Commissioning
Alyza IQ PO4
52
ba76201d03
05/2020
Opening the power
box
(to connect the
heat tracing)
In the delivery condition, the power cable (2 m length) is connected to the termi-
nals in the power supply box of the Alyza IQ and is run outside through the hous-
ing bottom of the Alyza IQ.
The power cable is delivered without plug. It is designed to be directly connected
to the power supply. Note the safety requirements (see section 3.3.2 Safety re-
quirements of the electrical installation,
If a heat tracing is connected, a fault current protection switch (ground fault cir-
cuit interrupter) and a fuse must be installed additionally.
To connect to the power supply box a heat tracing or power cable, the mounting
plate has to be removed.
WARNING
If the power supply is connected incorrectly, there may be
danger to life from electric shock.
Pay attention to the following points during installation:
The power supply box may only be connected to the
power supply by a qualified electrician.
The power supply box may only be connected to the
power supply when it is not carrying any voltage.
The power supply must fulfill the specifications given
on the nameplate and in chapter 7 Technical data,
The power supply of the heat tracing must fulfill the
specifications given on the heat tracing (240 VAC or 120
VAC).
To operate a heat tracing line, a fault current protection
switch (ground fault circuit interrupter) has to be in-
stalled.
The power cable must meet the requirements according
to the technical data (see section 7.4,
163).
If necessary, you can install a longer power cable in the power sup-
ply box (see section 3.3.13 Connecting the power cable and heat
tracing lines,
50). When doing so, note the requirements of the
power cable (see section 7.4 Electrical data,
Install an additional external power interrupter to be able to switch
the power supply box potential free from outside.
1
Open the outer housing door far enough so the arrestable brake-stay
(on the lower right side of the housing) catches.
2
Open the inner housing door far enough so that it touches the outer
door. Tilt the angular sheet (at the inside of the outer door) over the
upper edge of the inside door.
Summary of Contents for WTW Alyza IQ PO4
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