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Fig.15. a) STB installation, b) identification of controller terminals
Regulations in force require safety time limiter installation.
CENTRAL HEATING PUMP
The circulating pump shall be connected to terminal strip (8) (fig. 7) terminals
identified with the symbol shown on figure 16. The protective
wire shall be connected to a terminal of the PE terminal strip (9)
(fig. 7). The recommended cross-section of the wire used for
pump connection is presented in table 1. Connection on the side
of the pump shall be made according to the pump manufacturer’s
technical documentation.
Fig.16. Identification of connecting terminals.
HOT WATER PUMP
Hot water container pump shall be connected to terminal strip (8) (fig. 7)
identified with the symbol shown on figure 17. The protective
wire shall be connected to a terminal of the PE terminal strip (9)
(fig. 7). The recommended cross-section of the wire used for
pump connection is presented in table 1. Connection on the side of
the pump shall be made according to the pump manufacturer’s
technical documentation.
Fig.17. Identification of connecting terminals.
Fixing clip
BOILER
TEMP.
SENSOR
STB
STB CAPILLARY
a)
b)
10÷15 cm
THERMAL
INSULATION
