Domestic Instant/Direct Heating Heat Pump

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Domestic Instant/Direct Heating Hot Water Heat Pump

Blueway provide two types of designs for domestic hot water heat pump(C Series and D Series), ensure no potential risk of contamination to potable water.

Domestic Hot Water heat pump (C Series: Cycle Heating)

C series of Domestic Hot Water Heat Pump adopts high efficiency tube-in-shell water heat exchanger and incorporates a built in German Willo pump for easy installation work. The unit is capable of producing hot water with a maximum temperature up to 60℃. It can be retrofitted to existing geyser to replace electric water heater, saving more than 2/3 energy.

Domestic Hot Water heat pump (D Series: Direct Heating)

D series of Domestic Hot Water Heat Pump adopts advanced variable flow rate control technology, keeping a constant water temperature in the cold climate and hot climate. Unlike cycle heating heat pump, the outlet water temperature from direct heating heat pump directly reaches the setting temperature. Therefore it’s much faster than cycle heating models to produce hot water. The fast de-frosting technology enables the system work well in the low temperature, moist ambient conditions. It adopts high efficiency tube-in-tube water heat exchanger and incorporates a built in German Wilo pump for easy installation work. The unit is capable of producing hot water with a maximum temperature up to 60℃. It can be retrofitted to existing geyser to replace electric water heater, saving more than 2/3 energy. Direct Heating Heat Pump Features & Highlights 1. Famous brand high efficiency rotary and scroll compressor 2. High efficiency eco-friendly R134A or R417A refrigerant, without ozone depletion 3. Built-in German Wilo circulation water pump 4. Intelligent control: micro processor based digital controller with LCD display 5. Adjustable water temperature setting: 25℃-60℃ 6. Tube-in- shell or tube-in-tube water heat exchanger with a maximum working water pressure up to 3.2Mpa 7. Electronic expansion valve (EEV) for expansion with reliability and high precision 8. Inner grooved copper tube for higher efficiency 9. Anti- legionella function on regular intervals 10. Can be retrofitted to existing geyser and used in conjunction with solar geyser Warranty * CE & RoHS approval. * 1 years warranty on the whole unit * 1% spare parts free of charge for maintenance. Support Blueway is capable of manufacturing and supplying even the largest liquid heating and cooling requirement for applications. We are looking forward to find potential partner all over the world to cooperate together. We are insisting on the strategy of:”Client service firstly and continuous development”, we will offer better product with best service to all the customers. For clients’ special design requirement, if the annual order quantity is above: 300pcs. We can offer one special design for you exclusively.

Direct Heating Heat Pump Application

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Direct Heating Heat Pump Installation Diagram

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Features & Highlights

  • Residential-pool-heat-pump-3Silver welding Blueway welding technology let the units system more reliable; in most probably it will avoid the refrigerant leakage
  • Residential-pool-heat-pump-4Smart control The units apply intelligent control system: Micro processor based digital controller with LCD display
  • Domestic-instant-heating-heat-pump-3Gas pressure actuated water flow control valveControl the water flow by the refrigerant pressure and ensure hot water is supplied at a constant adjustable temperature

Features & Highlights

  • Domestic-instant-heating-heat-pump-4Tube in tube water heat exchanger with a maximum working water pressure up to 3.2Mpa
  • Domestic-instant-heating-heat-pump-5High efficiency eco-friendly refrigerant, without ozone depletion
  • Commercial-hot-water-heat-pump-6Low noise Fan select the axial fans, which can bring heavy wind with less running noise
  • Domestic-hot-water-heat-pump-7Built in high efficiency circulation water pump

Domestic Direct/instant heating Heat Pump Specification

Model DHW-3.5D DHW-5D DHW-7D DHW-10D DHW-14D DHW-18D
Power Supply V/Hz/Ph 220-240/50/1 380-415/50 /3
Performance Heating capacity kW/Hr. 3.5 5.2 7.2 9.8 14 18
Power consumption kW/Hr. 0.80 1.18 1.63 2.24 3.18 4.12
COP 4.39 4.41 4.42 4.38 4.40 4.37
Current A 3.6 5.4 7.4 10.2 14.5 7.4
Hot water production: 15/55℃ L/hour 75 112 155 211 301 387
Suggested tank connection (capacity range) Liter 100-300 150-350 200-500 300-600 400-800 500-1000
Noise level dB(A) 52 52 52 55 55 55
Rated water temperature Inlet 15
Outlet 55
Maximum outlet water temp. 60
Ambient temp. range -5~43
Controller l Micro processor based digital wire controller with LCD display
Compressor Type Rotary Rotary/Scroll Scroll
Qty Nos. 1 1 1 1 1 1
Refrigerant R134A R417A R407C
Heat exchanger (water side) Type High efficiency tube-in-shell
Qty Nos. 1
Construction Material Tube: Copper, Shell: Steel
Fan Type Axial
Airflow m³/h 1800 1800 2500 2500 3300 5500
Dia x Qty mm x Nos. 400 400 420 420 440 560
Material Plastic
Motor Output Power Watts 25 25 40 50 50 250
RPM 850 850 850 850 850 850
Qty Nos. 1 1 1 1 1 1
Heat exchanger coil (air side) Type Fin-tube
Tube dia mm Ф9.52 Ф9.52 Ф9.52 Ф9.52 Ф9.52 Ф9.52
Row
Built-in water pump Type Centrifugal
Rated flow rate m³/h 0.08-0.6 0.12-0.9 0.16-1.3 0.22-1.7 0.3-2.4 0.4-3.1
Maximum pressure head meter 0.4 0.4 0.4 0.4 0.4 0.4
Insulation Class IP IP42 IP42 IP42 IP42 IP42 IP42
Water Connection Inlet Inch 3/4″ 3/4″ 3/4″ 3/4″ 3/4″ 1-1/4″
Outlet Inch 3/4″ 3/4″ 3/4″ 3/4″ 3/4″ 1-1/4″
Dimmension: W×H×D Net mm 930*280*580 930*280*580 1000*300*650 1000*300*650 750*340*1240 900*420 *1390
Shipping mm 990*340*660 990*340*660 1060*360*730 1060*360*730 830*390*1320 960*480 *1490
Weight Net Kg 40 50 59 65 95 140
Shipping Kg 45 55 64 70 115 165
Loading Qty 20’/40’/40’HQ Set(s) 117/246/328 117/246/328 117/246/328 90/198/198 42/84/168 24/48/48

The above data is based on the following testing condition: ambient temp.(DB/WB) = 20℃/ 15 ℃, inlet/outlet water temp. = 15℃/55℃

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