Installation Instructions
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EN
Exchange of Ignition Burner Nozzle
1. Remove the front guard / operation panel.
2. Unscrew the R connection.
3. Remove the UP nozzle and exchange it with
a nozzle provided in Table 2 (part of the
delivery).
4. Re-tighten the R connection.
5. Reinstall removed elements in reverse order.
Fig. 3
• When the nozzles are exchanged, it is necessary to verify functions of the
appliance, as set forth in section
'Verification of Functions'
.
• To end with, exchange the old rating plate to a new one, included in the delivery,
and containing different data and indication of the new type.
Functional Check
• Before test-running, install the appliance in a well ventilated room and remove
any flammable materials from the vicinity of the appliance.
• Before starting, perform the tightness test using soapsuds. Cover connections
and pipe fittings with suds. Leakages are revealed when bubbles are produced
on couplings and pipe connections. Other method involves observation of gas
meter. No reaction of gas meter indicates that there are no gas leakages.
WARNING!
Do not use open flame for checking tightness of gas installation!
• Restart the appliance, observing indications in section
'Appliance Start-up'
.
• Check the appliance for gas tightness (see DVGW data sheets, TRGI/TRF).
• Verify burner's ignition.
– Verify flame shape.