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Installation and Operating Instructions
RX TI 24 24-Hour Programming Cassette
1. Description
The programming cassette allows you to program within a
time frame of 24 hours up to 4 different time blocks during
which the heater is switched on. The programming cassette
can be used individually, i.e. for one heater, or serially, i.e.
for a group of heaters (e.g. for a complete dwelling unit).
If used as a serial programmer, a programming cassette is
installed in one heater. This unit acts as the so-called "mas-
ter control". Once the electrical wiring (as shown in the in-
stallation instructions of the heater) has been completed, all
time functions set on the master device will be followed by
every slave heater connected to the same circuit. The heat-
ing program preset on the master control (time blocks for
On/Off) will also be executed on all slave heaters.
2. Installation
Turn off heater and carefully tilt it toward the front. With a
flat-blade screwdriver push latching clip of cover in the di-
rection of the arrow and remove cover. Slide cassette all the
way into the opening.
3. Setting the Time
Press the PROG button.
The "clock" symbol ap-
pears in the upper left
corner of the display and
the hours flash. Set the
hours using the ▼▲ but-
tons, confirm with
ENTER. Use the same
procedure to set the min-
utes. Confirm with
ENTER.
4. Manual Switching On/Off Mode
Switch on the heater (indicator lamp is illuminated).
Press the MODE button
until MAN ON appears on
the display. The device is
switched on. If you wish to
switch the device off,
press MODE once more.
The display MAN OFF
appears. The device is
switched off.
00:00
MODE PROG
ENTER
14
:00
MAN
ON
OFF
MODE PROG
ENTER
5. Automatic Mode
Switch on the heater. Press the PROG button twice. P1 ON
appears on the display and the hours flash. Set the hours
using the ▼▲ buttons, confirm with ENTER. Use the same
procedure to set the minutes. Confirm with ENTER.
Note: Minutes can be set in 10-minute increments only!
P1 OFF now appears on the display. Set the desired
switch-off time and con-
firm with ENTER. Pro-
gram P1 has thus been
set. P2 now appears, i.e.
another heater operating
time can be programmed.
Programs P3 and P4 can
be set in the same man-
ner. To prematurely abort
the setting procedure,
press the PROG button.
All values already set will be retained.
For the preset programs to be executed, the programming
cassette must be in the AUTO (automatic) mode. The oper-
ating mode can be selected by means of the MODE button.
6. Key Lock Setting
Successively press
ENTER and MODE. The
buttons must be pressed
within 1 second. The key
symbol appears on the
display. All key functions
are locked.
When the key combina-
tion is pressed once
more, the keys are un-
locked.
7. ADVANCE Mode
The ADVANCE mode enables the heater to provide instant
heat, i.e. before the pre-
set starting time.
Example: It is 2 p.m. A
heater operating time
from 5 p.m. – 7 p.m. has
been programmed, but
you want to start the
heater operation immedi-
ately. The programmer is
in the AUTO mode. Press
the ▲ button for 3 sec-
onds. ADVANCE appears on the display. The heater is now
switched on and operates until the end of the programmed
time period (i.e. until 7 p.m.). When the originally pro-
grammed starting time of the heater
(5 p.m.) is reached, ADVANCE will disappear from the dis-
play.
The ADVANCE function can be manually cleared at any
time. Simply press the ▼ button.
9
ON
00
:00
P1
AUTO
MODE PROG
ENTER
14:00
MODE PROG
ENTER
ON
14
:00
ADVANCE
AUTO
MODE PROG
ENTER
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