Installation guide

Ascari MA12 -p. 27 -
2.17.2 - Direct room thermostat connections
and direct cylinder thermostat
1 - 2 : Direct room thermostat connections
3 - 4 : n/a
5 - 6 : The brown wires should be removed from terminals
1 and 2 and be placed into terminals 5 ans 6
respectively
10 - 11 : Total cut-out DT (remove the bridge) and / or 65°C
heating floor safety limitator (mandatory) with
manual reset.
See § 1.3.1.
12 - 13 : Partial cut-out DP1 (remove the bridge)
14 - 15 : Partial cut-out DP2 (remove the bridge)
25 : External command from direct cylinder thermostat
(use phase 230V common to the boiler on pin L1)
• Connectors will be of electrolitic quality brass (no corrosion of stripped ends at connection).
• Never use telephone wire (cross-section of sub-connectors too thin and easy breakable at
connections points).
• Cross-section of connectors must be between 0,5 and 1mm².