Humboldt HM-4160 FlexPanels - Manual (Page 6)

The Master Controller
The Master Controller (Fig. 3) can be used as a stand-alone controller
(HM-4140) for controlling functions when used in conjunction with HM-4150A
and HM-4160A Distribution Panels.
INCREASE
INCREASE
OFF
TAP WATER
DEAIRED WATER
OFF
PRESSURE
VACUUM
OUTPUT
OUTPUT
OFF
FILL
DRAIN
OFF
VACUUM
DEAIRED WATER TANK
PRESSURE
AIR SUPPLY
VACUUM SUPPLY
PRESSURE
1
2
3
4
Master Controller
fig. 3