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Eclipse Bi-Flame v1.8, Instruction Manual 826, 05/03
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INTRODUCTION This section describes the function features of the Bi-Flame that can
be found on the various terminal strips and the modules of the Bi-
Flame.
Combustion Air Flow Check Terminal
The Bi-Flame checks that the combustion air flow switch is open be-
fore start-up, closed during operation and open again at burner shut-
down, thus preventing operation with an air switch that is defective,
maladjusted or jumpered.
Main Fuel Valve Proof-of-Closure Terminal
The Bi-Flame checks that the main fuel valve is closed before start-
up and after burner shutdown. This arrangement requires a closed
position switch on the main fuel valve.
Low Fire Start Terminal
The system checks for the low fire start position prior to light-off. If
voltage is not present on this terminal within 15 minutes, the Bi-Flame
goes to lockout and alarm.
High Fire Purge Check Terminal
The system checks that the air modulation motor reached the high
fire position during high fire purge. The modulation motor or air
valve must be fitted with a high fire position switch, which is then
connected to the high fire check terminal. An air flow or pressure
switch that is set to prove sufficient purge air may be used instead
of the high fire position switch. If voltage is not present on this termi-
nal within 15 minutes, the Bi-Flame goes to lockout and alarm.
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Function Summary