Operating Guide - Components; Heating Controls; Ravk Controller (35-75 °C) - Danfoss Termix VVX-IV 7 Series Operating Manual

Termix VVX-IV - 7 Series DS Fully insulated

Operating Guide - Components

Heating controls

RAVK controller (35-75 °C)
Temperature setting
Relation between scale numbers 1-5 and closing temperature.
(the values given are approximate)
1 = 30 °C
2 = 40 °C
3 = 52 °C
4 = 64 °C
5 = 76 °C
Thermostatic control
The flow temperature in the space heating circuit is controlled using
the temperature regulation of the HIU, depending on model and type.
The temperature of the HTG flow line is adjusted as follows:
To increase the temperature, turn the handle on the thermostatic
controller to select a higher number.
To decrease the temperature, turn the handle on the thermostatic
controller to select a lower number.
Removing the RAVK sensor
1. Setting
Before removing the RAVK sensor from the valve turn to setting 5.
2. Loosen screw
Loosen the screw as much as you can still keeping it in place.
3. Remove
Remove the RAVK sensor.
Refitting the RAVK sensor
1. Setting
Before refitting the RAVK sensor make sure it is set to 5. Make a note of
the position of the arrow.
2. Ridges
On the exact opposite side of the arrow on the front is a ridge on the
inside edge of the sensor housing - and another opposite this one.
3. Grooves
Note the four grooves on the rim of the valve.
4. Alignment
Align the arrow on the front to one of the grooves on the rim of the
valve and push the RAVK sensor onto the valve.
LGB55001
Setting 5
Screw
Setting
Grooves
07
see diagram
Ridges
Alignment
© Danfoss | 2022.02| 21