Edwards nEXT730 - Water Cooler; Flange Heater; TAV5 and TAV6 Vent Valves

B8J200880_E - Accessories
Page 124
An air cooler can be fitted to the pump - refer to Forced air cooling on page 78 to check
the suitability of air cooling in a particular application. The air coolers are pre-wired to
Vent Option 2 and the default is set to Always On (option 8).
Table 38 Air cooler
Air Cooler
Current draw
Item number
nEXT730/930 Air cooler kit
150 mA
B8J200800
nEXT1230 Air cooler kit
150 mA
B8J200801
14.2 Water cooler
A water cooler can be fitted to the nEXT730/930 pump if the water supply is suitable.
The nEXT1230 pump has a built-in water cooler.
Refer to Forced air cooling on page 78 to check the suitability of the water cooling
supply.
Table 39 Water cooler
Water Cooler
Item Number
nEXT730/930 water cooler
B8J200820
14.3 Flange heater
A nEXT flange heater accelerates the degassing of the pump to enable it to achieve
lower pressures. It may also be used to protect the pump from condensation of
contaminants. The flange heaters are available in 110 V and 240 V versions.
Note:
The flange heater is only for use with CF variants.
Table 40 Flange heater
Flange heater
Item Number
nEXT730 (110 V) flange heater
B58052775
nEXT730 (240 V) flange heater
B58052776
nEXT930 (110 V) flange heater
on request
nEXT930 (240 V) flange heater
on request
nEXT1230 (110 V) flange heater
on request
nEXT1230 (240 V) flange heater
on request
14.4 TAV5 and TAV6 vent valves
24 V d.c. TAV5 and TAV6 solenoid-operated vent valve options available for system
venting; these are either 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 option.