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Troubleshooting; Technical Data - Nibe MODBUS 40 Installateurhandbuch

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GB

Troubleshooting

MODBUS 40 has no contact with the heat
pump/indoor module (does not respond)
MODBUS 40 is not activated in heat pump/indoor
module menu 5.2 (menu 5.2.4 for NIBE F1345,
VVM 310, VVM 320, VVM 325 and VVM 500).
Incorrectly connected cables between MODBUS 40
and heat pump/indoor module. Gives a communica-
tion alarm in the heat pump's/indoor module's dis-
play.
Incorrect software in the heat pump. The software
version in the heat pump must be higher than 3000.
NOTE
Find more information about MODBUS 40 at
www.nibe.se/kommunikation.
20

Technical data

Technical specifications
Rated voltage
Part No.
Dimensions
12 VDC 45-80 mA
067 144
154 x 108 x 40 mm

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