Hauck BCS 6000C - Page 35

Page 35
BCS6000C-9
 Close the manual valve in the main gas line to shut off the gas supply. The burner should
shut off, the alarm will sound, and a ‘LOW GAS PRESSURE’ message should appear.
HIGH GAS PRESSURE (Gas-fired systems only)
 Remove the cover of the high gas pressure switch, make note of the switch setting, then
lower the setting to its minimum value.
 Open the manual valve in the main gas line and attempt to restart the burner.
 As soon as the main gas valves open, the high gas pressure switch should trip. The burner
will shut off and a ‘HIGH GAS PRESSURE’ message will appear
 Return the high gas pressure switch to its original setting and replace the switch cover.
LOW OIL or LP PRESSURE (Oil or LP fired systems only)
 Move the FUEL SELECTOR switch to the OIL position. Shut off the oil or LP supply pump
and attempt to start the burner.
 The alarm should sound and a ‘LOW OIL or LP PRESSURE’ message will appear.
HIGH OIL or LP PRESSURE (Oil or LP fired systems only)
 Remove the cover of the oil or LP pressure switch. Make note of the high pressure switch
setting, then lower the setting so that it is less than the normal operating pressure.
 Start the oil or LP supply pump and attempt to start the burner.
 The high pressure switch should trip, the alarm will sound, and a ‘HIGH OIL or LP PRESSURE’
message will appear.
 Return the pressure switch to its original setting and replace the switch cover.
LOW and HIGH OIL TEMPERATURE (Heavy Oil fired systems only)
 Shut off the exhaust fan and combustion air (burner) blower.
 Set the multi-meter to read continuity and verify that continuity exist between control panel
terminals 17D and 18.
 Make note of the low oil temperature switch setpoint, then raise the setting above the
current oil temperature and verify that continuity is lost between terminals 17D and 18.
 Return the switch to its original setting and verify that continuity is re-established.
 Make note of the high oil temperature switch setpoint, then lower the setting below the
current oil temperature and verify that continuity is lost between terminals 17D and 18.
 Return the switch to its original setting and verify that continuity is re-established.
HIGH STACK TEMPERATURE LIMIT
 With all limits closed press the RESET button to initiate the system purge sequence.
 Reference Appendix E and lower the setpoint of the STACK TEMPERATURE lower the
setpoint until the limit opens and the OUT and EXCEED indicators come on.
 The alarm will sound and a ‘HIGH STACK TEMPERATURE’ message will appear.
 Acknowledge the alarm and return the STACK TEMPERATURE limit setting to its original