AUX EL Series Instructions d'exploitation télécharger pdf (Page 28)

09/11/2014 26 NI401

Field Setup Overview

Your EZGEO-equipped Northern Heat Pump can be set up at your location to fit most any requirements and

conditions. This is accomplished with the use of the various dials and switches located on the EZGEO board. It

is extremely important the installer properly goes through this section and sets up the various switches to match

the installation. Again, refer to HC112 Helps – EZGEO Controller section for further details on these setups.

The diagram below shows the dial locations on the EZGEO board.

Warning: Power-down reset required whenever changing any of the switch positions on the back side

of the board.

Mode Dial

Mode

Switch

Mode SW OVER Configuration

A Geo only N/A

No AUX EL, no gas, no auto SB, but load control can interrupt

compressor for cooling (not heating)

Geo/AUX EL 0

AUX EL (with compressor supplement or emergency), utility

load control, etc.

Geo/AUX EL/gas Value

AUX EL, gas, auto SB, utility load control, etc. AUX EL is

used above SW OVER value, below SW OVER point gas has

priority.

C Geo/gas Value No AUX EL, gas furnace, auto SB, utility load control

D Split/gas Value Not applicable for this model

*Mode B also requires the proper setting and interpretation of SW OVER dial switch. As shown in the mode

selection table, if the configuration is AUX electric only, SW OVER switch must be in position 0. If it is both

AUX EL and gas, the SW OVER switch must be in a temperature value position.

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AUX EL Series Instructions d'exploitation Page 28