Service inspection
 | WARNING:
Risk of slipping or falling down.
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| WARNING:
Depending on the installation and operating conditions, a sound pressure level greater than 70 dB(A) may arise. Use appropriate ear protection.
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 | WARNING:
In operation, the heat transfer section and pipe temperatures exceed 45 °C. Contact may cause burns. Use hand protection. Hot air over the unit when the unit is operating. Never work a long time over the unit when it is operating.  |
| WARNING:
Breaks in pressure pipes or components may cause injuries. Do not exceed the unit design pressure. Only perform maintenance work on pressurized parts when the unit is empty.  |
The fluent operation of the AlfaSolar SRTM unit requires regular service. The necessary intervals between servicing depend upon the specific application. The operator stipulates the service interval according to the operating conditions.
| Task | Inspection Interval |
|---|---|
| Check the cleanness and visual condition of the heat transfer section; clean the unit, if needed. | 1 week |
| Check the general liquid cooler conditions | 1 month |
| Check the fans' visual condition and cleanness; clean the fans, if they are dirty. | 1 month |
| Fix the units, fans, fan motors and fan guards. | 1 month |
| When you change the number of fans to control the condenser/liquid cooler capacity stepwise, change the running order of fans periodically. | 1 month |
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Operate the IEC-fans for 3…4 hours during
stand-stills.
During stand-stills, the power of the EC fan remains on (the fans are rotating with the minimum speed). |
1 month |
| Check the vibration level and impeller tip clearance. | 6 month |
| Complete cleaning (coil). | 6 … 12 months |
| Check the device for leaks. | 6 month |
| Check the insulation of the wires for damage. | 6 month |
| EC Fan: Weld the seams for crack formation. | 6 month |
| IEC Fan bearing conditions: Check the replacement interval in the motor
maintenance instructions. If the motor is equipped with re-greasing nipples, the normal lubrication period is 15,000–30,000 h. The grease amount and type are given in the motor nameplate or the motor manual. |
1 year |
| Check the correct deflection of the vibration dampers (when needed, replace the vibration dampers with new ones that Fincoil LU-VE Oy supplies). | 1 year |
| Fasten all the connection terminals correctly. | 1 year |
You can use the liquid cooler top cover plates as a service desk. Alfa LU-VE recommends installing handrails and using safety harness. Solutions for handrails and mounting legs are available from Alfa LU-VE.