3
EI214726 Revision C (KAK) 9 August, 2001
Equipment Installation Instructions
5. Locate the CO2 Tank Change-over Valve assembly provided
in kit. Using the #10-32 screws provided in kit, mount the
valve on unit Control Panel. Location for valve will be
marked “CO
2 Change-over Valve - Tanks A and B”.
6. Locate the two (2) 8 ft line assemblies supplied with the
kit. Attach the end of the line assembly with swivel nut
fitting to the elbow fitting of the two (2) High Pressure
Regulators.
7. Neatly route the opposite ends of the two (2) 8 ft line
assemblies underneath the top of the stand and to the
unit Control Panel. Attach the line coming from the Pri-
mary Regulator marked ”A” to the fitting on the ”A” side
of the Change-over Panel. Attach the line coming from
the Primary Regulator marked “B” to the fitting on the
“B” side of the Change-over Valve (refer to figure 1).
8. Attach the two (2) 8 ft line assemblies to the Multiplex
Refrigeration Unit support stand with the nylon clamp,
screw, and washer provided in kit.
9. Locate the
1
/4" line assembly provided in kit. Attach one
end of the line assembly to the remaining side of the
Change-over Valve. Route remaining end of line assembly
to the CO
2 Supply Manifold. Trim excess line accordingly.
10. Connect the swivel nut adaptor (supplied in kit) to the
end of
1
/4" line assembly. Secure with tab clamp. Route
and connect the line assembly to the CO
2 Supply Manifold
(refer to figure 1).
11. Attach the CO
2 warning label to the side of the Multiplex
Refrigeration Unit (refer to figure 1).
12. Once system is installed, turn the handle of the Tank
Change-over Valve assembly to the “A” position. Turn “on”
the CO
2 tank and allow CO2 to enter the system. Check
the “A” tank pressure gauge. It should read 90 psi (6.2 bar).
If not, adjust the regulator accordingly. Turn the handle
of the Tank Change-over Valve to the “B” position and
repeat this procedure.