Infloor TC 204 Heating Controller User Manual
Page 8
Outdoor Temperature
60
50
40
30
20
10
0
80º
100º
120º
140º
160º
180º
200º
220º
-10
-20
-30
14
S
u
p
p
ly
W
a
te
r
T
e
m
p
e
ra
tu
re
8
Reset Curve Summary
Function
Menu
Line
Outdoor Cut-Off Temperature
9
CUT.O
Minimum Supply Temperature
6
MIN W
Maximum Supply Temperature
6
MAX W
Supply Temperature at 14º F
8
-10C1
Supply Temperature at 50º F
8
+10C1
MAX W
MIN W
-10C1
+10C1
CUT.O
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
Default 68º F
When the supply water temperature set point is below this setting the pump stops.
LIM-1
32º F - 68º F
Default 64º F
Below this outside temperature the pump runs regardless of the setting in LIM-0.
MOT.
0 - 30 Days
Default 7 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
Default 0
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 (= 95º F - 140º F)
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.