3BHS212794 E01 REV M ACS6000 USER MANUAL 261/278
10 PREVENTIVE AND CORRECTIVE MAINTENANCE
10.4.16 Testing and replacing air-to-air heat exchangers
• Inspection intervals: see the "ACS6000 preventive maintenance
schedule" (3BHS855273 E01).
• Service during operation: not possible
Figure 10-26 Air-to-air heat exchanger overview (type LT-5-5165-UL)
(1) Ambient fan 2
(2) Ambient fan 1
(3) Internal fan 1
(4) Circuit board location
(5) Internal fan 2
(6) Miniature circuit breaker
(7) Red LED off and green LED on:
(8) Heat exchanger is healthy
(9) Red LED on and green LED off:
(10) Alarm condition
(11) Red LED off and green LED off:
(12) Auxiliary voltage missing
Table 10-3 Air-to-air heat exchanger specifications
Thermostat location Identification
Weight ~65 kg
Length 1025 mm
Width 750 mm
Height 316 mm
1 2
3
4
5
6
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