Operating instructions

12/23/2011 2 EI711A
Introduction
When installed according to this installation manual and inspected by your local power company
representative, your dual heating system will qualify for special off-peak electric or dual fuel kWh rates.
Easy and direct connection for the utility load control receiver, both winter and summer control.
This repackaged model series includes the basic, patented, WarmFlo Select mechanical design – type of
element, element position, directed airflow, enclosure cooling plate, approved zero clearance A-coil or
furnace, etc. In addition, this WarmFlo Select has a special controller which allows for simplified control
wiring, easy heat pump or furnace interface.
 Smart controller, fully automatic
o Outdoor and warm air temperature sensing
o Electric element modulation, increased comfort and uniform heating
o Electric element modulation, minimum resistant element usage
o Knows building heat requirement
o One room thermostat, entire system
o One utility control receiver function for both winter and summer control
o Controls and reacts with heat pump, tempers output for comfort and total season heating
Since this is an addition to a gas or oil forced air furnace and ducting system, the furnace system must be
installed complete and in good working condition prior to energizing or using this WarmFlo Select –
furnace itself, heat pump, gas supply, permanent wired room thermostat, WarmFlo sensors, completed
ducting system with proper filter, etc. There are certain interacting functions within the WarmFlo Select
controller, if the total system does not respond correctly it may lock up and there could be a loss of
heating.
Note: This installation and operating manual is the property of the equipment purchaser and should
remain with the installed unit. If the installing contractor desires other copies, access Electro Industries’
documentation channel.
For information, this unit is rated at 240VAC. When operating at lower source voltage, the output is
reduced, example 208VAC, a 20 kW unit is effectively only 15 kW.
Warning: To properly maintain the 20-year specified warranty conditions of this WarmFlo
Select unit, correct installation within the furnace plenum is required. This installation manual
provides the necessary details, the installing contractor has the responsibility to install as detailed
and test this unit to verify proper airflow, non-hi-limiting conditions, etc.