Troubleshooting; Technical Data - Nibe MODBUS 40 Installateurhandbuch

GB
Example of parameter addresses
Parameter
Outdoor temperature (BT1)
Flow temperature (BT2)
Return temperature (BT3)
Hot water, top (BT7)
Hot water middle (BT6)
Brine in (BT10)
Brine out (BT11)
Room temperature (BT50)
Degree minutes

Troubleshooting

MODBUS 40 has no contact with the heat
pump/indoor module (does not respond)
MODBUS 40 is not activated in the heat pump/indoor
module menu 5.2 (menu 5.2.4 for NIBE F1345 and
VVM500).
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 at www.nibe.se/kom-
munikation. Click "ModBus-protocol" and
download the PDF file "FAQ ModBus 40".

Technical data

Technical specifications
Rated voltage
Part No.
Dimensions
16
Register ad-
dress
40004
40008
40012
40013
40014
40015
40016
40033
43005
12 VDC 45-80 mA
067 144
154 x 108 x 40 mm