup independently. See the “Blower
Speed Selection” to match the airflow capacity with the ducting design.
- The airflow distribution system shall be designed for a maximum of 0.5” SP. Ideally the design should be set at 0.3” to 0.4” SP.
- The variable speed, ECM™ motor, is sensitive to inlet static pressure. In order for the motor to arrive at the setup CFM (motor RPM adjust according to static pressure) the inlet must have a minimum resistance of about 0.15 to 0.2. If you do not have return air ducting and you’re simply allowing free return air 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 30° to 45°. There shall be no 90° bends or surfaces causing airflow bounce/eddy current.
- The manufacturer strongly recommends the return air entering the bottom (under the blower) of the cabinet. For smaller kW and smaller cooling (10 kW or 2-ton) it is permissible to bring the air in on either side of the 32” cabinet.
- Previous Specification Chart shows the minimum CFM associated with the kW. Again this is setup as detailed in the “Setup or Programming” section.
- The cooling CFM is also selected but is not shown on the Specification Chart. In many cases the airflow distribution system is probably designed to meet the cooling requirement.
- The room registers and individual 5” or 6 “ runs must also match the total setup or planned CFM for this installation. Typically a 6” round and a typical room register is rated at 100 CFM.
- All distribution ducts (supply and return) must be sized for the setup or planned total CFM requirement. The attached duct sizing chart shows various distribution duct sizes relating to their ability to properly handle the stated CFM.
- Seal connections between this unit and ductwork, all ductwork connections, etc. as required to reduce or eliminate air leakage. Sealing all connections will also reduce air noise.
Comment: The ECM™ motor efficiently relates to system static pressure. On one hand a minimum of about 0.2” SP is required for the motor to adjust itself, but above 0.3” it begins to drain high current. For information, consider (at 240):
1.0” SP – 3.4A
0.8” SP – 2.5A
0.5” SP – 0.9A
0.2” SP – 0.4A
Continuous Air – 0.25A
02/14/2006 7 NI806
Whether this unit is sitting on or attached to an inlet cabinet, field designed inlet cabinet, or horizontal supports; verify proper support and mechanical strength is provided within the system installation.
Rubber isolation pads should be used where possible to reduce sound and vibration transmission.
WARNING
WHEN HANGING THIS UNIT, THERE MUST BE UNDER SUPPORTS WHICH DISTRIBUTE THE
HANGING CHAINS ACROSS THE SURFACE OF THIS UNIT, DO NOT SIMPLY DRILL A HOLE
AND USE A COUPLE OF HANGING BOLTS.
For information, factory optional inlet cabinets can reduce cost and simplify installation, see previous pages.
When installing the unit maintain a minimum clearance of 36” in front of the unit for service accessibility.
Upflow, Air Conditioning
As stated above, the return air should enter the bottom of this cabinet. Suggest using Electro bottom filter cabinet (page 2) or field constructed equivalent. The A-coil will be mounted above the blower in either a case coil or field constructed plenum.
Upflow, Heat Pump
In this case the HP refrigerant coil 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 (page
2). This factory available inlet cabinet provides space for standard A-coil and is installed between the filter/inlet cabinet and the Electric Furnace unit itself.
The cabinet is designed for 20”H A-coil, but for larger A-coils the top can be above this cabinet approximately 3” (24”).
The outlet of the blower will enter into a plenum and directly into distribution duct.
Downflow, 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 required.
A typical packaged 20” x 20” filter cabinet could easily be installed at the blower inlet opening.
Downflow, Heat Pump
With the WarmFlo elements down and airflow direction down, the A-coil must be at the top of this unit.
The factory option Heat Pump Coil Cabinet can be used for coils less than 20” high. This is assuming the heat pump and associated refrigerant coil you are using is designed to drive air “backwards” through the
A-coil and drip pan. Use heat pump manufacturer’s recommendation; however, refrigerant coil must be on the inlet side of the elements.
02/14/2006 8 NI806
Horizontal, 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 required.
As horizontal, the return air would enter the blower end of the cabinet with a typical packaged 20” x 20” filter cabinet.
Horizontal, Heat Pump
As emphasized above, the heat pump coil must be at the blower inlet. Depending upon the coil physical arrangements and drip pan, it is installed in a field constructed plenum at the blower inlet.
Typically a package filter cabinet is installed at the entrance (or ahead of) of the HP coil.
The blower outlet goes directly into the distribution duct system.
Blower Motor Orientation
If the installation is not upflow, the blower motor shall be positioned so the power and control connectors are down. This will prevent water from entering the blower motor through the connector housing opening.
Loosen motor mount clamp and rotate motor accordingly.
Before tightening motor mount clamp be sure the blower wheel is properly centered inside the blower housing.
02/14/2006 9 NI806
Electrical Installation
WARNING
TO AVOID THE RISK OF ELECTRIC SHOCK OR DEATH, WIRING TO THE UNIT MUST BE
PROPERLY GROUNDED. FAILURE TO PROPERLY GROUND THE UNIT CAN RESULT IN A
HAZARD LEADING TO PERSONAL INJURY OR DEATH.
Line Voltage
The nameplate and/or Installation and Operating Manual specification page provides kW rating and operating current requirements for each specific model. Select the proper wire size to comply with your type of wire routing and NEC field wiring requirements.
Field connection is at this product’s furnished circuit breaker. This integrated circuit breaker is a proper local disconnect.
WARNING
USE ONLY COPPER WIRE FOR CONNECTION TO THE CIRCUIT BREAKER TERMINALS AND
INSIDE THIS PRODUCT’S CABINET.
If the 240 power service is to be wired as single feed, order option circuit breaker single feed bus bar, part number 5701.
WARNING
DISCONNECT ALL ELECTRICAL POWER BEFORE ELECTRICALLY CONNECTING OR
SERVICING THE UNIT. FAILURE TO DISCONNECT THE ELECTRICAL POWER BEFORE
WORKING ON THIS PRODUCT CAN CREATE A HAZARD LEADING TO PERSONAL INJURY
OR DEATH.
Electric Furnace Control –
Inside View, Right Board
Room Thermostat, Air Conditioning
Use conventional heat/cool, 1H/1C, thermostat. It can be mechanical, digital, power robbing, battery operated, setback, etc. If mechanical, set the heat anticipator to 0.2.
Connect the standard R, W, G, Y stat terminals to the control board HEAT/COOL terminal block with the same letters.
Room Thermostat, 2-Speed Air Conditioning
Use conventional heat/cool, 2H/2C, thermostat. It can be mechanical, digital, power robbing, battery operated, setback, etc. If mechanical, set the heat anticipator to 0.2.
Connect the R, W, G stat terminals to the control board HEAT/COOL terminal block with the same letters.
Connect the Y1 stat terminal to the control board Y1 tab. Connect the Y2 stat terminal to the control board Y/Y2 screw terminal.
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 connected to the tab Y1.
02/14/2006 10 NI806
Cooling, Special Dehumidification
The BK tab and the BK peg jumper provide the industry standard 12% blower speed reduction to “pull out” additional moisture from the air. Provide an external humidistat between BK and R and pull or permanently disconnect the BK jumper. With the BK terminal at 0 volts the 12% blower speed reduction is activated.
Utility Load Control
If applicable for your installation and your utility authorized electric rate, at the bottom of the control board is a blue wire jumper. Simply remove this jumper and extend the two tabs to the power company receiver having N.C. logic.
If opposite control logic is required contact factory for other wiring instructions.
Setup or Programming
Electric Furnace Control –
Inside View, Right Board
Room Thermostat Type
On the control board left side is a peg jumper which must be for conventional heat/cool.
Heat Blower Speed Selection
On the right side is a peg jumper for a LO/MED/HI selection. If 1035 CFM is not adequate, jumper E to
W.
10 kW LO 600 CFM
15 kW MED 900 CFM
20 kW HI 1035 CFM
Cool Minimal Blower Speed Selection
At the control board right side is A/B/C/D selection. It is very important that this selection be matched to the cooling ton installed within the system. This is independent of the heating as outlined and setup above.
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
Operation Indicators
Heat Sequencing Board – Inside
Green LED
When illuminated proper 24 volts are available.
Red LED’s
Each represents the proper stage on.
HL Red LED
Illuminates with hi-limit and interrupt of electric elements.
02/14/2006 11 NI806
Electric Furnace Control –
Inside View, Right Board
Green, next to Fuse
24-volt power connected and fuse good.
Red, next to W
Call for electric heat, also represents the input signal (yellow wire) to the WarmFlo control board.
Green, Cool
Conventional H/C stat has an active Y function or heat pump stat reversing valve is in the cool mode (will depend upon proper setup with RV logic jumper). For 2-speed AC this LED is illuminating during high speed.
Amber
Represents action within ECM™ blower motor. Factory technician troubleshooting only.
02/14/2006 12 NI806
5127
6630
5636
6615
5652
5650
5651
@HEIBG6707
@EMD3I6600
5850
5541
4038
Replacement Parts
PCB Electric Furnace ECM™ Motor H/C and HP Stat
PCB EM DI 3-Stage
Motor ½ HP ECM™ GE
Transformer 120/240:24 40VA
Triac SSR 50-amp 24VDC
Relay NO 25A@277 24VDC Coil
Limit O-150/O-180 25A@240V ST-CLSD
Limit O-135/C-120 25A@240V DP-CLSD
Element DI 4800W@240V
Circuit Breaker SD 60A
Circuit Breaker SD 30A
Circuit Breaker SD 45A
02/14/2006 13 NI806
NON-WARMFLO, HEAT/COOL STAT, A/C (1 SPEED)
HE-E-**-21
1
240VAC
POWER
ELECTRO INDUSTRIES, INC.
MONTICELLO, MN 55362
50
60
70
80
50
60
70
80
F T1
LED6
G T2
Y2 T5
LED1
O T6
R T3 T4
W2
LED2
T7
X T8
LED5
W1
LED4
T9 T10
C
LED3
T11 T12
UPCB6600B
CS
K5
K1
K6
K7
T13
T14
J4
J4
T12
R
W
G
Y/Y2
C
T8
TB2
Y1
T7
J7
O
T1
K2
LED1
G
T2
E
T4
Y
T3
K3
BK T15
J4
LED2
BK
J2
ECM
24
VAC
T11
T12
J3
LED3
PWR
F1
COM
T13
T14
T9
BLU/WHT
T10
BLUE
K4
K1
RV LOGIC-HI
J1
COOL HEAT
R
TB1
Y/Y2
RV(O)
C
T5
T6
Y1
DF(W1)
K5
LED4
COOL
A
B
C
D
HEAT
LO
MED
HI
UPCB6707
CS
DETAIL A
J4 ON @EMD3I6600
SET JUMPER
TO HEAT/COOL
R
W
G
Y
R
W
G
Y/Y2
TB2
LED1
C
T8
J7
Y1
T7
O
T1
K2
BK
G
T2
E
T4
Y
T3
K3
T15
J4
BK
J2
LED2
ECM
J3
LED3
PWR
24
VAC
T11
T12
COM
T13
T14
F1
T9 T10
BLU/WHT BLUE
K4
RV LOGIC-HI
J1
COOL HEAT
K1
TB1
R
Y/Y2
RV(O)
C
T5
T6
Y1
DF(W1)
Y
COM
K5
LED4
COOL
A
B
C
D
HEAT
LO
MED
HI
UPCB6707
CS
2
BLUE
A/C
RED
GRY
BRN
WHT
NOTES:
1. SEE MODEL SPECIFICATIONS TABLE
FOR RATINGS. FOR SINGLE FEED, USE
LUG SET #5701.
2. FOR LOAD CONTROL INTERRUPT,
REMOVE BLUE JUMPER & CONNECT N.C.
CONTROL DEVICE.
NH808
11-03-05
NON-WARMFLO, HEAT/COOL STAT, A/C (2 SPEED)
HE-E-**-21
1
240VAC
POWER
F T1
LED6
G T2
Y2 T5
LED1
O T6
R
T3
W2
T7
LED2
T4
X T8
LED5
W1 T9
LED4
T10
C T11
LED3
T12
UPCB6600B
CS
K5
K1
K6
K7
T13
T14
J4
DETAIL A
J4 ON @EMD3I6600
T12
J4
R
W
Y/Y2
G
C
T8
J7
Y1
T7
TB2
LED1
K2
O T1
G
T2
K3
BK
T4
Y
T3
T15
J4
BK
J2
LED2
ECM
24
VAC
T11
T12
COM
T13
T14
J3 LED3
PWR
F1
T9 T10
BLU/WHT BLUE
K4
K1
RV LOGIC-HI
J1
COOL HEAT
TB1
R
Y/Y2
RV(O)
C
T5
T6
Y1
DF(W1)
K5
LED4
COOL
A
B
C
D
HEAT
LO
MED
HI
UPCB6707
CS
CONVENTIONAL
STAT
R
W1
G
Y2
Y1
W2
SET JUMPER
TO HEAT/COOL
R
W
G
Y2
Y1
R
W
G
Y/Y2
TB2
LED1
C
T8
J7
Y1
T7
O
T1
G
T2
K2
K3
BK
E
T4
Y
T3
T15
J4
BK
J2
LED2
ECM
24
VAC
T11
T12
J3
LED3
PWR
F1
COM
T13
T14
T9
BLU/WHT
T10
BLUE
K4
RV LOGIC-HI
J1
COOL HEAT
K1
TB1
R
Y/Y2
RV(O)
C
T5
T6
Y1
DF(W1)
Y2
C
Y1
K5
LED4
COOL
A
B
C
D
HEAT
LO
MED
HI
UPCB6707
CS
2
BLUE
NOTES:
1. SEE MODEL SPECIFICATIONS TABLE
FOR RATINGS. FOR SINGLE FEED, USE
LUG SET #5701.
2. FOR LOAD CONTROL INTERRUPT,
REMOVE BLUE JUMPER & CONNECT N.C.
CONTROL DEVICE.
ELECTRO INDUSTRIES, INC.
MONTICELLO, MN 55362
RED
GRY
BRN
WHT
A/C
Y1
Y2
C
NH809
11-03-05
Air Handler (HE-E-20-21), Basic Staging ECM
WIRING SCHEMATIC
L1 L2
CB1
L1
CB2
L2
GND
CB2 L2
CB2 L1
CB1 L2
CB1 L1
R
K8
K8
R
E4
BK
HL4
150°F
BK
R
E3
BK
HL3
150°F
BK
R
R
E2
BK
HL2
150°F
BK
E1
BK
HL1
150°F
BK
CB1 L2
CB1 L1
F
T1
LED6
G
T2
Y2 T5
LED1
UPCB6600B
CS
T13
K5
K5
T14
K1
O
T6
R T3
W2
LED2
T7
T4
X T8
LED5
W1
LED4
T9 T10
C
LED3
T11 T12
DI
PC2
K6
K6
K7
K7
RW
RW
R
R
R
R
R
R
J4
RW
HL5
135°F
RW
AIR HANDLER BASIC STAGING ECM
MODEL: HE-E-20-21
R
W
G
Y/Y2
TB2
LED1
C
T8
J7
Y1
T7
O
T1
G
T2
E
T4
Y
T3
K2
K3
BK
T15
J4
BK
J2
LED2
ECM
K4
K5
RV LOGIC-HI
J1
COOL HEAT
TB1
R
Y/Y2
RV(O)
C
Y1
T5
T6
DF(W1)
LED4
J3
LED3
PWR
24
VAC
T11
T12
COM
T13
T14
F1
T9 T10
BLU/WHT BLUE
INTERFACE
PC1
COOL
A
B
C
D
HEAT
LO
MED
HI
UPCB6707
CS
J2
1
8
9
10
5
6
7
2
3
4
R
GY
BR
W
HECBW5848
M
HECBW5843
HECBW5844
RELAY STAGING
1 K5
2 K6
3 K7, K8
WIRE COLOR CODE
BL BLUE
BLW BLUE/WHITE
BK BLACK
BR BROWN
BRY BROWN/YELLOW
GY GRAY
OR ORANGE
OBK ORANGE/BLACK
R RED
RW RED/WHT
VI VIOLET
W WHITE
WBL
WBK
WHITE/BLUE
WHITE/BL
Y YELLOW
ACK
YG YEL/GRN
NOTES
1. SENSOR CABLES AND
CONNECTIONS NOT SHOWN.
2. STAGES 1-4 ARE 24VAC
WHEN INACTIVE.
COMPONENT CODE
CB CIRCUIT BREAKER
E 5000W ELEMENT
HL HI-LIMIT
K RELAY
M MOTOR (BLOWER)
PC CIRCUIT BOARD
T TAB TERMINAL
SC SCREW TERMINAL
DECAL
UAW806 A
DRAWING
NS803 P1
Rev.B 03-09-07
ELECTRO INDUSTRIES, INC.
MONTICELLO, MN 55362
NS803 P1
Rev.B 03-09-07
Air Handler (HE-E-15-21), Basic Staging ECM
WIRING SCHEMATIC
L1
CB1
L2 L1
CB2
L2
GND
CB2 L2
CB2 L1
CB1 L2
CB1 L1
R
E3
BK
HL3
150°F
BK
R
R
E2
BK
HL2
150°F
BK
E1
BK
HL1
150°F
BK
CB1 L2
CB1 L1
F
T1
LED6
G
T2
Y2 T5
LED1
UPCB6600B
CS
T13
K5
K5
T14
K1
O
T6
R T3
W2
LED2
T7
T4
X T8
LED5
W1 T9
LED4
T10
C
LED3
T11 T12
DI
PC2
K6
K6
K7
K7
RW
RW
R
R
R
R
R
R
J4
RW
HL5
135°F
RW
AIR HANDLER BASIC STAGING ECM
MODEL: HE-E-15-21
R
W
G
Y/Y2
TB2
LED1
C
J7
Y1
T7
O
T8
T1
G
T2
E
T4
Y
T3
K2
K3
BK
T15
J4
BK
J2
LED2
K4
RV LOGIC-HI
J1
COOL HEAT
TB1
T5
R
Y/Y2
RV(O)
C
Y1
T6
DF(W1)
LED4
ECM
K5
J3
LED3
PWR
24
VAC
T11
T12
F1
COM
T13
T14
T9 T10
BLU/WHT BLUE
INTERFACE
PC1
COOL
C
D
A
B
HEAT
LO
MED
HI
UPCB6707
CS
J2
1
6
7
8
9
10
2
3
4
5
R
GY
BR
W
HECBW5848
M
HECBW5843
HECBW5844
RELAY STAGING
1 K5
2 K6
3 K7
WIRE COLOR CODE
BL BLUE
BLW BLUE/WHITE
BK BLACK
BR BROWN
BRY BROWN/YELLOW
GY GRAY
OR ORANGE
OBK ORANGE/BLACK
R RED
RW RED/WHT
VI VIOLET
W WHITE
WBL WHITE/BLUE
WBK WHITE/BL ACK
Y YELLOW
YG YEL/GRN
NOTES
1. SENSOR CABLES AND
CONNECTIONS NOT SHOWN.
2. STAGES 1-4 ARE 24VAC
WHEN INACTIVE.
COMPONENT CODE
CB CIRCUIT BREAKER
E 5000W ELEMENT
HL HI-LIMIT
K RELAY
M MOTOR (BLOWER)
PC CIRCUIT BOARD
T TAB TERMINAL
SC SCREW TERMINAL
DECAL
UAW805 A
DRAWING
NS803 P2
Rev.B 03-09-07
ELECTRO INDUSTRIES, INC.
MONTICELLO, MN 55362
NS803 P2
Rev.B 03-09-07
Air Handler (HE-E-
10
-21), Basic Staging ECM
WIRING SCHEMATIC
L1
CB1
L2
GND
CB1 L2
CB1 L1
R
R
E2
BK
HL2
150°F
BK
E1
BK
HL1
150°F
BK
F
T1
LED6
G
T2
Y2 T5
LED1
UPCB6600B
CS
T13
K5
K5
T14
K1
O
T6
R T3
W2
T7
LED2
T4
X T8
LED5
W1 T9
LED4
T10
C
LED3
T11 T12
DI
PC2
K6
K6
K7
K7
RW
RW
R
R
R
R
J4
RW
HL5
135°F
RW
AIR HANDLER BASIC STAGING ECM
MODEL: HE-E-10-21
R
W
G
Y/Y2
TB2
LED1
C
T8
J7
Y1
T7
O
T1
G
T2
E
T4
Y
T3
K2
K3
BK
T15
J4
BK
J2
LED2
ECM
K4
K5
RV LOGIC-HI
J1
COOL HEAT
TB1
R
Y/Y2
RV(O)
C
Y1
T5
T6
DF(W1)
LED4
J3
LED3
PWR
24
VAC
T11
T12
COM
T13
T14
F1
T9 T10
BLU/WHT BLUE
INTERFACE
PC1
COOL
A
B
C
D
HEAT
LO
MED
HI
UPCB6707
CS
J2
1
6
7
8
9
10
2
3
4
5
R
GY
BR
W
HECBW5848
M
HECBW5843
HECBW5844
RELAY STAGING
1 K5
2 K6
WIRE COLOR CODE
BL BLUE
BLW BLUE/WHITE
BK BLACK
BR BROWN
BRY BROWN/YELLOW
GY GRAY
OR ORANGE
OBK ORANGE/BLACK
R RED
RW RED/WHT
VI VIOLET
W WHITE
WBL
WBK
WHITE/BLUE
WHITE/BL
Y YELLOW
ACK
YG YEL/GRN
NOTES
1. SENSOR CABLES AND
CONNECTIONS NOT SHOWN.
2. STAGES 1-4 ARE 24VAC
WHEN INACTIVE.
COMPONENT CODE
CB CIRCUIT BREAKER
E 5000W ELEMENT
HL HI-LIMIT
K RELAY
M MOTOR (BLOWER)
PC CIRCUIT BOARD
T TAB TERMINAL
SC SCREW TERMINAL
DECAL
UAW804 A
DRAWING
NS803 P3
Rev.B 03-09-07
ELECTRO INDUSTRIES, INC.
MONTICELLO, MN 55362
NS803 P3
Rev.B 03-09-07
Electro Industries, Inc.
Limited Product Warranty
Effective February 5, 2009
Electro Industries, Inc. warrants to the original owner, at the original installation site, for a period of two (2) years from date of installation, that the product and product parts manufactured by
Electro Industries are free from manufacturing defects in materials and workmanship, when used under normal conditions and when such product has not been modified or changed in any manner after leaving the plant of Electro Industries. If any product or product parts manufactured by Electro Industries are found to have manufacturing defects in materials or workmanship, such will be repaired or replaced by Electro Industries. Electro Industries shall have the opportunity to directly, or through its authorized representative, examine and inspect the alleged defective product or product parts. Electro Industries may request that the materials be returned to Electro Industries at the owner’s expense for factory inspection. The determination as to whether product or product parts shall be repaired, or in the alternative replaced, shall be made 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 YEAR (20) LIMITED WARRANTY ON BOILER ELEMENTS AND VESSELS
Electro Industries, Inc. warrants that the boiler elements and vessels of its products are free from defects in materials and workmanship through the twentieth year following date of installation. If any boiler elements or vessels are found to have a manufacturing defect in materials or workmanship, Electro Industries will replace them.
TWENTY YEAR (20) LIMITED WARRANTY ON SPIN FIN ELEMENTS
Electro Industries, Inc. warrants that the spin fin elements of its products are free from defects in materials and workmanship through the twentieth year following date of installation. If any spin fin elements are found to have a manufacturing defect in materials or workmanship, Electro
Industries will replace them.
FIVE YEAR (5) LIMITED WARRANTY ON OPEN WIRE ELEMENTS
Electro Industries, Inc. warrants that the open wire elements of its products are free from defects in materials and workmanship through the fifth year following date of installation. If any open wire elements are found to have a manufacturing defect in materials or workmanship,
Electro Industries will replace them.
Page 1 of 2 XX017
THESE WARRANTIES DO NOT COVER:
1. Costs for labor for removal and reinstallation of an alleged defective product or product parts, transportation to Electro Industries, and any other materials necessary to perform the exchange, except as stated in this warranty. Replacement material will be invoiced to the distributor in the usual manner and will be subject to adjustment upon verification of defect.
2. Any product that has been damaged as a result of being improperly serviced or operated, including, but not limited to, the following: operated with insufficient water or airflow, allowed to freeze, subjected to flood conditions, subjected to improper voltages or power supplies, operated with airflow or water conditions and/or fuels or additives which cause unusual deposits or corrosion in or on the product, chemical or galvanic erosion, improper maintenance or subject to any other abuse or negligence.
3. Any product that has been damaged as a result of natural disasters, including, but not limited to, the following: lightning, fire, earthquake, hurricanes, tornadoes or floods.
4. Any product that has been damaged as a result of shipment or handling by the freight carrier. It is the receiver’s responsibility to claim and process freight damage with the carrier.
5. Any product that has been defaced, abused, or suffered unusual wear and tear as determined by
Electro Industries or its authorized representative.
6. Workmanship of any installer of the product. This warranty does not assume any liability of any nature for unsatisfactory performance caused by improper installation.
7. Transportation charges for any replacement part or component, service calls, normal maintenance; replacement of fuses, filters, refrigerant, etc.
CONDITIONS AND LIMITATIONS:
1. If at the time of a request for service the original owner cannot provide an original sales receipt or a warranty card registration then the warranty period for the product will have deemed to begin thirty
(30) days after the date of manufacture and NOT the date of installation.
2. The product must have been sold and installed by a licensed electrical contractor, a licensed plumbing contractor, or a licensed heating contractor.
3. The application and installation of the product must be in compliance with Electro Industries’ specifications as stated in 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 the manual that accompanies the unit. Annually, a qualified and licensed contractor must inspect the product to assure it is in proper working condition.
5. All related heating components must be maintained in good operating condition.
6. All lines must be checked to confirm that all condensation drains properly from the unit.
7. Replacement of a product or product part under this limited warranty does not extend the warranty term or period.
8. Replacement product parts are warranted to be free from defects in material and workmanship for ninety (90) days from the date of installation. All exclusions, conditions, and limitations expressed in this warranty apply.
9. Before warranty claims will be honored, Electro Industries shall have the opportunity to directly, or through its authorized representative, examine and inspect the alleged defective product or product parts. Remedies under this warranty are limited to repairing or replacing alleged defective product or product parts. The decision whether to repair or, in the alternative replace, products or product parts shall be made by Electro Industries or its authorized representative.
THESE WARRANTIES DO NOT EXTEND TO ANYONE EXCEPT THE ORIGINAL PURCHASER AT RETAIL AND ONLY WHEN THE PRODUCT IS IN THE ORIGINAL
INSTALLATION SITE. THE REMEDIES SET FORTH HEREIN ARE EXCLUSIVE.
ALL IMPLIED WARRANTIES, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE HEREBY DISCLAIMED WITH
RESPECT TO ALL PURCHASERS OR OWNERS. ELECTRO INDUSTRIES, INC. IS NOT BOUND BY PROMISES MADE BY OTHERS BEYOND THE TERMS OF THESE
WARRANTIES. FAILURE TO RETURN THE WARRANTY CARD SHALL HAVE NO EFFECT ON THE DISCLAIMER OF THESE IMPLIED WARRANTIES.
ALL EXPRESS WARRANTIES SHALL BE LIMITED TO THE DURATION OF THIS EXPRESS LIMITED WARRANTIES SET FORTH HEREIN AND EXCLUDE ANY
LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES RESULTING FROM THE BREACH THEREOF. SOME STATES DO NOT ALLOW THE EXCLUSION OR
LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY. PRODUCTS OR PARTS OF
OTHER MANUFACTURERS ATTACHED ARE SPECIFICALLY EXCLUDED FROM THE WARRANTY.
THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY HAVE OTHER RIGHTS WHICH VARY UNDER THE LAWS OF EACH STATE. IF ANY
PROVISION OF THIS WARRANTY IS PROHIBITED OR INVALID UNDER APPLICABLE STATE LAW, THAT PROVISION SHALL BE INEFFECTIVE TO THE EXTENT OF
THE PROHIBITION OR INVALIDITY WITHOUT INVALIDATING THE REMAINDER OF THE AFFECTED PROVISION OR THE OTHER PROVISIONS OF THIS WARRANTY.
Page 2 of 2 XX017
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