1. GENERAL DESCRIPTION
The
COMPUTHERM
Q2RF plug was developed for the
COMPUTHERM
Q3RF, Q5RF, Q7RF and Q8RF thermostats to increase their wire-
less range. The original range of Q3RF, Q5RF, Q7RF and Q8RF ther-
mostats is 50 m in open area, which can be signicantly shortened
by the structure of the building. To be able to use the Q3RF, Q5RF,
Q7RF and Q8RF thermostats in larger buildings too, it is advised to
use a wireless signal repeater. This can be achieved by using the
COMPUTHERM
Q2RF wireless repeater: it receives the signals of the
wireless thermostats and retransmits the signal to the receiver unit, thus
making the range larger. The range of the signal sent by the signal repeat-
er is approx. 100 m. The Q2RF plug should be connected to the mains
voltage (230 V, 50 Hz), meanwhile on the output of the Q2RF plug the 230
V, 50 Hz mains voltage also appears. The maximum load of the plug is be
16 A (4 A inductive).
2. PUTTING THE WIRELESS REPEATER
INTO OPERATION
When choosing the location of the signal repeater unit you should re-
member that bulky metal objects (e.g. a boiler, buer tank, etc.) and metal
building structures may have an adverse eect on propagation of radio
waves. If it is possible, in order to ensure trouble-free RF connection, we
recommend that you install the receiving unit at a height of 1.5 to 2 m and
at a distance of 1 to 2 m from the boiler or other bulky metal construc-
tions. It is advisable to install the
COMPUTHERM
Q2RF signal repeater in
a place protected from moisture, dust, chemicals and heat.
WARNING! Modifying the socket can cause electric shock or prod-
uct failure.
Connect the
COMPUTHERM
Q2RF wireless repeater plug to the mains
voltage, approximately half way between the Q3RF, Q5RF, Q7RF and
Q8RF thermostat and Its receiver unit. After a couple of seconds the
LEDs on the front panel of the plug ash once, after which the plug is
ready for operation. Without tuning the device together with the thermo-
stat or its receiver unit, it receives the signals from all Q3RF, Q5RF, Q7RF
and Q8RF thermostats in its range, after which it transmits the signal to
the receiver unit using the same security code. The receiving and the the
sending of the signals are shown by the followings: red LED blinks two
times, then both LEDs blink one time and nally the green LED blinks
2 times. It causes absolutely no problems if there are more thermostats
working in the range of the wireless repeater: as the security codes are
kept for the repeated signals, an incorrect switch is not possible.
3. FAST CHECK OF THE OPERATION OF
THE WIRELESS REPEATER
By pressing the „TEST” button, the verication of the operation of the
Q2RF plug is easy, fast and can be done within one room by following the
steps below:
1. Unplug the Q2RF device, in case it was plugged in before, and wait ap-
proximately 1 minute to make sure that the capacitors inside the device
are discharged.
2. Press and hold down the grey „TEST” button on the device, and mean-
while connect it to the mains voltage. Do not release the „TEST” button
until the LEDs on the front side of the device rst start ashing alter-
nately, then after a couple of seconds they become continuously illumi-
nated for approximately 2 seconds together. After the LEDs switch o,
the device is in „TEST” mode, and it is ready for the verication of its
operation.
3. The „TEST” mode of the wireless repeater inverts the signal sent from
the thermostat to the receiver unit. When the thermostat sends a switch
on command to the receiver unit and the sign of the heating/cooling
equipment working appears on the display of the thermostat, the re-
ceiver unit turns o. Similarly, after the switch o signal of the thermo-
stat, the wireless repeater sends a switch on signal to the receiver unit.
The inverted operation shows that the signal repeater is working prop-
erly. With the help of this „TEST” mode, it is easy and fast to check the
proper operation of the Q2RF wireless repeater even if it is close to the
thermostat and the receiver unit.
4. To nish using the „TEST” mode, unplug the device from the mains
voltage and wait approximately 1 minute to make sure that the capaci-
tors are discharged. After this connect the device to the mains voltage
again, and then it is ready to use.
