Worcester Comfort+ II RF User Manual

Maintenance
19
Comfort+ II RF – 6720892636 (2019/04)
Table 18
Table 19
Table 20
Table 21
9 Maintenance
The control unit and Key require no maintenance other than
changing the batteries in the control unit.
The casing can be cleaned with a dry cloth. Do not use cleaning
agents or solutions.
9.1 Replace batteries of control unit
As soon as the symbol for weak batteries is displayed in normal
operation, the batteries must be replaced within the next
60 days, otherwise the programmed settings are lost.
▶ Replace the batteries with new ones of the same type: LR6/
AA 1.5 V Alkaline.
Fig. 16 Low batteries display
Access to the batteries
To release the control unit from the wall socket:
1. Insert a flat-head screwdriver into the recess on the
underside of the control unit.
2. Gently turn the screwdriver, until the locking device is
open.
3. Release the control unit from the wall socket.
Replace batteries
▶ Replace used batteries with new ones of the same
type (AA).
▶ Ensure that the + pole of the battery is inserted in the
+ pole of the battery compartment.
▶ Fit the control unit into the wall socket: first insert into the
lugs [1] at the top and then latch the underside into place.
CAUTION:
Danger of injury through explosion of batteries!
Usage of incorrect types of batteries may cause them to explode.
▶ Replacement of used batteries only through batteries of
same type.
▶ Dispose of used batteries in according to environmental
instructions.
Fig. 17 Replace batteries
1070 - [maintenance due on ...]
Description Action
Maintenance is next due on
<dd.mm.yyyy>. Please call
your installer, tel. <tel nr>
The hardware maintenance is
due in the next 30 days.
Notify the installer
1071 - [maintenance now due]
Description Action
Maintenance is now due.
Please call your installer, tel.
<tel nr>
The hardware maintenance is
due. Notify the installer
1072 - [maintenance overdue]
Description Action
Maintenance is overdue.
Please call your installer, tel.
<tel nr>
The hardware maintenance is
overdue by 14 days. Notify
the installer
309x; x=number of heating circuit - [control unit
temperature sensor faulty]
Description Action
Control unit temperature
sensor outside the
permissible range.
Replace control unit.
0010009674-002
1
pmam
6720810965-10.1Wo
+
+
1

Worcester Comfort+ II RF Specifications

General

Display	LCD
Temperature control range	5°C to 30°C
Power supply	2 x AA batteries
Mounting	Wall-mounted
Control Type	Programmable
Compatibility	Worcester Bosch boilers
Type	Wireless Programmable Thermostat
Communication	Radio Frequency (RF)
Features	Frost protection, Holiday mode
Range	Up to 30 meters