Daikin Altherma EHYHBH05A Series - To Perform a Gas Pressure Test; To Perform a Test Run on the Gas Boiler

12 | Commissioning
Installer reference guide
204
EVLQ05+08CA + EHYHBH05A + EHYHBH/X08A + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1G – 2022.09
1 Go to the underfloor heating screed dryout screen.
2 Press .
3 Press to interrupt the program.
4 Select OK and press .
Result: The underfloor heating screed dryout program is stopped.
When the program is stopped due to an error, an operation switch-off, or a power
failure, you can read out the underfloor heating screed dryout status.
5 Go to [A.7.2]: > Installer settings > Commissioning > UFH
screed dryout > Dryout status > Stopped at and followed by the
last executed step.
6 Modify and restart the execution of the program.
12.4.6 To perform a gas pressure test
1 Connect a suitable gauge on the gas valve. Static pressure MUST be 20mbar.
2 Select test program " ". See "12.4.7 To perform a test run on the gas
boiler" [4 204]. Static pressure MUST be 20 mbar (+ or – 1 mbar). If the
working pressure is <19mbar, the gas boiler output will be reduced and the
correct combustion reading may NOT be obtained. Do NOT adjust the air and/
or gas ratio. To obtain sufficient working pressure, gas supply MUST be
correct.
INFORMATION
Make sure the working inlet pressure does NOT interfere with other gas appliances
installed.
12.4.7 To perform a test run on the gas boiler
The gas boiler has a test run function. Activating this function results in the
activation of the indoor unit pump, as well as the gas boiler (with a fixed fan
speed), without the control functions being actuated. The safety functions remain
active. The test run can be stopped by pressing and simultaneously or will end
automatically after 10minutes. To perform a test run, switch off the system with
the user interface.