TOCII CA72TOC Maintenance
Endress+Hauser 111
7.9.7 Leakage test
This section describes how the gas circuit is checked for leaks.
Check the leak-tightness of the gas circuit after each modification to the furnace.
You require the following parts:
• Drain plug from the accessories supplied
a0012531
Fig. 61: Left-hand side of the housing
1 Gas outlet
2 Switch for membrane compressor
Step Display Description
1
2 1. Switch off the membrane compressor
(item 2).
2. Seal the gas outlet with a plug
(left-hand side panel, item.1).
3. Press the [E] key.
PUMPS
CALIBRATION
SERVICE
CLEANING
FILTERS
SCREEN FLUSH
POWER-FLUSH
BYPASS-SCREEN
STRIPPER+SEPARATION
OPEN GAS CICUIT
COMBUSTION PIPE
LEAKAGE TEST
LEAKAGE TEST
[E] TO CONFIRM
SHUT GAS OUTLET
SWITCH MEMBRANE COMPRESSOR OFF
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