Stulz BNB Series - 11.5.2. Replacing the Solenoid Valve and Float Switch

EN / 10-2015 / 1000683 © STULZ GmbH, Hamburg
-
84
-
Maintenance   STULZUltraSonic-SystemforDirectRoomHumidicationBNB-
11.5.2. Replacing the solenoid valve and oat switch
3
Unscrew the threaded joint of the water
supply pipe.
2
Unscrew the Phillips screw next to the
right-handoatswitch.
1
Perform steps 1-10 from
section "11.5. Inspect the electrical sys-
tem" on page 80.
4
Completely remove the panel.
5
Slacken the Phillips screw and take the
unit out of the housing.
6
Rotatethettingandtakeoutoftheunit,
andremovethellvalve.
7
Checktheopen/closedsignalfromtheoat
switches and replace if necessary.
Item
Description
8 Water tank
9 Nebulizer print plate
10 Fill valve
11 Coilllvalve
12 Float switch for low water
13 Float switch for water supply
9
8
12
11
10
13
a)Floatswitchforlowwater(12)FS2
 -Upperlevel:open
 -Lowerlevel:closed
b)Floatswitchforwatersupply(13)FS1
 -Upperlevel:closed
 -Lowerlevel:open