WS 120 Trio - 1

A

Ventilation unit

A1

Electronic slide-in module

A2

Controlled domestic ventilation control

B1

Single control unit RLS 1 WR (single control unit)

B2-B5

Parallel connection, max. 5 RLS 1 WR single control units

BT1

RLS T2 WS touchscreen control unit

W1

230 V AC connection cable

W2

Shielded control cable, RLS 1 WR single control unit (provided by customer), e.g. LIYY 6 x 0.34 mm²

W2’

RLS T2 WS screened control cable (provided by customer), e.g. LIYY 4 x 0.34 mm²

W5

Connection cable for PTC heat register

S1

Unit switch

S2

Door contact switch

M1

Exhaust air/outgoing air fan

M2

Outside air/supply air fan

T-LET

Temperature sensor at air inlet for outside air

T-FOL

Temperature sensor for outgoing air

T-ZUL

Temperature sensor for supply air

S-ABL

Combination sensor for exhaust air

W2’

Connection cable for RLS T2 WS or Modbus touchscreen control unit, e.g. LIYY 4 x 0.34 mm²

W3

Connection cable (provided by customer) for external safety device with potential-free contact 12 V/2 A

W4

Connection cable (provided by customer) for external safety device with potential-free contact 230 V/16 A

W8

Connection cable (provided by customer) for external sensor 1

W9

Connection cable (provided by customer) for external sensor 2

X01

Slot for optional EnOcean/KNX communication plug-in module

X02

Slot Hardware extension Modular cable

USB

USB service interface Ethernet network interface (LAN)