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Installation
5.3
Electrical
DANGER: Risk of electric shock!
▶ Before carrying out any work on electrical
components, isolate them from the power supply
(230 V AC) (fuse, circuit breaker) and secure against
unintentional re-connection.
▶ Information on safe isolation can be found in the
Health and Safety Executive Guidance HSG85.
▶ Using test equipment approved to GS38 confirm
that the electrical supply is disconnected.
Electrical considerations
▶ All electrical work must be carried out by a competent
and authorised person.
▶ All work must be in line with country specific and local
standard and regulations.
▶ Supply: 230V AC - 50Hz
▶ This appliance must not be connected to a three
phase supply.
▶ The wiring between the appliance and the electrical
supply must comply with the latest IET wiring
regulations that apply to wiring a fixed appliance.
▶ Type A RCDs
additional protection is required.
▶ External fuse 5 Amps to BS1362.
▶ The appliance must be earthed.
▶ The isolator must have contact separation of 3mm
minimum between poles. Any system connected to
the appliance must not have a separate electrical
supply.
▶ Pre wired mains cable supplied.
▶ When stripping the wires ensure copper strands do
not fall into the control box.
DANGER: Risk of fire from hot appliance components.
Hot appliance components can damage electrical
cables.
▶ Ensure all electrical cables are in the correct cable
guides and away from hot appliance components.
Cable routing
▶ Route cables through the cut out behind the control
box and down the back of the unit
▶ Run power cables separately from signal cables.
Interference from power cables can induce spurious
faults on signal cables, ensure that there is at least
100mm separation from each other.
▶ Ensure the cables are of sufficient length to allow the
control box to be hung in the service position.
26
must be employed where
0-30V
Fig. 30 Electrical connections
0-30V
[
] Low voltage (signal cables) connections side
230V
[
] Mains voltage (power cables) connections side
5.3.1
Pre wired mains cable
If the power cable is of insufficient length, access the connection
terminal(Section 5.3.3.)
▶ Replace with the following cable type:
2
– H05V2V2F x 0.75 mm
▶ Connect the cable so that the protective earth conductor is longer
than the other wires as per figure 34.
▶ Fit and secure cable according to section 5.3.4.
230V
6 720 808 928 (2017/06)
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