Mechanical Construction; Sealing - Landis+Gyr E650 Series User Manual

Mechanical Construction

3 Mechanical Construction
3.1

Sealing

Case
D000030110 d – E650 Series 3 (ZMD400AT/CT, ZFD400AT/CT) – User Manual
This section describes the mechanical construction of the ZxD400xT meter
and shows the most common connection diagrams.
The internal construction of the meters is not described here, since they are
protected following calibration and official certification on delivery by a
manufacturer and certification seal. It is not permitted to open the meters
after delivery. The front door is only secured with a utility seal and can be
opened to operate the reset key, to change the battery, to exchange the
tariff face plate with connection diagram or to fit or remove a communica-
tion unit (see Fig. 3.2 and separate user manuals for the communication
units available).
The following drawing shows the meter components visible from outside.
Fig. 3.1 Meter ZxD400xT
1 Combined suspension hanger
(open or concealed)
2 Screw with manufacturer seal
3 Optical test output reactive
energy consumption (red),
ZxD400CT only
4 Optical test output active energy
consumption (red)
5 Liquid crystal display (LCD)
6 Optical interface
7 Screw with certification seal
8 Front section with main face plate
9 Display key "up"
The meter case is made of antistatic plastic (polycarbonate). The upper
part of the case is provided with two transparent plastic viewing windows,
10 Display key "down"
11 Front door tariff face plate
12 Upper part of case
13 Lower part of case
14 Utility seal for front door
15 Terminal cover
16 Terminal cover screws with utility
seals
17 Alert LED
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