You won't be able to connect it as you describe safely.

From the very broken english description of the connection method I'd say it
is pretty much like a shower supply. I feel that it requires a separate
circuit of supply totally run from your consumer unit. The protection would
appear to be a two pole circuit breaker but the cable size eludes me, "6 x
25mm", 25mm cable size does seem rather extreme. Perhaps it's a 6mm cable
that is required.

It would also require an earth cable run straight from the main earth
terminal found at your consumer unit.