T-H2-DV/T-H2-OS Service Manual
Ver. 1.01
67
CONFIDENTIAL
The function of the left bank of dipswitches
No.
Functions
ON position
OFF position
1
Gas type
Propane
Disable
2
Natural gas
Disable
3
N/A
N/A
N/A
(Default)
4
Allow adjustments of fan motor speed
(Changing the FM speed is similar to changing the manifold
pressure. See section 12-18)
Enable
Disable
(Default)
5
6
FM+, FM++ and FM+++
(FM speed is increased automatically. See section 12-12))
Fan motor for combustion
No. 5
OFF position
ON position
No. 6
OFF position
0 %
+6 %
ON position
+12 %
+18 %
Fan motor for exhaust (T-H2-DV only)
No. 5
OFF position
ON position
No. 6
OFF position
0 %
+3.6 %
ON position
+7.3 %
+11.4 %
7
INPUT- (Maximum gas input is reduced automatically.
See section 12-12)
-10%
Maximum input
Disable
(Default)
8
Allow access to operation history
(This switch is for a specialized purposes only, and therefore,
should not be used)
EEPROM
data
transfer
Disable
(Default)
9
N/A
N/A
N/A
(Default)
10
Model type
(Default)
T-H2-DV
(Default)
T-H2-OS