Fit Combustion Chamber Cover; Fit Boiler Casing; Functional Checks (Commissioning Part Iii); Functional Checks - Vaillant 824/2 E Instructions For Installation Manual

7.8 Fit combustion chamber cover

Carefully re-fit the combustion chamber cover to the
boiler ensuring it is correctly sealed. Secure cover with
retaining clamps.

7.9 Fit boiler casing

• Carefully push case (1) onto the boiler such that the
locating points either side at the top of the boiler
engage. Push the casing onto the securing clips at the
bottom of the boiler.
• Close control panel (2).
• Secure control panel by turning both securing
fasteners (3) clockwise by 90°.
• Fit and close front door (4).
• Fit lower cover plate (5).
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90° 90°
VRC-VC
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Fig. 5.21: Fit boiler casing
Instructions for Installation and Servicing turboMAX plus and thermoCOMPACT R1
Supplied By www.heating spares.co Tel. 0161 620 6677
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Gas supply adjustments (Com. Part II) 7

8 Functional Checks

8.1 Functional checks
Procedure
Once the unit has been installed and the gas supply has
been checked, operate the system to ensure that it is
working correctly.
• Operate the system, following the operating
instructions supplied with the boiler.
• Check the system for water leaks and escaping gas.
• Check that the flue has been correctly installed,
according to the fitting instructions supplied with the
flue assembly.
• Check the burner for correct ignition and flame
picture.
• t t u u r r b b o o M M A A X X p p l l u u s s o o n n l l y y : : Check the hot water system
for correct operation.
• Check the heating system for correct operation.
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Fig. 8.1 Test for correct functioning
8.2 Functional check of operation
(turboMAX plus only)
This boiler is fitted with indicator lights to display the
operating status of the boiler. The status of the
indicators in normal operation will be as follows.
Boiler in stand by mode
• Red lock out indicator (1) OFF.
• Yellow flame indicator (2) OFF.
• Green warmstart indicator (3):
- ON – Warmstart ON
- OFF – Warmstart OFF
Hot water operation
• Fully open hot water tap.
If boiler is operating correctly, the status of the
indicators will be as follows:
• Red lock out indicator (1) OFF.
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