HydroStat User Guide

13
OPTIONAL FEATURES continued
NOTE: If the HydroStat is factory-equipped on a boiler, some options may be set differently from the default settings.
SEE PAGE 4 FOR ADDITIONAL SETTINGS
Dial
Setting
Feature Options Description
Default
Setting
1
Thermal Pre-Purge
OFF
on
Purge Inactive
Purge Active
OFF
2
Fahrenheit or Celsius
F
c
Degrees Fahrenheit
Degrees Celsius
F
3
LWCO Manual or
Automatic Reset
A
b
Automatic Reset
Manual Reset
A
4
Zone 2 Circulator
(Primary/Secondary
Operation)
d
h
p
Domestic Hot Water Circulator
Heating Circulator
Primary/Secondary Circulator
*See below
5
Circulator Hold Off
on
OFF
Circulator Hold Off – Active
Circulator Hold Off – Inactive
on
6
Not available
on this control
7
Low Limit Dial
on
OFF
Low Limit Dial – Functional
Low Limit Dial – Disabled
OFF
8
Well Type
A
b
Hydrolevel Electro-Well
Standard Immersion Well
A
9
High Limit
Differential
10
20
30
10° Differential
20° Differential
30° Differential
10
dEF
Restore Factory
Defaults
Y
n
Restore Defaults
Do Not Restore Defaults
n
*For boilers equipped with primary/secondary circulators, the default
setting for Option 4 is
P for primary/secondary.
*For all other boilers, the default setting is d for domestic hot water.
Restore Factory Default Settings
To restore all features to the factory default settings (see chart on page 13 for default settings)
1. Turn the LO TEMP dial to access the Program Mode – indicated in the display as
Pro
2. Turn the HI TEMP dial to select feature dEf
3. Push the Test/Settings Button to
Y to reset all features to the default settings.
4. Reset LO TEMP and HI TEMP settings to desired temperatures (see page 4)
4