10/04/2007 11
NI802
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
It is extremely important the installer properly sets the peg jumpers for all of the following requirements.
WarmFlo Controller –
Inside View, Left Board
Program Control Chip
This unit is provided with a control chip (version 2.36 or higher) which can relate to heat pump or non-
heat pump, but must have both the OT and ST sensors installed. The key information programmed within
this “AH” chip is:
Stg. Enable
MU Time
ODT Mode
OT Function
SB Reset
90°, 38°, 36°, 34°
00
HP
DT cal.
Disabled
Electric Heat Staging Disable
At OT temperatures above the following the electric elements are held off. The outside temperature (as
measured by the OT sensor) must be below these values before the appropriate stage will come on. This
is independent of the supply sensor requirement.
Stage OT
Temp.
1 90°
F
2 38°
F
3 36°
F
4 34°
F
WarmFlo Dial Settings
Lower right
dial switch
–
min. warm air
– The yellow dial switch sets a “floor” or level minimum
operating temperature. The supply temperature will never go below this point independent of outdoor
temperature. In other words, this is the flat horizontal line on the warm air versus outdoor temperature
curve.
0 = 90
4 = 98
Factory set on #3.
1 = 92
5 = 100
2 = 94
6 = 102
3 = 96
7 = 104
Top right dial switch - Built-in ODT –
The yellow dial switch can be set to
terminate the heat pump
below ODT temp.
The temperature settings related to the “ODT dial” are:
Ø = Disabled, no ODT switch-over
Factory set on #3.
1
=
-15
°
F 5
=
10°F
2
=
-10
°
F 6
=
20
°
F
3
=
0
°
F
7 = 30°F
4
=
5
°
F
COMMENT:
If you are using outdoor compressor built-in ODT, set the dial to “0”.
Temperature (Efficiency Dial)
– Located on the front cover of the WF II Electro-Mate, the red center
screwdriver adjustment dial has a selection of A through G. These A through G selections represent a
supply temperature point at 0° outdoor. The closer the user or installer selection is to A, the flatter the
