Table 43
Water cooler
Water Cooler
Item Number
nEXT85 water cooler B8G200833
13.3 Flange heater
A ange heater increases the degassing of the pump to enable it to achieve lower
pressures. It can also be used to protect the pump from condensaon of contaminants.
The ange heaters are available in 110 V and 240 V versions.
Note:
Use the ange heater only with CF variants.
Table 44
Flange heater
Water Cooler
Item Number
nEXT85 (110 V) ange heater B8G200823
nEXT85 (240 V) ange heater B8G200824
13.4 TAV5 vent valve
A 24 V d.c. TAV5 solenoid-operated vent valve opons are available for system venng.
These are normally open (N/O) or normally closed (N/C).
The valves are available with either a wired connector which connects directly to the
auxiliary port on the controller or as a bare wire opon.
All vent valves have an 0.5 mm diameter orice and are applicable to vent small vacuum
systems of less than 5 litres.
The vent valves are pre-wired to Vent Opon 1 and the default is set to fully vent at 50%
(opon 0). The solenoid valve is installed in place of the manual valve, or can be installed
with an adaptor (supplied with the valve). Use the valves with an applicable NW10
anged port on the vacuum system. The vent port adaptor lets the vent port or the
purge port to be used with an applicable NW10 ng.
Table 45
TAV vent valve and vent port adaptor
Product
Item Number
nEXT85 TAV5 kit N/C connector ed
(0.3 m)
B8G200835
nEXT85 TAV5 kit N/C bare wire (3 m) B58066040
nEXT85 TAV5 kit N/O connector ed
(0.3 m)
B8G200834
nEXT85 TAV5 kit N/O bare wire (3 m) B58066010
13.5 VRX vent restrictor
Use a VRX installed orice vent restrictor to restrict the ow of vent gas into the pump.
Page 102
B8G000880_D - Accessories