Landis+Gyr E650 Series User Manual page 57

Installation and De-Installation
D000030110 d – E650 Series 3 (ZMD400AT/CT, ZFD400AT/CT) – User Manual
Fig. 4.18 Condition of test terminal block before removing meter (terminal
layout according to DIN)
5. Remove the connecting wires of the signal inputs and outputs from the
screwless spring-loaded terminals as follows:
– Place a size 1 screwdriver in the upper opening and insert it turning
slightly upwards (Fig. 4.19 A).
– Then draw the wire from the lower opening (Fig. 4.19 B).
– Withdraw the screwdriver (Fig. 4.19 C).
Fig. 4.19 Removing connections in screwless spring-loaded terminals
Damage to terminals
Never withdraw connecting wires from closed terminals. The terminals
could be damaged.
6. Release the terminal screws 1 to 11 of the phase connecting wires
with a suitable screwdriver and withdraw the phase connecting wires
from the terminals.
7. Fit a substitute meter as described in section 4.3 "Connecting Meter"
and the following chapters.
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