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 TECH RS regulator (with RS communication) -

When this type of two-state regulator is selected,

the valve works according to room regulator

function. Activation of this regulator enables the

user to view the current temperature of the CH

boiler, water tank and the valves. This regulator

should be plugged to RJ (telephone-type) socket

of the i-2 controller using a four-core cable with

appropriate plugs (to the RS socket).

 TECH regulator algorithm - (with RS

communication). When this type of regulator is

selected and ‘room temperature reduction’

function is activated, the valve works according to

<change in pre-set valve temp.> and <room

temperature difference> parameters. Activation

of this regulator enables the user to view the

current temperature of the CH boiler, water tank

and the valves. This regulator should be plugged

to RJ (telephone-type) socket of the i-2 controller

using a four-core cable with appropriate plugs (to

the RS socket).

 Room temperature difference - This setting is used to define the single unit change in the current room

temperature (with the accuracy of 0.1°C) at which a predefined change in the set temperature of the valve

will be introduced (function available only with TECH room regulator with RS communication).

Example:

setting: room temperature difference 0,5°C

setting: change in pre-set valve temperature 1°C

setting: pre-set temperature of the valve 40°C

setting: pre-set temperature of the room regulator 23°C

Case 1. If the room temperature rises to 23.5ºC ( 0.5ºC above the pre-set room temp.), the pre-set valve temperature

drops to 39ºC (temp. reduction of 1ºC).

Case 2. If the room temperature drops to 22ºC (1ºC below the pre-set room temp.), the valve increases its pre-set

temperature to 42ºC (temp. increase of 2ºC).

 Change in pre-set valve temp. - This setting determines by how many degrees the valve temperature is to

increase or decrease with a single unit change in room temperature (see: Room temperature difference) This

function is active only with TECH room regulator and it is closely related to the Room temperature difference

parameter.

Tech Controllers i-2 User Manual

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