44
BOILER CONTROL: INTERNAL WIRING & OPERATION
Parameter
Parameter Description
Unit/Option
Default Option
(21) Baseline Supply Temp.
Set CH setpoint when outdoor temperature
equals Baseline Outdoor Temperature
O
F (
O
C)
104.0 (40.0)
(22) Baseline Outdoor
Temp.
Set the outdoor temperature at which CH
setpoint is set to Baseline Outdoor
Temperature
O
F (
O
C)
65.3 (18.5)
(23) Design Supply Min.
Limit
Set the outdoor reset curve minimum setpoint
O
F (
O
C)
68.0 (20.0)
(24) Design Supply Max.
Limit
Set the outdoor reset curve maximum setpoint
O
F (
O
C)
185.0 (85.0)
(25) Warm Weather
Shutdown
Set outdoor temperature above which CH
demand is blocked
O
F (
O
C)
71.6 (22.0)
(26) Boost Temp Increment
Set the setpoint boost function temperature
increment
O
F (
O
C)
0.0 (0.0)
(27) Boost Time Delay
Set the setpoint boost function delay time
min.
120
(28) Night Setback Temp.
Set the CH setpoint night setback temperature
O
F (
O
C)
9.9 (5.5)
O
F (
O
C)
71.6 (22.0)
(35) DHW Mode
Set the DHW mode
0: No DHW
1: DHW Store with Sensor
2: DHW Store with Thermostat
2: DHW Store with
Thermostat
(113) Max. Power DHW
Set the maximum DHW burner power
%
100
(114) Min. Power DHW
Set the minimum DHW burner power
%
0%
(36) DHW Tank Hyst.
Down
Set the DHW tank hysteresis down
O
F (
O
C)
7.2 (4.0)
(37) DHW Tank Hyst. Up
Set the DHW tank hysteresis up
O
F (
O
C)
9.0 (5.0)
(38) DHW Tank Supply
Extra
Set the DHW tank supply setpoint offset
O
F (
O
C)
54.0 (30.0)
(42) DHW Priority
Set the DHW priority mode
0: Time
1: Off
2: On
0: Time
(43) DHW Max. Priority
Time
Set the maximum DHW priority time
min.
30
(44) DHW Pump Overrun
Set the DHW post-circulation time
sec.
60
(48) DHW/Tank Setpoint
Set the DHW setpoint
O
F (
O
C)
120.2 (49.0)
(115) DHW Store Setpoint
Set the DHW storage setpoint
O
F (
O
C)
180.0 (82.5)
(116) Prog. Input 1.
Do Not Change Without Factory Approval.
Select the function for programmable input 1
# 0-3
0: Disabled
1: Water Pressure Sensor
3: Water Pressure Switch
3: Water
Pressure Switch
(117) Prog. Input 2.
Do Not Change Without Factory Approval.
Select the function for programmable input 2
# 0-4
0: Disabled
1: DHW Flow Sensor
2: DHW Flow Switch
3: CH Flow Sensor
4: CH Flow Switch
4: CH Flow
Switch
(118) Prog. Input 3.
Do Not Change Without Factory Approval.
Select the function for programmable input 3
# 0-2
0: Disabled
2: Gas Pressure Switch
2: Gas Pressure Switch
(120) Prog. Input 5.
Do Not Change Without Factory Approval.
Select the function for programmable input 5
# 0-1
0: Disabled
1: Return Sensor
1: Return Sensor
(121) Prog. Input 6.
Do Not Change Without Factory Approval.
Select the function for programmable input 6
# 0-2
0: Disabled
1: Flue Sensor
2: Flue Switch
1: Flue Sensor
Table 8.J.2.1 (cont.): Settings -> Boiler Settings -> Boiler Parameters
