Evi All In One Heat Pump Water Heater DHW Split Heat Pump Water Heater
1 pc
100-10000 $/pc
Evi All In One Heat Pump Water Heater DHW Split Heat Pump Water Heater
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Basic Infomation
Place of Origin: China
Brand Name: LN
Certification: CB, CE, EMC, RoHS
Model Number: KRY-75I
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Heat Pump Water Heater KRY-75I DHW


Evi 50Hz Heat Pump Water Heater


Heat Pump Water Heater R134A DHW

Payment & Shipping Terms
Packaging Details: export package Woonden case or plastic film
Delivery Time: 1-30 days
Payment Terms: D/P, L/C, D/A, T/T, Western Union, MoneyGram,
Supply Ability: 50,000pcs/year
Heat Source Type: Air Source Heat Pump Air To Water
Power Supply: 220~415V/50Hz
Compressor: Rotary, Copeland, *MitsubishI* Inverter Twin Rotary Compressor, Mitsubishi, R410A DC Inverter Twin Rotary *Mitsubishi*Compressor
Refrigerant: R22/R407c/R410A/R134A
OEM/ODM: Avaiable
Capacity: 3-200KW
Refrigerant Valves: Emerson/Danfoss
Defrosting: Automatic Defrosting
Product Description

The air source heat pump system uses a dedicated working fluid to absorb the heat in the ambient atmosphere and vaporizes. It is compressed and heated by a compressor to become a high-temperature and high-pressure gas, then passes through a heat exchanger to exchange heat with the water to be heated for cooling, and finally passes through an expansion valve Release the pressure and return to the low-temperature and low-pressure liquid state. In this way, the heat pump heats the water by exchanging heat with the water to be heated through the continuous circulation of the refrigerant. Its energy efficiency ratio (COP value) can be as high as 2.0 to 5.0. At the same time, no additional heat is released during operation, no harmful substances are discharged, the working fluid is completely separated from the heated water, and no secondary pollution is caused, so it is an energy-saving and environmentally-friendly product.

Eight notes needing attention in air energy heat pump heating system

1. Where should the air source heat pump unit be installed?

The air source heat pump is a unit that generates heat by absorbing the heat in the air. It changes with the change of the ambient temperature. The higher the ambient temperature, the better the heating effect and the lower the energy consumption; on the contrary, the lower the ambient temperature, The worse the heating effect, the more energy the unit consumes, so the unit must be installed in a sunny place, and the ventilation effect of the unit is better.
2. How to operate the air source heat pump floor heating for the first time?

1. After the air source heat pump is turned on, the heating temperature button is set to zero, and the heating is at the lowest water temperature without shutting down, so that the walls and furniture will not be dry and cracked when the temperature rises slowly.

2. Do not turn on the air source heat pump floor heating to a higher temperature. First, it is not conducive to the evaporation of water vapor in the wall. Second, the heat will consume more energy due to heat transfer between households. Third, no matter how high the water temperature is, it will not help. Just shortened the heating time, temporarily the room heating still can't go up. Use the lowest temperature, after about a week of use, you can increase the temperature at will.

3. The above-mentioned reasons are the problems that every new residence must face when moving in. One is not to worry, and the other is not to be impatient. The situation will get better day by day, and the temperature of the air source heat pump floor heating will gradually rise.

3. How does the air source heat pump floor heating know the insulation status of the house?

For example, the room has a constant temperature of 18°C, and a thermometer is fixed in the room. After turning off the air source heat pump to heat the floor for 12 hours (daytime), the thermometer will drop by 1℃~2℃, and by 4℃~5℃ at night, it means that the heat preservation is good. Otherwise, there is a place with air leakage and need to be checked carefully.

4. How to use the air source heat pump floor heating room after installing a thermostat?

The temperature controller installed in the air source heat pump floor heating room controls and adjusts the room temperature, and how much water is used to heat the room temperature still needs to be controlled by the button on the air source heat pump. For example: the temperature button on the air source heat pump is set to 9 and the thermostat button is set to 20°C. At this time, the air source heat pump will heat up with 55°C hot water to make the room temperature reach 20°C as soon as possible. If the temperature button on the air source heat pump is set to 0 and the room temperature is set to 20°C, the air source heat pump uses 30°C water for heating. Obviously, the indoor heating speed of the former is fast, and the indoor heating speed of the latter is slow. Therefore, it can be said that with the thermostat installed, the button on the air source heat pump becomes the adjustment button of the heating rate.

5. Does air source heat pump floor heating need to add antifreeze?

Air source heat pump floor heating can be technically guided to add a certain amount of antifreeze, and the contractor can add a corresponding proportion of antifreeze according to the size of the floor heating area; for users who do not add antifreeze, the unit can complete the winter antifreeze work according to the first point. In order to reduce the operating cost of air-energy heat pump floor heating, there is such a method: when leaving home during the day, low temperature heating can be used, and the temperature can be raised in time after returning home to enjoy a comfortable and warm home life.

6. What should I do when the air source heat pump floor heating is disabled in winter and summer?

1. In areas where the temperature is lower than 0°C in winter, there may be freezing periods. If you are not at home for a short period of time (3 to 5 days), you can shut down the unit, but you must not cut off the power; now the air energy heat pump floor heating The unit has its own anti-freeze protection function, and it will automatically stop to achieve the anti-freeze function.

The correct antifreeze measures should be:

(1) When there is no one at home for a short time (within a week), the unit temperature can be set to the lowest, then the air source heat pump will run at the lowest temperature.

(2) When there is no one in the house for a long time, all the water in the air source heat pump floor heating system can be drained. But it should be noted that before this operation, please fully consider other indoor pipelines.

2. When not in use in summer, no one at home can turn off the unit for a long time; disconnect the power supply and drain the water in the waterway system. However, for safety reasons, if you are not living for a long time, you need to cut off the power supply after draining the system.

7. How to drain the air source heat pump floor heating when cleaning the filter?

Air source heat pump floor heating internal heating water drainage method: close the cold water inlet valve, open the water filling valve, open the sanitary hot water faucet, the heating water can be discharged. Reverse operation can be refilled and run, just unscrew it.

8. The reason why the air-source heat pump floor heating temperature does not rise?

1. The heat dissipation capacity of the radiator is not enough, and this failure can easily occur in the home of the user who replaced the radiator. Change the radiator to a large size so that the heat emitted by the radiator is not enough to make up for the heat loss of the room.

2. The wet room is not dry. Because the wall is wet, the water content needs to be vaporized and absorb a lot of heat. Therefore, the room temperature cannot rise, and the baking room takes about a week.

3. When starting and stopping, the room temperature has not reached equilibrium, that is, it is shut down, and the heat dissipated in the early stage is also absorbed by the outside world due to the heat transfer between households, so the required temperature is always not reached.

Evi All In One Heat Pump Water Heater DHW Split Heat Pump Water Heater 0

Low temperature Air source heat pumps
Nominal heating at room temperature・(kW) 9.6 10.9 10.8 16 16.4 17.4 38.9
Nominal power consumption at room temperature(kW〕 2.17 2.63 2.7 3.9 4.1 4.6 8.82
Low temperature heating(kW) 4.1 4.65 4.8 7.8 7.5 8.5 17.6
Low temperature power consumption(kW) 1.85 2.1 2.16 3.37 3.4 3.68 7.3
Maximum input power(kW) 3 4.2 4.2 6.6 6.8 8.5 17
Maximum current(A) 16 23 8A 32 12 15 30
Power Spec.(Hz) 220V-50 220V-50 380V3N-50 220V-50 380V 3N-50 380V3N-50 380V 3N-50
Refrigerant/charge amount R22/2500g R22/5600g R22/5600g R22/6000g R22/6000g R22/6500g R22/6500gx2
noisedb(A) <50 <50 <50 <50 <50 <50 <60
Water resistancekPa <55 <55 <55 <100 £100 <65 <65
Anti-shock level I I I I I I I
waterproof level IPX4 IPX4 IPX4 IPX4 IPX4 IPX4 IPX4
Circulation port diameter DN20 DN32 DN32 DN32 DN32 DN32 DN40
Unit size (mm) 1010x350x835 1030x410x1390 1030x410x1390 1030x410x1390 1030x410x1390 780x820x1700 1550x780x1700
Unit Weight(kg) 87 142 142 148 149 265 435

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