Installation
98
WARING!
① .
The 3-way valve should select water tank loop when electric power is supplied to wire (OFF) and
wire (N).
② .
The 3-way valve should select under floor loop when electric power is supplied to wire (ON) and
wire (N).
(ON): Line signal (Water tank heating) from the main board to the 3-way valve
(OFF): Line signal (Under floor heating) from the main board to the 3-way valve
(N): Neutral signal from the main board to the 3-way valve
4.13 Wiring of Other Auxiliary Heat Sources
Other auxiliary heat sources are allowed for the equipment and controlled in such a way that the
mainboard will output 230V when outdoor temperature is lower than the set point for startup of the
auxiliary heat source.
4.14 Wiring of the Gate-Controller
If there is gate control function, installation guide follow as:
(1) GRS-CQ8.0Pd/NaE-K,GRS-CQ10Pd/NaE-K
(2) GRS-CQ12Pd/NaE-M,GRS-CQ14Pd/NaE-M,GRS-CQ16Pd/NaE-M,GRS-CQ12Pd/NaE-K,
GRS-CQ14Pd/NaE-K,GRS-CQ16Pd/NaE-K