Technical information
Vent 402 – 6721815546 (2021/03)
31
Fig. 42 Supply air unit without heating circuits
[1] Thermostatic valve
Plug the pipes to the heating circuit, flow from PC1 and return to SC21.
Also disconnect the electric connection to PC1.
Requirements for the thermostatic valve ([1], Bild 42):
Remote air sensor to be fitted into the supply air duct.
Maximum temperature range 5-30 °C.
kvs value: 1,2 - 1,6 m
3
/h.
An electric pre-heater in the supply air channel is recommended for
comfort. Electric pre-heater are mandatory if the heat pumps electric
heater is limited to 1 kW.
Put [Only DHW Production] to [Yes] at commissioning.
Table 22 Maximum distance between heat pump and supply air unit
12.9 Supply air heating, without mixing valve
This hydraulic replaces the hydraulic in the TA450 manual.
0010031174-003
1
Pipe dimension Ø 15 mm Ø 22 mm
Distance
1)
1) Pipe length = distance x2
4 m 20 m
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