3
Dear customer,
thank you for having purchased VIADRUS G 90, the gas boiler thus having shown your confidence in
VIADRUS a.s.
In order to get used to the correct way of using your new product from the very beginning please
read carefully this service instruction (first of all the chapter no. 8 – Boiler service by user and
chapter no. 9 – Important warnings). Please observe the below stated information specially those
regarding the prescribed annual inspections carried out by an authorized professional firm providing
the guarantee for a long-term failure-free boiler operation both to your and our satisfaction.
1.
Purchase order and accessories
1.1
Purchase order
In the purchase order it is necessary to specify:
1. The boiler size and the required regulation (according to the o
rder specification code
)
In the purchase order it is necessary to specify the data according to the o
rder specification code
.
In case of a delivery in the composed state it is necessary to specify the execution of the right (when
looking at the electric panel the smoke flue is situated on the right) or left (when looking at the electric
panel the smoke flue is situated on the left).
2. Number and types of sensors:
- outside temperature sensor QAC 31
- submersible temperature sensor QAZ 21 (can also be used for HWS
heating)
- surface temperature sensor QAD 21
3. Space instrument type:
- indoor sensor QAA 70
- indoor sensor QAA 50
1.2
Delivery a accessories
Delivery
VIADRUS G 90 boiler is delivered on a pallet equipped with a cardboard package and as a standard in a
composed state equipped only with a network module. At request a delivery in a decomposed state is
possible.
The accessories delivered at request are not included in the boiler basic price:
-
regulation A1 - A4 (according to the o
rder specification code
) including 1 pc submersible sensor QAZ 21
-
electromagnetic gas valve (according to the o
rder specification code
)
-
ordered number of necessary types of sensors (see chapter no. 1.1)
-
ordered type of space instrument (see chapter no. 1.1)
Order specification code (type designation)
G 90 X X X X X
Regulation:
0 – Standard delivery: electric panel equipped with only a network module, thermomanometer and blind flanges
6 – Regulation A1:
1 pc regulator RVA 43.222 set of connectors SVA 43.222, terminal board WAGO 63 with
a conductor bundle 43, submersible sensor B2 (type QAZ 21).
7 - Regulation A2:
1 pc regulator RVA 43.222, 1 pc regulator RVA 46.531, set of connectors SVA 43.222
a SVA 46.531, terminal board WAGO 46 with a conductor bundle 46, submersible sensor
B2 (type QAZ 21).
8 - Regulation A3:
1 pc regulator RVA 63.280, set of connectors SVA 63.280, terminal board WAGO 63 with
a conductor bundle 63, submersible sensor B2 (type QAZ 21), outside sensor B9
(type QAC 31).
9 - Regulation A4:
1 pc regulator RVA 33.121, set of connectors SVA 33.121, terminal board WAGO 33 with
a conductor bundle 33, submersible sensor B2 (type QAZ 21)
Regulation is delivered in a separate package. The regulators must be connected to the electric panel in place of the
boiler installation.
At the regulation A2 in case of the only one pump circuit required there isn’t necessary to order a mixing circuit
RVA 46.531 incl. the accessories.
Number of sections:
8: 8 sections
10: 10 sections
12: 12 sections
15: 15 sections
Way of delivery:
S: composed state
R: decomposed state
Gas valve:
H: HONEYWELL
D: DUNGS
Fuel:
Z: natural gas
