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12. Outdoor Reset Control
12.3.2
CH Minimum Boiler Temperature (Parameter 5)
This parameter is not applicable if an outdoor sensor is not connected
to the appliance. When an outdoor temperature sensor is connected,
the CH Minimum Boiler Temperature becomes the appliance setpoint
on the CH Reset Curve Warmest Day.
12.3.3
CH Reset Curve Coldest Day (Parameter 6)
This parameter is not applicable if an outdoor sensor is not connected
to the appliance. When an outdoor temperature sensor is connected,
the CH Reset Curve Coldest Day is the coldest design temperature of
the heating system.
12.3.4
CH Reset Curve Warmest Day (Parameter 7)
This parameter is not applicable if an outdoor sensor is not connected
to the appliance. When an outdoor temperature sensor is connected,
the CH Reset Curve Warmest Day is the warmest design temperature
of the heating system.
12.4 Changing Outdoor Reset Parameters
Press the “
” button at the display panel for approximately 2
1.
to 3 seconds until main display begins to flash.
Press the “
” button repeatedly to scroll through the list of
2.
parameters. The operating display will show the parameter
number and the main display will show the parameter setting.
To modify a parameter, press the “ ” or “ ” buttons.
3.
Press the
reset button to close the parameter menu and
4.
store the changes.
The appliance control module has now been reprogrammed
with the desired outdoor reset parameter values.
Factory Setting
Minimum
Setting
Maximum
Setting
86°F
[30°C]
59°F
[16°C]
140°F
[60°C]
Factory Setting
Minimum
Setting
Maximum
Setting
64°F
[18°C]
59°F
[16°C]
77°F
[26°C]
Factory Setting
Minimum
Setting
Maximum
Setting
00°F
[-18°C]
-22°F
[-30°C]
50°F
[10°C]
Pressing the
ON/OFF button will exit the parameter
mode without storing the parameter changes.
NOTICE
90
20
60
80
100
140
180
70
64
50
30
10
0
-10
77
B
oi
le
r T
em
pe
ra
tu
re
(
F)
Outdoor Air Temperature ( F )
CH Maximum Boiler Temperature
Parameter 5
Setting
Pa
ra
m
et
er
7
S
et
tin
g
Pa
ra
m
et
er
6
S
et
tin
g
Graph 1: Outdoor Air Temperature Reset Curve Example
Outdoor
Temperature
Appliance Target Temp.
Based on Outdoor Temp.
10°F or Lower
140°F
30°F
117°F
50°F
93°F
64°F or Higher
77°F
Table 7: Outdoor Air Temperature Reset Example
Summary of Contents for CC105s
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