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INDEX

1. INTRODUCTION

2. DESCRIPTION OF UNIT

3. TECHNICAL DATA

4. DIMENSIONS

5. SERVICE AREA

6. INSTALLATION

7.STARTING UP

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PANEL

8.CONTROL

9.UNIT OPERATION

10.TROUBLE SHOOTING

11.SOLAR SYSTEM CONNECTION

12.MAINTENANCE

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Содержание MQD-11

Страница 1: ... Heating Cooling and Domestic Hot Water MANUAL OF INSTALLATION OPERATION AND MAINTENANCE SPLIT MULTIFUNCTIONAL AIR TO WATER HEAT PUMP MQD 14 MQD 17 MQD 20 MQD 8 MQD 23 MQD 11 ...

Страница 2: ... 2 DESCRIPTION OF UNIT 3 TECHNICAL DATA 4 DIMENSIONS 5 SERVICE AREA 6 INSTALLATION 7 STARTING UP 1 1 4 6 7 8 19 PANEL 8 CONTROL 9 UNIT OPERATION 10 TROUBLE SHOOTING 11 SOLAR SYSTEM CONNECTION 12 MAINTENANCE 20 21 27 28 29 ...

Страница 3: ...ges You should check the receiving unit which is in perfect condition If otherwise appropriate to make a written complaint to the carrier 3 ets the safetystandards of the CE Do not tamper with the unit or subject to conditions of work not specified in this manual you may lose any guarantee and or indirect caused by improper installation The equipment should be installed only by a duly accredited p...

Страница 4: ...n pressure high switch 9 High pressure switch 10 Liquid service valve 11 Gas service valve 12 Compressor 13 Compressor crankcase 14 Outdoor fan 15 Outdoor Fan Motor 16 Suction accumulator 17 Compressor soft startcapacitor 18 Liquid separator 19 Compressor soft starter 20 Defrost sensor 21 Outside air temperature sensor 22 Discharge tube 23 Thermal expansion valve 24 Transformer 77 62 4 ...

Страница 5: ...il 6 Injection valve coil 7 Injection pressure high switch 8 High pressure 9 Liquid service valve 10 Gas service valve 11 Compressor 12 Compressor crankcase 13 Outdoor fan 14 Outdoor Fan Motor 15 Suction accumulator 16 Liquid separator 17 Defrost sensor 18 Outside air temperature sensor 19 Discharge tube 20 Thermal expansion valve 21 Transformer ...

Страница 6: ...as line Inch 5 8 Liquid line Inch Compressor type Refrigerant type Refrigerant charging volume Kg 1 9 2 95 4 50 4 6 5 2 Inner water tank Litre Pressure max climate Bar Climate expansion tankvolume Litre Climate output mm DHW water output mm Tap water Climate DHW water input mm DHW Climate safety valve mm Drain valve mm Unit Dimension Indoor unit mm HeightxWeightxLength Outdoor unit mm 830x700x300 ...

Страница 7: ...NICAL CHARACTERS MQD 8 MQD 14 MQD 17 MQD 20 MQD 23 Operating Voltage V Ph Hz 230 1 50 230 1 50 230 1 50 380 3 50 380 3 50 Voltage mí n V 205 205 205 360 360 Voltage max V 253 253 253 440 440 Consume kW 2 45 4 5 4 82 5 2 6 05 A 10 86 19 57 20 96 7 9 9 19 kW 1 98 3 55 3 67 4 15 5 2 A 8 78 15 43 15 96 6 31 7 9 kW 2 2 3 49 4 05 4 57 5 52 A 9 76 15 17 17 61 6 94 8 39 kW 3 3 5 63 6 03 6 5 7 56 A 14 64 2...

Страница 8: ...4 DIMENSIONS 6 77 62 44 57 4 Dimensions in mm C 8 D Gasline Connection Liquid Connection E B A 730 460 330 Outdoor unit MQD 8E MQD 14E ...

Страница 9: ...l to Access Electrical Box MQD 8 MQD 14 MQD 17 MQD 20 A 830 960 1 260 1 460 B 700 970 970 970 C 300 345 345 345 D 350 415 415 415 E 450 640 640 640 9 5 SERVICE AREA The following is the minimum space needed to carry out the tasks of service and maintenance of the units 77 62 44 57 4 Dimensions in mm 200 1 000 300 500 ...

Страница 10: ...orm the corresponding ground Perform the work safely install hydraulic and drainage pipes as shown of this manual During operation of the drive circuit part5s refrigerant compressor line download can reach temperatures inside the unit The unit can work in environments normal residential commercial or light industry The unit can not be installed in explosive atmosphere environment For applications ...

Страница 11: ...necessary to leave the spaces described in paragraph 7 Service Areas 7 276 7 77 62 The outdoor unit must be placed in proper orientation to climatic characteristics of the region where it is installed It should be positioned so that air circulation is free and well avoid recirculation effects detrimental to performance When installing the outdoor unit must be left free the front of the unit which ...

Страница 12: ...Capacity 0 86 Kcal h T º C As T T first exit water temp water return Temp _T 5 º C Example Model MQD 14 Q water 14 600 W 0 86 Kcal h 5 C 2500 l h The temperature difference in air conditioning heat exchanger should be 5 º C approx A high temperature difference can cause a malfunction of the unit and even irreparable damage to it Water flow m3 h 1 m c a 10 Kpa The graph indicates the pressure drop ...

Страница 13: ...water flow is correct Put the unit in HEATING mode Check the water pressure gauge installed in the control panel of indoor unit it must be between 1 and 2 5 bar normal 1 5 bar for properoperation Ensure that all secondary facility is found with water pressure and completely purged of air The existence of air in the air conditioning circuit can cause irreparable damage unit For this reason air disc...

Страница 14: ...hile to retain the mesh filter particles and impurities that could be installed To this should be wired air conditioning pump directly to the network Once that is done and the pump stopped it should close the stopcocks of input and output on the water circuit drain water tank through the drain valve and clean the filter Then fill again the circuit To ensure that no dirt on the circuit should make ...

Страница 15: ... unit See table below support guides so we have access to the terminals of the unit 15 automatic magneto thermal switch and length slightly theunit 6 4 ELECTRICAL CONNECTIONS Before any electrical installation work to ensure that the main switch is disconnected General Recommendations Preliminary operations In the outdoor unit In the indoor unit Before commissioning of the unit must perform the fo...

Страница 16: ...witch Usage Connect to IN7 The 2nd switch function enable our heat pump to be controlled by any additional user s thermostat or remote switches for convenient control Function When 2nd switch is off the heat pump AC mode will run on standby mode no matter the AC water temp reach target or not When 2nd switch is on the heat pump will run according to set temp A Connected to manual switch B Connecte...

Страница 17: ...6 INSTALLATION 17 Outdoor Unit 1 phase Outdoor Unit 3 phases ...

Страница 18: ...rcuit refrigerant and refrigerant charge can be made through service valves sideoftheoutdoorunit Check for leaks in the circuit refrigerant 6 26 77 62 indoor unit see paragraph 6 Dimensiones scheme and since the connections are made The indoor unit comes with a dry nitrogen load incorporated The refrigerant lines of the units interior are a series of adapters and nuts to ensure proper seal until u...

Страница 19: ...ure that pressure is maintained vacuum for at least 15 minutes If pressure is not stable means there is a leak in the circuit so you need to locate and remedy it Once cured repeat the above steps If vacuum pressure is stable it may already be done when necessary refrigerant charge disconnecting the bridge Manometer pressure Low High gauge of the vacuum pump first and keep the bridge gauge closed e...

Страница 20: ...10 20 Enter the refrigerant charge in liquid phase In the outdoor unit has two pressure connections suction and compressor discharge through which pressure can be measured evaporation and condensation of the system in any three functions DHW Heating and Refrigeration Indoor unit incorporates two pressure taps which DHWand heating mode with high pressure measured and cooling mode with low pressure ...

Страница 21: ...unit is shipped with a set point temperature selected by default Modify and adapt these temperatures to the installation of side we have soil heating fan coil etc In extreme weather conditions may be appropriate to amend these 21 Check that the deposits of inertia of climate and the accumulation of DHWare filled Hot water The unit produces only satisfy the demand forDHWwhen such demand i s s atisf...

Страница 22: ...ess then decrease by 1 5 Key up it s a combined key also but opposite to down key Continuous press then continuous increase short press then increase by 1 6 Key confirm confirm previous operations 7 Key mode operational mode s switch It s a combined key also 8 3 Icon Meaning NO Icon meaning NO Icon meaning NO Icon meaning 8 Clock display 9 Returned AC Temp 10 Maintain icon 11 Lock icon 12 Temperat...

Страница 23: ...g order Cooling heating hot water sterilization press to confirm the mode and press key or to setting value then press key to confirm then exit and save current changes if didn t press key to confirm it will exit the parameter modification automatically 15 seconds later Pre vious Changes will not be saved Detailed settings as follows NO Meaning Settled temperature range Default temperature operati...

Страница 24: ... Timing off method are the same as timing on method C Please press key for 3 seconds and come to timing mode press to cancel time setting 9 6 Parameter Checking and setting Please press key M for 3 seconds and enter to parameter setting mode as show below 01 is parameter code 78 is parameter values Other items parameters meaning are the same with above picture showed 1 Press for 5 seconds it will ...

Страница 25: ...witch valve 1 G3 is solar pre heat valve 0 check set 0 continous running 1 stop when reach target temp 0 check set 26 AC water pump working mode 2 Run 1 minute for each 15 minutes after reach target temp 3 Usage of Parameter 26 AC water pump working mode If no AC buffer tank The Parameter 26 better to be set to 0 then AC water pump will work continously to keep the AC loop water temp always equiva...

Страница 26: ...air source 1 water source no Check 08 power switch status 1 DHW invalid 0 DHW valid no Check 09 power switch status 0 G1valid 1 G1 invalid no Check 10 high pressure switch status 1 off 0 on no Check 11 The second high pressure switch status 0 off 1 on no Check 12 Low pressure switch status 1 off 0 on no Check 13 Inside water flow controller 1 off 0 on no Check 14 outside water flow controller 0 of...

Страница 27: ...k 34 settled DHW temp no Check 35 Settled sterilization temp no Check 9 8 Displays for different kinds of modes 1 tritherma water ground source heat pumps icons 2 air source heat pumps icons 3 powered off display water source heat pump has water source Icon If it has timer on off setting there is timer icon to indicate 4 AC cooling display 5 heating display water source heat pump has water source ...

Страница 28: ...to indicate 9 9 way of communication Non polarity double wire maximum running length is 100 meters and point to point connected Back view of wired controller showed below 线控器背面 after change need be repowered to enable the change SW1 8 OFF cooling valid ON cooling invalid SW1 7 OFF heating valid ON heating invalid SW1 6 OFF DHW invalid SW1 5 OFF G1 invalid SW1 4 OFF inverter outdoor model ON on off...

Страница 29: ... Stop AC out water temp sensor E5 Compressor Stop AC Antifreeze protect E9 Compressor Stop DHW temp sensor E6 Compressor Stop DHW antifreeze protect EA Compressor Stop Solar water temp sensor E7 Compressor Stop Coil over heating protec tion E8 Flash 4 times interval 5seconds Depend on outdoor unit high pressure protection P1 Flash 6 times interval 5seconds Depend on out door unit Low pressure prot...

Страница 30: ...t Automatic solar assistant Fuzzy Logic control program built inside to save cost the water will go through solar tank if it can get extra heat from solar heating If in cloudy day the returned water may Domestic hot water will always go through solar tank to be preheated not go through solar tank to avoid heat loss So the heat pump can have a good rest in sunny day to save cost and work more in cl...

Страница 31: ...onnel Here are some checks to be performed Check direction of rotation of the DHW pump and the possible presence of air on the pump Check that the pressure of condensation and evaporation in this mode are accurate at all times depending on the temperature of DHW and outdoor air temperature Check the power consumption Amps of the unit operating conditions at that time Check that the unit in this mo...

Страница 32: ...E MTI 0001 10 The manufacturer reserves the right to make any changes without notice ...

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