1, connecting the water inlet and the water outlet
Firstly, the water inlet and water outlet of each loop heating pipe are connected with a water separator and a water collector respectively. Note that the inner diameter of the water separator and water collector should not be less than that of the main supply return pipe, and the maximum cross-sectional velocity of the water separator and water collector should not be greater than 0.8m/s; Each branch circuit of water separator and water collector should not exceed 8; Return pipe of each branch circuit shall be provided with copper ball valves and other stop valves.
2. Install the valve accordingly
On the water supply connecting pipe in front of the water separator, valves, filters and drainage pipes should be installed in the direction of water flow. There are two valves in front of the water separator, which are mainly used to clean the filter and close when replacing or repairing the heat metering device; The filter is set to prevent impurities from blocking the flowmeter and heating pipe. The valves and filters in front of the heat metering device can also be replaced by filter ball valves.
On the backwater connecting pipe behind the water collector, a drainage pipe should be installed, and a balance valve or other shut-off regulating valve should be added. System accessories shall be made of corrosion-resistant materials. Install drainage devices for flushing pipes and draining water before acceptance and after maintenance. It is best to have drainage devices such as floor drains nearby.
3. Set the bypass
A bypass pipe should be set between the main inlet pipe of the water separator and the main outlet pipe of the water collector, and a valve should be set on the bypass pipe. The connection position of the bypass pipe should be between the beginning of the main water inlet pipe (in front of the valve) and the end of the main water outlet pipe (behind the valve) to ensure that water does not flow into the heating pipe when flushing the heating pipe system.
4. Set manual or automatic exhaust valve.
Manual or automatic exhaust valves should be set on the water separator and water collector. Try to install an automatic air release valve, so as to bring convenience to users in the future use process, and avoid gas collection caused by cold and hot pressure difference, water replenishment and other factors, which will hinder the system operation.
2. Where is the floor heating distribution manifold most suitable?
1, multiple locations can be selected.
In fact, there are many locations where the water separator can be installed, as long as the design is reasonable. For example, it can be designed to the bathroom, which is equipped with a waterproof layer. When the water separator leaks, the water can flow along the floor drain without hurting the innocent. Secondly, the water separator can also be installed outdoors, so the purpose of installation is mainly to facilitate the later maintenance, such as the balcony of the kitchen, if there is dripping water, it can also be discharged through the floor drain.
2, generally installed under the wall of the wall-hung boiler.
The floor heating water separator is generally installed on the wall below the wall-hung boiler, and the position is required to be convenient for operation and sewage discharge. Because there is a water outlet and a backwater respectively, it must be staggered to a certain position, so that the same water outlet pipe can be matched with return pipe. The height should be close to the ground, the installation should be firm and reliable, and it is not easy to be dislocated by other objects.
3, floor heating water separator installation requirements
(1) The water separator is installed in walls and special boxes, usually in the kitchen.
(2) The valve below the water collector should be installed horizontally at a position above 30㎝ from the ground.
(3) The feed valve is installed in front of the water separator, and the return valve is installed behind the water collector.
(4) The filter is installed in front of the water separator.
(5) The connection sequence of the distributor: connect the main water supply pipe-locking valve-filter-ball valve-tee (temperature, pressure gauge and interface)-water separator (upper rod)-geothermal pipe-water collector (lower rod)-ball valve-connect the main return pipe.
Where is the best place to install the floor heating water separator? The installation position of the floor heating water separator should be analyzed according to the owner's own situation to see where the wall-hung boiler is designed and installed. The floor heating water separator is generally installed on the wall below the wall-hung boiler. The floor heating system is huge and complicated, and the installation of a small water separator is very particular, not to mention the installation of the whole floor heating system, so users had better find a professional installation company to install it.