Thermo Scientific STD5000, User Manual

Page: 14 / 44

Installation & Wiring
Electrical Connections
2-4 STD5000 & STD6000 User Guide Thermo Fisher Scientific
Electrical
Connections
lectrical
Connections
Warning All wiring must be made in accordance with all local and
national codes appropriate to the area in which the instrument is
installed.
▲
Note Observe polarity: Reverse polarity will not damage the unit but will
prevent it from operating.
▲
Refer to the dimensional drawings and the following figure and
instructions:
1. The instrument is supplied with two ½-inch FNPT electrical conduit
connections. Insert a ½-inch FNPT pipe plug into the unused
connection. Note that the pipe plugs are certified and suitable for the
maintenance of the product’s certification rating and protection
concept.
2. A two-position “Barrier Type” terminal block with wire-ready #6-32
screws is supplied for 12–22 AWG wire. The terminal blocks accept
spade lugs or stripped wire. Strip wire approximately ¼-inch before
insertion. The terminals are l and - on the E-Pi label.
3. The earth ground wire, connected to the ground screw, must be
terminated using a spade lug for proper installation.
Figure 2–4. PCB connections