ABB AquaMaster Explorer, Installation Manual, Page: 16 / 31

14
3.2 Connections
3.2.1 Sensor Terminal Box Connections (Remote Versions only) – Fig. 3.10
Caution. (Remote versions)
• Remove foil screens completely, and plastic/foil screens and any fillers
• Twist the three screen wires together and sleeve them.
• Keep cable pairs twisted.
• Make connections only as shown.
• Maintain Environmental Protection at all times.
• Conduit connections must provide cable entry sealing.
…3 ELECTRICAL INSTALLATION
3.2.2 Environmental Protection – Fig 3.11
Warning.
• Potting materials are toxic – use suitable
safety precautions.
• Read the manufacturers instructions carefully
before preparing the potting material.
• The remote sensor terminal box connections
must be potted immediately on completion to
prevent the ingress of moisture.
• Check all connections before potting – see
ELECTRICAL INSTALLATION.
• Do not overfill or allow the potting material to
come into contact with ‘O’ rings or grooves.
• Do not let potting material enter conduit, if
used.
Fig. 3.11 Potting the Terminal Box
Fig. 3.10 Sensor Terminal Box Connections (Remote Version)
CABLE
ABB
Violet
Blue
Green (Sleeved Ground)
Yellow
Orange
Red
Brown
Maximum Cable Lengths
STT 4000 Series:

80 m
STT 4005 Series:

250 m
Belden 8777:

80 m
Belden 8777
White
Black
Sleeved Ground
Red
Black
Green
Black
Caution . With Belden Cable 8777, ensure that the black wires are
not interchanged and remain with the associated pair.