SG Series Boilers – Installation and Service Manual
8
1.6.2 INSTALLER MODE
To enter the adjustment mode:
1. Press with Up ▲, Down ▼, and “I” keys (see Figure 1) simultaneously for three seconds.
2. Press and release the “I” key until the parameter (listed in the Table 2) requiring adjustment is
displayed.
3. Press with Up ▲ or Down ▼ key until the parameter has reached the desired value.
4. After 60 seconds without any key inputs, the control will automatically return to the RUN Mode.
Table 2 Installer Mode O
tions
3-Digit 7-Segment Display
1
st
Screen 2
nd
Screen (setting value) 3
rd
Screen
Default
Range
Description
HL_
<high limit> ˚F or ˚C 180 ˚F 130 to 220 ˚F Adjust high limit setting
HdF
<high limit differential> ˚F or ˚C 15 ˚F 10 to 30 ˚F
Adjust high limit
differential
Or_
<pump overrun time> Sec 60 sec 0 to 120 seconds Pump post-purge time
otH
<ODR maximal temp.> ˚F or ˚C 55 ˚F 40 to 70 ˚F
Maximal outdoor
temperature
otL
<ODR minimal temp.> ˚F or ˚C 0 ˚F -40 to 40 ˚F
Minimal outdoor
temperature
btL
<minimal water temp.> ˚F or ˚C 140 ˚F 130 to 150 ˚F
Minimal boiler
temperature
tPL
<minimal boiler temp.> ˚F or ˚C 140 ˚F
OFF,
120 to 160 ˚F
Thermal purging
minimal temperature
(parameter is available
only if outdoor
temperature is invalid)
tPt
<maximal delay> Min 2 1 to 10 minutes
Maximal thermal purge
time (parameter is
available only if outdoor
temperature is invalid)
rSt
On or OFF N/A N/A Reset lockout
F-C
˚F or ˚C
˚F ˚ F or ˚C
Select degrees ˚F or ˚C
mode
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