Start-up
05.06.2015
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Copyright
2013 by: WATERKOTTE GmbH. Subject to changes.
12
Start-up
During start-up of machine, anticipate the following specific risks:
Risk of total loss!
Faulty connections can cause unexpected start-up of machine / uncon-
trolled machine operation.
Mix up of connections causes motor to run in wrong direction; this could
damage the machine.
Incorrectly wired connections can destroy electrical / electronic compo-
nents.
Electrostatic processes / power failure can pose a risk for electronic com-
ponents and also result in software errors.
To avoid damage to machine or injuries during start-up of machine, the fol-
lowing points must be observed:
Start-up of machine shall only be performed by qualified persons, in com-
pliance with safety instructions.
Activate all safety devices and emergency-stop switches prior to start-up.
Check motor for correct direction of rotation prior to start-up.
Also read chapter 0.
12.1
Pre-startup checks
Before starting machine, check first the requirements according to the
following checklist.
All electrical feed lines in the corresponding cross-sections are wired to
the terminals, as per connection plan.
Switch is in „0“ position.
The fuses in the fuse box are in compliance with the specifications in
the connection plan (LS switch, type C for compressor feed line!).
The hydraulic connections for heat source, space heating and
domestic hot water are connected.
The hydraulic systems are filled with operating media and properly
vented.
Shut-off devices are open.
The following positions must also be checked.
Outdoor unit is not defective. LED1 and LED2 on switchboard of out-
door unit flash when outdoor unit is defective.
The gas stop valve as well as the liquid stop valve are fully open.
The DIP control board on the switchboard of the outdoor unit is pro-
tected by a guard. Remove guard to facilitate operation of DIP switch-
es.
Before operation, check if all plates, fuses and other protective devices
are properly installed. Components that are rotating, hot or under high
voltage can cause injuries.
