1. Switch the control on
with the main power
switch (I Position).
2. Enter the key code
(See page 8).
3. Turn the dial until “RELAYS”appears in the display.
4. Press and hold the button. Turn the dial until
the display shows “BURNER ON”. The burner starts.
Heating pumps will not run during the burner test.
Allow the burner to run until burner shuts off at the
setpoint on the aquastat dial.
5. Remove the black aquastat dial.
6. Push the green button in with screwdriver or similar
instrument to bypass the adjustable boiler aquastat.
Hold the green button until the STB or manual reset
high limit trips. This happens at approximately 230°F.
7. Run circulators to remove excess heat. Then, to reset
the STB, remove the safety nut. Press in the reset
button underneath. This will return the control back
to normal operation.
To Resume Normal Operation:
Press the AUT button.
Testing the Manual Reset High Limit (STB) 3
B U R N E R O N
Aquastat Dial
Green Button
Safety Nut
180
7
R E L A Y S
o
F
70
o
F
70
2 Mounting Instructions
6
• Electrical connections must be made according to the wiring
diagram (See pages 40-46).
• All the wires should be routed through the cable raceway at the
rear of the boiler. Rear panel jacket may be modified per local
code. Route the wires on top of the insulation to the back of the
control.
• Use the white strain reliefs provided to lock all cables into place
on the back of the control.
• Replace the top housing of the control and fasten the two screws.
The control is ready to be placed into operation.
• Tilt the display to the desired position.
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