Electrical Connections - Bosch TRONIC 3000C Pro US3 Installation Manual And Operating Instructions

10 | Installation
4.3.1 Water quality
Water quality can have an impact on appliance longevity and
may not be covered under the manufacturer's warranty.
▶ For water analysis data call your local water department, or
if on a well, have well water analyzed periodically.
If water quality exceeds one or more of the values specified
below, Bosch recommends consulting a local water
treatment professional for water softening/conditioning
options.
Description
pH
TDS (total Dissolved
Solids)
Total hardness
Aluminum
Chlorides
Copper
Iron
Manganese
Zinc
Table 5
4.4

Electrical connections

WARNING:
▶ The unit must be installed by a qualified
electrician.
▶ The unit must be grounded.
▶ Connect the unit to power.
Rated Voltage
Model (V)
US3 110
US6 277
US7 240
US9 208
US9 240
Table 6
6 720 647 005 (2014/04)
Max. Levels
pH 6.5 - 8.5
mg/l or ppm
mg/l or ppm
(6 grains)
mg/l or ppm
mg/l or ppm
mg/l or ppm
mg/l or ppm
mg/l or ppm 0.05
mg/l or ppm
Rated Current Recommend
(A) Wire Size (AWG)
30 10
25 10
30 10
35 8
40 8
Connecting the unit to power
▶ Strip back the insulation on the power wires about
3/8". Any insulation on the ground should be stripped back
about 3/4".
500
▶ Feed the cable through the cover bottom or backplate rear
entry grommets, as appropriate.
100
▶ Connect the cables to the terminal block and ground stud
(Fig. 4 ):
2.0
250
1.0
0.3
5.0
Fig. 4
[1] Ground
[2] Rubber sleeve
▶ Make sure that all the terminal block screws are tightened
securely. Loose connections can cause wires to heat up.
▶ Make sure that the ground wire is wrapped around its
terminal stud and into the saddle washer. The nut should be
tightened securely.
NOTICE:
When the Tronic 3000C Pro is not within
sight of the electrical circuit breakers, a
circuit breaker lockout or additional local
means of disconnection for all non grounded
conductors must be provided that is within
sight of the appliance. (REF NEC 422.31)
Cable termination
TRONIC 3000C Pro