VWR VWRC0386A, Instruction Manual

Page: 46 / 94

4. Remove the tape covering the end of the nipple and install the 1/8”
NPT brass tee on the open end of the nipple. Place Permagum sealant
between the brass tee and the interior top.
5. Go to the interior and seal around injection assembly with Permagum.
6. Install the transfer hose connecting one end to the injection assembly,
the other end to the solenoid valve. Install the solenoid valve to the
supply source. The solenoid mounting bracket is not required and may
be discarded.
Note When selecting a CO
2
supply cylinder, it must be equipped with a
siphon tube.
s
1. Plug the solenoid/probe connector into the BUS connection. Loop the
probe wire back into the base/side car. Secure the connector with a
screw on the ends of the connector. The connector is keyed.
2. Route the temperature probe through the probe port. The probe port
is located in the upper right corner (viewed from the side) of 12.7 and
20 cu. ft. models, and in the lower right corner (viewed from the back)
of 3.0 and 6.7 cu. ft. models.
7-2 Chest Freezer VWR International
Section 7
Factory Installed Options
Figure 7-2. Injection Assembly
Install Temperature Probe
7ZR%DFNXS
3UREH:LUHV
6ROHQRLG:LUHV
3UREH 3UREH 6ROHQRLG
Figure 7-3. Probe and Solenoid Connections
Install Injection Assembly
(continued)