D2 on:
K4 on: if anti-legionella function is enabled
S1 on: if electric heating element is enabled and anti-freeze function available
S4 on: if HEATER1 heating element is enabled
DESCRIPTION
Gas temperature probe fault (circuit open or shortcircuit)
Water temperature probe fault (circuit open o shortcircuit)
Gas overtemperature
Anti-legionella function failure
Communication line malfunction
Dimensions (W x H x D)
Weight (without packing)
OPERATIONAL LIMITS
Maximum operating temperature in cooling mode
Minimum operating temperature in cooling mode
Maximum operating temperatures in heating
Minimum operating temperatures in heating
BOILER MASTER.
The communication cable between the two units must be screened and have the following characteristics:
-
2-pin plus screen
-
maximum length 15m.
-
minimum cable cross-section 0.35mm2.
UNICO BOILER MASTER
UNICO BOILER WALL
-
Pass the power and communication cables through the hole in the cover.
-
Close the cover with the nut and nut cover.
NB Line G is the communication cable screening.
WARNING: The appliance's power network must be equipped with a suitable omnipolar disconnection device compliant
with national installation regulations. It should nonetheless be checked that the electric power supply is earthed and
equipped with suitable protection against overloads and/or short-circuits (a type 10 AT delay fuse or other devices with
equivalent functions are recommended).
out maintenance on the appliances.
UNICO BOILER MASTER
mm 902x516x229
kg 40
Internal ambient temp.
DB 35°C - WB 24°C
DB 18°C
DB 27°C
-
DISPLAY MESSAGE
t1
t2
H1
LE
CA
UNICO BOILER WALL
mm 760x253x190
kg 8
Outside ambient temp.
DB 43°C - WB 32°C
DB -10°C
DB 24°C - WB 18°C
DB -15°C
UNICO BOILER
2
47