Ambirad NRV12LR, Installation Instructions Manual, Page: 25 / 28

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Table 10. Local Relay Unit
Fan Size B80 B160 B300 BH300
LRU part number 900274 900088 900089 900282
Inverter type kW 1.5 1.5 2.2 n/a
Supply to LRU V/Hz/P 230~50/1 230~50/1 230~50/1 400~50/3
Line Current A 14.8 14.8 20.8 n/a
Motor Current A 4.2 5.6 7.8 7.2
Fuse Rating A 22 22 30 n/a
Acceleration Time s 25 25 25 n/a
Deceleration Time s 25 25 25 n/a
Table 11. Fan Noise Data
Fan Size B80 B160 B300 BH300
Noise level @ 3m below fan
db(A) 63 64 65 68
NR±2 57 58 59 62
Noise level @ 3m below fan
with motor muff
db(A) 62 63 64 66
NR±2 56 57 58 60
Noise level @ 3m below
in acoustic enclosure
db(A) 51 53 55 58
NR±2 45 47 49 52
Flue horizontal/vertical @ 3m
db(A) 69 72 75 77
NR±2 63 66 69 71
db(A) 56 57 58 58
NR±2 50 51 52 52
Flue horizontal/vertical @ 3m
With exhaust silencer
Table 9. Fan Details
Fan Size B80 B160 B300 BH300
Fan part number 201760 201761 201762 201763
Motor (TEE) QS 80M2B H QS 90S2A-40H QS 90L2A H QS 112M2A H
Power kW 1.1 1.5 2.2 4.0
Supply to Fan V/Hz/P 230~50/3 230~50/3 230~50/3 400~50/3
Run Current A 4.38 5.6 8.48 7.2
Start Current A n/a n/a n/a 54.0
Speed RPM 2850 2860 2840 2880
Inverter
∆ ∆ ∆
∆
D.O.L.
Flow rate @ 20°C m³/h 368 736 1380 1380
Flow rate @ 150°C m³/h 259 519 972 972
Pressure mbar 29 29 29 42
Max Operating Temp. °C 200 200 200 200
Weight kg 45 52 58 75
Wired