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TriTherma Slim MQD-11DC, Установка, эксплуатация и техническое обслуживание

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9. INSTALLATION

Wiring Diagram

Indoor Unit

Outdoor Unit

14

2nd AC Switch Usage

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 Connected to any user's thermostat

.

C Connected to both manual switch

together with any user's thermostat

.

IN7(10)

Содержание MQD-11DC

Страница 1: ... Heating Cooling and Domestic Hot Water MQD 11DC MANUAL OF INSTALLATION OPERATION AND MAINTENANCE SPLIT MULTIFUNCTIONAL AIR TO WATER HEAT PUMP MQD 15DC DC INVERTER TECHNOLOGY MQD 8DC ...

Страница 2: ...TECHNICAL DATA 6 OUTDOOR DIMENSION 7 SERVICE AREA 8 INSTALLATION 9 STARTING UP 3 3 5 7 7 8 18 PANEL 10 CONTROL 11 UNIT OPERATION 12 TROUBLE SHOOTING 13 SOLAR SYSTEM CONNECTION 14 MAINTENANCE 19 20 26 27 28 4 OPERATION LIMITS 6 5 INDOOR DIMENSION 6 ...

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: ... 3 4 way valve 10 Injection Valve 8 Accumulator 4 Liquid service valve 5 Gas service valve 9 Compressor 11 Liquid seperator 12 Outdoor fan guard and fan 13 Copper fin heat exchanger 6 Expansion valve 4 2 Outdoor control board 3 4 5 10 6 7 8 9 11 12 13 77 62 ...

Страница 5: ... line Inch 5 8 Liquid line Inch Compressor type Refrigerant type Refrigerant charging volume Kg 2 4 2 95 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 860x870x325 960x970x345 Pac...

Страница 6: ...7 Tª Outdoor Air Temp ºC Temperatura Salida de Agua ºC 8 260 252 260 7 Tª Outdoor Air Temp ºC Temperatura Salida de Agua ºC 8 260 252 7 Tª Outdoor Air Temp ºC Temperatura Salida de Agua ºC 6 6 77 62 44 57 4 730 460 330 5 INDOOR DIMENSION ...

Страница 7: ...MQD 11E MQD 15E 7 MODEL DIMENSIONS in mm MQD 11DC MQD 15DC A 860 960 B 870 970 C 325 345 D 365 415 E 500 640 MQD 8DC 830 700 310 350 350 7 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 8: ... Perform 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 applicat...

Страница 9: ... 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 10: ...y 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 of cool...

Страница 11: ...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 12: ...h 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 this operation as ofte...

Страница 13: ...ust come from the outdoor unit 2 communication cables no polarity 3 x 4 mm cables of SUPPLY 230 1 50 SUPPLY ELÉCTRIC Power supply connection and interconnection between units Checking Wiring diagram with the unit before connection INDOOR UNIT OUTDOOR UNIT MODEL Outdoor power supply Indoor power supply Communication MQD 8 MQD 11 MQD 15 3x4mm 3x4mm Signal no polarity 2x 0 5mm The power to the unit m...

Страница 14: ...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 Connected to any user s thermostat C Connected to both manual switch together with any user s thermostat IN7 10 ...

Страница 15: ...it 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 use ...

Страница 16: ...ce the vacuum to turn off the bridge of gauges and off the vacuum pump making sure 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 pres...

Страница 17: ...10 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 Hig...

Страница 18: ...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 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 atisfied...

Страница 19: ...s 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 10 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 Temperatu...

Страница 20: ...y 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 operation for modify settled para meters 1 AC cooling returned water temp 10 25 12 M M or 2 AC Heating returned water temp 10 55...

Страница 21: ...ting then press key to confirm B 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 21 11 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 s...

Страница 22: ...tion is to use solar to preheat for room heating and DHW tank water When this parameter is 0 G3 is seasonal switch valve when the heat pump is working for heating G3 is on when heat pump is working for cooling G3 is off Normally use one 3 way valve with 3 wires 2 wires are always connected with electricity supply and 1 signal wire is connected with heat pump G3 terminal port to enable function 22 ...

Страница 23: ...invalid 1 DHW valid check 09 Switch input status 0 G1 valid 1 G1 invalid check 10 high pressure swithc status 0 off 1 on check 11 overcurrent protect switch status 0 off 1 on check 12 low pressure swithc status 0 off 1 on check 13 inside water flow switch 0 off 1 on check 14 outside water flow switch 0 off 1 on check 15 The 2nd high pressure switch status 0 off 1 on check 16 defrost check 17 air c...

Страница 24: ...eat pump has water source Icon If it has timer on off setting there is timer icon to indicate 29 C4 water pump 1 run 0 stop check 30 C5 water pump 1 run 0 stop check 31 C6 water pump 1 run 0 stop check 32 functional parameter 0 99 accumulated days from last legionella until now check 33 Target cooling temp check 34 Target heating temp check 35 Target hot water temp check 36 Target legionella temp ...

Страница 25: ...ndicate 11 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 ou...

Страница 26: ...Red and shining Only for Inverter outdoor unit F3 Compressor stopped abnormally Red and shining Only for Inverter outdoor unit F4 outdoor module radiator tansducer error Red and shining Only for Inverter outdoor unit F5 Outdoor unit current transducer error Red and shining Only for Inverter outdoor unit F6 IPM or module control board error Red and shining Only for Inverter outdoor unit F7 Compress...

Страница 27: ...utomatic 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 cloud...

Страница 28: ...el 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 mode ...

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