Okofen PE 08 Operating Manual page 29

Assembly and disassembly of the heating controller circuit board
1. Make the complete heating system powerless.
E E l l e e c c t t r r o o s s t t a a t t i i c c d d i i s s c c h h a a r r g g e e d d a a m m a a g g e e
Before starting work, touch a grounded object to avoid
damage of circuit board by electrostatic charging.
2. Open the cover plate of the heating controller.
3. Disconnect all plugs from the circuit board. Leave the plugs with the wiring in the casing.
4. Disassembly from the power supply (optional)
5. Disassembly the circuit board from the heating controller.
6. The installation of a new circuit board occurs in reverse order.
Operating Manual PELLEMATIC® PE(S)(K)(B) 10 — 56
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