Vaillant ecoTEC plus VUI Series, Инструкция по установке и обслуживанию

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Installation and maintenance instructions 0020308121_04
7.2.6 Replacing the standard connector for the
air/flue pipe, where required
7.2.6.1 Removing the standard connector for the
air/flue pipe
A
B
C
7.2.6.2 Installing the connector for the air/flue pipe,
60/100 mm or 80/125 mm diameter
1. Remove the standard connector for the air/flue pipe.
(
→
Section 7.2.6.1)
2. Insert the alternative connector. In doing so, pay atten-
tion to the latching lugs.
3. Turn the standard connector clockwise until it clicks
into position.
7.3 Installing the gas connection
▶
Install the gas pipe in accordance with the recognised
rules of technology.
▶
Remove the residues from the gas pipe by decoupling on
both sides and blowing through the gas pipe.
▶
Use the enclosed gas isolation valve. Observe the spe-
cified flow direction.
Note
Gas isolation valves with or without test nipple
are available in the dimensions 15 to 15 mm
or 22 to 15 mm.
Condition : Gas isolation valve without test nipple
▶
Connect the product to the gas pipe as shown in accord-
ance with the recognised rules of good engineering prac-
tice.
Condition : Gas isolation valve with test nipple (requirement for BS 6891)
1
▶
Connect the product to the gas pipe as shown in accord-
ance with the recognised rules of good engineering prac-
tice.
▶
Always ensure that the test nipple (1) is sealed and is
correctly checked for tightness. Tightening torque, see
appendix.
–
Working materials: 3 mm hex key
▶
Purge the gas pipe before start-up.
▶
Check the entire gas supply for tightness in accordance
with the relevant standards.