Computherm Q5RF Operating Instructions Manual
Multi-zone wireless (radio-frequency) digital room thermostat
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- Page 1 COMPUTHERM Q5RF (TX) Multi-zone wireless (radio-frequency) digital room thermostat Operating Instructions You can watch the most important aspects of the usage of this thermostat on our video presentation at www.computherm.info.
- Page 2 The COMPUTHERM Q5RF (TX) type switched-mode room thermostat is suitable to regulate the overwhelming majority of boilers and air conditioners. It can be used together with the COMPUTHERM Q5RF or Q8RF multi-zone thermostats to complement the two thermostats in the basic package, to increase the number of zones regulated and to control the COMPUTHERM Q1RX wireless (radio- frequency) thermostat-controlled socket.
- Page 3 energy costs while maintaining comfort. In cooling mode it switches exactly the opposite way. To increase the lifetime of the batteries, the thermostat will not transmit signals continuously. Instead it will repeatedly transmit the actual signal every 5 minutes. Therefore, the regulation of the heating or cooling will continue even after a blackout.
- Page 4 The portability of the thermostat offers the following advantages: • no need to lay a cable, which is especially advantageous when old buildings are being modernized, • the optimal location of the device can be selected during operation, • it is also advantageous when you intend to locate the thermostat in different rooms in the course of the day (e.g.
- Page 5 1. LOCATION OF THE DEVICE The thermostat of the COMPUTHERM Q5RF (TX) type device can be freely moved in your residence. It is reasonable to locate it in a room used regularly or for many hours per day so that it is in the direction of natural ventilation in the room but protected from drought or extreme heat (e.g.
- Page 6 IMPORTANT WARNING! If the radiator valves in your flat are equipped with a thermostatic head, adjust it to maximum temper- ature or replace the thermostatic head of the radiator valve with a manual control knob in the room where the room thermostat is to be located, otherwise the thermostatic head may disturb the tem- perature control of the flat.
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Page 7: Basic Settings
Warning! Good quality alkaline batteries may only be used for this appliance. Carbon-zinc batteries known as durable or long life batteries and chargeable accumulators are not suitable for the operation of this appliance. Icon appearing on the display to indicate low battery voltage warns reliably that the batteries should be replaced only when good quality alkaline batteries are used. - Page 8 With factory default settings the jumper is located on the central and uppermost pins, in which case the display shows the currently meas- ured room temperature value, while the notice “ROOM” appears in the bottom right corner of the display. In this case, the adjusted tempera- ture is visible only during the adjustment process, for approximately 6 seconds after the last button has been pushed.
- Page 9 bottommost and central pins. A smaller switching sensitivity re- sults in steadier room temperature and therefore in higher comfort. The heat loss of the room (building) does not depend on the switching sensitivity. If higher comfort is needed, the switching sensitivity should be set so that it provides a steadier room temperature.
- Page 10 bottommost and central pins, the cooling mode can be selected. The output terminals of the receiver unit NO - COM and the zone outputs are turned on below the set temperature in heating mode, and they are turned off above the set temperature in cooling mode (taking the switching sensitivity into account).
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Page 11: Setting The Desired Temperature
3.5 Synchronising the Thermostat and the Receiver Unit In order to have a safe, reliable and trouble-free wireless (radio-frequency) connection, both the thermostat and the receiver unit have their own safety codes. After installing the receiver unit, the two units should be synchronised by pressing the “LEARN”... - Page 12 Below the temperature adjustment buttons ) a switch is located. For both the economy ( w ) and the comfort ( ☼ ) positions of the switch a different tempera- ture can be set between 5 °C and 40 °C, in steps of 0.5 °C. For energy efficiency it is recommended that the comfort tem- perature is only used those times, when the room or building is in use, because every 1 °C decrease of temperature saves...
- Page 13 sired temperature to be maintained at the place where the thermostat has been installed can be set in steps of 0.5 °C. • Approximately 6 seconds after setting the room tempera- ture to be maintained, the device automatically switches to normal mode.
- Page 14 and the 230 V AC voltage at its output for that zone is turned off. In cooling mode, the relay switches exactly the opposite way. The status of the zone outputs is indicated by the “HEAT” (heating) or “A/C” (cooling) icon in the lower left corner of the devices display, depending on the selected opera ting mode.
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Page 15: Battery Replacement
6. BATTERY REPLACEMENT The average lifetime of the batteries is 1 year. The icon alter- nately replacing the temperature value on the display indicates low battery voltage. Replace the batteries whenever the icon indicating low battery voltage appears on the display (see Section 2). - Page 16 7.1 COMPUTHERM Q5RF (TX) - COMPUTHERM Q5RF / Q8RF If you would like to use the COMPUTHERM Q5RF (TX) thermostat to com plement the COMPUTHERM Q5RF multi-zone thermostat, then follow the tuning steps described in Section 7.2 of the man-...
- Page 17 0.2 °C, then reduce it below the room temperature by more than 0.2 °C. When detecting the ON and OFF control signals, the red LED on the receiver unit or the COMPUTHERM Q1RX plug switches on and off, respectively. When the receiver unit / plug...
- Page 18 (radio-frequency) range or out of it (due to the floor-plan of the house or the shading effect of its structure), to guarantee the safe wireless connection, place a COMPUTHERM Q2RF wireless repeater between the two parts.
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Page 19: Frequently Asked Questions
The vast majority of the problems encountered can be solved easily by us- ing the hints available on our website, without seeking professional help. - Page 21 PRODUCT INFORMATION DATA SHEET: • Trademark: • Model identifier: Q5RF (TX) • Temperature control class: I. class • Contribution to the efficiency of seasonal space heating: 1% Remark: In addition to using modern temperature regulators, the following up-to-date regulation methods also contribute significantly to the improvement of the...
- Page 22 • Using modern modular heating devices equipped with an external tempera - ture sensor the boiler can be operated at a higher efficiency. • Using low temperature heating networks (e.g. 60/40 °C) and condensing boilers the temperature of the flue gas leaving the boiler can be reduced, and this way fuel efficiency can be improved significantly.
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Page 23: Technical Data
TECHNICAL DATA Technical data of the thermostats (transmitters): ‒ temperature measurement range: 3 to 45 °C (in 0.1 °C increments) ‒ adjustable temperature range: 5 to 40 °C (in 0.5 °C increments) ‒ temperature measurement accuracy: ±0.5 °C ‒ selectable switching sensitivity: ±0.1 °C;... - Page 24 The COMPUTHERM Q5RF (TX) type thermostat complies with the requirements of directives RED 2014/53/EU and RoHS 2011/65/EU. QUANTRAX Ltd. Manufacturer: Fülemüle u. 34., Szeged, H-6726, Hungary Phone: +36 62 424 133 • Fax: +36 62 424 672 E-mail: iroda@quantrax.hu Web: www.quantrax.hu • www.computherm.info...
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