Water Cooler; Flange Heater; Tav5 And Tav6 Vent Valves - Edwards nEXT730D Instruction Manual

An air cooler can be fitted to the pump - refer to
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
nEXT730/930D Air cooler kit
nEXT1230H Air cooler kit

14.2 Water cooler

A water cooler can be fitted to the nEXT730/930D pump if the water supply is suitable.
The nEXT1230H pump has a built-in water cooler.
Refer to Forced air cooling
supply.
Table 39 Water cooler
Water Cooler
nEXT730/930D water cooler

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
nEXT730D (110 V) flange heater
nEXT730D (240 V) flange heater
nEXT930D (110 V) flange heater
nEXT930D (240 V) flange heater
nEXT1230H (110 V) flange heater
nEXT1230H (240 V) flange heater

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.
B8J200880_D
300812671_002_C3
B8J200880_D - Accessories
on page 64 to check the suitability of the water cooling
Page 110
Forced air cooling on page 64 to check
Current draw Item number
150 mA
150 mA
Item Number
B8J200820
Item Number
B58052775
B58052776
on request
on request
on request
on request
08/2021 - ©Edwards Limited
B8J200800
B8J200801