Carbolite TZF Series - Manual (Page 16)

STF/TZF
16
MF08 – 3.24
7.6 TZF – 3-zone control (back-to-back thermocouples)
The diagram shows the additional controllers, the four thermocouples (five if overtemperature
control is fitted), and the connections between them – see 3.3 (A).
7.7 TZF – 3-zone control (Broadcast comms)
The three controllers and thermocouples are as in 7.8, with connections between the controllers as
shown in the diagram - see 3.3 (B).
7.8 TZF – 3-zone control (back-to-back thermocouples)
The diagram shown the additional controllers and the three thermocouples (four if
overtemperature control is fitted) – see 3.3 (C).
end
controller
SSR
centre
controller
SSR
SSR end
controller
centre
end
end
thermocouples
HD
HE
HF
centre
(master)
HD
HE
HF
end
(slave)
HD
HE
HF
end
(slave)
Instrument Switch
coil
slave
controller
thermocouples
overtemp.
controller
thermocouple
SSR
F2 Contactor
if fitted
master
controller
SSR
SSR slave
controller
main
ref.
slave
slave
Heater Switch
–
+
+
+
–
–