WIRING DIAGRAM
WS 170 RET
Version: 2019-12-03 - MAICO VENTILATOREN, www.maico-fans.com - We are not responsible for mistakes or printing errors and retain the
right to make technical modifications without giving prior notice
Page 2
A - WS 170 / RB 170 ventilation unit
A1 - Electronic slide-in module
A2 - Controlled domestic ventilation unit control
B1- RLS 1 WR / RB-ZF4 single control unit
B2-B5 - Parallel connection max. 5 single control units
BTS - RLS T1 WS touchscreen control unit
W1 - 230 V AC connecting cable
W2 - Screened control cable for single control unit (provided by customer), e.g. LIYY 6 x 0.34 mm²
W2' - RLS T1 WS screened control cable (provided by customer), e.g. LIYY 4 x 0.34 mm²
W5 - Connecting cable for PTC heat register
W7 - Connecting cable for bypass motor
S1 - Unit switch
S2 - Door contact switch
M1 - Exhaust air/outgoing air fan
M2 - Outside air/supply air fan
T-LET - Temperature sensor for 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
Further connection options
W2' - Connecting cable for RLS T1 WS or Modbus touchscreen control unit, e.g. LIYY 4 x 0.34 mm²
W3 - Connecting cable (provided by customer) for external safety device with potential-free contact 12 V/2 A
W4 - Connecting cable for door contact switch
W8 - Connecting cable (provided by customer) for external sensor 1
W9 - Connecting cable (provided by customer) for external sensor 2
X01 - Slot for optional communication plug-in module EnOcean/KNX
ZP1 - 230 VAC connecting terminals for switching the additional circuit boards
USB - USB service interface Ethernet network interface (LAN)
