Tenney Junior - OPTIONAL EQUIPMENT and FEATURES; 11.0 ALARM and SHUTDOWN CIRCUIT - TempGard IV (Optional); 17.0 LinkTenn32 SOFTWARE (Optional); CHAMBER OPERATION & MAINTENANCE

TENNEY ENVIRONMENTAL
Tenney Junior Test Chambers: Models TJR and TUJR, W942, or WF4
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OPTIONAL EQUIPMENT and FEATURES
11.0 ALARM and SHUTDOWN CIRCUIT - TempGard IV (Optional)
11.1 System Description ________________________________________________________ 25
11.2 Special Hookup of TempGard IV for Model TJR ONLY _____________________________ 26
11.3 Circuit Operation __________________________________________________________ 27
11.4 TempGard IV Alarm Setpoint Entry ____________________________________________ 28
12.0 BOOST HEAT (Optional) __________________________________________________ 29
13.0 DRY AIR PURGE SYSTEM (Optional) ________________________________________ 30
14.0 GN2 PURGE AIR SYSTEM (Optional) ________________________________________ 31
15.0 LN2 BOOST COOLING SYSTEM (Optional) ___________________________________ 32
16.0 CO2 BOOST COOLING SYSTEM (Optional) ___________________________________ 33
17.0 LinkTenn32 SOFTWARE (Optional) __________________________________________ 34
18.0 CHART RECORDER (Optional) _____________________________________________ 35
CHAMBER OPERATION & MAINTENANCE
19.0 SEQUENCE of OPERATION ________________________________________________ 36,37
20.0 PREVENTATIVE MAINTENANCE ____________________________________________ 38,39
21.0 SERVICING CASCADE REFRIGERATION SYSTEMS ____________________________ 40-43
22.0 CHAMBER TROUBLESHOOTING GUIDE ______________________________________ 44,45
SUPPLEMENTAL INSTRUCTIONS
Revision History
♦ Original Document Dated 04/27/04