40
amperage restrictions. Instead the system will control the heater
indirectly by the HP activating the contactor coil. A dry contact relay
is supplied for back up. If you are using the EcoULTRA tank, then you
can simply connect the contacts (E1 & E2 terminals) on the Heat
Pump to the same terminals on the EcoULTRA (see next section). If
you are not using a dry contact back up heating source and need to
connect a direct back up heating element such as a water tank please
contact us of modification instructions for a contactor.
Eco ULTRA Integration
Eco ULTRA is a unique buffer/boiler tank that can fully control most hydronic systems. The Eco Ultra can
be configured with 4.5 Kw to 29 Kw back up electric power sources. The 50 or 70 US-gallon storage
capacity makes this tank the ultimate back up heating source for any Air Source Heat Pump or
Geothermal Hydronic System.
If you have purchased an Eco ULTRA boiler buffer tank to back up your heat pump, then the integration
between the heat pump and boiler is done by turning on the Bi-Energy Mode on the Eco ULTRA. This is
done by removing the front access panel. Raise the panel up and on the back of the controller panel you
will see a switch marked “Elec or Bi-Energy” Select Bi Energy.
On the Eco ULTRA cut the jumper between E1 and E2 and connect it using #16 or #18 AWG wire to the E1
and E2 terminals on the Arctic Heat Pump located on the front panel. Next jumper R and W so that
when in electric mode the backup elements will turn on as closing these two terminals signals a demand
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