DIGITAL TEMPERATURE CONTROL
Continued:
Setting Set Point 2 (SP2) – Furnace Operating Temperature: (See Fig. 2)
Operation:
Note: The temperature controller has a fixed operating range that is factory set from 160 to 170˚.
It will not allow a setting outside this range.
The recommended setting is 165˚.
The controller displays
the low temperature setting has a preset differential of 15˚ which is an added value to the selected oper-
ating temperature. This added value is the high limit of the temperature range.
Example1: Temperature Selected = 165 (Opening of Draft Damper – Fire Start)
Plus Differential 15
High Limit will be: 180 (Closing of Draft Damper – Fire Out)
Example 2: Temperature Selected = 160 (Opening of Draft Damper – Fire Start)
Plus Differential 15
High Limit will be: 175 (Closing of Draft Damper – Fire Out)
It must be kept in mind that if the temperature setting is raised or lowered, the high limit tem-
perature setting will follow by 15˚ accordingly.
Setting the Temperature:
1. With the display screen showing the operating temperature, press and release the
SET (2)
button
twice. A value between 160 and 170 will appear on the display; this is the current operating range of the
furnace. (If the temperature has not been changed from the factory value, the display should indicate
165
).
2. Press the
DOWN (3
) or
UP (4)
buttons to select the desired new temperature setting.
3. Press the
SET (2)
button to confirm the new setting. The
OUTPUT 2 Indicator Light (6)
will blink.
The new value is now set.
Continued on next page…