L.B. White Bloom 400 Manuel Du Propriétaire Et Instructions page 14

14
Bloom 400 Greenhouse Heater
Connecting the Heater to
the Electrical Supply
Connect the heater to an approved 240/60/1, 15 amp
electrical supply with a secure earth ground and proper
electrical polarity.
The heater must have a properly grounded electrical
supply, otherwise the ignition control will not be able to
prove fl ame. The heater will cycle on/off and
eventually shut-down.
Route the electrical supply wiring through the water tight
connector at the top of the heater's control box.
FIG. 4
Connecting to a Building Controller
The heater is designed to be operated in a heating
or ventilation mode by a greenhouse environment
controller. Refer to Fig. 5 for connection of the environ-
ment controller to the terminal strip within the heater's
control box.
FIG. 5
Owner's Manual • Bloom 400
ATTENTION:
When connecting to a building controller, provide a
minimum 5 second time delay when switching from
Vent to Heat to allow the pressure switch contacts to
open. Failure to provide a minimum 5 second delay will
prevent operation when in Heat mode.
Connecting to a Separate Remote Thermostat.
(Heating ONLY)
The heater may be operated by a remote thermostat
if an environment controller is not used. Refer to the
following instructions and Fig. 5.
1. Disconnect the factory installed BLACK wire at the
terminal strip within the heater's control box.
2. Connect a thermostat wire to the terminal strip at
this point.
3. Run the wire to the L1 terminal (incoming power) on
the thermostat.
4. Connect a wire to the HEATING terminal in the
thermostat and to the BLACK wire previously discon-
nected to the terminal strip in the heater's control
box. Use a wire nut, tightening securely.
5. Ensure a ground wire is fi rmly connected between
the thermostat and the heater ground.
6. Connect the heater to its electrical supply and turn
the thermostat up above room temperature. The
heater will start.