An air cooler can be ed to the pump - r
efer to Forced air cooling on page 64 to check
the suitability of air cooling in a parcular applicaon. The air coolers are pre-wired to
Vent Opon 2 and the default is set to Always On (opon 8).
Table 38
Air cooler
Air Cooler
Current draw Item number
nEXT730/930D Air cooler kit 150 mA B8J200800
nEXT1230H Air cooler kit 150 mA B8J200801
14.2 Water cooler
A water cooler can be ed 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 on page 64 to check the suitability of the water cooling
supply.
Table 39
Water cooler
Water Cooler
Item Number
nEXT730/930D water cooler B8J200820
14.3 Flange heater
A nEXT ange heater accelerates the degassing of the pump to enable it to achieve
lower pressures. It may also be used to protect the pump from condensaon of
contaminants. The ange heaters are available in 110 V and 240 V versions.
Note:
The ange heater is only f
or use with CF variants.
Table 40
Flange heater
Flange heater
Item Number
nEXT730D (110 V) ange heater B58052775
nEXT730D (240 V) ange heater B58052776
nEXT930D (110 V) ange heater on request
nEXT930D (240 V) ange heater on request
nEXT1230H (110 V) ange heater on request
nEXT1230H (240 V) ange heater on request
14.4 TAV5 and TAV6 vent valves
24 V d.c. TAV5 and TAV6 solenoid-operated vent valve opons available for system
venng; 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 opon.
08/2021 - ©Edwards Limited
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B8J200880_D - Accessories