Despatch 926E Equipment Manual (C-155)Rev 2/11 - Manual (Page 12)

7
6. Install the power cord.
The 920 series units are equipped with a 20 amp, 120 volt rated plug designed to
be plugged into a Hubbell Model 5362, or equal, receptacle. This plug is
required by the NEC and will provide necessary protection for this chamber
installation.
The 930 series are equipped with a
30 amp, 120 volt rated plug
designed to be plugged into a
Hubbell Model 9308, or equal
receptacle. This plug is required by
the NEC and will provide necessary
protection for this chamber
installation.
7.
Connect the appropriate LN
2
or CO
2
supply to the fittings provided on the
chamber.
8.
CO
2
/LN
2
Venting. The room must be ventilated sufficiently to ensure that the
oxygen level in the vicinity of the chamber will be maintained above 18% and
the CO
2
level will be maintained below 0.5% at the expected N
2
or CO
2
usage
levels. If critical ventilation cannot be maintained, the exhaust port must be
connected to an exhaust system which will vent the nitrogen or CO
2
out of the
facility. The exhaust port is on the rear of the unit. NOTE: exhaust temperature
may reach as high as 150

C (300

F).
CO
2
/LN
2
consumption estimates are listed in the section titled “Performance
Characteristics”.
WARNING: WARNING: If your receptacle cannot
accommodate these plugs, your wiring
and/or receptacle must be upgraded to
allow this plug to be used. If the plug is
modified, this equipment will not meet code
and could result in a wiring and/or
receptacle overload. Failure to heed this
warning can result in wiring and/or
receptacle overheating, fire and/or property
damage, personal injury or death.
WARNING: Nitrogen and carbon dioxide
gases can cause asphyxiation and death if
used in confined, poorly-ventilated areas.
WARNING: Nitrogen and carbon dioxide
as liquid or cold gases can cause freeze
burns of the eyes and skin.