Relay Test
5
19
Relay Test
You can use the relay test to test the switch relays in
the control panel. The following relays can be tested.
• Burner
• Domestic hot water circulator
• Heating circulator
To test the relays:
1. Enter the key code.
2. Press the “INS” button repeatedly until “RELAY” appears in
the display. The actual system status is shown in the
display.
3. Turn the knob. The flame symbol for the burner appears
first. The burner will come on at this point.
4. Turn the knob further. The symbols for the domestic hot
water circulator and heating circulator will appear and
start up the respective circulators.
The test has no time limit. To stop the test, press the
“INS” or “AUT” button.
R E L A Y
R E L A Y
R E L A Y
18
OFFSET
0.0
˚F
OFFSET
The “OFFSET” can be used when the actual room
temperature differs from the room temperature setting.
The “OFFSET” will raise or lower the room temperature
the amount of degrees set. The “OFFSET” performs a
parallel vertical shift to the heating curve. A 1°adjustment
for the “OFFSET” will result in a 3° adjustment in boiler
water temperature.
Heating cur ve adjustments:
If the room temperature is too low/high for all outside
temperatures, increase/decrease the “OFFSET”.
If the room temperature is too low
only
during moderate outside
temperatures, increase the “OFFSET” and decrease the “REF
TEMP” slightly. Make only small adjustments and allow ample
time for the system to respond.
To change the “OFFSET”:
1. Enter the key code.
2. Press the “INS
”
button repeatedly until “OFFSET”
appears in the display.
3. Turn the knob until the desired offset appears in
the display.
Automatic operation is resumed after 20 seconds.
Example:
Desired room temperature: 65˚ F
Actual room temperature: 63˚ F
The “OFFSET” should be 2.0˚ F
4 Installation Entries
