Rotex GSU 320, Руководство по эксплуатации

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6 x Faults and malfunctions
35 BA ROTEX GSU - 09/2007
6.4 Emergency operation
Note the following for emergency operation if the valve drive is faulty:
• Press the unlocking key (Fig 6-1, item. 5.2) and rotate the motor head of the valve drive (Fig 6-1, item 5.1) 1/4 turn to the
left and remove.
Î The 3-way switch valve is set to the "Heating" position.
Note the following for the temporary manual parallel operation of the heating circuit and the hot water storage tank:
• Pull the 6-pin plug out on the valve drive.
• Move the switch valve to the middle position using the hand lever (Fig 6-1, item 5.3). (Only possible if the valve drive was
previously set to the "Heating" position.
In the event of failure or incorrect settings of the electronic control, emergency heating operation can be maintained.
• Press the manual button on the controller for about 5 sec.
Î The indication "Manual operation" appears on the display.
• Adjust the desired temperature with the rotary switch (setting range 5 - 80 °C).
In manual operation, the 3-way switch valve is in the "Storage tank charging" position first. On reaching the maximum adjustable
storage tank temperature, the 3-way switch valve moves to the "Heating" position.
1 Boiler inflow
2 Heating inflow
3 Inlet, storage tank charging
4 3-way diverting valve
5.1 Valve drive
5.2 Release button for drive locking device
5.3 Hand lever
Figure 6-1 3-way diverting valve
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