T-M50 / T-M50 ASME Service Manual
Ver. 1.05
58
CONFIDENTIAL
12-7. Dipswitch settings of the central computer board
There are two banks of dipswitches (upper and lower) on the central computer board.
The dipswitch functions are shown on the following table. Carefully verify the functions of each
dipswitch before changing any settings.
Changing dipswitches from the factory default settings may damage the T-M50 and the
system. Changing dipswitches Therefore, doing that is not recommended unless there is a
very strong reason to do so.
The functions of the upper dipswitch bank
No.
Functions
ON position
OFF position
1
Gas type
Propane
Natural gas
2, 3 N/A
N/A
N/A
4
5
Pump mode
6
Activation of the Freeze protection pump for
recirculation systems
Enable
Disable (Default)
7
The number of priority combustion unit in a T-M50 Two priority units One priority unit
Upper bank of dipswitches
CAUTION
Lower bank of dipswitches
Central computer board