3-Way HVAC System Fan Coil Flow Control Valves for Vav Heat Pump Heating System
The SKC series brass motorised valves are primarily designed to control the flow of water or steam in response to the demand of a controller in zone and fan coil applications.
Introduction
The valve is driven by hysteresis synchronous motor with spring return. The valve is normal-closed. When the thermostat is working, it will provide an opening signal, and the motorized valve will be turned on to open. Then the chilled/hot water will enter into the coil and supply the cold/hot to the room. When the room temperature rises
up to the set point, the thermostat will make the valve power off. At the same time the valve will be closed by return spring and the water to the coil will be shut off. The room temperature will be kept in the setting range all the time through the opening and closing of the valve.
Technical data
| Structure |
Standard |
Pressure |
1.6MPa |
| Power |
AC24, AC110, AC220V |
Material |
Brass |
| Connection |
Male Thread |
Liquid temperature |
1~95°C |
Character of structure
1.Inlay contact switch, the motor is power off after the valve completes open and close, so it has long service life and power saving, but is also safe.
2.The valve body is separated with driver, could be disassembled rapidly.
3.The valve body structure is unique, is allowed of big pressure difference.
4.The driver has manual controller is available for system debugging and maintenance, the manual opening is about 70% (push down the white driving arm to the bottom, and then push inside, when the power is recovered, the valve and driver will return to automatic position)
5.B type driver has inlay relay, one-line control and three-speed switch, realize multi valves parallel, and match with various temperature control switches. (special for four-pipe)
6.Select ordinary driver, one temperature controller matches only one electric vale, or any results caused will be nothing with manufacturer.
Points for installation:
1.Please read this instruction carefully before installation, ask professional to perform installation and connect according to wiring diagram.
2.The electric valve should be installed to the place with certain distance from around articles, but also could be reached by maintenance person. No electric equipments are allowed to install under the valve body, as to avoid leakage and danger. The driver shall be above the valve body horizontally.
3.Clear up the sundries in the pipe before installation, install 50 mu (or thinner) filter in the front end of electric valve.
Installation diagram
Appearance, section and main dimension
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