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Maximum
Default
ONH
U
se
r
In
st
al
le
r
O
E
M
Minimum
System Pump Control
x
x
System Pump Post Circulation
x
x
Pump On Delay Timer
x
x
Proportional Gain
x
x
Integral Time
x
x
Derivative Time
x
x
Pump Minimum Speed
x
x
Pump Maximum Speed
x
x
Pump Off Delay Timer
x
x
Delta Temperature
x
x
PrePurge Speed
x
x
PostPurge Speed
x
x
Enable Burner
x
x
Fan speed
x
x
Time Out
x
x
Postpurge Time
x
x
Manual Heat Demand
x
x
Auto Reset Boiler Outlet
x
x
Manual Reset Boiler Outlet
x
x
Reset Differential
x
x
Manual Reset Flue
x
x
Flue Temp Min
x
x
Flue Temp Max
x
x
Delta T Maximum Temperature
x
x
Delta T Enable/Disable
x
x
Outlet Temp Minimum
x
x
Outlet Temp Maximum
x
x
Control Mode
x
x
Maximum Setpoint
x
x
Minimum Setpoint
x
x
Demand Max
x
x
Demand Min
x
x
Demand On
x
x
Demand Off
x
x
Input Type
x
x
Heat Demand
x
x
CH1 Demand Priority
x
x
CH2 Demand Priority
x
x
DHW Demand Priority
x
x
Cascade Demand Priority
x
x
External Demand Priority
x
x
Anti Frost Mode
x
x
Anti- Frost Setpoint
x
x
Anti- Frost Hysteresis
x
x
Anti- Frost Pump Control
x
x
Temperature Minimum
x
x
Temperature Maximum
x
x
Feature Options
x
x
Summer Kick CH
x
x
Summer Kick DHW
x
x
Summer Kick System
x
x
Summer Kick Period
x
x
Cycle Time
x
x
Conversion Unit
x
x
Protocol
x
x
Baudrate
x
x
Address
x
x
Device Model Name
x
x
Device Object Name
x
x
Object Instance
x
x
Timeout
x
x
Burner Enable/Disable
x
x
Light Timeout
x
x
x
AutoLock Timeout
x
x
x
0 F
60 F
20 F
2000 mV
10000 mV
10000mV
800 rpm
5400 rpm
800 rpm
Vari-Prime
180
190
195
190
210
195
30 secs
Warm Weather Shutdown
50 F
140 F
90 F
50 F
140 F
95 F
4 F
11 F
5 F
Boiler
DHW/ System
Boiler
Anti- Frost
Disable
Pump Only/ Pump &
Burner
300 secs
300 secs
Service
Demand Priorities
1
1
1
1
1
5
5
5
5
5
2
3
1
4
NA
NA
Temperature Conversion
Celsius
Fahrenheit
127
50 F
70 F
60 F
Disable
Enable
Enable
240 secs
Pump Only
32 F
120 F
40 F
0%
25%
15%
0%
25%
10%
0-10 Volt
4-20 mA
0-10 Volt
120 F
200 F
150 F
50 F
50
500
500
VDC-mA Only
CH1&VDC-mA/
CH2&VDC-mA/
DHW&VDC-mA
CH1&VDC-mA
Screen Settings
60 secs
3600 secs
600 secs
Disable
Shutdown Immediately/
Shutdown After Demand
is Satisfied
Shutdown
Immediately
0 secs
COM port Options
9600
19200/38400/76800
76800
10 min
2000 min
1440 min
Anti- Short Cycle Time
10 secs
NA
Temperature Limits
100 F
210 F
195 F
50
500
500
50
500
450
100 F
210 F
200 F
1 F
30 F
20 F
60 secs
3600 secs
600 secs
0 secs
60 secs
0 secs
600 secs
30 secs
0 secs
600 secs
30 secs
0
4194303
600000
0
255
Fahrenheit
Disable
Enable
Enable
NA
NA
NA
BACnet
200 F
130 F
External Control
Disable
External Setpoint
Disable
5
Modbus
BACnet
0%
100%
100%
0%
100%
20%
600 secs
15.0 secs
Disable
Enable
Disable
2000 mV
10000 mV
10000mV
Firing Rate
Disable
Enable
Disable
15.0 secs
360.0 secs
60 secs
3600 secs
1200 secs
2000 mV
10000 mV
10000 mV
0 secs
600 secs
60 secs
1 secs
120 secs
1 secs
0
10
0
0 mV
10000 mV
2000 mV
0
10
5
0
10
2
0 secs
600 secs
60 secs
Disable
Auto/ Always On/ Off
During DHW
Auto
ONH (
BOILER
)
Parameter and Range
Table (continued)
LAARS Heating Systems
Содержание OMNITHERM ONH1250
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