Traditional Culture Encyclopedia - Hotel accommodation - How to install the air source water heater? What are the specific matters?
How to install the air source water heater? What are the specific matters?
(1) Installation of air energy mainframe
1. The installation requirements of the air energy main unit are the same as those of the outdoor unit of the air conditioner. Can be installed on external walls, roofs, balconies and floors. The air outlet should avoid the upwind direction.
2, the distance between the host and the water storage tank shall not be greater than 5 meters, the standard configuration is 3 meters.
3. The distance between the main engine and the surrounding walls or other obstacles should not be too small.
4. If a canopy is installed to protect the air energy from the wind and the sun, attention should be paid to ensure that the heat absorption and dissipation of the host heat exchanger are not hindered.
5. The main engine should be installed in a solid foundation, upright and fixed with anchor bolts.
6. Do not install the control panel in the bathroom, so as not to affect the normal work.
(2) Installation of water storage tank
1. The water storage tank can be installed outdoors, such as balcony, roof and ground, and can also be installed indoors with an air energy outdoor machine. The water storage tank must be installed on the floor with a solid foundation and can bear the weight of 500 kilograms. It can't be hung on the wall.
2. The valve is installed near the water storage tank and at the interface between the tap water pipe and the hot water pipe.
Note: The water outlet of the water storage tank must be connected with a PPR pipe with a length of 1.5m or more.
(3) Waterway connection
1. As shown in the figure, connect the water outlet with PP-R pipe to the water storage tank and seal it with raw material tape.
2. Connect one end of the check valve to the tap water pipe and the other end to the water inlet of the water storage tank.
3. Fill with water: open the tap water inlet valve and turn on the faucet in the hot water pipe. Start water injection until water overflows from the outlet faucet, and then close the outlet faucet. Store water, check whether there is water leakage, and make sure there is no water leakage.
Note: Before plugging in the power supply for the first time, make sure that the water in the water storage tank is full.
(4) Connection of heating pipes
1. Drill a ะค 70 pipe hole on the wall between the water storage tank and the air energy main engine, and the hole should be slightly inclined outwards. Wrap the joint and a certain length of cable with plastic tie, pass through the perforated pipe hole, and put the wall-penetrating pipe sheath on both sides.
2. Remove the hood on the thick and thin connecting pipes of the water tank, screw the thick and thin connecting pipes to the joints on the thick and thin connecting pipes of the water storage tank respectively, and tighten them with a wrench.
3. Unscrew the hood of the thick and thin connecting pipes of the high-pressure valve and the low-pressure valve of the main engine, screw the other end of the thick and thin connecting pipe to the nozzle of the thick and thin connecting pipe of the working medium inlet and outlet of the water tank, and tighten it with a wrench (note: the thick pipe is connected to the three-way valve and the upper connector of the water tank).
Note: Try not to bend the copper tube, even if it is twisted, do not shrink or crack the copper tube.
(5) Electrical connection
1, the socket must be grounded reliably.
2. The capacity of power socket should meet the current and power requirements of different models of hosts.
Note: the power socket must be reliably grounded! !
3. Install the probe of the water temperature sensor into the probe tube in the middle of the water tank and fix it.
(6) Pipeline exhaust
1. Remove the covers from the adjustment ports of the low-pressure valve and the high-pressure valve.
2. Connect the vacuum pump interface to the fluorine injection port.
3, to ensure that the vacuum degree is qualified, and the evacuation time is not less than 20 minutes. If it is inconvenient to evacuate, R22 refrigerant can be used for external evacuation and leak detection, and the residual pressure of residual refrigerant gas after evacuation shall not exceed 0.05MPa.
4. Turn the valve cores of the low-pressure valve and the high-pressure valve counterclockwise with the internal hexagon wrench until they are completely opened! ! ! Replace all covers and tighten them.
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