Laars OMNITHERM ONH1250 Assembly, Installation And Operation Instructions page 103

Boiler water heater
Table of Contents

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O
T
The
MNI
HERM
Table 18. ONV
(WATER
HEATER)
Parameter and
Range Table (2
pages)
ONV
Time & Date
Hour
Minute
Month
Day
Year
DHW1
DHW1 Enable/Disable
DHW1 Setpoint
DHW1 On Hysteresis
DHW1 Off Hysteresis
DHW1 PID Low - Proportional Gain
DHW1 PID Low - Integral Time
DHW1 PID Low - Derivative Time
DHW1 PID High - Proportional Gain
DHW1 PID High - Integral Time
DHW1 PID High - Derivative Time
DHW2
DHW2 Enable/Disable
DHW2 Setpoint
DHW2 On Hysteresis
DHW2 Off Hysteresis
DHW2 PID Low - Proportional Gain
DHW2 PID Low - Integral Time
DHW2 PID Low - Derivative Time
DHW2 PID High - Proportional Gain
DHW2 PID High - Integral Time
DHW2 PID High - Derivative Time
DHW3
DHW3 Enable/Disable
DHW3 Setpoint
DHW3 On Hysteresis
DHW3 Off Hysteresis
DHW3 PID Low - Proportional Gain
DHW3 PID Low - Integral Time
DHW3 PID Low - Derivative Time
DHW3 PID High - Proportional Gain
DHW3 PID High - Integral Time
DHW3 PID High - Derivative Time
DHW3 Offset
Control Sensor
DHW Timeout
CH Timeout
Outdoor Reset (NOT Available on Volume Water Units)
Cascade DHW
Address
Dynamic Address
Minimum On Time
Minimum Off Time
Lost Lead Backup Setpoint
Lag On Hysteresis
Lag Off Hysteresis
Maximum Lag Temperature
Cascade Rotation
Rotation Mode
Run Time Hours
Time of Day - Hour
Time of Day - Minutes
Every X Day
Cascade Redundancy
Loss of Lead Setup
Pump Configuration
Boiler Pump Control
Boiler Pump Post Circulation
DHW Pump Control
DHW Pump Post Circulation
Minimum
NA
x
x
x
x
x
x
NA
NA
x
x
x
NA
x
x
x
x
x
x
NA
x
x
Disable
x
x
x
50 F
x
x
0 F
x
x
0 F
x
x
0
x
x
0
x
x
0
x
x
0
x
x
0
x
x
0
x
x
Disable
x
x
x
50 F
x
x
0 F
x
x
0 F
x
x
0
x
x
0
x
x
0
x
x
0
x
x
0
x
x
0
x
x
Disable
x
x
x
50 F
x
x
0 F
x
x
0 F
x
x
0
x
x
0
x
x
0
x
x
0
x
x
0
0
x
x
x
x
x
0 F
x
x
System Supply
x
x
0 minutes
x
x
0 minutes
x
x
0
x
x
0
30 s
x
x
x
x
30 s
100 F
x
x
x
x
0 F
0 F
x
x
x
x
120 F
Run Time
x
x
x
x
12 hrs
0
x
x
x
x
0
x
x
1
Disable
x
x
Disable
x
x
0 secs
x
x
Disable
x
x
x
x
0 secs
Page 103
Maximum
Default
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Enable
Enable
210 F
180 F
60 F
10 F
20 F
10 F
10
5
10
2
10
0
10
7
10
7
10
0
Enable
Enable
210 F
170 F
60 F
10 F
20 F
10 F
10
5
10
2
10
0
10
7
10
7
10
0
Enable
Enable
210 F
140 F
60 F
10 F
20 F
10 F
10
5
10
2
10
0
10
7
10
7
10
0
70 F
0
DHW
System Supply
600 minutes
0 minutes
600 minutes
0 minutes
8
0
8
0
600 s
60 s
600 s
60 s
200 F
140 F
60 F
10 F
20 F
10 F
200 F
180 F
Recurrence
Run Time
744 hrs
24 hrs
23
2
59
0
365
1
Boiler Internal
Setpoint/ Redundant
Disable
Lead
Auto/ Always On/ Off
During DHW/Auto -
Off When
Auto
Temperature
Reached
600 secs
60 secs
Auto/ Always On
Auto
600 secs
60 secs

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