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9 - START UP PROCEDURE
9.15 Parameters Settings
Boiler control panel is set for most common heating systems.
With these settings, most heating systems operate correctly;
however, installer can adjust parameters according to their
own preferences.
Parameter
Description
Adjustment Range
Factory Setting
UCS-380
P1
Max flow temperature during
CH mode
(Set temperature)
68 to 194ºF
20 to 90ºC
176°F/80°C
P2
Desired DHW temperature
104 to 149ºF
40 to 65 ºC
140ºF/60ºC
P3
Switch on/off CH/DH function
0 = Heating off / DHW off
1 = Heating on / DHW on
2 = Heating on / DHW off
3 = Heating off / DHW on
2
P4
Keeping warm for DHW
comfort
0 = Always on
1 = Always off
2 = Controller
2
P5
Anticipation current on/off
thermostat
0 = No
1 = Yes
0
P6
Amount of information on
display
0 = Simple
1 = Extended
2 = Automatic
1
P7
Pump post run time CH
1 to 98 minutes
99 minutes = continuous
3
P8
Display brightness when
backlight is active
0 = Low
1 = High
1
P17
Max fan speed during CH
mode
Natural gas(1) (x100 rpm)
73
Propane (x100 rpm)
71
P18
Max fan speed during
DHW mode
Natural gas(1) (x100 rpm)
73
Propane (x100 rpm)
71
P19
Minimum fan speed during
CH + DHW mode
Natural gas(1) (x100 rpm)
12
Propane (x100 rpm)
12
P20
Offset on part load fan
speed
Natural gas(1) (x100 rpm)
0
Propane
0
P21
Fan speed at the boiler
start
(x100 rpm)
30
P22
Minimum water pressure
for notification
5 = 7.3 psig/0.5 bar
5
P23
Maximum flow
temperature for
heating system
32 to 190ºF
0 to 88ºC
68ºF/20ºC
P24
Hysteresis anticycle CH
5 to 59ºF
-15 to 15ºC
68ºF/20ºC
P25
Maximum outdoor
temperature (for use with
an outdoor temperature
sensor only)
32 to 86ºF
0 to 30ºC
241
P26
Footpoint heating curve flow
temperate Maximum outdoor
temperature (for use with an
outdoor temperature sensor
32 to 194ºF
0 to 90ºC
68ºF/20ºC
PN 240011662 Rev. H [04/30/2019]