Vaillant auroTHERM VFK 900, Руководство по запуску, обслуживанию и устранению неисправностей

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43 Manual - Solar hot water systems 0020009607_02
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Fig. 5.22 Removal of the cylinder thermostat
Key
1 Cylinder thermostat
2 Lock
3 Capillary tube
• Undo the lock ( 2 ) of the cylinder thermostat ( 1 ) and
take it out of the terminal box.
• Remove the capillary tubes ( 3 ) of the cylinder thermo-
stat and thermal cut out from the immersion sleeve of
the solar cylinder.
• Make sure the two capillary tubes of the controller for
the immersion heater have not been removed.
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Fig. 5.23 Installation of the VR 10 temperature sensor
• Push one of the VR 10 temperature sensors ( 1 )
supplied with the solar control in the now vacant
immersion sleeve, as illustrated in Fig. 5.23.
• Connect this temperature sensor to terminal “SP 1” in
the auroMATIC 560 solar control.
• Push a further VR 10 temperature sensor ( 3 ) in the
immersion sleeve for the bottom cylinder area.
• Connect this temperature sensor to terminal “SP 2” in
the auroMATIC 560 solar control.
• Attach the temperature sensor for the gain ( 2 ) to the
return pipe of the solar circuit nearby the solar
cylinder.
• Connect this temperature sensor to the terminal
“Ertrag” in the auroMATIC 560 solar control.
• Make sure the temperature sensors of the immersion
heater, solar cylinder and solar control fit properly in
the immersion sleeves.
• Connect the collector temperature sensor to terminal
“Kol 1” in the auroMATIC 560 solar control.
• Establish the connection between the terminal “EP” in
the auroMATIC 560 solar control and the terminal
“Cyl.” in the Control Center VR 65.
• Establish the eBUS connections from the boiler and
VRT 360 to the Control Center VR 65.
The electrical connection of the VR 65 is described in
the VR 65 installation manual (item no. 00 2000 7476),
the connection of the VRT 360 in the operating and
installation manual of the VRT 360 (item no. 838 568).
Installation 5