KlimaNET module connected to a Daikin indoor unit

KlimaNET — industrial connectivity for your Daikin units

Connect your Daikin air conditioners to your network and control them over standard industrial protocols. No cloud, no wiring — installed directly via the S21 service port.

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Why KlimaNET

Everything essential in one module

Industrial protocols, full control over your data, and installation in minutes.

Wiring-free installation

Connects directly to the Daikin unit's S21 service port — quick installation with no changes to existing wiring.

SNMP v2/v3 · Modbus TCP · HTTP/S

Standard industrial protocols for integration into BMS, monitoring, and supervisory systems.

100% on-premise, no cloud

All data stays on your network. No external servers — full control and privacy.

Technical parameters

A compact module — mounted directly inside the Daikin indoor unit.

Interfaces
DAIKIN S21 · Ethernet 10/100 (RJ45)
Protocols
SNMP v2c/v3, Modbus TCP, HTTP/S
Power
Via the S21 connector — no external supply
Dimensions
20 × 31 × 95 mm · 55 g
Compatibility
Daikin split / multisplit
Close-up of the KlimaNET module

Compatibility

Which air conditioners KlimaNET supports

KlimaNET connects via the S21 interface. S21 availability depends on the specific Daikin model and PCB revision — see the overview of series and their status below.

SeriesExample modelsStatus
Ururu Sarara (FTXZ-N)FTXZ25/35/50NA · Direct S21
Emura (FTXG-L / FTXJ-L)FTXG / FTXJ 20–50LV1BA · Direct S21
FTXS-KFTXS35/42/50KA · Direct S21
FTXM-KFTXM35/42/50KA · Direct S21
Perfera (FTXM-A)FTXM-AC · Verify model
Stylish (FTXA-C/D)FTXA-C / FTXA-DC · Verify model
Emura (FTXJ-A)FTXJ-AC · Verify model
Comfora (FTXP-N)FTXP-NC · Verify model
Sensira (FTXF-F / FTXC-E)FTXF-F / FTXC-EC · Verify model
FTX-KVFTX50/60KVB · Via adapter
Legend:A — S21 directly on the unit's PCBB — S21 via a Daikin adapterC — verify exact model / PCB revision

Compatibility depends on the specific model and PCB revision. S21 may be available directly on the PCB or via a compatible Daikin adapter. Always verify the exact indoor-unit model code before installation.

Didn't find your model? Write to us and we'll verify your unit's compatibility.

Contact

Verify compatibility or ask a question

Write to us — we'll gladly help you choose the right unit and confirm compatibility of your Daikin.