Circuit Diagram - ATI BB 12 Serie Manual De Instalación Y Empleo

MODELS BB.100..
fig. 9-06
We advise that hot water pipes are insulated to avoid
useless waste of energy.
FITTING THE PRESSURE RELIEF AND NON RETURN
VALVE: a pressure relief and non return valve is supplied
with the heater. The valve is included in the box separate
from the heater. The valve must be fitted to the cold water
inlet while installing the heater. It is necessary to remove
the protection cap of the heater element to install the valve.
fig. 9-07
WARNING: Do not replace the pressure
relief and non-return valve supplied with
the appliance with a non-return valve
(clapet).

CIRCUIT DIAGRAM

1. water tank 5. ON / OFF switch
2. pump 6. thermostat
3. expansion tank 7. electrical heater
4. safety fuse element
8. heat exchanger
1. cold water inlet
(1/2")
2. hot water outlet
(1/2")
3. Engine cooling
water in (1/2")
4. Engine cooling
water out (1/2")
fig. 9-08
fig. 9-09
9. cock
10. pressure relief
and non-return
valve
11. cold water
12. hot water
ENGLISH
10 WIRING
The appliance has to be connected to a 220/240 V,
monophase electrical supply net and to a very good
earthing (to this purpose use the earthing fixing lug, which
the appliance is equipped with).
THE MANUFACTURER ACCEPTS NO
RESPONSIBILITY
DAMAGE OR INJURY CAUSED BY THE
NON EARTHING OF THE HEATER.
Foresee a double pole switch near the appliance to permit
isolation of the water heater.
Connect the electrical supply cable in accordance with the
wiring standards in force in the country where the
appliance is installed. In case of replacement of the
electrical supply cable, use only a cable with the same
features.
fig. 10-2
WARNING: remove the thermostat by means of a
screwdriver as shown in the left picture.
Do not extract it pulling from the head of the thermostat
because it could be damaged.
WARNING:
thermostat, be sure that the electrical
supply is completely cut off.
11 - ENGLISH
edizione APRILE 2008
Mains
connection:
F.....live
N ....neutral
fig. 10-1
FOR POSSIBLE
fig. 10-3
Before working on the