T-M50 / T-M50 ASME Service Manual
Ver. 1.05
67
CONFIDENTIAL
12-13. Operation time for unit rotation
The T-M50 contains two combustion sections. The section that turns on first is whichever section
the
T-M50 decides is the primary section.
The priority unit and section will rotate when it reaches 100 ON/OFF cycles or after 12 hours of
operation.
NOTE: The priority unit and section is the unit that turns on first when there is a hot water demand.
When there is a black out and/or cut off for over 50 minutes, priority unit and section will switch
back to # 1 unit. (Default)
NOTE: The priority of the combustion section can be changed by pressing the “priority switch” on the computer
board of the central computer board.
NOTE: The priority of the unit and the combustion section can be changed by pressing the “priority set button” on
the computer board of the multi-unit controller (TM-MC01).
Example: Four units of T-M50 Rotation
A rotation occurs when:
ON/OFF cycles (×100 times) or Hours of operation (12 hours)
Unit
No.1
Unit
No.2
Unit
No.3
Unit
No.4
Easy link Priority
1
2
3
4
Left
combustion
Section
Right
combustion
Section
Left
combustion
Section
Right
combustion
Section
Left
combustion
Section
Right
combustion
Section
Left
combustion
Section
Right
combustion
Section
Priority section
1
2
1
2
1
2
1
2
Easy link Priority
4
1
2
3
Left
combustion
Section
Right
combustion
Section
Left
combustion
Section
Right
combustion
Section
Left
combustion
Section
Right
combustion
Section
Left
combustion
Section
Right
combustion
Section
Priority section
2
1
2
1
2
1
2
1
Easy link Priority
3
4
1
2
Left
combustion
Section
Right
combustion
Section
Left
combustion
Section
Right
combustion
Section
Left
combustion
Section
Right
combustion
Section
Left
combustion
Section
Right
combustion
Section
Priority section
1
2
1
2
1
2
1
2
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