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15
Maintenance
Hygiene
-
+
Daily
60°C
Daily/Weekly/Monthly/
OFF
60 … 65
-
+
Reset
Temp
Temp/Counter/
Energy/Factory
-
+
-
+
RF Module
0504030201
Disable
Enable
Push knob and
hold for 5 seconds
to reset
-
+
Service
Reset
Hygiene
RF Module
Cylinder
Tariff
-
+
-
+
-
+
Cylinder
Size
125
125/135 Slim/150
180 Slim/210/250/300
-
+
Tariff
Off Peak
Timed
-
+
Tariff
Off Peak
Timed
Off Peak
Time Period
ON 23:00
OFF 07:00
-
+
RTC Calibrate
Service
Reset
Hygiene
RF Module
Cylinder
Tariff
RTC Calibrate
Service
Reset
Hygiene
RF Module
Cylinder
Tariff
RTC Calibrate
Service
Reset
Hygiene
RF Module
Cylinder
Tariff
RTC Calibrate
Service
Reset
Hygiene
RF Module
Cylinder
Tariff
RTC Calibrate
Service
Reset
Hygiene
RF Module
Cylinder
Tariff
RTC Calibrate
-
+
Calibrate RTC
Oscillator
Cal Byte: 05
No
Yes
-
+
-
+
Selected
Hygiene
Daily
60°C
Menu
Menu
Back
Back
-
+
&
&
10s
Figure 12: Service Menu for Factory Reset and Communications Set Up
8 Maintenance
After servicing, complete the relevant Service
Record section of the Benchmark Checklist
located on the inside back pages of this
document. To meet with warranty requirements
the cylinder must be serviced annually.
The maintenance of this appliance must be car-
riedoutbyasuitablyqualiedpersononly.Itis
recommended to maintain the unit on an annual
basis. Isolate all
electrical supplies from the unit before
commencing work.
1) Draw some water from cold water tap and
retain in container.
2) Isolate cold water mains supply from
cylinder.
3) Brieyopentemperatureandpressure
relief valve, assure safe discharge and
check that valve is not dripping when
closed.
4) Brieyopenexpansionreliefvalve,assure
safe discharge and check that valve is not
dripping when closed. The expansion relief
valve should be operated regularly to
remove lime deposits and to verify that it
is not blocked.
5) Open hot water tap and release remaining
pressure from unit.
6) If the system is drained completely for
an internal inspection, ensure the hot
water tap remains open, connect a hose to
the drain valve and ensure a safe
discharge.
7) Note the set pressure of the pressure
reducing valve. Remove cartridge and
clean strainer in water provided in
container. Re-assemble pressure reducing
valve ensuring the correct pressure is set.
8) Periodically the immersion heaters should
beremovedcleanedandtheunitushed
out. Check the O-ring seal for damage and
replace if necessary.
9) Check electrical wiring connections and the
condition of the cable of the immersion
heater and the thermostat.
10) The immersion heater boss can also be
used for access to view the internal
components of the cylinder.
11) Re-commission unit (see chapter 7).
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