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Steel Body, Automatic Wood Pellet Feed Hot Water Boiler Operation and Maintenance
Manual
ELECTRICAL INSTALLATION INSTRUCTIONS
ÜNMAK Ecopel type boiler requires a 230 V ~50 Hz electrical supply. The regulator should be used
where the mains voltage is less than 10 percent or greater than 10 percent. All the wiring and
supplementary earth bonding external to the boiler must be in accordance with the local wiring
regulations.
Any heating system controls, e.g. room thermostat, frost thermostat, etc. connected to this boiler must
be suitable for use on mains voltage.
The control cabinet must be connected to a wall panel with suitable grounding equipment. All electrical
connections must be made by authorized personnel in accordance with local regulations.
For each boiler room, separate grounding installation should be made from the column installation.
Grounding installation:
a) 0.5 m 2, 2 mm. thick copper plate,
b) 0.5 m 2, 3 mm. thick galvanized sheet (hot dipped) or
c) Solid copper rod electrodes.
The copper rod electrodes shall be at least 1.5 m in diameter Ø16 mm or at least 1.25 m in diameter
at Ø20 mm and the ground resistance of the rod electrodes shall be below the limits of 20 Q. (Neutral-
Ground voltage ≤3V)
DANGER
This product must be connected to the mains via the earth line!
ATTENTION
The boiler should not be installed in closed and living spaces.
