Enerco 4000ID - Manuel (Page 5)

5 operating Instructions and owner’s manual eNeRCo GRoUP, INC. |Indirect Fired Portable Heater
MAINTENANCE
wARNINg
THe FolloWING oPeRATIoNs mUsT Be CARRIeD
oUT BY QUAlIFIeD PeRsoNNel oNlY. BeFoRe
CARRYING oUT ANY mAINTeNANCe oPeRATIoN THe
HeATeR mUsT Be DIsCoNNeCTeD FRom THe mAINs.
THeReFoRe:
• Stop the machine as instructed above
• Turn off the disconnecting switch on the electric
switchboard.
• Wait until the heater has cooled.
Cleaning the Heat Exchanger
and the Combustion Chamber
For the heater to operate efficiently the heat exchanger and
combustion chamber must be cleaned after a period of prolonged
use and more frequently if too much soot builds up. soot builds
up when there is not enough chimney draft, when the fuel is
of very poor quality, when the burner is regulated incorrectly or
when the heater is switched on and off too frequently. If the
heater starts vibrating when it is turned on there is probably too
much soot. To get at the heat exchanger (1) take off the front
panel (3) and then remove the smoke box panel (2) and remove
baffle plates (7). To get at the combustion chamber (4) remove
the burner (5).
Cleaning the Fan
Remove any dirt or extraneous material from the mesh of the
aspiration grill (6) and if necessary clean the propeller with an
air-suction tool.
Fig. 3
Cleaning the Burner
For the heater to work efficiently the burner must be serviced
regularly by an Authorized service Technician. All cleaning,
servicing and regulation operations must be carried out as
indicated in the Burner Instruction manual.
wARNINg
AFTeR eVeRY TYPe oF TeCHNICAl mAINTeNANCe,
PleAse VeRIFY THAT THe mACHINe sTARTING
ReGUlARlY.
Ventilation
The space heater provides heat by releasing and dispersing hot
air. An air head is supplied with each unit but it can be replaced
by other types of head with two or four openings which allow
for flexible tubes in heat distribution. The screws which hold the
original outlet in place should be removed and the new outlet
should be screwed on in place of the old.
The new head may be connected to new air ducts if the user
wishes to satisfy specific needs. In this case and in particular if
the diameter and length of the ducts have been changed or if
the number of bends has been modified, air output may vary.
Consequently it is very important to check and regulate air output
when any modification is made to air heads or air ducts. In all
circumstances you must ensure that:
• The fan motor does not absorb more current than the
maximum permitted limit;
• The volume of air flow corresponds to the recommended
level. If the heater is equipped with centrifugal fan and if
the volume of hot air differs from preset values proceed as
follows (Fig. 1):
Fig. 1
1) Remove the aspiration grill which is on fan motor side of the
unit.
2) Remove the screws (2) from the motor slide.
3) Remove the belt (1).
4) loosen the bolts (3).
5) Turn the pulley clockwise and anti-clockwise in order to
increase or reduce the volume of air.
6) Tighten the bolts (3).
7) Put back the aspirations grill
8) Repeat operations from (1) to (7) until the correct volume of
air flow has been achieved.
Draft
The evacuation smoke flues shall be made with steel. Efficient
combustion and trouble-free working of the burner depend on
efficient flue draft. The unit must be connected to the chimney
flue in accordance with current legal regulations and in line with
the following guidelines:
• The tube which carries the smoke should cover as short a
distance as possible and should slant upwards.
• There should be no sharp bends in the tubes and the
diameter of the tubes must never be reduced.
• Every heater must have its own chimney.
• Flue draft must at least correspond to the minimum
compulsory level in the Technical specifications.
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