TR
OUBLE
SHOO
TING
TR
OUBLE
SHOO
TING
On-Demand Water Heater Service Handbook for 240, 340 & 540 Condensing Models • 25
DIP SWITCH SETTINGS (CONTINUED)
Table 7: 540 (T-H3) model
Lower bank of DIP switches (Figure 11)
NOTE: Dark squares represents DIP switches
Lower bank of
DIP switches
: 540 (T-H3) Model
Computer Board
Figure 11
No.
Functions
ON
position
OFF
position
1
Parent/Child se
tting
for Easy-Link Systems
Parent
Child
(Default)
2
3
4
FM+, FM- and Input-
(Fan motor
speed
is
inc
r
eased
automa
ti
cally.)
5
Output temperature se
ttings
(Default 120 °F)
140 °F (60
°C)
120 °F (49
°C)
(Default)
6
Easy-Link c
onnections
with previous models
Enable
Disable
(Default)
DEFAULT
No.2: OFF
NO.3: OFF
No.4: OFF
OFF
ON 1 2 3 4 5 6
For correct settings, see pages 28 and 29.
