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DRT-370D user manual
Shanghai Fengyilong Electronic Co. Ltd.
www.china-meters.com
-6-
Email:sale02@china-meters.co
m
021-60975591/ 60975592
1.7 Dimensions
Height
140mm
Height without protection cover
90 mm
Width
70 mm
Depth
64 mm
Size of connection clamp(L
×
H)
8
×
8mm
Size of connection clamps(Diagonal)
11.3mm
Weight
0.42 Kg (net)
1.8 Installation
CAUTION
¾
Turn off and lock out all power supplying the energy meter and the
equipment to which it is installed before working on it.
¾
Always use a properly rated voltage sensing device to confirm that power is
off.
WARNING
¾
Installation should be performed by qualified personnel familiar with
applicable codes and regulations.
¾
Use isolated tools to install the meter.
¾
Fuse or thermal cut-off or single-pole circuit breaker can’t be fitted on the
supply line and not the neutral line.
-
We recommend that the connecting wire which is used to connect the meter to
outside circuit should be sized according to local codes and regulations for the
ampacity of the circuit breaker or over current device used in the circuit.
-
An external switch or a circuit-breaker should be installed on the inlet wire,
which will be used as a disconnection device for the meter. And there it is
recommended that the switch or circuit-breaker be near the meter so that it is
convenient for the operator. The switch or circuit-breaker should comply with
the specifications of the building electrical design and all local regulations.
-
This meter can be installed indoor directly, or in a meter box which is waterproof
outdoor, subject to local codes and regulations.
-
To prevent tampering, secure the meter with a padlock or a similar device.
-
The meter has to be installed against a wall which is fire resistant.
-
The meter has to be installed in a good ventilated and dry place.
-
The meter has to be installed in a protection box when placed in dangerous or
dusty environments.
-
The meter can be installed and used after being tested and sealed with a letter
press printing.
-
The meter can be installed on a 35mm DIN rail.
-
The meter should be installed in an available height so that it is easy to read.
-
When the meter is installed in an area with frequent surges due to e.q.
thunderstorms, welding machines, inverters etc, protect the meter with Surge