User guide

40 Advanced User Guide
2 Configuration
Cryo Trap
This discussion assumes that the trap is mounted in position B,
that you use liquid nitrogen coolant and control the trap with
Thermal Aux 1.
Configuration is in several parts:
• Configure the trap to the GC
• Configure a heater to the cryo trap.
• Configure the coolant.
• Configure the user- configurable heater.
• Reboot the GC.
Configure the cryo trap to the GC
1 Press [Config], then [Aux Temp #] and select Thermal Aux 1.
Press [Enter].
2 Press [Mode/Type]. Scroll to Install BINLET with BV Cryo and
press [Enter].
3 Press [Options], select Communications, and press [Enter].
Select Reboot GC and press [On/Yes] twice.
This informs the GC that a cryo trap is installed at position B.
Configure a heater to the cryo trap
1 Press [Config], then [Aux Temp #], select Thermal Aux 1 and
press [Enter]. Select Auxiliary Type: Unknown and press
[Mode/Type]. Select User Configurable Heater and press [Enter].
2 Press [Options], select Communications, and press [Enter].
Select Reboot GC and press [On/Yes] twice.
This informs the GC that the heater parameters will be supplied
by the user.
Configure the coolant
The GC can handle only one type of coolant. If the coolant has
already been specified for some other device, then that same
coolant must be specified here.
1 Press [Config], then [Aux Temp #].
2 Select Thermal Aux 1 and press [Enter].
3 Scroll to Cryo Type (Valve BV).