5. Maintenance, hygiene and servicing
5.1 Operating readings via the HMI panel
HMI panel
Refer to the “EXact2 Control System Basic Instructions for VE100/100CF” for in-
structions on accessing Menu 2 "Operation displays" via the technician menu (ac-
cess code 1111) to check the unit’s operating status.
5.2 Maintenance
5.2.1 Overview of maintenance intervals
The following chart details the recommended maintenance intervals for the VEX. The
intervals are a guide and based on normal operation. EXHAUSTO recommends
maintenance is adjusted to match the actual operating requirements.
Component
Procedure
Twice a
year
Once a
year
Filters*
Change filters when HMI displays filter alarm
Recommended that both filters are replaced at the
same time.
NB:
The control system can issue a warning when
the filter is becoming soiled.
Filters should be replaced at least:
X
Filter monitor
Check that all the seals in the filter monitor are tight.
X
Seals and sealing strips
Check that all the seals are tight.
X
Fan
● Check that the fan impeller is securely fixed to
the shaft. Removal of fan unit. See section "In-
ternal transport with reduced weight"
● Cleaning. See section "Servicing and cleaning"
X
Counterflow heat exchang-
er
Clean the heat exchanger. See section "Cleaning of
counterflow heat exchanger"
X
Bypass damper
Check damper function
X
Heating coil
Clean the heating coil. See section "Cleaning of
heating coil"
X
Safety functions check
● Fire thermostat check
● Temperature sensors on heating pipes
X
Closing damper
Check damper function
X
Condensation outlet
Check that the outlet functions by pouring water in
the condensation tray
X
Motor valve/circulation
pump
Check function
X
*Filters
Only use original filters
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Summary of Contents for VEX100CF Series
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