Mark FBA - 5-Speed Switching Device Diagrams

11
5-speed switching device, 5 speeds 400V (Engine 001)
5-speed switching device, 5 speeds 230V (Engine 003)
12
11
14
N L L
5-wire
FS=Frost protection thermostat
RT=Room thermostat
TK=Thermocontact
Location
supply fuses
1U
2U
11
685/54E
12
14
N L
L RT RT
250 V AC
max. 2A
250 V AC
max. 1A
RT
FS FS TK TK
L1 N
FS TK
M
1 ~
1U
2U
11
685/52-53E
12
14
1 2 3 6 7
250 V AC
max. 2A
250 V AC
max. 1A
RT
4 5 L1 N
TK
M
1 ~
RT=Room thermostat
TK=Thermocontact
RT=Room thermostat
FS=Frost protection thermostat
TK=Thermocontact
3-wire
3-wire
Location
supply
fuses
Location
supply
fuses
EN