General - L.B. White Bloom 400 Manuel Du Propriétaire Et Instructions

General

1. Close the heater's fuel supply valve and disconnect
its electrical supply before servicing.
2. Disconnect the appropriate electrical leads for the
electrical component being replaced.
3. Remove the heater's control box cover for access to
the ignition control, pressure switch, relay, selector
switch and circuit breaker.
4. The differential air pressure switch, located in the
control box, must not be bypassed prior to motor
start-up. If bypassed prior to the motor starting, the
ignition control will not allow heater operation.
5. Disconnect the heater's gas supply line if replacing
the heater's low pressure regulator or gas solenoid
valve.
6. For reassembly, reverse the respective service
procedure.
7. Clean the burner orifi ce holes with compressed air.
Do not use drills, broaches, etc. to clean the orifi ce's
holes. Doing so may enlarge the holes causing
combustion or ignition problems.
Bloom 400 Greenhouse Heater
Owner's Manual • Bloom 400
17