Data Sheet for Product

15
Siemens
A6V12068497_en--_b
Smart Infrastructure
2021-12-15
Application setup based on selection of fresh air unit
Settings of these parameters, P02, P24 and P25 determine RDF270 functionality:
P02 ON, FAU
-ECO, OFF
P24 bypass
P25 EXT/INT
Available function & user adjustment
Typical applications /
equipment
Factory settings
1
0
0
● Operating mode ( ): ON, OFF
● Fan speed: 1, 2, 3
● Air circulation mode is fixed:
1. External without bypass only
Single duct fresh air unit
(FAU)
1
1
0
● Operating mode ( ): ON, OFF
● Fan speed: 1, 2, 3
● Air circulation mode via manual selection:
1. External without bypass
2. External with bypass
Dual duct FAU only
1
0
1
● Operating mode ( ): ON, OFF
● Fan speed: 1, 2, 3
● Air circulation mode via manual selection:
1. External without bypass
2. Internal
1
1
1
● Operating mode ( ): ON, OFF
● Fan speed: 1, 2, 3
● Air circulation mode via manual selection:
1. External without bypass
2. External with bypass
3. Internal
2
0
0
● Operating mode ( ): ON, OFF (since P25 = 0, no ECO mode)
● Fan speed: 1, 2, 3
● Air circulation mode is fixed:
1. External without bypass
Single duct fresh air unit
(FAU)