Computherm q3rf Operating Instructions Manual
Wireless (radio-frequency) digital room thermostat
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Summary of Contents for Computherm q3rf
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Page 1: Room Thermostat
Edited by Foxit PDF Editor Copyright (c) by Foxit Software Compan COMPUTHERM Q3RF For Evaluation Only. wireless (radio-frequency) digital room thermostat software! Operating Instructions... - Page 2 GENERAL DESCRIPTION OF THE THERMOSTAT The COMPUTHERM Q3RF type switched-mode room thermostat is suitable to regulate the overwhelming majority of boilers and air conditioners available in Hungary. It can easily be connected to any gas boiler or air conditioning device that has a double wire connector for a room thermostat, regardless of whether it has a 24V or 230V control circuit.
- Page 3 Section 3.1 for the modification of the factory default switching sensitivity of ±0.2°C. This wireless (radio-frequency) thermostat can also be easily extended with the COMPUTHERM Q1RX socket if needed, with which the thermostat is able to control boilers or any other - 3 -...
- Page 4 1. LOCATION OF THE DEVICE The thermostat of the COMPUTHERM Q3RF 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.
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Page 5: Basic Settings
2. PUTTING THE THERMOSTAT INTO OPERATION To put the thermostat into operation, detach the rear panel of the thermostat from the front panel by loosening the screws at the bottom of the cover as shown in the figure. The battery compartment is in the inner side of the front panel of the housing. - Page 6 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. On the other hand, please also take into account that the boiler should not switch on and off multiple times in an hour’s time except at low outside temperatures (e.g.
- Page 7 room temperature value, while the notice “ROOM” appears in the bottom right corner of the display. In this case, the adjusted temperature is visible only during the adjustment process, for approximately 7 seconds after the last button has been pushed. By relocating the plug onto the left and central pins the displayed temperature can be modified so that the display alternately shows the current room temperature and the adjusted temperature for 4...
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Page 8: Setting The Desired Temperature
4. SETTING THE DESIRED TEMPERATURE After putting the thermostat into operation and adjusting the basic settings the thermostat is ready for operation and the adjustment of the temperature can be started. Above the temperature adjustment buttons ) a switch is located. For both the and the comfort ( ☼... - Page 9 • Approximately 7 seconds after setting the room temperature to be maintained, the device automatically switches to normal mode. The notice “SET” disappears from the bottom right corner of the display, and once again the current room temperature and the notice “ROOM” are displayed. •...
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Page 10: Battery Replacement
maintained at the place where the thermostat has been installed. According to the change in room temperature and temperature setting, the thermostat controls (switches on or off) the boiler or any other equipment connected to it. When activated, the normally open contact pairs, i.e. No. 1 (NO) and No. 2 (COM), of the relay of the thermostat clamp shut, and, as a consequence, the appliance connected to the thermostat is switched on. - Page 11 Heating unit (boiler) Rear panel 1 2 3 of the receiver unit 230V AC 50-60 Hz L (phase) 230V AC 50-60 Hz Unscrew the two screws at the bottom of the receiver unit without removing them. Following this, remove the front panel of the receiver unit then fix the back panel to the wall in the vicinity of the boiler with the screws provided.
- Page 12 No. 1 (NO) and No. 2 (COM), i.e. to the normally open terminals of the relay. If you would like to operate an old boiler or any other device that has no connection points for thermostats, then the No. 1 (NO) and No.
- Page 13 should switch on to indicate that the receiver unit has received the command of the transmitter (thermostat). If it does not happen, the system should be retuned. For this purpose press the “M/A” button of the receiver unit and keep it depressed (for approximately 10 seconds) until the green LED starts flashing.
- Page 14 7.4 Manual control of the receiver unit Pressing the “MANUAL” button separates the thermostat from the receiver unit. In this case, the boiler or air conditioner connected to the receiver unit can only be turned on and off manually, without any temperature inspection. The continuously illuminated green LED indicates “MANUAL”...
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Page 15: Technical Data
TECHNICAL DATA Technical data of the thermostat (transmitter): — temperature measurement range: 5 to 35°C (in 0.1°C increments) — adjustable temperature range: 5 to 35°C (in 0.5°C increments) — temperature measurement accuracy: ±0.5°C — selectable switching sensitivity: ±0.1°C; ±0.2°C — storage temperature: -10°C to +40°C —...
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