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Service Valve
Connections
Thermo Scientific
Install the service valve(s) by
removing the centers of the plug
(brass) or piercing it at the
pre-determined location (plastic).
Installation spacing on side of
unit is indicated in Figure 2-4.
Note The plugs must only be
used for the installation of service
valves in accordance with the
applicable national regulations.
At each side panel, service valves can be installed through the three service
valve port plugs (P/N 249095-exterior port plug, 249096-interior port
plug).
1. Move the front window to the fully open position.
2. Turn the unit off and disconnect it from the power source.
3. Score the plug circularly at the pre-determined point (inside and
outside). Remove the centers.
4. Referring to Figure 2-5 on the following page, slide the bezel onto the
threaded pipe of the service valve. Apply a thin bead of silicon to the
inner flange of the service valve.
5. From inside the sample chamber, slide the service valve through the
desired plug.
6. From the outside, slide the washer onto the service valve threaded pipe
and apply a thin bead of silicon to the outer flange of the service valve.
7. Secure the service valve to the side panel using the nut.
8. Establish the connection to the supply line using a union nut.
Note If a service valve is removed, the service valve port plug should be
re-installed.
s
Service valve
port plugs
5" (12.7 cm)
SmartPort
5.5"
(14 cm)
8.9"
(22.6 cm)
10.2"
(25.9 cm)
s
Figure 2-4. Valve Location
Section 2
Installation
2" (5.1 cm)
5"
(12.7 cm)
4"
(10.2 cm)
1500 Series A2
2-5
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