Viadrus VULCANUS, Руководство по эксплуатации и установке

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Note:
Select the dimension of shorting pipe with stop valve V2 up to the half of other piping dimension. Shorting
pipe is necessary. In case the thermostatic valve V1 is only closed through the boiler and mixing valve Y1 is
open to the heating circuit the heating circuit with the heating circuit pump will be secured through this
shorting pipe.
Sensor cables can anyhow be shortened or prolonged provided following principles are observed:
-
do not cut the sensor cable in the distance shorter than 0,5 m from the jacket;
-
cable sensor prolongation by more than 10 m is not recommended;
- CMSM – H 2 x 0,5 mm cable is recommended for cable prolongation;
- Cable connection in case of prolongation is to be done very carefully. Ensure the conductive joint
when you shorten or prolong the cable.
Note to the three-way valve V4044C (V4044F) made by Honeywell:
Connection AB –heating water outlet from boiler
Connection A – outlet to the water heater
Connection B – outlet to the heating circuit
Note to the three-way mixing valve VBI31.20 with drive SQK34.00 (Siemens):
After the connection of the three-way mixing valve it is necessary to check whether the valve opens in case
heating is required. If it be to the contrary revert the phases L (Y1) and L1 (Y2). It is also important to observe
the correct hydraulic connection of three-way mixing valve according to the enclosed manual.
Recommendation for the check!
Select the value 4 in P 20 parameter which means boiler manual operation. At this type of operation HMI
ACX84.910 ALG service unit displays the word Wood.
Three-way mixing valve must open up to maximum into the heating circuit.
Floor heating
Floor heating can be used in mixing heating circuit. Following parameters have to be set:
- Parameter P 21 – Slope of heating curve to the value 0,8,
-
Parameter P 76 – Minimum temperature of heating circuit (can be reduced to the value of 20
o
C),
-
Parameter P 77 – Maximum temperature of heating circuit max. 40
o
C.
In case of superfluous heat withdrawal into the heating circuit the temperature will be mixed to the maximum
set temperature of the heating circuit.
Note: In case of radiators and floor heating combination the floor heating must have its own regulation
including the three-way mixing valve.
Fig. no. 10 Connecting dimensions of boiler