Royal CPR 28T Installation, User And Maintenance Manual page 42

6 INSTALLATION
It is recommended to connect to the system a storage with capacity of 15-20 liters per kW of power.
Make sure that the boiler output power is correctly dimensioned with the heating system.
2012, and that the sampling points of the measurements are self-locking.
6.1 LEVELLING THE BOILER
6.2 SYSTEM CONNECTIONS
6.2.1 Electrical connection
The boiler is connected to the electrical system simply using the plug supplied.
The electrical connection (plug) must be easily accessible when the boiler is installed.
any kind of risk.
6.2.1.1 Earth
6.2.2 Connection to an external timer thermostat
The boiler can be connected to an external timer thermostat that switches the boiler on or off according to the
set temperature.
When the set temperature is reached the thermostat opens the circuit and consequently switches off the boiler.
is in "call" status. This operation is also required in the event of power failures or if the boiler is switched off
manually.
To avoid overlapping the working time bands, it's recommend to disable (set to OFF) the boiler's timer.
6.2.3 Operation with room probe
In certain circumstances the boiler may need to modulate operation based on the temperature read by the room
6.2.4 Connection to a storage tank with coil
storage tank.
6.2.5 Connection to a storage tank without coil
The boiler can be used to maintain the temperature
inside a storage tank without coil.
In this case simply disconnect the external temperature
the storage tank.
instructions shown in paragraph 6.3.
6.2.6 Flue Gas
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INSTALLATION
1
4 following the