Fig.63 O
interface connections for cascade
MW-3000042
DB.MB DB.MB DB.MB
To make the connections between the various M
and D
connectors,
use a shielded cable with the following specifications:
Type Cross section Maximum length
HAR H05 VV-F
2 x 1.5 mm
2
200 m
6.7 Filling the system
6.7.1 Filling the heating system
Before filling the heating system, rinse it thoroughly.
Flushing an existing installation, page 55.
Flushing new systems and systems less than 6 months old,
page 55.
In many cases, the heating circuits can be filled with mains water, without
treating the water.
Water treatment, page 23
.
1. Fill the heating system until you reach a pressure of between 1.5
and 2 bar (0.15 and 0.2 MPa).
2. Check the tightness of the hydraulic connections.
3. Completely vent the heating circuit for optimum running.
Flushing new systems and systems less than 6 months old
1. Clean the installation with a powerful universal cleaner to eliminate
debris from the appliance (copper, hemp, flux).
2. Thoroughly flush the installation until the water runs clear and shows
no impurities.
Flushing an existing installation
1. Remove any sludge from the installation.
2. Flush the installation.
3. Clean the installation with a universal cleaner to eliminate debris
from the appliance (copper, hemp, flux).
4. Thoroughly flush the installation until the water runs clear and shows
no impurities.
6 Installation
7609474 - v02 - 04092014 55
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