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Unscrew the power plate through the upper external
part of the air curtain to remove the plate and unplug the
internal cable (Just for electrical heating version) before
removing and then make the necessary reparation.
Heat exchanger replacement:
Before opening the service door, advise people that there is work in progress, stop the air curtain through the
controller and disconnect main supply. Make sure that the unit is without tension and the fans are stationary.
Before removing the screws that are fixed to the batteries, we must:
Water coil replacement:
Close the shut-off water valves of the building water circuit to the air curtain (supply and return). Open the
service door and drain the water from the coil simply removing the draining screw placed in the bottom of the
entrance manifold.
Electric heater replacement:
With power supply disconnected, unplug the heater connectors from the plate
and junction box, remove the fixation screws, disassemble the heater and assemble the new heater following
the same process in reverse order.
Unplug cables 2, 3, 4 in the junction box
Unplug the two connectors of plate pressing the fluke.