Labconco Hooded Combination (Macro) Kjeldahl Systems 21178 Series - Manual (Page 12)

Chapter 2: Installation
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Electrical
Hooded 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 Hooded 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. The
following basic steps should be followed:
1. Remove circuit breaker box cover panel.
2. The electrical service is routed through the cabinet in the front-left
corner of the top and down to the electrical panel.
3. Main line lead connection terminals are identified and connections
must be made accordingly.
4. Remote Blower on/off switch can be wired to control the remote
blower from the unit. Remote Blower MUST be on before using the
unit.
5. Line leads to the apparatus must conform to local electrical codes.
6. Provide an electrical ground to the apparatus per code.
7. Before applying power to apparatus, check the electrical panel and
breakers for loose connections.
8. Reinstall box cover panel.
9. Power the breaker box and reset breakers to check circuits in the
apparatus.
10. 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