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RWB2 Programmer User Instructions
Introduction
The RWB2 is an advanced daily programmer
combining the benefits of electronic reliability and
ease of use with mechanical dial operation.
Please take a little time to read these operating
instructions carefully.
For installation see enclosed instructions.
Features
- Up to 2 ON/OFF periods per day.
- ADVANCE feature to bring forward the next ON or
OFF period as required.
- BOOST feature to give an immediate 1 hour ON
period at any time.
- Remembers last condition (i.e. ON or OFF) in the
event of power failure.
- Suitable for either gravity hot water and pumped
heating or fully pumped systems.
Factory Settings
Before leaving the factory your RWB2 was
programmed to switch your system ON and OFF at
the following times:
ON at 6.00 a.m.
OFF at 8.30 a.m.
ON at 4.30 p.m.
OFF at 10.30 p.m.
To activate this base programme: ROTATE CLOCK
DIAL CLOCKWISE THROUGH A FULL 24 HOUR
PERIOD, AND THEN SET DIAL TO CORRECT TIME.
(See Adjusting the Clock (Dial Time)
Operating Controls
All controls for daily use are located on and to the
right hand side of the dial.
Setting the Switching Programme
The top selector HEATING and the bottom selector
HOT WATER allows you to select the daily pattern you
require. To make your selection slide the relevant
selector so that the vertical mark is pointing to the
desired position as below.
OFF - Continuously OFF
TWICE - The unit will switch ON and OFF according
to the morning and evening settings.
EXAMPLE:
6.00
8.30
ON
OFF
1ST
1ST
ON
OFF
TAPPET No.
1
2
COLOUR
ORANGE
BLUE
ON
OFF
ALL DAY - The unit will switch ON at the morning ON
and OFF at the evening OFF .
EXAMPLE:
6.00
8.30
ON
OFF
1ST
TAPPET No.
1
COLOUR
ORANGE
CONSTANT - Continuously ON
When the unit is in an 'ON' mode as above the LED
lights for each circuit will be on.
INSTALLATION AND USER INSTRUCTIONS - RWB2
4.30 10.30
2ND
2ND
ON
OFF
3
4
ORANGE
BLUE
ON
OFF
4.30 10.30
2ND
4
BLUE
Using Override (Advance)
To advance the programme, that is to bring forward
the next ON or OFF period as shown in the example
below, press the override button for the relevant
circuit (i.e. HEATING OR HOT WATER. If both circuits
are to be advanced each circuit should be treated as
a separate function.
NB: If the RWB2 has been set for a 10 position, i.e.
gravity hot water, pressing the override will also
bring on the hot water circuit.
EXAMPLE: WITHOUT (OVERRIDE) ADVANCE
6.00
ON
OFF
1ST
ON
TAPPET No.
1
COLOUR
ORANGE
ON
EXAMPLE: WITH (OVERRIDE) ADVANCE AT 5.35 AM
5.35
6.00
ON
OFF
ADVANCE
TAPPET No.
COLOUR
Using Boost
Pressing this button once brings the unit ON for 1
hour. To activate BOOST push the BOOST button
adjacent to the HOT WATER or CENTRAL HEATING
selector. If both circuits are to be boosted each circuit
should be treated as a separate action.
(However if the unit has been set for a 10 position,
i.e. gravity hot water, pressing the heating boost
button will also bring on the hot water circuit). To
cancel boost press the relevant override button.
NB: This feature operates in OFF , ONCE and TWICE
modes only.
EXAMPLE: BOOST PRESSED AT 12.00
6.00
8.30
ON
OFF
1ST
1ST
ON
OFF
TAPPET No.
1
2
COLOUR
ORANGE
BLUE
ON
OFF
EXAMPLE: BOOST PRESSED AT 8.00
6.00
8.30
ON
OFF
1ST
ON
8.00
BOOST
TAPPET No.
1
1 HR
COLOUR
ORANGE
ON
Adjusting the Clock (Dial Time)
To set the clock to the correct time of day rotate the
dial clockwise as shown by the arrow so that the
correct time is adjacent to the raised line with time
written against it. Please note the dial is a 24 hour dial
with times shown numerically at two hour intervals
and bars for hours between.
NB: Do not rotate the dial anti-clockwise as this
could cause damage to the mechanism.
8.30
1ST
OFF
2
BLUE
OFF
8.30
1ST
OFF
2
BLUE
OFF
12.00
1.00
4.30 10.30
2ND
2ND
BOOST
ON
OFF
BOOST
3
4
1 HOUR
ORANGE
BLUE
ON OFF
ON
OFF
9.30
4.30 10.30
1ST
2ND
2ND
OFF
ON
OFF
OFF
3
4
ORANGE
BLUE
ON
OFF
PAGE 3
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