Preparing The Connections - Viessmann VITODENS 200-W Installation Instructions Manual

Vitoden 200-W installation

Preparing the connections

Note
For dimensions for on-site preparations of the gas and water connections see "Overall
Appliance Dimensions" on page 9
1. Prepare the hydraulic connections.
2. Clean and flush the heating system
to BS 7593. Use only the following
approved additives.
Sentinel or Fernox
• Anti-scaling
• Anti-bacterial
• Anti-freeze
- Glycol (30% max)
• Anti-corrosion
• Cleaner
The use of non approved additives will
invalidate the warranty on this product.
Do not use non approved additives or any
chemicals from the following list.
• Boiler noise silencer
• Leak sealer
• Fuel, Oil, Grease, Washing powder
/liquid
• Pipe jointing compound (like boss white
or boss green, Sentinel)
• Anti-blockage
Note
Additive combinations are permitted only if
approved additive suppliers recommend it
and always according to suppliers' dosage
recommendation.
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3. Prepare gas connection to BS 6891
4. Prepare the electrical connections
• Mains cable: H05V2V2-F 3 G
0.75 mm 2 , 230 V~, 50 Hz.
A 1.5m power cable is part of
the standard delivery.
• Accessory cables: H05V2V2-F 3 G
0.75 mm 2 for connection of room
temperature control and DHW
cylinder control (system boiler).