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23/03/01
ASSEMBLY INSTRUCTIONS FOR: Ca 7s / BCa 7s
B2B Instrument Control Panel Connections
B2B Electrical Connections
Supply 230V / 50Hz
*
Legend
1.
Instrument Control Panel.
3. Calorifier Circulating Pump.
9.
Boiler Shunt Pump (where applicable)
26.
Flue Gas Damper. (where applicable)
28.
Safety Solenoid Valve. (where applicable)
29.
High Limit Indication.
30.
Calorifier Control Thermostat.
DIN 4791 - Weiland Connector.
(7-way for stage 1 burner operation).
DIN 4791 - Additional Weiland Connector .
(4-way for use with Hi/Low Burners).
A.
Power Supply 230V / 50Hz
B.
Burner Connections. (Plug and Socket Looms).
C.
Calorifier Primary Circulating Pump.
K.
Boiler Circulating Pump Interlock.
W.
Flue Gas Damper Interlock.
X.
Safety Solenoid Valve Interlock.
Y.
Calorifier Thermostat Interlock.
Z. Provision for Remote High Temperature Limit
Indication.
* Provision for Remote Switching of Burner.
(terminals 8a & 8b).
