Infloor TC 204 Heating Controller User Manual

Page 8

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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.

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