Structure / duct connections

Fig.: WS 170 KBR/KBRET in right-hand version.
WS 170 KBL/KBLET in left-hand version, mirror image.

I

Outside air

II

Supply air

III

Exhaust air

IV

Outgoing air

1

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

2

Cable feedthrough – power cable

3

Cable feedthrough – USB, Ethernet

4

Main switch

5

Membrane grommet with slot

6

Quick-release clip

7

Seal plug

8

Electronic slide-in module with:

8.1

Main board A1

8.2

Interface for KNX or EnOcean plug-in module

8.3

Ethernet interface

8.4

USB port

8.5

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

9

Outside air/supply air fan

10

Outside air temperature sensor

11

Exhaust air/outgoing air fan

12

Condensate elbow with reducer

13

Bypass module

14

Outgoing air temperature sensor

15

Cross-counterflow heat exchanger, optional enthalpy heat exchanger

16

Preheating register

17

Protective grille for preheating register

18

Pollen filter, filter class F7

19

Air filter, filter class G4

20

Air filter, filter class G4

21

Supply air temperature sensor

22

Combi sensor: Exhaust air humidity / exhaust air temperature

T

Rating plate

SN

Serial number

USB

USB connection on the outside