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Application – total electric systems.
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Air or water source heat pumps
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Air handler includes refrigerant coil, blower inlet
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No standby or gas furnace provisions
Utility load control – as a total electric application, we assume no utility control or switchover to
automatic standby. However, if this is not the case the electrical hookup section suggests wiring for load
control receiver connection. If installation also requires switchover to automatic standby furnace, call
factory for necessary furnace interface module (WF-EM3, WF-LGR3, or WF-EZ3).
To meet the above application, this WarmFlo system comes with a multi-coded chip. If factory default
does not match your application, reference HD320 for other setup parameters.
06/07/2016
WarmFlo Equipped
Electric Duct Heater
EM-WE ** *5 *
kW
10 = 9.6 kW
15 = 14.4 kW
20 = 19.2 kW
Size
H = 8W x 10D
L = 8W x 16D
C = starter plenum
Stages
2 = 2
3 = 3
4 = 4
EI508
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Table of Contents
Related Manuals for Electro Industries EM-WE1025H
Summary of Contents for Electro Industries EM-WE1025H
- Page 1 WarmFlo Equipped Electric Duct Heater Size H = 8W x 10D L = 8W x 16D EM-WE ** *5 * C = starter plenum Stages 10 = 9.6 kW 2 = 2 15 = 14.4 kW 3 = 3 20 = 19.2 kW 4 = 4 Application –...
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Page 2: Table Of Contents
TABLE OF CONTENTS Page Introduction Specification Mechanical Installation Electrical Hookup Controller Setup or Programming Operation Indicators Installation Checkout Handheld Analyzer/Laptop Software Troubleshooting Operational Information Drawings EI503-F1 EI503-F2 EI503-F3 HH310 HH332 ES502 HD320 XX017 06/07/2016 EI508... - Page 3 INTRODUCTION Prior to installation we recommend that the installer verify the product intended application is applicable to your current installation needs. This product provides generic forced air electric resistance heater designed for air handler, heat pump, or blower cabinet outlet duct installation. The relationship of the blower outlet to this insert heater must be according to the specific mechanical installation or instruction in detail of this manual.
- Page 4 ARL certification label, and manufacturer product liability. Electro Industries, Inc., cannot be held responsible for field modifications, incorrect installation, and conditions which may bypass or compromise the built-in safety features and controls.
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Page 5: Mechanical Installation
MECHANICAL INSTALLATION NOTE: When installing or mounting this duct heater within four feet of the blower outlet, the following steps must be followed as detailed and shown in the appropriate drawing. This is necessary because the airflow from the blower outlet, A-coil, T-Duct, elbows, etc., is very non-uniform. The elements themselves must be centered over the blower opening width (wheel width) and the element rack must be in line with the blower outlet outer edge, see Figure 2. -
Page 6: Electrical Hookup
ELECTRICAL HOOKUP High Voltage 240 VOLT SOURCE - Locate correct model number and KW size in Table 1 to determine operating current and minimum source circuit breaker size. According to local codes, building type, wiring run distance, etc., use the appropriate electric conductor size for the 240-volt source power. Connect to fuse block/input terminals (10KW is terminal block only). - Page 7 Built-in compressor ODT – if using the built-in ODT function, there must be an added relay to open the yellow wire going to the outside unit, dotted insert diagram on HH310. This must be a small, low current, 24- volt DC relay as shown or order EE-5053 part from Electro Industries. 06/07/2016...
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Page 8: Controller Setup Or Programming
CONTROLLER SETUP OR PROGRAMMING Important - Located on the WF II board is a firmware chip that determines a specific set of defaults. This can also be programmed (altered) with optional PC software (ET-SOFT-WF) or a plug-in WarmFlo analyzer (WF- ANZ*). - Page 9 Center dial switch – temperature (efficiency dial) vs. outside – see later section “Heat Loss Curve”, the numbers below set a duct or supply temperature point at 0° degree outside. This allows the installer or user to determine the WarmFlo controller heat loss slope or how fast the supply temperature rises based upon a decrease in outside temperature.
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Page 10: Operation Indicators
OPERATION INDICATORS WarmFlo II Controller Strip Heat Disable – To maximize heat pump system energy efficiency and preventing “accidental” unnecessary resistant strip heat when it is not required, this WarmFlo II controller disables or locks out strip heat elements based upon outdoor temperature. Stage 1 - 5ØF Stage 2 - 38F Stage 3 - 36F... -
Page 11: Installation Checkout
INSTALLATION CHECKOUT Insert plenum thermometer 6” to 8” above the electric element section, position to measure the warm air from the electric elements. Proceed with the following procedure, observing the various staging action, element power current, and the outlet temperature. Verify controller setup dial switch settings per previous section. -
Page 12: Troubleshooting
TROUBLESHOOTING Comment: Also see the “WarmFlo Information” document (HD320) included with this manual. Sensor Temperature Calibration - Both remote sensors are digital electronic and factory calibrated. Normally these do not require field calibration or verification. However, if sensor temperature error is determined, there are two field calibration techniques. -
Page 13: Operational Information
OPERATIONAL INFORMATION In order for the installer to completely understand the WF II functions and operational sequence it is recommended to thoroughly read and understand the information below. This knowledge can help in determining settings that can be set according to the end customers needs. Normal Heating Operation –... - Page 14 Figure 1 Factory set per table and chip on order sheet. Outdoor sensor reference or heating requirement level – the outdoor digital sensor “tells” the WarmFlo “brain” its desired (DT) value or decision making capability. This is for desired or required supply temperatures greater than the “min.
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Page 15: Ei503-F1
1. Center heater elements over blower outlet. 2. To maintain warranty, deflectors must be installed as shown. BLOWER DESCRIPTION ELECTRO INDUSTRIES, INC. IMPORTANT NOTE: When mounting Duct Heater MONTICELLO, MN 55362 DUCT HEATER DRAWN SOURCE DOCUMENT LARGE PLENUM within four (4) feet of blower and plenum is larger... -
Page 16: Ei503-F2
10" 4. Max depth is 10". DO NOT use this insertion method unless element rack completely fills plenum. DESCRIPTION ELECTRO INDUSTRIES, INC. IMPORTANT NOTE: When mounting Duct Heater MONTICELLO, MN 55362 DUCT HEATER DRAWN SOURCE DOCUMENT MECHANICAL INSTALLATION - FRONT... -
Page 17: Ei503-F3
REQUIRE MOUNTING UPRIGHT UAI937 Direction of elements must match blower position shown BLOWER DESCRIPTION ELECTRO INDUSTRIES, INC. IMPORTANT NOTE: When mounting Duct Heater MONTICELLO, MN 55362 DUCT HEATER DRAWN SOURCE DOCUMENT MECHANICAL INSTALLATION - SIDE within four (4) feet of blower and plenum is larger... - Page 23 : Cl VIOLET : Cl EM-WE2035L (COMMON) GRAY EM-WM2035L (24VAC, DURING T-STAT CALL) RED/WHT WARMFLO CONTROL BOARD illn DESCRIPllON ELECTRO INDUSTRIES, INC. MONTICELLO, MN 55362 Lfl_'J " DIAGRAM, EM-WE***5* DRAWN REFERENCE DOCUMENT WIRING SCHEMATIC �o BS7O5 CHECKED VIEW/DRAWING lYPE SCALE PART/ASSY/MODEL NUMBER N>...
- Page 24 VIOLET EM-WE1535L (COMMON) GRAY EM-WM1535L (24VAC, DURING T-STAT CALL) RED/WHT WARMFLO CONTROL BOARD illn DESCRIPllON ELECTRO INDUSTRIES, INC. Lfl..'J MONTICELLO, MN 55362 DIAGRAM, EM-WE *** 5 * r--- DRAWN REFERENCE DOCUMENT WIRING SCHEMATIC BS7O5 I[) (f) CHECKED VIEW/DRAWING lYPE SCALE PART/ASSY/MODEL NUMBER S _ C _ H _ EM _ A �...
- Page 25 (STAGE 4, Kl -K2) : Cl EM-WE1025L GRAY (COMMON) (24VAC, DURING T-STAT CALL) RED/WHT WARMFLO CONTROL BOARD illn DESCRIPllON ELECTRO INDUSTRIES, INC. MONTICELLO, MN 55362 Lfl_'J DIAGRAM, EM-WE *** S * DRAWN REFERENCE DOCUMENT WIRING SCHEMATIC BS7O5 I[) (f) CHECKED VIEW/DRAWING lYPE SCALE PART/ASSY/MODEL NUMBER S _ C _ H �...
- Page 26 VIOLET � (COMMON) GRAY • (24VAC, DURING T-STAT CALL) RED/WHT WARMFLO CONTROL BOARD illn DESCRIPllON ELECTRO INDUSTRIES, INC. MONTICELLO, MN 55362 Lfl_'J AM, EM-WE *** 5 * DRAWN ING SCH MATIC REFERENCE DOCUMENT BS7O5 I[) (f) CHECKED VIEW/DRAWING lYPE SCALE PART/ASSY/MODEL NUMBER l ��-----=- S _ C _ H _ EM _ A �...
- Page 27 2016 Update In the spring of 2016, an update was made to the main WarmFlo II controller to encompass all chip codes into one single control module. There is now a dial labeled “MODE” (SW6) which allows the selection of the various chip codes. NOTE: Upon changing of this dial, a power down reset is required.
- Page 28 WarmFlo Terminology, Key Terms ST – supply temperature sensor. This is the warm air or duct sensor (boiler – supply outlet water). OT – outdoor temperature sensor. Provides the WarmFlo board with outdoor temperature information. DT – desired temperature to overcome building heat loss, the diagonal line on heat loss curve. The front panel efficiency knob selects one of 8 curves to determine DT at specific real time OT.
- Page 29 the homeowner can easily activate all stages on to the end of the thermostat cycle. Warning: This is all stages on, no temperature monitor. This should only be used in this manner when it is a very cold building from non-occupancy, the outdoor temperature is quite low with low temperature rise coming from the heat pump.
- Page 30 HP – interrupts only the outdoor compressor unit, electric energy continues without an OT temperature shut down reference Note: "0" position does not disable outdoor sensor. This only disables the built-in heat pump ODT function. With the dial switch "0" position the heat pump becomes a direct function of the room thermostat and/or standby mode.
- Page 31 Delay on/delay off – within all Interface modules there is an approximate 10 to 15 second blower on delay and a 1-minute blower off delay. In the case of a heat pump stat, this can be bypassed by taking the stat “G” screw directly to the interface module tab “G1”...
- Page 32 HANDHELD ANALYZER/LAPTOP SOFTWARE PC software (ET-SOFT-WF) or Handheld (WF-ANZ*) – has provisions for the following setup or reprogramming functions. Caution – do not attempt to reprogram a forced air (Electro- Mate) chip for boiler application. Select proper product application – dial switch on the back MU time, or disable SB RESET –...
- Page 33 When the warm air sensor is calling for more than the heat pump and Stage 1 100% output, Stage 2, etc. turns on. Stage 1 may not necessarily remain at 100%, but can be modulated downward to meet the requirements of the warm air sensor. Also on the next call for heat, the WarmFlo II controller remembers what stages were on and starts at that point.
- Page 34 Outdoor sensor reference or heating requirement level* – the outdoor digital sensor “tells” the WarmFlo “brain” its desired (DT) value or decision making capability. This is for desired or required supply temperatures greater than the “min. warm air” horizontal line setting. At each internal calculation cycle a DT is determined by reading the outdoor temperature (OT) and then finding the appropriate warm air point on the appropriate or selected diagonal line.
- Page 35 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.
- Page 36 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.