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Related Manuals for Daikin UHA075B5
Summary of Contents for Daikin UHA075B5
- Page 1 Catalogue/Engineering Data ED-UHA-B5-V01 Modular Air Source Heat Pump Water Heater Modular Air Source Heat Pump Water Heater Model: UHA075/100/200B5 Refrigerant: R410A Heating Capacity: 30/40/80kW R410A ODP=0 R410A ODP=0 DAIKIN INDUSTRIES., LTD...
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Page 2: Table Of Contents
Literature No.: ED-UHA-B5-V01 Supersedes: Contents Model Series..........................2 Nomenclature ........................... 2 Features ........................... 3 Specifications ........................... 5 Dimensions ..........................8 Performance Data ........................9 Water Pressure Drop Curve ..................... 11 Sound Data..........................12 Wiring Diagrams ........................13 Installation ..........................17 Model Selection and Hydraulic Calculation ................ -
Page 3: Model Series
Design series Heating capatcity code Product Code Product code —— UHA: Air source heat pump water heater, DAIKIN brand Heating capacity code —— 075, 100, 200 …… Design series —— A, B, C …… Refrigerant code —— 3: R134a, 4: R407C, 5: R410A, default: R22 Connected code ——... -
Page 4: Features
Features Wide range of operation UHA series air source heat pump water heater, with wider operation range, can realize normal operation from -10°C to 43°C. Breaking the limit that traditional heat pump hot water unit can only be used in most southern areas, UHA series of units are also applicable in most of northern areas. - Page 5 LCD controller Using humanized microcomputer control system, LCD display controller, the unit is simple and quick to use. Single controller can control up to 16 units, monitor unit running status dynamically. The controller has parameter display, parameter settings and other functions. When the unit fails, the controller displays the fault quickly and accurately assist rapid troubleshooting, easy maintenance and management.
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Page 6: Specifications
Specifications General data Model UHA075B5 UHA100B5 UHA200B5 Nominal capacity Nominal producing water 1720 Nominal power input 6.83 8.71 18.22 4.39 4.59 4.39 Nominal current 13.2 17.3 33.4 Power supply 380V/3N/50Hz Nominal cycle water flow m³/h 5.16 6.88 13.76 Throttle type... - Page 7 Components data Model UHA075B5 UHA100B5 UHA200B5 Type Tube in tube Tube in tube Tube in tube Water Nominal water flow 5.16 6.88 13.76 side heat exchanger Piping connecting Rc1-1/2 Rc1-1/2 Material Copper Copper Copper Air side heat Type Inner groove...
- Page 8 Electrical data Model UHA075B5 UHA100B5 UHA200B5 Rated running current Compressor Locked rotor AMP (LRA) IP/ Insulation grade IPX4 IPX4 IPX4 Unit operating current 13.2 17.3 33.4 Unit max running current 21.3 27.3 52.4 Unit max power input 13.8 28.6 Notes: All specifictions are subjected to change by the manufacturer without prior notice.
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Page 9: Dimensions
Dimensions UHA075/100B5 Foundation bolt 4-14×20 45.3 45.3 14×20 Foundation bolt Hot water outlet Rc1-1/2 Hot water return Rc1-1/2 UHA200B5 Foundation bolt 8-14×20 14×20 Foundation bolt 1990 Hot water outlet Hot water return... -
Page 10: Performance Data
Performance Data Operating range UHA075/100/200B5 Operating range Operating range Ambient temperature ℃ Ambient temperature ℃... - Page 11 26.24 28.16 30.07 30.33 30.58 32.84 Heating power (kW) 5.93 5.96 6.07 6.12 6.17 6.22 6.27 6.06 5.85 5.95 UHA075B5 Heating capacity (kW) 13.48 17.81 21.47 23.35 25.22 27.14 29.06 29.50 29.94 31.86 Heating power (kW) 6.99 7.16 7.26 7.30 7.34...
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Page 12: Water Pressure Drop Curve
30.00 31.90 33.80 34.90 36.00 37.90 Heating power (kW) 6.54 6.65 6.72 6.75 6.79 6.83 6.84 6.84 6.71 6.57 6.63 UHA075B5 2.53 3.21 3.64 3.82 4.11 4.39 4.67 4.95 5.22 5.48 5.72 Water production (m 0.36 0.46 0.53 0.56 0.60 0.65... -
Page 13: Sound Data
2kHz 4kHz 8kHz Overall UHA075B5 UHA100B5 UHA200B5 Note: Noise level in the table is measured at noise chamber whose background noise level is 11.5 dB(A), during actual use, due to environmental noise or other reasons, the real noise may be different. -
Page 14: Wiring Diagrams
Wiring Diagrams UHA075/100BM5... - Page 15 UHA075/100BS5...
- Page 16 UHA200BM5...
- Page 17 UHA200BS5...
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Page 18: Installation
Installation dimensios and environment limits Units must be installed by DAIKIN service staff or by specially trained personnel. Units must installed by following relevant national and local electric, building and environment protection standards as well as the installation manual. - Page 19 UHA200B5 Foundation bolt M12x200 >2390×(N-1)+2790 >490 Unit:mm Note: 1. The groundwork must be a concrete floor or a V-iron structure that is strong enough to bear the operation pressure of the unit. 2. The groundwork must have draining facilities to discharge condensate water and defrosting water. 3.
- Page 20 Space allotted for an array of units Back Back Back Back Back Front Front Front Front Front Back Back Back Back Back Front Front Front Front Front ≥600 ≥400 ≥400 ≥600 ≥600 Unit:mm DMHA200B5 DMHA075/100B5 UHA075/100B5 UHA200B5 Note: "Front" is the side of unit airflow inlet, "Back" is the side which with water pipes. Hoisting the unit Hoisting cable (2 pcs) <40°...
- Page 21 Fixing the unit ■ Reserve sufficient maintenance space if possible. ■ If the unit is installed in a place where it snows in winter, proper measures better be taken to protect the unit against snow and ensure that the unit works properly. ■...
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Page 22: Model Selection And Hydraulic Calculation
Model Selection and Hydraulic Calculation Water supply volume calculation ■ All-day hot water supply system Centralized hot water supply system designed all-day hot water volume for where needs all-day hot water supply, such as residence, villa, rest houses, training centers, guest rooms of hotels (excluding staff dormitory), inpatient departments of the hospital, old people’s home, kindergartens, nurseries (with accommodation) and other buildings: ′... - Page 23 ■ Timing hot water supply system Centralized hot water supply system designed hourly hot water supply amount for where need timing supply of hot water, such asresidence, hotels, hospitals, rest quarters of industrial enterprises, public bathrooms, schools, theatres, gyms (stadiums) and other types of buildings: ∑...
- Page 24 Water tank selection calculation ■ All-day hot water supply Service capacity of the water tank V (the total capacity under the higher water level is the service water tank capacity): ≥ ( 1 . − Formula (8) water tank is the producing water volume of the unit under worst local conditions ■...
- Page 25 Water pump selection Pump head and flow rate are two important parameters for pump selection. Selection of water pumps in the water system is introduced as below. ■ Selection of hot water circulating pump Head of the hot water circulating pump H should be 1.1~1.2 times of the sum of water pressure drop of heat exchanger at the water side of the unit ΔP, hot water inlet/ outlet height difference of the tank Z pipeline fractional head loss and local resistance loss.
- Page 26 Appendix 1: Unit Hot Water Consumption Quota Highest water consumption Building name Unit Use time (h) quota (L) Residence With owned hot water supply and bathing 40~80 equipment Person·day With centralized hot water supply and 60~100 bathing equipment Villa Person• day 70~110 Single employee dormitory, students’...
- Page 27 Appendix 2: Sanitary Ware Water Consumption Quota One time water Hourly water Water Sanitary ware consumption (L) consumption (L) temperature (ºC) Residence, hotel, villa, guest room Bathtub with shower Bathtub without shower Shower 70~100 140~200 37~40 Nozzle of the washbasin and the sink brim Rinsing sink (pool) Collective dormitory, guest room, training center shower With shower compartment...
- Page 28 Hydraulic calculation Hydraulic calculation can facilitate the selection of pump head and appropriate pipe diameter. Therefore, hydraulic calculation must be carried out for verification after main pipeline selection and then adjust pump head and pipe diameter based on the actual hydraulic calculation results. Please refer to professional literature and design codes for hydraulic calculation.
- Page 29 Table 2: Pipe diameter and resistance loss in unit length Closed water system Open water system Diameter of the steel tube (mm) Water flow (m kPa/100m Water flow (m kPa/100m 0 - 0.5 0 - 60 0.5 - 1.0 10 - 60 1.0 - 2.0 10 - 60 0 - 1.3...
- Page 30 Recommended inlet/ outlet pipe diameter and the material for modular combination Based on pipe diameter worked out in hydraulic calculation, pipe diameter for modular combination of the unit is recommended as shown in the table below for reference based on engineering experience: Combination Return water/ outlet water pipe Combination...
- Page 31 Water quality requirements Water in the water system must be softened to prevent scale in the heat exchanger and affecting the heat exchanger performance. Water not softened can also cause scale in the water pipes and cause the water resistance to increase. This affects the water flow and the performance of the water pump. Softened water must meet the following requirements.
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Page 32: Hydraulic System Installation
Hydraulic System Installation Note: Units must be installed by DAIKIN service staff or by specially trained personnel. The installation of units must meet requirements of national and local laws, regulation and standards on electrical, building and environmental protection as well as the installation manual. - Page 33 Hydraulic system installation schematic diagram For single unit Tap water will directly enter the water tank; water level in the tank will be controlled by the ball float valve (configured by the customer). The unit will heat the water in the tank by circles. See the schematic diagram for the water system installation as below: Control module port Access...
- Page 34 For a group of combined units Control module port Access Water Tap water Hot water hole refill inlet Automatic water Electric replenishing heater valve Circulating water tank MHA 16# Water use To the user port Circulating water inlet Temperature sensor Drainage valve Circulating...
- Page 35 Water tank structure diagram Access port Water refill Hot water inlet Tap water wash port Overflow port Water level switch installation hole Water level switch installation hole Anti-overflow switch Reserved water level switch installation hole High water level switch Low water level switch Circulating water inlet Blind pipe of temperature Drainage outlet...
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Page 36: Commissioning And Operation
Commissioning and Operation Carry out necessary inspection before commissioning to ensure safety. After entering stable operation in commissioning process, keep records on relevant data. Items to be checked before commissioning. If no problem, mark “√” in the confirmation column: Inspection item Inspection contents Confirmation 1. - Page 37 Check the following items during commissioning: Item Contents Remarks 1. Whether red indicating lamp of the control module and the wire controller is on normally. 2. Whether the control module and the wire controller Fault alarm may occur for first time has error code flickering.
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Page 38: Maintenance
Maintenance Note: Before delivery, strict factory test Note: Before checking and maintaining the is conducted to ensure the unit works at unit, confirm the safety precautions again. optimal performance. The unit must be maintained from time to time. The unit can only be repaired and serviced by specially-trained technicians. After a unit is serviced, safety controls must be checked and analyzed before the unit is turned on. - Page 39 Maintenance The unit must be checked on a routine basis to ensure performance. Routine check is the best way to reduce downtime and waste. The following needs to be checked on a routine basis: Once half Items Monthly Quarterly Once a year If necessary a year 1.
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Page 40: Control System Instruction
Control System Instruction Power cable connection diagram 380V/3N/50Hz Breaker Breaker Breaker Master 0# Slave 14# Slave 1. The dimension of power cable connection refer to electical parameters. 2. All wires must be securely connected. 3. Wires must not contact the refrigerating pipes or moving parts of the compressor. PCB instruction ■... - Page 41 ■ Control (communication) wire connection A) conductor (WTC pair with cross section area of at least 0.5mm or 20AWG); B) insulator; C) Screen Master 0# Slave 13# Slave 14# Slave layer (twisted WTC with a screening factor no less than 95%); D) Outer jacket (PVC); Power AC:220V/50Hz adapter...
- Page 42 ■ Setting up address using DIP switch The controller can be used to set the unit's capacity, address and slave unit number. The capacity DIP has been set at delivery time and cannot be changed. The address DIP and slave number DIP need to be set as needed after the unit is installed.
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Page 43: Wired Controller Instruction
Wired Controller Instruction Features MC312 is a wall-mounted LCD controller which directly controls water heater unit through keys on its panel. ■ Temperature setting range: hot water tank 25°C~52°C. ■ A LED is used to indicate the status of the unit (ON/OFF). ■... - Page 44 Controller operating 1. Power on/off Press the ON/OFF key to turn on or turn off a unit. 2. Choose a unit Press “Unit” key, number of the unit will display, press “▲” or “▼” to choose the unit you want, and then press“Enter”...
- Page 45 View parameters View the parameters of the unit on the controller include EWT, LWT, hot water temperature, hot water setting temperature, entering water setting temperature and so on, press “▲”or“▼” to view the parameters. Setting parameters Press the “Password” key to display “PASSWORD” and “00” in the lower left box of the LCD, press the “▲”...
- Page 46 Timer Setting After the “Timer” key is pressed, “WEEK SET” and “TIMER SET” are displayed at the same time on the LCD, indicating access to the weekday adjustment phase. Press the “▲” key or “▼” key to select the weekday of the timer time to be set. After selection, press the “Enter”...
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Page 47: Error Code And Trouble Shooting
Error Code and Trouble Shooting Error code on wired controller When the unit has failure alarm, wired controller will display the error code. Alarm display has two parts, A is error code, B is unit number. If the unit has 2-way valve interlocking function on, when the unit interlocked by 2-way valve, wired controller display "SA". - Page 48 Error code on LED indicator and running status ■ Characters displayed by the LED indicator are explained in the following table. Character Content Character Content Character Content Character Content Character Content Character Content Character Content Character Content Character Content Character Content Character Content...
- Page 49 Trouble shooting Error code Symptom Possible cause Solution 1. A/B communication lines of the wired controller and master unit are incorrectly Check and troubleshoot the connected. communication lines. 2. The communication line has broken off. Rewire the unit, use shielded 3.
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Page 50: Overload Of Compressor Or Fan
Error code Symptom Possible cause Solution 1. Check whether the electric current parameter of the overload protector is configured correctly by 1. Over current of the referring to the electric circuit. compressor #1, the overload protector triggered. 2. Check whether the resistor of the malfunctioned compressor meets The LED indicator of the unit... -
Page 51: Dicharge Superheat Of #1 Is Too Low
Error code Symptom Possible cause Solution 1. Heat exchanger dirty Check and troubleshoot 2. Blocked of refrigerant filter Check and replace. 3. Water temperature too Tune down the water high (condenser) temperature 4. Lack of water (condenser) Check and troubleshoot The LED indicator of the unit 5. - Page 52 Error code Symptom Possible cause Solution 1. Communication line of the Check and troubleshoot the slave unit has loosen communication lines. Reset the addresses of all 2. Incorrect DIP address slave units and check that setting for the slave unit there is no duplicate address Reset the number of slave 3.
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Page 53: Superheat Of #2 Is Too Low
Error code Symptom Possible cause Solution 1. Malfunction of heat Check and troubleshoot exchanger 2. Malfunction of the fan Check and troubleshoot The LED indicator of the unit 3. Insufficient refrigerant or Check and replenish displays ER36 and the wired Low pressure of #2 leakage refrigerant... -
Page 54: Th6 Temperature Sensor
Error code Symptom Possible cause Solution TH4 temperature sensor is Check the control module not properly plugged or has and replug the temperature broken off sensor Test whether the resistance The LED indicator of the unit TH4 temperature sensor is of TH4 sensor meets TH4 temperature sensor displays ER43 and the wired... -
Page 55: Th9 Temperature Sensor Malfunction
Error code Symptom Possible cause Solution TH9 temperature sensor is Check the control module not properly plugged or has and replug the temperature broken off sensor Test whether the resistance The LED indicator of the unit TH9 temperature sensor is of TH9 sensor meets TH9 temperature sensor displays ER48 and the wired... -
Page 56: Low Pressure Sensor
Error code Symptom Possible cause Solution 1. Three lines of the low Reconnect the connecting pressure sensor is incorrectly lines of the low pressure connected sensor 2. The low pressure sensor is Repair or replace the lines of shorted/ open the low pressure sensor The LED indicator of the unit Low pressure sensor... - Page 57 Improper installation can result in water or refrigerant leakage, electrical shock, fire or explosion. ● ● Use only those parts and accessories supplied or specified by Daikin. Ask a qualified installer or contractor to install those parts and accessories. Use of unauthorized parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage, electrical shock, fire or explosion.