Electrical – Labconco Open Combination (Macro) Kjeldahl Systems 2123Series User Manual
Page 11

Chapter 2: Installation
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Electrical
Open Combination Macro-Kjeldahl Systems have been wired at the factory per
the product model number ordered by the customer. Labconco model numbers
ending in -11 are 115 volts. Model number ending in -12 are 230 volts. Models
ending in -13 are 230 volt, three phase. Amperage requirements vary depending
on the number of heaters per the digestion rack. The tables below provide the
voltage and amperage electrical requirements for the Open Combination Macro-
Kjeldahl Systems. A qualified electrician will need to connect the facility
electrical supply to the main breaker box with its individual circuit breakers and
the remote blower to the on/off switch (if desired) on the unit. The following
basic steps should be followed:
1. Remove circuit breaker box cover panel.
2. Main line lead connection terminals are identified and connections
must be made accordingly.
3. Line leads to the apparatus must conform to local electrical codes.
4. The Remote Blower can be wired to the on/off switch on the unit to
control the remote blower from the unit. Remote Blower MUST be on
before using the unit.
5. Provide an electrical ground to the apparatus per code.
6. Before applying power to apparatus, check the electrical panel and
breakers for loose connections.
7. Reinstall box cover panel.
8. Power the breaker box and reset breakers to check circuits in the
apparatus.
9. All electrical wiring and connections must conform to local codes and
should be performed by qualified electricians. An earth ground must
be provided.
Figure 2-2
P/N AC Electrical Code
6-PL
12-PL
18-PL
-11 115v, single phase, 60 Hz
65 amp
-12 230v, single phase, 60 Hz
35 amp
66 amp
96 amp
-13 208/230v, three phase, 60 Hz
20 amp
38 amp
56 amp