Start-Up; Preliminary Checks; Start-Up Sequence - CLIVET MSAT-XEE Serie Manual De Instalacion Y Uso

6

Start-up

6.1 General description
The indicated operations should be done by qualified technician with specific training on the product.
Upon request, the service centres performing the start-up.
The electrical, water connections and the other system works are by the installer.
Agree upon in advance the star-up data with the service centre.
Before checking, please verify the following:
•
the unit should be installed properly and in conformity with this manual
•
the electrical power supply line should be isolated at the beginning
•
the unit isolator is open, locked and equipped with the suitable warning
•
make sure no tension is present
After turning off the power, wait at least 5 minutes before accessing to the electrical panel or any other electrical component.
Before accessing check with a multimeter that there are no residual stresses.

6.2 Preliminary checks

For details refer to the different manual sections.
Unit OFF power supply
1. safety access
2. functional spaces
3. refrigerant line section
4. length of the refrigerant lines
5. height difference in the cooling < 15 m
6. siphon on the gas line every 6 meter back up
7. vacuum and additional charge
8. visual check for oil / leaks
9. air flow: correct return and supply (no bypass, no stratification)
10. structure integrity
11. fans run freely
12. unit on vibration isolators
13. refrigerant circuit visual check
14. earthing connection
15. power supply features
16. electrical connections provided by the customer

6.3 Start-up sequence

For details refer to the different manual sections.
Unit ON power supply
1. off-load voltage measure
2. compressor crankcase heaters operating at least since 8 hours
3. phase sequence check
4. shut-off valve refrigerant circuit open
5. unit ON
6. load voltage measure and absorptions
7. liquid sight glass check (no bubbles)
8. check all fan operating
9. measure super-heating and sub-cooling
10. check no anomalous vibrations are present
11. complete and available unit documentation
14 MSAT-XEE 8.2-30.2 M09G60E14-04