50
10 Operating and Monitoring Systems 10
1 Sight-glass, refrigeration unit:
For visually checking whether the cooling agent
is free of bubbles during the adsorption phase
17 Thermal sensor, distillation condenser:
Monitors the solvent temperature.
2 High pressure control switch (refrigeration):
Switches the system to the malfunction state if
there is overpressure
18 SPP sprayer:
See SPRAYMATIC SPP instructions.
3 Low pressure control switch (refrigeration):
Switches the system to the malfunction state if
there is not enough cooling agent
19 Drying time controller:
Extends the drying time, depending on
the type and amount of garments
4 Pressure gauge, steam pressure (elec):
For checking operating pressure and sealing
(when cooled off, approximately –0.8 bar).
20 Sight-glass, safety separator **:
For observing the process water and
checking the tank.
5 Overfill preventer, distillation **:
Prevents overfilling the still (over 75 % of its
filling volume).
21 Sight-glass, tank 3:
You can read off the liquid level on the
scale.
6 Cooling water regulator, refrigeration unit:
You can set the condensation pressure in the
refrigeration unit here.
22 Sensor, high level:
Regulates the detergent solution level.
7 Cooling water regulator, distillation:
Controls the cooling water flow (setting for
cooling water temperature drain +45°C/113°F).
23 Thermal sensor, solvent:
Monitors the solvent temperature.
8 Pressure gauge, compressed air:
You can read off the required operating
pressure (6 bar) on the pressure gauge
24 Thermal sensor, cage housing outlet:
Monitors the housing outlet temperature
9 Safety thermostat, air heater (elec):
Monitors the maximum permissible temperature
on electrically heated machines The system
switches to the malfunction state in case of
overheating
25 Thermal sensor, air heater (elec):
sensor from safety thermostat 9
10 Sight-glass, water separator:
For observing the condensate feed from
distillation and drying
26 Thermal sensor, aftercooler:
Monitors the aftercooler temperature and
switches the machine off when the
temperature exceeds 40° C (104°F).
11 Pushbutton, dosing unit:
Triggers a dosing procedure when pushed. You
can select any number of lifts
27 Safety valve, steam heater (elec):
Opens when the permissible pressure is
exceeded
12 Water drain valve:
For draining the water trap
28 Aeration valve, steam heater (elec):
Aeration when filling the heating chamber
with water.
13 Dosing unit:
Use the setting screw to select the required
product quantity per lift.
29 Thermal sensor, distillation:
Turns off the distillation heater
14 Pressure control switch, steam chest distillation
(elec):
Controls the distillation heater
30 Heating element, overheating protection
(elec): monitors the water level in the
heating chamber.
15 Sight-glass, still:
For observing the distillation process
16 Limit switches:
All maintenance openings are protected with
limit switches
* only on US model
** only on machines that conform to the EN ISO 8230 standard
P12
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