Bosch SSB1000 TL - Boiler Cascade System; Extended Cascade Configuration with BMS

SSB 6720866942 (2018/06) US
WIRING DIAGRAM | 41
DEPENDENT
J3-9 h
J3-4 b
J6-1 b
J6-2 bl
J6-8 h
203
UNIT RETURN
TEMP. SENSOR
J6-10 h
J6-3 b
J6-12 h
J6-5 b
FLUE TEMP. SENSOR
204
J7-3 h
J7-2 b
J7-6 b
J7-7 bl
J7-8 h
FLOWMETER
J12-1 b
J12-4 h
J12-5 h
J12-2 b
202
212
SAFETY LIMIT WATER THERMOSTAT
UNIT FLOW TEMP.
213
GAS VALVE
J5-1 bl
J5-2 w
J2-4 gr
J1-1 w
J1-5 bl
J1-4 gr
FAN
216
J4-2 bl J4-3 w J2-1 gr
5
4
2
1
J4-1 br J4-4 h J4-5 grey J4-6 bl
211
PWM
FLUE CONDENSATE PRESS. SWITCH
POWER SUPPLY
RELAY R2 RELAY R2
J8-2 h
J8-1 b
ARGUS LINK
Pin 6 Pin 3 Pin 5
LWCO
SYSTEM SENSOR
J6-6 b
J6-13 h
WIRING DIAGRAM - DEPENDENT