Installation and operating instruction
Gas condensing unit WTC-GB 15-B Compact and WTC-GB 25-B Compact
2 Safety
83309302 1/2018-05 La
9-196
2.4.1 Normal operation
All labels on the unit must be kept in a legible condition.
Stipulated settings, service and inspection work should be carried out at regular
intervals.
Only operate the unit with its cover closed.
Do not touch moving parts during operation.
2.4.2 Electrical connection
For work carried out on live components:
Observe the accident prevention instructions DGUV Regulation 3 and adhere to
local directives,
tools in accordance with EN 60900 should be used.
2.4.3 Gas supply
Only the gas supply company or an approved agent may carry out installation, al-
teration and maintenance work on gas appliances in buildings and properties.
Pipework must be subject to a combined load and valve proving test and/or us-
ability testing relative to the pressure range intended, e. g. DVGW-TRGI, work-
sheet G 600.
Inform the gas supply company about the type and size of plant prior to installa-
tion.
Local regulations and guidelines must be observed during installation, e. g.
DVGW-TRGI, worksheet G 600; TRF Band 1 and Band 2.
The gas supply pipework should be suitable for the type and quality of gas and
should be designed in such a way that it is not possible for liquids to form, e. g.
condensate. Observe vaporisation pressure and vaporisation temperature of li-
quid petroleum gas.
Use only tested and approved sealing materials, whilst observing all process in-
formation.
Re-commission the appliance when changing to a different type of gas.
Carry out soundness test after each service and fault rectification.
2.5 Disposal
Dispose of all materials and components in a safe and environmentally friendly way
at an authorised location. Observe local regulations.
