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20 | Service menu
Menu item
default setting
Room Feedback
6 °F (3 °C)
(
)
Contin. heat
OFF
(
)
Frost protect
by Room Temp.
Frost thresh.
41 °F (5 °C)
DHW Priority
ON
Table 7
Settings in the heating zone menu
Threshold temperature for frost (frost protection limit
temperature)
NOTICE: Risk of destroying hot water-
conducting system components if the
threshold temperature for frost is set too low
and room temperatures are below 32 °F
(0 °C)!
▶ Only contractors are permitted to adjust
the factory setting of the frost threshold
temperature (41 °F / 5 °C) for the system.
▶ Do not set the threshold temperature too
low.
Damage resulting from a frost threshold
temperature set too low is not covered
under warranty!
▶ Assured frost protection of the system is
not possible without an outdoor
temperature sensor.
Outdoor temperature-dependent settings are
only shown with connected outdoor
temperature sensor.
6 720 821 651 (2017/05)
Control range
OFF | 2 ... 18 °F
(1...10 °C)
OFF | – 22...50 °F
( – 30...10 °C)
OFF |
by Outdoor Temp (
) |
by Room Temp. | Room -
Outside (
)
– 4...50 °F
( – 20...10 °C)
ON | OFF
Functional description
The outdoor reset control functions independent of the room
temperature.
The higher the setting value, the greater the influence of the
room temperature on the heating curve.
At this set outdoor temperature, setback no longer occurs. The
system operates in the heating mode to prevent greater cooling.
Note: To ensure frost protection for the heating zone, set
outdoor temperature-dependent frost protection. This setting
is independent of the set control type.
Outdoor temperature-dependent settings are only shown with
connected outdoor temperature sensor.
OFF: Frost protection off
Other: Frost protection is deactivated/activated on the basis of
the temperature selected here ( Threshold temperature for
frost (frost protection limit temperature), Page 20)
Threshold temperature for frost (frost protection limit
temperature), Page 20
ON: Water heating is activated, the heat demand of the heating
system is canceled
OFF: Water heating is activated, the heat demand of the heating
system is being met simultaneously (only possible if the hot
water system is supplied via the tank pump)
CRC200
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