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Samsung Compatibility:

R410A GAS ONLY

AC###HBHFKH/SA - 5kW to 14Kw

Can use RA, Zones, Master or RF as controlling sensor

Polarity is critical see below, for correct connection

  • Connect a shielded, 2 core, twisted pair control cable from the  C225 / C325S to the F3 / F4 in the fan coil unit. This cable is supplied by the installer

1️⃣ FCU control box

2️⃣ FCU F4

3️⃣ FCU F3

4️⃣ C225 module: Ensure a C325S interface module is connect to the C225 module

5️⃣ C225 F3

6️⃣ C225 F4

7️⃣ Shielded, 2 core twisted pair: This cable is not supplied by iZone

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