Technical instructions
for Installation
16
DESHU - October 2015
G.
Commissioning
• Please remember:
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For the guarantee to be valid, equipment commissioning must be performed by a technician authorised
by ETT.
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To request commissioning, fi ll in the commissioning request form (available on the www.ett.fr website in
the ETT Services section) and send it to ETT Services ([email protected]).
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The prerequisites listed below must be met. Any additional intervention resulting from failure to observe
the prerequisites will be charged.
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The installer (or a representative) must be present throughout the commissioning intervention. Otherwise,
ETT will note be able to validate peripheral equipment commissioning (fl ow rate adjustment, control
settings, power switch connection, etc.) and will therefore have to express reserves.
• Prerequisites for commissioning:
1.
A prevention and safety plan has been implemented and ETT personnel can safely access the unit
throughout the intervention.
2.
Crankcase heaters have been activated 12 hours before commissioning.
3.
Hydraulic connections have been made, pressure tests and purges have been performed.
4.
Water fi lters have been installed (for units on water loop).
5.
Gas connections and pressure tests will be realised.
6.
Fresh and exhaust air cowls and sealing gaskets have been installed according to our recommendations.
7.
Air fi lters have been installed on all units.
8.
Air duct connections have been made and all valves are set.
9.
Probes, bus and displays have been connected according to our wiring diagrams and recommendations.
10.
An additional bus has been installed on each unit according to our wiring diagrams for computer
connection to the controller [if the unit is controlled by ACTION FROID].
11.
Ethernet connecting cables for remote supervision have been installed on each unit according to our
wiring diagrams.
12.
A telephone line has been connected.
