CONTENTS AIR TO WATER PWFY-P-VM-E-BU, PWFY-EP-VM-E1-AU, PWFY-EP-VM-E2-AU I.AIR TO WATER 1. GENERAL EQUIPMENT DESCRIPTIONS ....................2 1-1. Unit configuration table ........................2 1-2. Operable temperature range ......................2 1-3. Connectable outdoor unit/heat source unit capacity range.............. 2 2. SPECIFICATIONS ............................ 3 3.
1. GENERAL EQUIPMENT DESCRIPTIONS AIR TO WATER 1-1. Unit configuration table I.AIR TO WATER 1. GENERAL EQUIPMENT DESCRIPTIONS PWFY-EP100VM-E1-AU Model PWFY-P100VM-E-BU PWFY-EP100VM-E2-AU PUHY-P Y(S)NW Y-Series PUCY-P Y(S)KD PUHY-P Y(S)KD R2-Series PURY-P Y(S)NW PUHY-EP Y(S)NW Y-Series PUCY-EP Y(S)KD Outdoor unit (High efficiency) PUHY-EP Y(S)KD R2-Series PURY-P Y(S)NW...
External dimension H × W × D 31-1/2" (30-15/16" without legs) × 17-3/4” × 11-13/16” Net weight kg(lbs) 59 (131) Compressor Type Inverter rotary hermetic compressor Maker MITSUBISHI ELECTRIC CORPORATION Starting method Inverter Motor output Lubricant NEO22 Circulating water Operation volume 0.6~2.15...
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2. SPECIFICATIONS AIR TO WATER Model PWFY-EP100VM-E1-AU 1-phase 220-230-240V 50/60Hz Power source 12.5 Heating capacity 10,800 (Nominal) kcal / h BTU / h 42,700 0.015 Power input 0.068 - 0.065 - 0.063 Current input Temp. range of heating -20~32°C (-4~90°F) R2-Series Outdoor temp.
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2. SPECIFICATIONS AIR TO WATER Model PWFY-EP100VM-E2-AU 1-phase 220-230-240V 50/60Hz Power source Heating capacity 12.5 10,800 (Nominal) kcal / h 42,700 BTU / h Power input 0.025 - 0.026 - 0.027 0.138 - 0.139 - 0.140 Current input -20~32°C (-4~90°F) R2-Series Temp.
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2. SPECIFICATIONS AIR TO WATER Model CMB-PW202V-J Number of branch 1N ~ 220/230/240V Power source 50Hz 60Hz Cooling : 0.019/0.020/0.021 Cooling : 0.018/0.019/0.019 Power input Heating : 0.020/0.022/0.024 Heating : 0.019/0.020/0.021 Cooling : 0.09/0.09/0.09 Cooling : 0.09/0.09/0.09 Current Heating : 0.10/0.10/0.10 Heating : 0.09/0.09/0.09 Galvanized steel plate External finish...
4. CENTER OF GRAVITY AIR TO WATER 4. CENTER OF GRAVITY PWFY-P100VM-E-BU Unit: mm Model PWFY-P100VM-E-BU PWFY-EP100VM-E1/E2-AU Unit: mm Model PWFY-EP100VM-E1-AU PWFY-EP100VM-E2-AU MEES19K013...
7. VIBRATION LEVELS AIR TO WATER 7. VIBRATION LEVELS PWFY-P100VM-E-BU Service panel Measurement location Concrete 20cm 10cm Model Vibration Levels[dBA] PWFY-P100VM-E-BU MEES19K013...
8. OPERATION TEMPERATURE RANGE AIR TO WATER 8. OPERATION TEMPERATURE RANGE PWFY-P100VM-E-BU R2-Series, R2-Series (High efficiency) Heating Outdoor temp. [°CWB] WR2-Series Heating Heat source unit circulating water temp. [°C] MEES19K013...
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8. OPERATION TEMPERATURE RANGE AIR TO WATER PWFY-EP100VM-E1-AU, PWFY-EP100VM-E2-AU Y-Series, Y-Series (High efficiency) Heating Outdoor temp. [°CWB] WY-Series, WR2-Series Heating Heat source unit circulating water temp. [°C] R2-Series, R2-Series (High efficiency) Heating Outdoor temp. [°CWB] MEES19K013...
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8. OPERATION TEMPERATURE RANGE AIR TO WATER Y-Series, Y-Series (High efficiency), R2-Series, R2-Series (High efficiency) Cooling Outdoor temp. [°CDB] WY-Series, WR2-Series Cooling Heat source unit circulating water temp. [°C] ZUBADAN-Series Heating Outdoor temp. [°CWB] ZUBADAN-Series Cooling Outdoor temp. [°CDB] MEES19K013...
9. CAPACITY TABLES AIR TO WATER 9-1. Correction by temperature 9. CAPACITY TABLES Estimated performance without defrost R2-Series/R2-Series (High efficiency) + PWFY-P100VM-E-BU Booster unit inlet-water temp. [°C] Outdoor temp. [°CWB] MEES19K013...
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9. CAPACITY TABLES AIR TO WATER R2-Series/R2-Series (High efficiency) + PWFY-P100VM-E-BU + WCB Energy saving mode* *For energy saving mode, set WCB DIP SW 6-5 ON. Booster unit inlet-water temp. [°C] Outdoor temp. [°CWB] MEES19K013...
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9. CAPACITY TABLES AIR TO WATER Booster unit inlet-water temp. [°C] 65°C 60°C 50°C 40°C 30°C 20°C 10°C Outdoor temp. [°CWB] Booster unit inlet-water temp. [°C] 40°C 30°C 20°C 50°C 10°C 60°C 65°C Outdoor temp. [°CWB] R2-Series Nominal Input (kW) 5.49 7.32 9.37...
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9. CAPACITY TABLES AIR TO WATER Y-Series + PWFY-EP100VM-E1-AU, PWFY-EP100VM-E2-AU Heating HEX unit inlet-water temp. [ °C Outdoor temp. [°CWB] HEX unit inlet-water temp. [°C] 40°C 35°C 30°C 20°C 10°C Outdoor temp. [°CWB] * The dashed lines show the reference values obtained from using the simulation. Nominal Input 5.81 7.34...
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9. CAPACITY TABLES AIR TO WATER Cooling HEX unit inlet-water temp. [°C] Outdoor temp. [°CDB] HEX unit inlet-water temp. [°C] 35°C 30°C 25°C 23°C 20°C 15°C Outdoor temp. [°CDB] Nominal Input 5.19 6.88 8.56 11.69 13.55 14.79 18.39 16.66 19.43 20.97 24.69 26.56 27.86 30.18 31.46 30.25 32.10 35.01 38.62 40.24 44.10 43.80 47.80 47.40 (kW) * The nominal input values for outdoor units above are referential values for a system in which the PWFY units are connected to the outdoor units to its 100% capacity.
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9. CAPACITY TABLES AIR TO WATER Y-Series (High efficiency) + PWFY-EP100VM-E1-AU, PWFY-EP100VM-E2-AU Heating HEX unit inlet-water temp. [ °C Outdoor temp. [°CWB] HEX unit inlet-water temp. [°C] 40°C 35°C 30°C 20°C 10°C Outdoor temp. [°CWB] * The dashed lines show the reference values obtained from using the simulation. Nominal Input 5.73 7.68...
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9. CAPACITY TABLES AIR TO WATER Cooling HEX unit inlet-water temp. [°C] Outdoor temp. [°CDB] HEX unit inlet-water temp. [°C] 35°C 30°C 25°C 23°C 20°C 15°C Outdoor temp. [°CDB] Nominal Input 5.19 6.89 8.56 11.69 12.26 14.79 18.72 16.62 18.59 18.15 20.15 21.85 23.43 25.53 27.22 30.33 31.04 34.40 38.15 41.53 42.76 45.90 46.94 50.00 (kW) * The nominal input values for outdoor units above are referential values for a system in which the PWFY units are connected to the outdoor units to its 100% capacity.
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9. CAPACITY TABLES AIR TO WATER R2-Series + PWFY-EP100VM-E1-AU, PWFY-EP100VM-E2-AU Heating HEX unit inlet-water temp. [ °C Outdoor temp. [°CWB] HEX unit inlet-water temp. [°C] 40°C 35°C 30°C 20°C 10°C Outdoor temp. [°CWB] * The dashed lines show the reference values obtained from using the simulation. Nominal Input (kW) 5.49 7.32...
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9. CAPACITY TABLES AIR TO WATER Cooling HEX unit inlet-water temp. [°C] Outdoor temp. [°CDB] HEX unit inlet-water temp. [°C] 35°C 30°C 25°C 23°C 20°C 15°C Outdoor temp. [°CDB] Nominal Input (kW) 5.29 6.98 9.10 11.76 13.71 14.32 17.77 22.18 19.32 21.28 24.24 26.23 28.30 29.26 29.79 34.83 38.56 41.54 45.09 * The nominal input values for outdoor units above are referential values for a system in which the PWFY units are connected to the outdoor units to its 100% capacity.
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9. CAPACITY TABLES AIR TO WATER R2-Series (High efficiency) + PWFY-EP100VM-E1-AU, PWFY-EP100VM-E2-AU Heating HEX unit inlet-water temp. [ °C Outdoor temp. [°CWB] HEX unit inlet-water temp. [°C] 40°C 35°C 30°C 20°C 10°C Outdoor temp. [°CWB] * The dashed lines show the reference values obtained from using the simulation. Nominal Input (kW) 6.41 8.45...
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9. CAPACITY TABLES AIR TO WATER Cooling HEX unit inlet-water temp. [°C] Outdoor temp. [°CDB] HEX unit inlet-water temp. [°C] 35°C 30°C 25°C 23°C 20°C 15°C Outdoor temp. [°CDB] Nominal Input (kW) 5.48 7.25 9.20 12.57 12.56 14.83 18.30 22.00 19.54 22.12 25.97 25.99 25.93 28.48 30.98 33.23 37.66 40.83 44.76 * The nominal input values for outdoor units above are referential values for a system in which the PWFY units are connected to the outdoor units to its 100% capacity.
9. CAPACITY TABLES AIR TO WATER 9-2. Correction by total indoor Total capacity of PWFY-(E)P100VM-E(1, 2)-BU/AU Total capacity of indoor units [%] Total capacity of indoor units [%] Note Out of warranty at 50% or less due to unit's turn on-off. MEES19K013...
9. CAPACITY TABLES AIR TO WATER 9-4. Water pressure drop PWFY-P100VM-E-BU (with strainer) PWFY-P100VM-E-BU (with strainer) Water pressure drop of strainer Booster unit inlet-water volume [m PWFY-EP100VM-E1-AU, PWFY-EP100VM-E2-AU (with strainer) PWFY-EP100VM-E1/E2-AU (with strainer) Water pressure drop of strainer HEX unit inlet-water volume [m 9-5.
10. ACCESSORIES AIR TO WATER PWFY 10. ACCESSORIES (A) Strainer (B) Heat insulation material (C) Expansion joint 2 (D) Wire (E) Flow switch (F) Buffer material *1. PWFY-P100VM-E-BU only *2. PWFY-EP100VM-E1/E2-AU only (A) Install the strainer at the water pipe inlet. (B) This insulation is for exclusive use with the strainer.
11. OPTIONAL PARTS AIR TO WATER 11-1. Solenoid valve kit 11. OPTIONAL PARTS PAC-SV01PW-E (For PWFY-EP100VM-E1-AU *1) Unit: mm *1 PWFY-EP100VM-E2-AU do not need PAC-SV01PW-E because they are built in with the same functions. MEES19K013...
11. OPTIONAL PARTS AIR TO WATER 11-2. Remote controller PAR-W21MAA specifications Item Description Operations Display ON/OFF Runs and stops the operation of a group of units Switches between Hot Water / Heating / Heating ECO / Anti-freeze / Cooling Operation mode switching * Available operation modes vary depending on the unit to be connected.
12. ELECTRICAL WORK AIR TO WATER 12-1. General cautions 12. ELECTRICAL WORK Electrical work should be done by qualified electrical engineers in accordance with "Engineering Standards For Electrical Installation" and supplied installation manuals. Special circuits should also be used. If the power circuit lacks capacity or has an installation failure, it may cause a risk of electric shock or fire.
12. ELECTRICAL WORK AIR TO WATER 12-3. Power cable specifications Minimum wire thickness (mm Local switch (A) Breaker for Breaker for wiring Model current leakage (NFB) (A) Main cable branch Ground capacity fuse PWFY-P100VM-E-BU 30 A 30 mA 0.1 sec or less Minimum wire thickness (mm Local switch (A) Breaker for...
12. ELECTRICAL WORK AIR TO WATER 12-4. Connecting remote controller, indoor and outdoor transmission cables Connect unit TB5 and outdoor unit TB3. (Non-polarized 2-wire (shield)) The "S" on unit TB5 is a shielding wire connection. For specifications about the connecting cables, refer to the outdoor unit installation manual.
12. ELECTRICAL WORK AIR TO WATER 12-5. Connecting electrical connections Verify that the model name on the operating instructions on the cover of the control box is the same as the model name on the nameplate. Remove the screws holding the terminal box cover in place. ▪PWFY unit ▪Solenoid valve kit (A) Screws...
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12. ELECTRICAL WORK AIR TO WATER ▪PWFY unit (A) To prevent external tensile force from applying to the wiring connection section of power source terminal block use buffer bushing like PG connection or the like. (B) External signal input cable (C) External signal output cable (D) Power source wiring (E) Tensile force...
13. CONTROL AIR TO WATER 13-2. Indoor unit address setting (Be sure to operate with the main power turned OFF.) <Address board> SWU2 SWU1 SWU3 13-2-1. Switch operation (BC controller) There are two types of rotary switch setting available: setting addresses 1 to 9 and over 10, and setting branch numbers. a) How to set addresses Example: If Address is "3", SWU2 (for over 10) remains at "0", and match SWU1 (for 1 to 9) to "3".
13. CONTROL AIR TO WATER 13-3. External input/output function Preset temperature input (external analog input: 4mA-20mA) External input Input through CN421, CN422 on the circuit board. current current External direction direction analog input Current generator External analog input Use the supplied connector. If no temperature settings are made via the MA remote controller, the temperature changes with the current of generator.
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13. CONTROL AIR TO WATER External input terminal The piping length must be within 100 m. External input terminal (refer to [Fig. 1-7-B]) is ineffective when the circuit is open. Refer to [Table 2] through [Table 4] for information about each contact. Only the "pump interlock"...
14. PIPING DESIGN AIR TO WATER 14-1. Solenoid valve kit piping design 14. PIPING DESIGN SV kit SV kit SV kit SV kit *Do not install the Solenoid valve kit on the square-arch-shaped piping as shown in the figure above. Piping length limitation Item Piping in the figure...
14. PIPING DESIGN AIR TO WATER 14-2. WCB piping design OU/HU Indoor/ (Line branch Header branch PWFY branch possible) PWFY branch Capped Line branch (Header branch possible) Item Piping in the figure Maximum length Total piping length A+B+C+D+E+a+b+c+d+e+f+g 165 m Farthest IU from OU/HU A+C+D+E+g/A+B+c (Max.
14. PIPING DESIGN AIR TO WATER 14-3. Refrigerant charging calculation (PWFY-AU with R2 system) It is needed to add extra refrigerant if the system is under the following conditions. See the attachment for how to decide the amount of refrigerant to be added to each outdoor unit. The graph below shows an example.
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14. PIPING DESIGN AIR TO WATER PURY-P400 PURY-EP400 PURY-P450 PURY-EP450 Additional Additional Refrigerant Refrigerant OK Zone OK Zone 28 30 34 36 38 40 48 50 System refrigerant [kg] System refrigerant [kg] PURY-P500 PURY-EP500 PURY-P550 PURY-EP550 Additional Additional Refrigerant Additional Refrigerant OK Zone OK Zone...
15. INSTALLATION AIR TO WATER 15-1. How to calculate the necessary heating capacity 15. INSTALLATION Heating capacity calculation A. For Air conditioning using such as Panel Heaters, Floor Heating and Fan coil units Required total heating capacity Safety factor; PWFY unit Tank B.
15. INSTALLATION AIR TO WATER 15-2. Selecting an installation site Do not install outdoors. The unit is not waterproof. Back up system is recommended in case of PWFY unit breakdown. The unit will get hot. Do not install in a location where heat gets trapped inside. ...
15. INSTALLATION AIR TO WATER 15-4. Installing the unit 15-4-1. Lifting method Be very careful when carrying the product. - Do not have only one person to carry product if it is more than 20 kg. - Do not tilt the unit while transporting. - PP bands are used to pack some products.
15. INSTALLATION AIR TO WATER 15-5. Refrigerant pipe and drain pipe specifications 15-5-1. Refrigerant pipe and drain pipe specifications To avoid dew drops, provide sufficient anti-sweating and insulating work to the refrigerant and drain pipes. When using commercially available refrigerant pipes, be sure to wind commercially available insulating material (with a heat-resisting temperature of more than 100 °C and thickness given below) onto both liquid and gas pipes.
15. INSTALLATION AIR TO WATER 15-6. Connecting refrigerant pipes and drain pipes 15-6-1. Refrigerant piping work This piping work must be done in accordance with the installation manuals for both outdoor unit and BC controller/WCB (simultaneous cooling and heating R2-Series). ...
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15. INSTALLATION AIR TO WATER 15-6-3. PWFY-AU in cooling operation (Y, HP (ZUBADAN), WY system) Add brine, assuming that the temperature will drop to -20°C. Set Dip SW 1-10 (on ATW unit) to ON if brine is added. * With the WY system, the above steps apply only when operating the WY at the water temperature below 10ºC. Cautions On Refrigerant Piping ...
15. INSTALLATION AIR TO WATER 15-7. Water pipe installation Water circuit sample Solid arrows in the figure indicate Roof the direction of water flow. Overflowed water City water To drain outlet PWFY Field supply Uphill gradient ≥ 1/200 Water-side Tank heat exchanger Tank Outlet...
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15. INSTALLATION AIR TO WATER Caution for water pipe installation Consider the following when designing and installing a water piping system. Do not use steel pipes as water pipes. - Copper pipes or stainless steel pipes are recommended. If iron pipes are used in the existing system, do not connect a new circuit to the old one.
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15. INSTALLATION AIR TO WATER Example of unit installation [Fig. 3-1-B] (C) (G) (A) Close valve (B) Water inlet (C) Water outletav (D) Refrigerant piping (E) Y-type strainer (F) Drain pipe (G) Expansion joint Insulation installation The surface temperature of the water pipe would be very high, depending on the set temperature. Insulate the pipe to prevent burns.
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15. INSTALLATION AIR TO WATER Installation procedures 1) Remove the pipes attached to the flow switch. Note: The unit is shipped with the pipes loosely tightened. 2) Wrap seal tape around the threads at the end of the pipes, starting at the 1.5th or 2nd thread, and not over the openings. Apply two to three wraps in the direction of the pipe threads (clockwise).
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15. INSTALLATION AIR TO WATER Water processing and water quality control To preserve water quality, use the closed type of cooling tower for unit. When the circulating water quality is poor, the water heat exchanger can develop scales, leading to a reduction in heat-exchange power and possible corrosion of the heat exchanger.
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15. INSTALLATION AIR TO WATER Brine When PWFY-AU is used under the conditions described in 15-6-2. and 15-6-3. Brine is required to add. Set Dip SW 1-10 (on ATW unit) to ON if brine is added. Brine concentration [wt%] ethylene glycol propylene glycol Brine concentration [wt%] ethylene glycol...
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15. INSTALLATION AIR TO WATER Pump interlock The unit may become damaged if it is operated with no water circulating through the pipes.Be sure to interlock unit oper- ation and the water-circuit pump. In the system including PWFY-P100VM-E-BU, use the terminal blocks for interlocking TB142A (IN1) that can be found on the unit.
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15. INSTALLATION AIR TO WATER In a system that includes PWFY-EP100VM-E1-AU, if the operation of the pump is interlocked with the operation of the air conditioning units AND if the Solenoid valve kit (PAC-SV01PW-E) is connected to the system, connect the wires as shown in [Fig.
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- Doing so may cause the unit or pipes to burst, or result in explosion or fire during use, repair, or at the time of disposal of the unit. - It may also be in violation of applicable laws. - MITSUBISHI ELECTRIC CORPORATION cannot be held responsible for malfunctions or accidents resulting from the use of the wrong type of refrigerant.