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TW2
9
English
The TW 2 remote control has the following con-
trol elements (Fig. ):
e Operational mode switch
f Adjustment knob
g Brief operating instructions:
In the compartment on the right side of
the base, a small instruction manual
can be found. It contains all essentials
for operation in brief form.
h Switch (Fig. )
5.1 Operating Mode Switch (e)
With this switch, selection can be made be-
tween the following four different operating
modes:
Frost Protection Operation:
At outside temperatures above + 4 °C,
the central heating appliance is
switched off (burner and pump).
If a mixer valve is fitted, it closes and the
circulation pump for that circuit is
switched off.
At outside temperatures below +3 °C,
the central heating appliance is adjusted
to the minimum temperature set on the
outside-temperature controlled pro-
grammer. In case a heating mixer is
present, it regulates to a feed tempera-
ture for +10 °C and the circulation pump
for this heating circuit runs.
Central Heating Mode:
Continuous regulation of the temperature
to the value set on the knob (f). See
“Temperature Range” for the temperature
range.
Economy Mode: Continuous reduction
of the temperature
Room thermostat function off:
If the control knob (f) is in the centre po-
sition, the central heating flow tempera-
ture is reduced by approx. 25 K com-
pared with the set heating characteristic.
Room thermostat function on:
If the control knob (f) is in the centre po-
sition, the central heating flow tempera-
ture is reduced by approx. 3 K compared
with the set heating characteristic.
The reduced temperature setting on the out-
side-temperature controlled programmer has no
effect. The circulation pump is switched on.
Alternating mode:
Temperature control alternates automati-
cally between central heating and economy
modes or between central heating and anti-
freeze modes.
Alternation takes place according to the
mode selected ( or Automatic) on the
outside-temperature controlled program-
mer or the timer program setting.
5.2 Knob (f)
The control knob shifts the heating characteris-
tic set on the outside-temperature controlled
programmer up or down.
Set the central heating flow temperature on
the control knob.
A division corresponds to a change of the
feed temperature of 4 K and therefore a room
temperature change of approx. 0.5 K (see
“Temperature Range”).
5.3 Switch (h)
After removing the top part of the remote
control (a) from the base (b), the switch (h) is
accessible on the back side of the top part.
With this switch, the room temperature sens-
ing is switched on or off.
Position
O = Operation without room
temperature sensing (de-
livered condition)
Position
= Operation with room tem-
perature sensing.
1
3
9


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