Structure / duct connections

Fig.: WS 320 KBL/KBLET in left-hand version.
WS 320 KBR/KBRET in right-hand version, mirror-inverted.

I

Outside air

II

Supply air

III

Exhaust air

IV

Outgoing air

1

Control unit RLS 1 WR. Alternative control units: RLS T1 WS, RLS T2 WS or RLS G1 WS.

2

Supply air temperature sensor

3

Main switch

4

Cable feedthrough for power cable

5

Cable feedthrough for connection cables, control unit and accessories (outer diameter 3.2 ... 6.5 mm)

6

Combi sensor for exhaust air humidity/exhaust air temperature

7

Air filter, filter class G4

8

Air filter, filter class G4 (for filter cascade, optional)

9

Pollen filter, filter class F7 (fine dust filter)

10

Protective grille for preheating register

11

Exhaust air fan, outgoing air fan

12

Preheating register (optional)

13

Outside air temperature sensor for frost protection (in front of the heat exchanger)

14

Outgoing air temperature sensor

15

Condensate drain with sieve (drain pipe connection)

16

Feet for floor standing unit (optional)

17

Outside air/supply air fan

18

Cross-counterflow heat exchanger: Exhaust air/supply air heat transfer

19

Enthalpy heat exchanger: Exhaust air/supply air heat and humidity transfer (optional)

20

Main board A1 on electronics slide-in module

20.1

Interface S01 for optional KNX plug-in module (KNX building control system or EnOcean plug-in module (EnOcean radio components)

20.2

Ethernet interface/network connection

20.3

USB interface (circuit board)

20.4

Additional board ZP 1 and/or ZP 2 (both optional). Combination can be selected freely.

20.5

Additional circuit board ZP 2 (optional)

21

Bypass module (optional)

T

Rating plate

SN

Serial number