17
DEFECT
REASON
ELIMINATION
1. the pilot light on the main
switch is not on after the
boiler has been switched on
No el. voltage on the boilers input
Check the voltage in the socket
Defect pilot lamp
Exchange the switch
2. boiler sets on fire but goes
out immediately
A wrong connection between the
inner and phase conductor in
supply socket
Check and change of connection:
Terminal U- phase conductor
Terminal N – zero conductor
Impurities filter on the gas valve
input clogged
Clean the gas valve filter
3. boiler cannot be lit – the
safety thermostat switched
off (on the control panel in
network module there the
exceeded temperature
signalling lamp is on)
Thermostat unblock in network module -
TB
Insufficient water circulation
(the pump doesn’t work)
filter before the pump clogged
* Switch over the revolutions
Check the pump operation (rotor release)
Pump replacement
Filter before the pump clogged
Clean the filter
Lack of water in system
Check the water pressure in system and if
necessary refill water
* Check the pressure in expansion
reservoir (if there is used a closed heating
system)
4. burner defect signalling
The pump thermostat does not
switch on
exchange the thermostat
Possible defects and the way of their
elimination are shown in burner
documentation
13. Guarantee and liability for defects
Setting up a claim to responsibility for defects is ruled by § 422-441 and for indemnity by § 373-386
Commercial Code.
VIADRUS a.s. provides the guarantee:
–
For boilers 24 months after the boiler putting into operation, but maximum 30 months after the date it was
dispatched from the manufacturing factory.
–
For boiler drum 5 years after the date its dispatch from the manufacturing factory.
The manufacturer requires for guarantee applicability:
–
In sense of Act no. 222/94 Coll.„On
business conditions and government administration in certified
branches and on State electricity inspection
“ and
Č
SN 38 6405, EN 1775 to carry out regularly once a
year the check of natural gas or furnace oil extra light TOEL boilers. The checks can only be done by an
authorized organization (contractual service), accredited by VIADRUS a.s., the manufacturer.
–
In case of 5 segmental boilers it is necessary to observe the conditions set by Collection of Laws
no. 91/1993 and
Č
SN 07 0703,
Č
SN 38 6420.
–
In case of VIADRUS G 50 in 5 segmental design the List of documents for a revision book
according to regulations issued by Czech Office for labour safety to secure the labour safety in
low-pressure steam-boiler rooms (91/1993) is a part of commercial & technical documentation.
–
To document all records about carried out guarantee and after-guarantee repairs and regular annual
checkups in the annex enclosed to the guarantee certificate.
The guarantee does not apply to:
–
Faults caused by improper assembly and improper attendance of the product and faults caused
by improper maintenance see chap. 10
–
Product damage arised during the transport or other mechanical damage
–
Faults caused by rought storage
–
Faults and damage caused by failure to observe water quality in heating system see chap. no. 5.1
and 6.3 or by using the anti-freeze mixture
–
Faults caused by failure to observe instructions stated in this manual
Every defect must be announced immediately after having been found out, always in writing and by
an agreement made by telephone.
If the above instructions are not observed then the manufacturer will not provide the guarantees.
The manufacturer reserves the right to make changes within the product innovations that needn’t be
included in this manual.
