ermaf RGA 100 ACU Manual Del Usuario página 33

Connection diagram
▷ The burner control unit is fitted with coded con-
nectors to prevent them being mixed up.
RGA100_NF.indd 5
Connecting the room thermostat
CAUTION
To avoid damage to the heater RGA 100, please
Potentiom-
observe the following:
eter
– Provide post-cooling for the RGA 100. The
(switch-on
RGA 100 requires a continuous supply of
delay)
230 V AC (1/N AC), 50 Hz.
– In case of a power failure, an emergency power
Burner Chip
supply unit should automatically take over the
Card (BCC)
power supply. Emergency power supply units
with a cardan shaft drive for tractor attachment
are also suitable.
▷ Use a room thermostat with a hysteresis of ± 1°C.
It switches on if the room temperature is 1°C
less than the set temperature and switches off
eBus
again once the room temperature is 1°C more
than the set temperature.
▷ The floating connectors X4 (230 V) or X8 (24 V)
are used to connect the room thermostat.
▷ If the room thermostat is connected to the mains
0 – 10 V
0 – 20 mA
supply of other connectors (connector X1 or X3),
the heater RGA 100 will be damaged.
Connecting a single heater to a room
thermostat
10 – 24 V
5 Connect a room thermostat for 230 V AC.
Thermostat
▷ Method 1: power supply via the heater.
Controlled
air flow
MFA 2
MFA 1
▷ Method 2: power supply via the environmental
control computer.
Remote
reset
230 V
Thermostat
Controlled
air flow
Mains con-
5 Connect a room thermostat for 24 V DC/AC to
nection
connector X8.
Mains filter
▷ The 24 V power supply must always be from an
external source.
Mains filter
Mains con-
nection
GB-5
230 V AC
L
N
L N N LT LV
X2
X1 Gas X4
230 V AC
L N
N LT LV
X2
X1 Gas X4
230 V AC
L N N LT LV
X1 Gas X2 X4
230 V AC
10-24 V AC/DC
L
N
L N
N LT LV
+V – +T
X2
X1 Gas X4
X8
230 V AC
L N N LT LV
X2
X1 Gas X4
230 V AC
L N N LT LV
X2
X1 Gas X4
mV
13.09.20 23:10