Page 1 OSAKA Instruction Manual Heat Pump Air to Water Monobloc Type...
Page 2 1. Responsibility and recommendations INDEX 1. Responsibility and recommendations 7.5 Input/Output contact ....3 7.5.1 Heating/Cooling mode remote contact 2. Specifications ..............8 7.5.2 ON/OFF DHW production remote contact 3. Installation 7.5.3 ON/OFF remote contact ............... 9 7.5.4 EHS Alarm 3.1 Notice for safety installation...
Page 3 1. Responsibility and recommendations 1. RESPONSIBILITY AND RECOMMENDATIONS       ...
Page 4 1. Responsibility and recommendations...
Page 5 1. Responsibility and recommendations CAUTION Proh...
Page 6 1. Responsibility and recommendations Hight temperature...
Page 7 1. Responsibility and recommendations If the same part of the body is exposed to the floor heating for a long time, it could cause low PROHIBITION temperature scalding.   ...
Page 8: Specifications
1. Responsibility and recommendations 2. SPECIFICATIONS • • •...
Page 9: Installation
1. Responsibility and recommendations 3. INSTALLATION CAUTION • • • • • • DANGER • • • • WARNING • • DANGER • • • • • • • • • • • • CAUTION • •...
Page 10 1. Responsibility and recommendations • • R3/4(20A) Circulating water 122.5 122.5 outgoing port R1(25A) R1(25A) Circulating water return port R1 1/4(32A) R1 1/4(32A) Circulating water return port...
Page 11 1. Responsibility and recommendations • • • • • DANGER • • • CAUTION • •...
Page 12 1. Responsibility and recommendations Wiring lid Air outlet Screw Airpurge valve PCB(Terminal) PCB(Main) Terminal block Wiring lid Pressure relief valve Compressor Screw Pump Air outlet PCB (Main) PCB (Terminal) Wiring lid Terminal block Pressure relief valve Airpurge valve Screw...
Page 13 1. Responsibility and recommendations Level3 Level2 DIP SW. Level1 ON 1 2 3 4 6 7 8 Level 3 (Maximum) ON 1 2 3 4 6 7 8 Level 2 (Medium) CAUTION ON 1 2 3 4 6 7 8...
Page 14 1. Responsibility and recommendations Outlet Inlet HP unit DHW tank Mani fold Buffer tank Shut-off valve DHW 3way valve Vibration damper joint DHW tank temperature probe Radiant panel Air bleed valve DHW Electric heater Fill/drain valve EHS* Water line filter...
Page 15 1. Responsibility and recommendations...
Page 16 1. Responsibility and recommendations • CAUTION • • • • • • • • • • • • • Plug loosen tighten...
Page 17 1. Responsibility and recommendations • • • • ON 1 2 3 4 5 6 7 8 Display...
Page 18 1. Responsibility and recommendations • • Hose DANGER DANGER • • • • • • • • • • • • • ATTENTION • • •...
Page 19 1. Responsibility and recommendations CAUTION • • • WARNING • • • • • • • CAUTION • •...
Page 20 1. Responsibility and recommendations Distribution board Circuit breaker • Reset Pump Humidity Sensor Remote 1 18 COM Controller 19 DHW Remote Contact GND 3 20 ON/OFF 10 mm 30 mm 24VAC 4 3-way 21 EHS Alarm COM 5 mixing...
Page 21 1. Responsibility and recommendations WARNING • • • • • • CAUTION • • • • WARNING CAUTION WARNING • • • • • • •...
Page 22 1. Responsibility and recommendations • • • • • • • • • • • • • Remote controller Mounting plate When the wiring is embedded...
Page 23 1. Responsibility and recommendations When the wiring is exposed • Mounting plate Pilot hole diameter depth Screw 30mm • When the wiring is embedded When the wiring is exposed wires clamp wires clamp Hook Hook terminal terminal Remote controller...
Page 24 1. Responsibility and recommendations 1 Remote controller Master Remote controller PCB(Terminal) Remote Controller Shielded cable GND 3 2 Remote controller Master Remote controller PCB(Terminal) Slave Remote controller Remote Controller GND 3 Shielded cable Master Remote controller Slave Remote controller...
Page 25 1. Responsibility and recommendations DIP SW SW1=OFF Master for Zone1 SW1=ON Slave for Zone2 Mounting plate Knock out hole...
Page 26: Remote Controller
1. Responsibility and recommendations 4. REMOTE CONTROLLER → → → → → → → → →...
Page 27 1. Responsibility and recommendations •...
Page 28 1. Responsibility and recommendations 5. OPERATION AND FUNCTIONS OF THE REMOTE CONTROLLER 3 seconds → → • •...
Page 29 1. Responsibility and recommendations 2 ･ 3 1 ･ 2 ･ 3...
Page 30 1. Responsibility and recommendations • • • •...
Page 31 1. Responsibility and recommendations → →...
Page 32 1. Responsibility and recommendations...
Page 33 1. Responsibility and recommendations → → → → →...
Page 34 1. Responsibility and recommendations...
Page 35 1. Responsibility and recommendations 3 seconds 2 ･ 3 2 ･ 3 → →...
Page 36 1. Responsibility and recommendations...
Page 37 1. Responsibility and recommendations 5 ･ 6 5 ･ 6...
Page 38 1. Responsibility and recommendations...
Page 39 1. Responsibility and recommendations Comfort:20℃ Economy:18℃...
Page 40 1. Responsibility and recommendations 3 seconds 2 1 ･ 2...
Page 41 1. Responsibility and recommendations...
Page 42 1. Responsibility and recommendations 4 ･ 5 4 ･ 5 ･ 6...
Page 43 1. Responsibility and recommendations...
Page 44 1. Responsibility and recommendations 50°C DHW set temperature 40°C Comfort 50°C DHW time band Economy 40°C ON OFF 50°C Low tariff time band Night mode time band...
Page 45 1. Responsibility and recommendations 3 seconds...
Page 46 1. Responsibility and recommendations...
Page 47 1. Responsibility and recommendations 3 seconds 4 ･ 5...
Page 48 1. Responsibility and recommendations 3 seconds 1 ･ 4 1 ･ 4 2 2...
Page 49: Electrical Connections
1. Responsibility and recommendations 6. ELECTRICAL CONNECTIONS Reset Pump Humidity Sensor Remote 18 COM Controller 19 DHW Remote Contact GND 3 20 ON/OFF 24VAC 4 3-way 21 EHS Alarm COM 5 mixing valve 22 Dual Set Control 6 Point...
Page 50 1. Responsibility and recommendations...
Page 51 1. Responsibility and recommendations → →...
Page 52 1. Responsibility and recommendations...
Page 53: Unit Management
1. Responsibility and recommendations 7. UNIT MANAGEMENT 7.1.1 7.1.2 PCB(Terminal) 24 Heating Cooling 25 mode...
Page 54 1. Responsibility and recommendations 7.2.1...
Page 55 1. Responsibility and recommendations 7.2.2 7.2.2.1 (Selected by Par5109)
Page 56 1. Responsibility and recommendations 7.2.2.2 (Selected by Par5109)
Page 57 1. Responsibility and recommendations 7.2.3 Additional probe Outdoor air temperature PCB(Terminal) On board probe Outdoor air temperature OUTDOOR T.probe Distance Cable(mm MIN 0.5 30 100m MIN 1.0 8.4.1 8.4.2...
Page 58 1. Responsibility and recommendations 7.2.4 PCB(Terminal) Buffer tank temperature probe BUFFER T.probe Buffer tank → → → →...
Page 59 1. Responsibility and recommendations 7.2.5 → →...
Page 60 1. Responsibility and recommendations 7.2.5.1 → 7.2.5.2 → →...
Page 61 1. Responsibility and recommendations 7.2.5.3 →...
Page 62 1. Responsibility and recommendations 7.2.5.4 → →...
Page 63 1. Responsibility and recommendations 7.2.5.5 →...
Page 64 1. Responsibility and recommendations Heat pump ON Maximum Compressor (Hz) minimum set temp. + 1 Water set temp. (°C) set temp. - 1 set temp. - Hysteresis Comp. OFF Comp. OFF → ON Water temperature is stable Heating ON set point + 1°C...
Page 65 1. Responsibility and recommendations 7.3.1 → → 7.3.1.1 7.3.1.2...
Page 66 1. Responsibility and recommendations (5sec) Water temp. detect (3min) (5min) (3min) → → 7.3.1.3...
Page 67 1. Responsibility and recommendations 7.3.1.4 Level3 Level2 DIP SW. Level1 ON 1 2 3 4 5 6 7 8 Level 3 (Maximum) ON 1 2 3 4 5 6 7 8 Level 2 (Medium) CAUTION ON 1 2 3 4 5 6 7 8...
Page 68 1. Responsibility and recommendations 7.4.1 Water pump deactivation hysteresis (1.0°C)
Page 69 1. Responsibility and recommendations 7.4.2 Water pump deactivation hysteresis (3.0°C) Backup heater hysteresis (3.0°C)
Page 70 1. Responsibility and recommendations 7.4.3 Water pump deactivation hysteresis (3.0°C) Backup heater hysteresis (3.0°C)
Page 71 1. Responsibility and recommendations 7.4.4 DHW Electric heater hysteresis (3.0°C) 7.4.5...
Page 72 1. Responsibility and recommendations 7.5.1 PCB(Terminal) 24 Heating Cooling 25 mode...
Page 73 1. Responsibility and recommendations 7.5.2 PCB(Terminal) 18 COM 19 DHW Remote Contact...
Page 74 1. Responsibility and recommendations → → → → → → → → → → → → → → → →...
Page 75 1. Responsibility and recommendations 7.5.3 PCB(Terminal) 20 ON/OFF 21 EHS Alarm → → → → → →...
Page 76 1. Responsibility and recommendations DHW has priority than Heating/Cooling Heating Heating → →...
Page 77 1. Responsibility and recommendations 7.5.4 PCB(Terminal) 20 ON/OFF 21 EHS Alarm...
Page 78 1. Responsibility and recommendations 7.5.5 PCB(Terminal) Flow switch...
Page 79 1. Responsibility and recommendations 7.5.6 PCB(Terminal) 22 Dual Set Point 23 Control...
Page 80 1. Responsibility and recommendations 7.5.7 7.5.7.1 230V 50Hz PCB(Terminal) 45 Dehumidifier Neutral N 46 Electric heater 47 Alarm Additional water pump1 48 Pump1 Heating Cooling 49 Pump2 mode output...
Page 81 1. Responsibility and recommendations HP unit Space Heating 3way valve Pump 1 Space Heating HP unit 3way valve Buffer tank Pump 1...
Page 82 1. Responsibility and recommendations 7.5.7.2 230V 50Hz PCB(Terminal) 45 Dehumidifier Neutral N 46 Electric heater 47 Alarm Additional water pump2 48 Pump1 Heating Cooling 49 Pump2 mode output...
Page 83 1. Responsibility and recommendations HP unit Space Heating 3way valve Space Heating Pump1 Pump2 Space Heating HP unit 3way valve Buffer tank Pump1 Fan coil Pump2...
Page 84 1. Responsibility and recommendations 7.5.8 230V 50Hz PCB(Terminal) Heating 43 Cooling mode output 44...
Page 85 1. Responsibility and recommendations 7.5.9 7.5.9.1 230V 50Hz PCB(Terminal) 45 Dehumidifier Neutral N 46 Electric heater 47 Alarm Visual or audible signal device 48 Pump1 Heating Cooling 49 Pump2 mode output PCB(Terminal) 45 Dehumidifier Visual or audible signal device...
Page 86 1. Responsibility and recommendations 7.5.9.2 PCB(Terminal) Fan coil unit 45 Dehumidifier Neutral N 46 Electric heater 47 Alarm 48 Pump1 Heating Cooling 49 Pump2 mode output → → → → → → → →...
Page 87 1. Responsibility and recommendations 7.5.10 PCB(Terminal) Night mode...
Page 88 1. Responsibility and recommendations 7.5.11 PCB(Terminal) tariff...
Page 89 1. Responsibility and recommendations 7.5.12 Humidity sensor PCB(Terminal) 17 Humidity Sensor 18 COM 230V 50Hz 45 Dehumidifier Neutral N 46 Electric heater Dehumidifier 47 Alarm 48 Pump1 Heating Cooling 49 Pump2 mode output...
Page 90 1. Responsibility and recommendations hysteresis (10%)
Page 91 1. Responsibility and recommendations...
Page 92 1. Responsibility and recommendations 7.5.13 Zone1 DHW tank Master 3way valve Remote controller HP unit Mixing valve Buffer tank Pump1 Zone2 Salve Pump2 Remote controller...
Page 93 1. Responsibility and recommendations HP unit...
Page 94 1. Responsibility and recommendations HP unit...
Page 95 1. Responsibility and recommendations Zone1 HP unit...
Page 96 1. Responsibility and recommendations Zone1 HP unit Buffer tank Mixing valve Pump1 Zone2 Pump2 → →...
Page 97: Domestic Hot Water Production
1. Responsibility and recommendations 8. DOMESTIC HOT WATER PRODUCTION DHW tank temperature probe HP unit Space Heating DHW tank temperature probe PCB(Terminal) T.probe mode output 50 Neutral Phase 3-way N.C. DHW 3way valve valve Signal...
Page 98 1. Responsibility and recommendations 8.1.1 8.1.2 Minimum compressor OFF-ON time (3min*) time (30sec) (60sec) (30sec) Delay time pump OFF 3way valve changeover time Delay time compressor ON Max. time for DHW request...
Page 99 1. Responsibility and recommendations PCB(Terminal) 18 COM 19 DHW Remote Contact...
Page 100 1. Responsibility and recommendations DHW tank temperature probe HP unit Space Heating...
Page 101 1. Responsibility and recommendations 8.2.1 DHW hysteresis (3.0°C)
Page 102 1. Responsibility and recommendations (15min)
Page 103 1. Responsibility and recommendations 8.2.2 DHW hysteresis (3.0°C)
Page 104 1. Responsibility and recommendations Backup heater HP unit Space Heating...
Page 105 1. Responsibility and recommendations 8.2.3 Over boost hysteresis (5.0°C) DHW hysteresis (3.0°C)
Page 106 1. Responsibility and recommendations DHW hysteresis (3.0°C) → →...
Page 107 1. Responsibility and recommendations Over boost hysteresis (5.0°C) DHW hysteresis (3.0°C) DHW set point DHW Over boost compressor set point (60.0°C) Comfort (50.0°C) stopped Economy (40.0°C)
Page 108 1. Responsibility and recommendations 8.2.4 Product by DHW heater Product by HP unit (5.0deg) Start time time (1:00) Interval (10 min)
Page 109 1. Responsibility and recommendations Backup heater HP unit Space Heating → →...
Page 110 1. Responsibility and recommendations 8.3.1 Water temperature hysteresis (5.0°C)
Page 111 1. Responsibility and recommendations → →...
Page 112 1. Responsibility and recommendations hysteresis (5.0°C)
Page 113 1. Responsibility and recommendations 8.3.2 hysteresis (5min) → →...
Page 114 1. Responsibility and recommendations hysteresis hysteresis Par4612 Par4614 Heater Heater + Heat pump Heat pump...
Page 115 1. Responsibility and recommendations → →...
Page 116 1. Responsibility and recommendations 8.3.3 hysteresis (5.0°C)
Page 117 1. Responsibility and recommendations hysteresis (5.0°C) → →...
Page 118 1. Responsibility and recommendations Space Heating HP unit Mixing valve Buffer tank Pump...
Page 119 1. Responsibility and recommendations 8.4.1 hysteresis (5.0°C)
Page 120 1. Responsibility and recommendations → →...
Page 121 1. Responsibility and recommendations 8.4.2 hysteresis (5min) → →...
Page 122 1. Responsibility and recommendations hysteresis hysteresis Par4073 Par4075...
Page 123 1. Responsibility and recommendations → →...
Page 124: Parameters List
1. Responsibility and recommendations 9. PARAMETERS LIST ...
Page 125 1. Responsibility and recommendations...
Page 126 1. Responsibility and recommendations...
Page 127 1. Responsibility and recommendations...
Page 128 1. Responsibility and recommendations...
Page 129 1. Responsibility and recommendations...
Page 130 1. Responsibility and recommendations...
Page 131 1. Responsibility and recommendations...
Page 132 1. Responsibility and recommendations...
Page 133 1. Responsibility and recommendations → →...
Page 134 1. Responsibility and recommendations...
Page 135 1. Responsibility and recommendations → → → →...
Page 136 1. Responsibility and recommendations → →...
Page 137 1. Responsibility and recommendations...
Page 138: Installation Check And Test Operation
1. Responsibility and recommendations 10. INSTALLATION CHECK AND TEST OPERATION 10.1 ...
Page 139 1. Responsibility and recommendations 10.2 DANGER • • • If one of the following events verifies contact the after sales assistance service: • • • •...
Page 140: Service And Maintenance
1. Responsibility and recommendations 11. SERVICE AND MAINTENANCE 11.1 PCB(Terminal) LED(red) Reset SW. Pump SW. warning icon and error code Display 11.2 ・・・・・ PCB(Terminal) Reset SW. Pump SW.
Page 141 1. Responsibility and recommendations 11.3 → PCB(Terminal) Reset SW. 3seconds...
Page 142 1. Responsibility and recommendations 11.4...
Page 143 1. Responsibility and recommendations...
Page 144 1. Responsibility and recommendations...
Page 145 1. Responsibility and recommendations...
Page 146 1. Responsibility and recommendations ・・・・・・・・...
Page 147 (250V 3A) [Fig. 2] Voltage of Fan motor on the PCB (Main) Osaka 6, Osaka 10 Osaka 16 Fan motor (Osaka 6, Osaka 10) Measure voltage between the connector pins of connector Fuse CF7 Connector shall be checked during Heating or Cooling operation.
Page 148 1. Responsibility and recommendations [Fig. 4] Voltage of Pump on the PCB (Main) Pump(Osaka 6, Osaka 10) Measure voltage between the connector pins of connector Connector shall be checked during Heating or Cooling operation. Measure voltage as follows without taking off the connector...
Page 149 1. Responsibility and recommendations [Fig. 7] Continuity of current Fuse on the PCB (Main) Osaka 6, Osaka 10 Osaka 16 (Main) (Main) Fuse CF2 Osaka6 : 250V T3.15A Osaka10 : 250V T3.15A Fuse CF2 (250V T5A) [Fig. 8] Resistance of the Compressor overheat protection relay 0Ω...
Page 150 1. Responsibility and recommendations Temp.(°C) Resistance(kΩ) Temp.(°C) Resistance(kΩ) Temp.(°C) Resistance(kΩ) Temp.(°C) Resistance(kΩ)
Page 151: Electric Shock
1. Responsibility and recommendations DIP SW. RESET SW. PUMP 17 Humidity Sensor SENSOR(TEMP., OUTDOOR) Remote 18 COM Controller SENSOR(TEMP., DEFROST) DHW Remote Contact GND 3 20 ON/OFF SENSOR(TEMP., DISCHARGE) 24VAC 4 3-way 21 EHS Alarm SENSOR(TEMP., SUCTION) mixing COM 5...
Page 152 1. Responsibility and recommendations 17 Humidity Sensor Remote 18 COM Controller 19 DHW Remote Contact GND 3 20 ON/OFF COMPRESSOR 24VAC 4 EEPROM 3-way 21 EHS Alarm (CONTROLLER) mixing COM 5 22 Dual Set valve Control 6 Point upper...
Page 153 1. Responsibility and recommendations 11.6 ・ 1 ･ 3 • • • Dip SW 4 = ON number monitor data alternately Pump SW. change number...
Page 154 1. Responsibility and recommendations...
Page 155 1. Responsibility and recommendations 11.7 WARNING • • • • • Hot water over 40°C (104°F) may be caused Gasoline, benzine, thinner or cleanser may damage the coating of the unit. discoloring or deformation. • •...