Manual

9
OPTIONAL FEATURES continued
Circulator Activation Options
When in the default mode, the HydroStat activates the circulator (C1/C2 contacts) on calls to T/TV. The control can be pro-
grammed to activate the circulator on calls to I1/I2 in place of, or in addition to, calls to T/TV.
To change how the Circulator is activated
1. Turn the LO TEMP dial to access the Program Mode – indicated in the display as
2. Turn the HI TEMP dial to select feature
3. Push the Test/Settings Button to select between the following options:
- Circulator on T/TV call only
- Circulator on I1/I2 call only
- Circulator on both T/TV & I1/I2 calls
4. Reset LO TEMP and HI TEMP settings to desired temperatures (see page 6)
Circulator Hold Off (Enhanced Condensing Protection)
To reduce the potential for condensing, on a call for heat the control will allow the boiler to heat to 125°F prior to energizing the
circulator. Once energized, the circulator will remain on for the duration of the heating call unless the boiler temperature drops
below 115°F. If this occurs, the circulator will re-energize when the boiler returns to 125°F.
To activate Circulator Hold Off
1. Turn the LO TEMP dial to access the Program Mode – indicated in the display as
2. Turn the HI TEMP dial to select feature
3. Push the Test/Settings Button to turn Circulator Hold Off or
4. Reset LO TEMP and HI TEMP settings to desired temperatures (see page 6)
Low Water Cut-Off Function
To turn off Low Water Cut-Off
1. Turn the LO TEMP dial to access the Program Mode – indicated in the display as
2. Turn the HI TEMP dial to select feature
3. Push the Test/Settings Button to turn Low Water Cut-Off or
4. Reset LO TEMP and HI TEMP settings to desired temperatures (see page 6)
RESTORING FACTORY DEFAULT SETTINGS ON NEXT PAGE
HydroStat 3200-Plus Instructions: HydroStat Instructions.8pg 11/14/13 3:34 PM Page 9