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Nibe F1245 Service Manual

Nibe F1245
80 pages
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Alarm 54 – motor protection
Has the miniature circuit breaker
(FC1) tripped?
YES
YES
YES
Is/are wiring/terminals intact from
the terminals -X2 to the
compressor (GQ10)?
Is/are the wiring/connections intact
to soft start (AA10)?
Action.
NO
NO
Action.
Is the compressor's current
consumption normal?
NO
Replace the compressor.NO
Replace miniature circuit breaker.
YES
Check that incoming phases are
powered.
Alarm 70 - perm. com.error input card
Is the wiring connector (W105)
correctly connected on input circuit
board (AA3-X2) and on the display
card (AA4-X8)?
YES
YES
Has the fault been corrected?
Replace the input circuit board
(AA3).
Replace the display card (AA4).NO
Action.NO
OK.
45Chapter 6 | TroubleshootingF1245

Table of Contents

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User Manual88 pages
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Installer Manual88 pages
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Nibe F1245 Specifications

General IconGeneral
RefrigerantR410A
Control SystemNIBE SMO 40
Dimensions (HxWxD)1800 x 600 x 620 mm
Energy Efficiency Class Heating 35°CA++
Energy Efficiency Class Heating 55°CA++
Heating Capacity5-12 kW
COP Heating4.5
Integrated Hot Water Tank180 liters
Power Input Heating1.0 - 3.0 kW

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