HTP EFTC-140W - Page 44

44
LP-520 REV. 5.1.17
Figure 31 – Dip Switch Detail
DIP SWITCH GROUP
DIP SWITCH
OFF
ON
1 – 3
DO NOT MOVE
DO NOT MOVE
4
Vent Size
2”
3”
5
Gas Type
LP
NG
6
High Fire
Normal Operation
High Fire
7
Low Fire
Normal Operation
Low Fire
Table 17 – DIP Switch Group
SYSTEM CONTROL SETTINGS
MAXIMUM FLAME DETECTING VOLTAGE
2.5V
PRE-PURGE TIME (Tp)
5 seconds
SAFETY TIME (IGNITING TIME) (Ts)
3.5 seconds
IGNITING INTERVAL TIME
10 seconds
POST-PURGE TIME (Tip)
2 minutes (1
st
: 1 minute, 2
nd
: 1 minute)
OVER-HEATING 1,2,3 PROTECTION DETECTION TIME
<3 seconds
PUMP 1 POST CIRCULATING TIME (T1pv)
1 minute
PUMP 2 POST CIRCULATING TIME (T2pv)
1 minute
HIGH AND LOW WATER LEVEL DETECTION TIME
<6 seconds
HIGH AND LOW WATER LEVEL RECOVERY TIME
<6 seconds
Table 18 – System Control Settings