16
LT 90 Owners Manual
2015
Changing the Set Point
1. Press and hold the set button for 3 seconds or until the fan symbol is
flashing. The number that appears is the Set Point. (Fig. 1)
2. Use the up or down arrow buttons to adjust the setting.
3. Press the set button to lock in the settings.
Changing the Hy
1. Press and hold the arrow down and set buttons until the display
reads Hy. (Fig. 2)
3. Press set button, the number displayed is the differential. (Fig. 3)
2. Release the arrow down and set buttons.
4. Press the arrow up or down button to adjust.
5. Press the set button. (Fig. 6)
6. The display will read ALL for approximately 30 seconds, it will
then return to the water temperature reading.
Changing the All
1. When the E.T.C. reads ALL from the previous step press the set button.
The number that appears is the Low Alarm temperature.
2. To adjust the number press the up or down arrow.
3. Press the Set button to lock in the setting.
Definitions
Set Point-
The temperature at which the fan will shut down.
Hy aka Differential-
The amount, in degrees, the temperature has to
drop in order to start the fan.
ALL aka Low Alarm-
The temperature at which the furnace will shut down.
Do not set your (SP) lower than your (ALL)!
CAUTION!!
(Fig. 1)
(Fig. 2)
(Fig. 3)
(Fig. 4)
(Fig. 5)
(Fig. 6)
WoodMaster Digital Aqua Stat Settings
WoodMaster Digital Aqua Stat
Minimum and Maximum Settings
Set Point (SP)
170° F
Differential (Hy)
10° F
Low Alarm (ALL)
120° F
Set Point (SP)
100° F to 180° F
Differential (Hy)
1° F to 45° F
Low Alarm (ALL)
-67° F to 302° F
Factory Settings
E.T.C. Guide
Reference
