Notes on the documentation This manual provides important information for a safe and correct operation of the solar filling unit Solarcheck Mobilcenter UNISTAR 2000-A and Solarcheck Mobilcenter UNISTAR 2000-B. The manual is designed for qualified personnel who are trained and specialised in installing heating systems.
ZUWA SOLARCHECK MOBILCENTER 2.2 General safety instructions Store these instructions in such a way that they are accessible at all times for operating personnel! In addition to these operating instructions the following documents of related components and of the pumping media should be applicated:...
ZUWA SOLARCHECK MOBILCENTER Material damage due to dry running > Never allow the pump to run dry for more than 1 minute. Caution Material damage due to tilting of the cart on uneven ground > Operate the filling unit only on even ground.
ZUWA SOLARCHECK MOBILCENTER 4. Mounting and commissioning 1. Connect filling hose to pump outlet. 2. Connect return hose to tank. 3. Connect filling hose (1) and return 4. Fi ll tank and open ball valve hose (2) to the fill/vent valves and open valves.
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ZUWA SOLARCHECK MOBILCENTER 7. Open tank lid to ensure the circulation of the air. Caution: Monitor fluid level in the tank and, if necessary, refill heat transfer fluid to prevent air entering the solar circuit. 8. Flush the solar circuit with the fluid.
ZUWA SOLARCHECK MOBILCENTER 5. End of operation After filling and flushing the solar system: > Switch off pump. > Close fill and vent valve (1+2) at the solar s tation. Open sto p valve (3) between fill and vent valve.
ZUWA SOLARCHECK MOBILCENTER 6.3 Disassembling the pump Disconnect line connections Unscrew bolts on the pump side Remove cover and side disc Pull housing with impeller and rear side disc off the shaft 6.4 Replacing components Impeller Intake Outlet To change the impeller we recommend to use a special tool.
ZUWA SOLARCHECK MOBILCENTER 7. Troubleshooting Fault Possible cause Remedy Pump does not take in Intake line is not leaktight Seal connection or line liquid Impeller worn or damaged Replace impeller Suction line or foot valve is Clean suction line or foot...
Remote control with 10 metre cable Tool for changing the impeller A useful tool to install the impeller easily into the casing. Suitable for all ZUWA impellers. Order No.: 110 124 00 tool for changing the impeller...
ZUWA SOLARCHECK MOBILCENTER 10. Technical data Solarcheck Mobilcenter UNISTAR 2000-A UNISTAR 2000-B Voltage 230 V 230 V Frequency 50 Hz 50 Hz Maximum power consumption 370 W 550 W Maximum fluid temperature 80 °C 80 °C Approved pumping media water, heat transfer medium...
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Parts List Solarcheck Mobilcenter UNISTAR 2000-A Parts List Solarcheck UNISTAR 2000-A 50-53 Parts list Position Part / Designation Code Number Chassis 13405110BT Inflatable wheel 80120 30 litre tank 13405 Steam hose extension 13 x 6, 3m complete 131123 T-piece brass 3 x ¾" internal thread 80110 Reducer plug ¾"...