53
WSAN-YES 18.2-35.2
M0ST10N19-00
Unit booklet
It’s advisable to create a unit booklet to take notes
of the unit interventions.
In this way it will be easier to adequately note the
various interventions and aid any troubleshooting
Report on the booklet:
date
intervention description
carried out measures etc.
Standby mode
if a long period of inactivity is foreseen:
turn off the power
avoid the risk of frost (empty the system or add
glycol)
Turn off the power to avoid electrical risks or
damages by lightning strikes.
With lower temperatures keep heaters turned on in
of the electrical panel (option).
It’s recommended that the re-start after the
stopping period is performed by a qualified
technician, especially after seasonal stops or
seasonal switching.
When restarting, refer to what is indicated in the
“start-up” section.
Schedule technical assistance in advance to avoid
hitches and to guarantee that the system can be
used when required.
Compressor casing heater
Check:
closure
Operation
10 MAINTENANCE
System drain
empty the system
empty the exchanger, use all of the shut-off
valves and grub screws present
blow the exchanger with compressed air
dry the exchanger with hot air; for greater
safety, fill the exchanger with glycol solution
protect the exchanger from the air
take the drain caps off the pumps
Any anti-freeze liquid contained in the system
should not be discharged freely as it is a pollutant.
It must be collected and reused.
Before start-up, wash the system.
It is recommended to have a qualified technician
start the system after a period of inactivity,
especially after seasonal stops or for seasonal
switch-over.
When starting, follow the instructions in the “start-
up” section.
Schedule technical assistance in advance to avoid
hitches and to guarantee that the system can be
used when required.