OMM-0153_E
• 5/11/2023 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 78 of 124
CENTURION Installation, Operation & Maintenance Manual
SECTION 8: WATER HEATER MANAGEMENT
Remaining WHM parameters are in
WHM Cascade
→
Operating Controls.
Operating Controls
→
Sequencing Control Parameters
Menu Item Display
Available Choices or Limits
Default
Minimum
Maximum
Next On Valve Pos
16%
100%
50%
The valve position that triggers the next unit to come on line.
Next Off Valve Pos
16%
100%
25%
The valve position that triggers the next unit to come off line.
WHM Max Units
1
16
16
WHM Manager only
–
The maximum number of units that will fire. For example: if there
are 5 units, but this setting is set to 3, the plant will not fire more than 3 units.
WHM Client Screen
WHM Manager Screen
Figure 8-7: Operating Controls: Sequencing Controls Screens
Operating Controls
→
Anti-Cycling Parameters
Menu Item Display
Available Choices or Limits
Default
Minimum
Maximum
On Delay
30
300
30
The minimum time a unit must stay off after shutting down or going into standby.
WHM Off Delay
30
300
30 sec.
The amount of time the low fire position will be delayed.
Shutoff Delay Temp
0
25
5
The temperature above setpoint the unit may rise to during delay shutdown.
Figure 8-8: Operating Controls: Anti-Cycling Control Screen