1
Installation
Connecting the PTV/PTVBKF Cryogenic System
22
TRACE 1300 and TRACE 1310 Hardware Manual
Thermo Scientific
To connect the cryogenic system to the liquid nitrogen supply
1. Connect the proper end of the cryo supply tube to the 1/8-in. NPT connection of the
solenoid valve using the proper nut and ferrule. Use a 7/16-in. wrench to tighten the
fittings. See
Figure 25.
PTV/PTVBKF Cryo Supply Tube for LN
2
Connection
2. Connect the other end of the cryo supply tube to the coolant container using the
appropriate nuts and ferrules.
3. Connect the cryo valve to the
Aux Temperature/Cryo Module
.
a.
Connect the 2-pin connector marked
Cryo Valves - Front Inlet
or
Cryo Valves-Back
Inlet
to the cryo solenoid valve using the cable provided. See
.
Figure 26.
Cryo Valves: Front/Back Inlet
b. Using the cable provided, connect the 15-pin female connector marked
GC Bus
on
the module to a
Bus
interface on the back of the GC.
1/8-in. NPT
Ferrule
Nut
Solenoid Valve
Solenoid Valve
Bracket
IMPORTANT
The Auxiliary Temperature/Cryo must be powered at the same line voltage
of the main GC system.
Front Inlet Cryo Valve
Back Inlet Cryo Valve