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Reset Curve Summary
Function
Outdoor Cut-Off Temperature
Minimum Supply Temperature
Maximum Supply Temperature
Supply Temperature at 14º F
Supply Temperature at 50º F
220º
200º
180º
MIN W
160º
140º
120º
100º
80º
60
Outdoor Temperature
Menu 11 Pump Control
Pump control is optional. If used, go to Menu 11.
Menu 11
PUMP
SELECT
0 or 1 Default is 0
1 means pump control is active: 0 means there is no pump control.
LIM-0
32º F - 140º F
When the supply water temperature set point is below this setting the pump stops.
LIM-1
32º F - 68º F
Below this outside temperature the pump runs regardless of the setting in LIM-0.
MOT.
0 - 30 Days
The pump can run for 3 minutes at night, without regard to the settings in LIM-0 & LIM-1 above. The purpose
is to prevent seals from drying out. The intervals can be from 1 - 30 days apart. 0 means this line is inactive.
INV
0 or 1
The output to the pump can be set to close (0) or open (1) on demand for the pump to run.
Return Water Control
Menu 7
RET.R
SELECT
0 or 1
Set this to 1 for return water control. This function sets a minimum boiler return water temperature which
overrides supply water temperature control until the minimum return temperature is reached.
This function does not work properly in all piping confi gurations (see piping schematics).
MIN
35º C - 60º C
This is the minimum acceptable boiler return water temperature.
P.RET
0.5 - 99.5 degrees
I.RET
0.5 - 99.5 minutes
These are the proportional band and integral time for the return water temperature. Leave default settings.
Menu
9
6
6
8
8
-10C1
+10C1
CUT.O
50
40
30
Default 68º F
Default 64º F
Default 7 days
Default 0
(= 95º F - 140º F)
Line
CUT.O
MIN W
MAX W
-10C1
+10C1
20
10
0
14
8
MAX W
-10
-20
-30
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