Installation
Gaz 6000 W – 6720866247 (2019/07)
18
Flipping down the control device
The casing is secured with two screws against unauthorised removal
(electrical safety).
▶ Always secure the casing with these screws.
1. Undo screws.
2. Pull the control device down.
3. Flip the control device down.
Fig. 15 Flipping down the control device
Installing pipework
DANGER:
Contaminated heating water can damage the device!
Residues in the pipework can damage the device.
▶ Flush the pipework before installing the device.
▶ Determine the internal diameter for the gas supply.
▶ All pipe connections in the heating system must withstand a pressure
of 3 bar, and they must be suitable for 10 bar in the DHW circuit.
▶ Service valves
1)
and install the gas isolator
1)
.
▶ For draining and filling the system on site, install a drain & fill valve at
the lowest possible point in the system.
▶ Create a drain line for the pressure relief valve from corrosion-
resistant materials.
▶ Always route hoses with a slope.
5.6 Filling the system and checking for tightness
NOTICE:
Commissioning without water damages the appliance!
▶ Operate this device only when filled with water.
Fig. 16 Connections on the gas and water side (accessories)
[1] Heating flow cock
2)
[2] WBN 6000-.. HR appliances: Cylinder flow,
WBN 6000-.. CR appliances: DHW
[3] Gas isolator
2)
[4] WBN 6000-.. HR appliances: Cylinder return,
WBN 6000-.. CR appliances: Cold water tap
2)
[5] Heating return valve
2)
[6] Hose from the pressure relief valve (heating circuit)
[7] WBN 6000-.. CR appliances: Filling facility
Filling and venting the DHW circuit
▶ WBN 6000-.. CR appliances: Open cold water valve [4] and one DHW
tap until water flows out.
▶ WBN 6000-.. HRAppliances with a DHW cylinder: turn on the external
cold water tap and then turn on a hot water tap until water runs out.
▶ Check all joints for tightness (test pressure: max. 10 bar).
Filling and venting the heating circuit
▶ Set the pre-charge pressure of the expansion vessel to the static head
of the heating system ( page 17).
▶ Open radiator valves.
▶ Open the heating flow [1] and return valves [5].
▶ Fill the heating system to 1 to 2 bar through the drain and fill valve
[7], and then close the drain and fill valve.
▶Bleed radiators.
▶ Open the automatic air vent valve (leave open).
▶ Refill the heating system to 1 to 2 bar and then close the fill and drain
valve again.
▶ Check the joints for leaks (test pressure: max. 2.5 bar at the pressure
gauge).
1) Accessories
1.
1.
2.
3.
2.
3.
2) ACCESSORIES
0 010 005 952-001
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