Re-start
40
HDK-CNG_EN_03_2016
If natural gas system and dryer have remained below positive operating pressure
► Ensure that owner-installed natural gas inlet valve is opened.
► Ensure that owner-installed regeneration gas return valve is opened.
► Start program (see section on display elements on page 31 ).
The program continues the cycle from the point at which it was interrupted..
Slowly open natural gas outlet valve!
Avoid a sudden drop in pressure in any circumstance! If pressure drops
too fast, this may cause damage to the dryer. For that reason, always open
natural gas outlet valve slowly!
► Slowly open owner-installed natural gas outlet valve. Observe the vessel
pressure gauge of the pressurised vessel. The pressure should not drop
below the operating pressure (if poss.). If necessary, keep the natural gas
outlet valve in a slightly open position until the natural gas system
downstream of the dryer has filled up completely. Do not open the valve fully
until that point.
The dryer is now back in operation and is working fully automatically.
If the natural gas system and dryer have not stayed below positive operating
pressure
► If disconnected, reconnect the voltage supply of the dryer.
► Switch on the dryer and pressurise as described in section
The dryer is now back in operation and is working fully automatically.
