WSTECH APS Series - Cooling System Check

Original Operating Instructions
APS Series – Outdoor Hybrid Inverter
Maintenance
APS-Series 120 Operating Instructions v320 EN
Page 144 of 213
8.2.6 Condition Check of the Cables and Lines
Maintenance Tasks:
1. Open all doors (Figure 13, Figure 14).
2. Check all cables and lines for damage.
 In case of damage, renew the damaged cables and lines.
8.2.7 Condition Check of the Fuses
Maintenance Tasks:
1. Open doors in Section +C1 (Figure 21).
2. Check if all miniature circuit breakers are in position I.
 If miniature circuit breakers are in position 0, switch miniature circuit
breakers in position I.
3. Open doors in Sections +C1, +C3, +C6 (Figure 13).
4. Check that the motor protecting switches (-F103), (-F104), (-F203), (-F204) in
Section +C1, (-F116) in Section +C3, (-F216) in Section +C6 are in position I.
 If motor protecting switches are in positon 0, switch them in position I.
5. Open doors in Sections +C3, +C6 (Figure 13).
6. Check if LV-fuses of fuse switch-disconnectors are intact.
 If LV-fuses are not intact, renew LV-fuse.
7. Open doors in Sections +C2, +C5 (Figure 14).
8. Check if PV-fuse is triggered.
 If the PV-fuse is triggered, renew PV-fuse.
8.2.8 Check of the Cooling System
8.2.8.1 Visual Inspection
Maintenance Tasks:
1. Check fluid level (Section 4.4.4).
2. Open doors in Sections +C3, +C6 (Figure 13).
3. Check all hose couplings and hose connections for leakage.
 In case of leakage, please contact customer service (Section 11).