Electric Installation; Heater Commissioning; Important Notice - Cerbos BTO 5 IN/UP Bedienungs- Und Installationsanweisung

8. ELECTRIC INSTALLATION

The electric wiring scheme is attached in the manual to the water heater (Fig. 2). The heater has to be connected
via a separate supply with a front-end main switch. The heater is connected to the 230V/50Hz electric network
using a conductor with a contact plug fitted with a switch that turns off all network poles and the circuit breaker
(protector). Electric installation must comply with valid electrotechnical standards. Connection of the heater to
electric network
to enhance the protection of coupling in bathrooms and shower corners pursuant to ČSN 332000-7-701,
the appliance is provided with a grounding terminal for connecting with a yellow-green protective conductor on
minimum section 4 mm2. Access to the electric part of the heater is enabled only upon disconnecting the heater
from power supply and unscrewing the guard of the heater.
The degree of protection of electric parts of the heater is IP 24.
Respect the rules of protection against electricity injuries in accordance with ČSN 33 2000 - 4 - 41.

9. HEATER COMMISSIONING

Once connected to the water supply, the heater can be put in service.
Procedure:
a) check the power and water main installation
b) open the hot water valve on the combination faucet
c) open the cold water inlet valve to the heater.
d) as soon as the water starts running through the hot water valve, the heater is filled and the valve closes.
e) using the front-end main switch open electricity and thus the heater activates.
Before first use, or after longer periods, it is necessary to ensure flushing, irrigation and ventilation
heater before starting the heating. The first heating tank must be monitored.
10.

IMPORTANT NOTICE

•
Without a confirmation issued by an authorised company about performed electrical and
plumbing fixture the warranty certificate shall be void.
•
The hot water outlet must be equipped with a combination faucet.
•
It is not allowed to handle the thermostat in any manner whatsoever, aside from
temperature resetting with a control button.
•
All electric installation handling, adjustment and replacement of the regulation elements
shall only be performed by an authorised service company.
•
The thermal fuse must not be turned off. The non-reversible thermal fuse discontinues
electric power input to the heating element should the thermostat fail, if the water
temperature in the heater exceeds 99°C.
shall be executed following the plumbing fixture. In order