VD (E2.1) 07/2017 page 14/96
2.2 VD 23 control panel
(7) (8) (4) (3) (2) (2a) (1)
Figure 4: VD 23 control panel
(1) On/off switch (main power switch)
(2) Temperature safety device class 2
(2a) Red alarm lamp of the safety device class 2
(3) Manometer (pressure reading)
(4) Aeration valve (inert gas or ambient air)
(7) Program controller RD3
(8) Vacuum shut-off valve
2.3 VD 53 / 115 control panel
(8) (7) (6) (5) (3) (2) (2a) (1)
Figure 5: VD 53/115 control panel
(1) On/off switch (main power switch)
(2) Temperature safety device class 2
(2a) Red alarm lamp of the safety device class 2
(3) Manometer (pressure reading)
(5) Aeration valve (ambient air)
(6) Fine dosing valve (inert gas)
(7) Program controller RD3
(8) Vacuum shut-off valve