141
1111 M
MAANNU
UTTEENNZZIIO
ONNEE
NNO
OTTEE
Refer to the local regulations. Companies and technicians
performing installation, maintenance/repair, leak control and
recovery operations must be CERTIFIED as set out by the
local regulations.
√
intervention frequency (months) 11
66 1122
□
Panel fixing
X
□
External unit fan fixing
X
□
External unit coil cleaning
X
□
Charged pressure of water system
X
□
Docking joints, caps and shafts
X
□
Leak visual check on solar panel fittings
X
□
Air in the pipes
X
□
Flow switch / differential pressure switch function
X
□
Drain dirt separator
X
X
X
□
Anode check
X
□
Capacity contactor status
X
□
Terminal closing, cable insulation integrity
X
□
Voltage and phase unbalancing (no load and on-load)
X
□
Absorptions of the single electrical loads
X
□
Compressor carter resi stance test
X
□
Leak control *
X
□
Measure of operating parameters of the refrigerant circuit
X
□
Check drier filter
X
□
Presence of oil stains
X
□
Closure of pipe unions, Scrader caps
X
□
Protective device / integrity test : safety valves, pressure switches, thermostats, flow
switches etc
X
□
Check schedulers, setpoints, compensations, etc...
X
□
Control device/integrity test: alarm signalling, thermometers, probes, pressure gauges etc
X
□
Fill in the unit booklet
CChheecckklliisstt ffoorr rreeccoom
mm
meennddeedd rreegguullaarr cchheecckkss
Checks effected on
…………………...………….......
by
……………………………………….
of the company
……………………………………..
1111 M
MAANNU
UTTEENNZZIIO
ONNEE
U
Unniitt bbooookklleett
It
’
s advisable to create a unit booklet to take notes of the unit
interventions.
In this way, it will be easier to adequately schedule the various
interventions and facilitate any troubleshooting.
On the schedule note:
•
date
•
intervention description
•
carried out measures etc.
SSttaannddbbyy m
mooddee
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
maintenace
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