11
Instruc
tions f
or installer - 9120-15004 - MCX - 801053 - M
a
rch 2013 v1.01
7. Installation
Electrical connection
Do not switch on the electric power at this time.
WARNING! To prevent damage to the appliance, the instantaneous water heater must be purged of air before using it for the first time.
Purging
Before connecting the electrical supply, open and close the hot water tap until the water runs smoothly and no more air emerges.
NOTE!
Every time the appliance is drained (e.g. after work on the plumbing system, if there is a risk of frost or following repair work), the
heater must be purged in this way before reconnecting the power supply.
WARNING!
This appliance must be earthed.
Installation must be carried out by a qualified electrician.
The electrical installation including earthing and cross bonding should comply with current Australian regulations and any Local Authority
requirements.
IMPORTANT:
The appliance must be installed according to the specification on the rating plate and the technical specifications. Ensure that the voltage
marked on the appliance matches the power supply.
The appliance must be permanently connected to the electrical supply.
To protect the appliance, a circuit breaker must be fitted with a rating suitable for the nomi nal current of the appliance.
The cross sectional area of the connection cable must be in accordance with the power rating of the appliance and the specific require-
ments of AS/NZS 3000.
Take care to protect the wiring from damage during installation and ensure that any uninsulated wiring is not directly accessible after
installation.
The cable must be adequately secured.
WARNING! Check that the power supply is switched off prior to electrical connection!
2
3
1
L
( 220 - 240V~ ) MCX 3..6
N
PE
Circuit diagram
1. Electronic
regulator
2. Safety thermal cut-out
3. Heating
element
Fig. 4
L
