OMM-0153_E
• 5/11/2023 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 75 of 124
CENTURION Installation, Operation & Maintenance Manual
SECTION 8: WATER HEATER MANAGEMENT
The following messages may appear on this screen:
FAILSAFE ACTIVE
– The Client Failsafe Mode has been activated
All Heaters On
– All available heaters are ignited
All Heaters Off
– All available heaters are off
Enabling First
– The first heater is allowed to ignite and its valve is opened
Enabling Next
– The next heater is allowed to ignite and its valve is opened
Wtr Htr Inactive
– This Client unit is inactive; its valve is closed and can’t ignite
Wtr Heatr Active
– This Client unit is active; its valve is opened and it can ignite
REMOTE SIG FAULT
– Remote signal fault
WHMS FAILSAFE
– WHMS is in Failsafe Mode
8.6 WHM Parameters
The WHM parameters are under
Advanced Setup
→
WHM Cascade
. Many of these are
preset at the factory and cannot be altered by the user.
NOTE:
Some parameters will not appear on screen if they are not enabled.
WHM Cascade
→
Cascade Configuration Parameters
Menu Item
Display
Available Choices or Limits
Default
Minimum
Maximum
WHM Unit
Mode
Off, WHM Client, WHM Manager
Off
Enables/disables the WHM mode and sets the unit to function as a WHM Client or WHM
Manager. Set the
WHM Unit Mode
option to
WHM Manager
for the unit designated as the WHM
Manager and to
WHM Client
for all other units on the network.
Auto-
Manager
Transfer
Enable, Disable
Disable
Enables (Password Level 2 required) an Automatic WHM Manager Switch-Over function. When
enabled, the WHM will automatically select a new Manager if the current Manager fails or loses
power. Used with Auto-Manager Timer option, described below.
Auto-
Manager
Timer
10 sec.
120 sec.
30 sec.
When
Auto-Manager Transfer
=
Enabled
, allows user to select the elapsed time interval between
failure of the WHM Manager and switch-over to a new WHM Manager.
Auto-
Manager
Addr
0
16
Read Only
The address of the WHM Manger.
Backup
Manager
Addr
0
16
0
The address of the WHM Backup Manger.
WHM Unit Mode = WHM Client
WHM Unit Mode = WHM Manager
Figure 8-4: Cascade Configuration Screens
