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Comparison Vaillant calorMATIC 370f vs Vaillant calorMATIC 370

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Vaillant calorMATIC 370f
Vaillant calorMATIC 370
Vaillant calorMATIC 370fVaillant calorMATIC 370
from $179.60 up to $202.15
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from $117.76 up to $184.16
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Suitable for
gas boiler
gas boiler
Specs
Typeelectronicelectronic
Connectionwirelesswired
Control buseBuseBus
Mounting
on wall /built into the boiler/
on wall
Temp adjustment range5 – 30 °C5 – 30 °C
Air temp sensor
Outdoor temp sensoroptional
Timer typeweeklyweekly
More features
Features
display
holiday mode
display
holiday mode
Power sourcebatterymains
Thermostat dimensions115x147x50 mm115x147x50 mm
Added to E-Catalogjune 2016june 2016

Connection

How to connect the controller to the controlled device.

Wired. Connecting with wires is the most common option. It is due to its main advantages — simplicity, reliability and low cost. On the other hand, the wiring itself can be quite troublesome and time-consuming.

Wireless. Wireless connection — usually by radio channel. To do this, the kit usually provides an external transceiver connected to the controlled device. The main advantage of wireless models is obvious — they are much easier to install because no need to run extra wires. On the other hand, such a technique is much more expensive than wired, and communication has a limited range, which is further reduced if there are obstacles (such as thick walls) in the signal path.

DIN rail. The phrase "on a DIN rail" traditionally refers to the method of installing the device (see "Mounting"); the connection is usually carried out by wire. However, this option is taken out separately for the reason that DIN devices are standardly mounted in a distribution cabinet — unlike conventional wired thermostats, installed directly in the room. However, sometimes it is an advantage: the distribution cabinet can be locked with a key, restricting unauthorized access to the thermostat. Models with such a connection usually refer to professional equipment used in industrial...facilities, warehouses, etc.

Outdoor temp sensor

Features of an outdoor temperature sensor used with a thermostat.

Such a sensor, as the name suggests, monitors the outdoor temperature and provides additional information that contributes to the accurate and efficient operation of the automation. For example, with a significant cold outside, the heating system can turn on in advance, without waiting for the room to become colder and this will be recorded by the internal sensor. It avoids unnecessary temperature fluctuations and increases the overall efficiency of the system.

Thermostats that allow outdoor temp sensor connection may initially have such a sensor in the kit, or optionally supplied with it (in this case, the presence of the sensor should be specified separately and, if necessary, ordered additionally). These details are specified in this paragraph.

Power source

The type of power source used in the thermostat.

— Mains. Powered by a conventional 230 V power grid. A device connected to such a power supply can operate without interruption for almost unlimited time, which is especially important for thermostats and automatic regulators — during working hours they must be constantly turned on, otherwise, the very meaning of such devices is lost. In addition, the mains connection is suitable for controllers of almost any power consumption. The only drawback of this option is the need to run the wire to the device, but this moment is hardly critical.

— Battery. Powered by its own battery or a disposable battery, in this case, both options are allowed. This type of power supply is found in wireless thermostats (see "Connection"); its main advantage is its complete independence from sockets, which greatly simplifies installation and makes the outdoor unit completely wireless. In some models, it can even be removed from the mount and carried with you. At the same time, the power consumption of thermostats is small, and a small battery may well last for a year or even more.
Vaillant calorMATIC 370f often compared
Vaillant calorMATIC 370 often compared