Thermo Scientific 902 Operating And Maintenance Manual page 9

Section 1
Installation and Start-Up
1-2 Model 900 and 5900 Series
Wall Bumper
(pre-tapped holes)
Remote Alarm Contacts
Power Inlet
Figure 1-2. Freezer Rear View Components
• Remote alarm contacts
• Power inlet for power cord connection
• Optional BUS connections for probe and solenoid
• RS-232 (default) or RS-485 interface
• Power switch (mains disconnect)
Shelf
Bracket
Sealant
(Caution: This is a critical seal.
Seal must be maintained.)
Figure 1-3. Chamber Probe(s)
Optional Back-up
System Connections
RS-232 or RS-485
Interface
Power Switch
(mains disconnect)
Optional Miscellaneous Accessories Probe
Optional - Recorder Probe/Datalogger Probe
Control RTD/Redundant Type T
Thermocouple Probe
Thermo Scientific