OMM-0153_E
• 5/11/2023 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 73 of 124
CENTURION Installation, Operation & Maintenance Manual
SECTION 8: WATER HEATER MANAGEMENT
8.3.3 Temperature Sensor Calibration
The Temperature Sensors screens allows you calibrate the
unit’s temperature sensors to
achieve optimal performance. Complete the following to calibrate the temperature sensors.
Figure 8-2: Temperature Sensors Screen
1. Go to:
Main Menu
→
Calibration
→
Input/Output
→
Temperature Sensors
.
2. Press the Sensor parameter and select the temperature sensor you want to calibrate. The
following sensors are available for calibration:
•
Feed Forward
•
Outside Temp
•
Lower Inlet
•
Exhaust
•
Air Inlet
•
Outlet
3.
The selected sensor’s current reading appears in the Current Reading field.
4. If there is an independent way to measure the temperature, and it differs from the Current
Reading, enter an appropriate value in the Offset parameter.
8.3.4 Manual Mode Password Required
To prevent unauthorized or inadvertently setting the unit, entering a valid password is required
to set the Edge in Manual Mode. Any level password will enable Manual Mode.
8.3.5 Auto-Manager Transfer
The Auto-Manager Transfer feature, once enabled, automatically transfers WHM Manager
functionality to a new unit if the current WHM Manager fails or loses power.
To use this feature (default = Disabled), go to:
Advanced Setup
→
WHM Cascade
→
Cascade Configuration
on the unite designated as the WHM Manager
and set
Auto-Manager
Transfer
to
Enabled
, then choose the address of the backup unit in the
Backup Manager
Addr
parameter. You can also specify a delay before transferring manager functionality in the
Auto-Manager Timer
parameter.
8.3.6 Run Hours and Run Cycles
Run hours and run cycles are monitored to select the Lead unit and Lag unit (next on unit) in a
WHM Cascade mode. Run hours and run cycles can be increased to match other units in an
existing plant to make sure that the unit is properly sequenced. Run hours and run cycles can
only be increased but cannot be decreased. Once entered, the changes made will be
permanent and this feature will not allow changing to the previous value.
Only PVI personnel are permitted to change this menu item. To increase the
Run Hours
or
Run
Cycles
, go to
Main Menu
→
Advanced Setup
→
Unit
→
Unit Settings
→
Run Hours
.