Installation manual
M-WRG-II ventilation units
- 40 -
Meltem Wärmerückgewinnung GmbH & Co. KG
Am Hartholz 4 · D-82239 Alling
[email protected] · www.meltem.com
VENTILATION THE RIGHT WAY
V E N T I L A T I O N & H E A T R E C O V E R Y
11.7
Connecting the mains cable and control cable (if used)
DANGER
Potentially fatal voltages
—
The electrical installation work must only be carried out by a qualified electrician.
— The VDE regulations or any special safety regulations applicable in your country
apply to the electrical installation work.
►
Before starting installation or maintenance work, disconnect the mains cable for
connecting to the ventilation unit on all poles from the mains supply.
► Observe the five safety rules (DIN VDE 0105-100, EN 50110-1) for working on elec
-
trical systems:
— Disconnect from mains (all-pole disconnection of a system from live parts)
— Secure against reconnection
— Check that the system is voltage-free
— Earth and short-circuit
— Cover or block off access to adjacent live parts
NOTICE
— The ventilation unit may be
damaged if the mains or control
cable is connected incorrectly. This
will also invalidate the warranty.
— No protective earth (PE) conductor
is required.
►
Connect the neutral conductor N
(item N in Fig. 47) and the outer
conductor L (item L in Fig. 47) to the
connector (item 1 in Fig. 47) in the
ventilation unit.
►
If used, connect the wire for the
external control input (item S in
►
If used, connect the control cable to
the terminal block (item 2 in Fig. 47)
on the connection board (only on
certain ventilation units, see Table 4
in section 10.9 on page 29).
NOTICE
Connection of the control cable is
described in separate installation
manuals.
Fig. 47: Connecting the mains cable and control cable
(if used)
L
N
S
1
2