Honeywell DKO970-N Mod 21 240v Control Box (0410021U)

Honeywell Satronic Control Box DKO970-N Mod 21 240v.

The control box circuitry is protected by a flame resistant, transparent plug-in type plastic housing.
A central fixing screw locks the control box to the wiring base.
The plug-in control box incorporates the microprocessor based timer, flame check and reset circuits.
Manual reset from lock out and set to lock out is provided by a push button with an integrated LED information system.
The wiring base S98 is equipped with spare- and extraterminals and allows together with a variety of cable entry points utmost flexibility of electrical wiring.
The DKO 970-N is compatible with the TF 801, TF 801.2, TF 830, TF 830.2. The DKO 972-N is in addition compatible with the TF 802, TF 802.2, TF 832, TF 832.2.
Using the DKO 970-N/972-N as a replacement for the TF 801 or TF 801.2, the flame sensor FZ 711 S must be replaced by its plug compatible type MZ 770 S. On flame supervision by a photo-cell, type MZ 770 S has to be connected to terminals 1 and 2.
Older IR-Sensors of the types IRD 910 and IRD 911 is not possible.