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MCAC-RTSM-2012-07                                                                                                                      M-thermal Technical Manual(part 1) 

Midea M-thermal 

Heat Pump Water Heater   

Technical Manual 

 

 

 

 

 

 

 

 

 

 

               

 

   

         

   

 

 

 

 

 

 

 

 

 

 

 

 

 

Midea reserves the right to discontinue, or change at any time, specifications or designs without  notices and 
without incurring obligations. 

 

 

 

LRSJF-V120/SN1-610 

LRSJF-V140/SN1-610   

Outdoor unit 

 

 

LSX-300XP/D15B11 

 

Water tank 

 

 

 

SMK-120/CSD80GN1 

SMK-140/CSD80GN1 

Indoor unit 

 

 

TMK-01 

 

Solar

 

kit 

Summary of Contents for CSD80GN1

Page 1: ...chnical Manual Midea reserves the right to discontinue or change at any time specifications or designs without notices and without incurring obligations LRSJF V120 SN1 610 LRSJF V140 SN1 610 Outdoor u...

Page 2: ...ar kit 11 6 Performance data 12 6 1 Heating performance data of 14kw model 12 6 2 Cooling performance data of 14kw model 12 6 3 Heating performance data of 12kw model 13 6 4 Cooling performance data o...

Page 3: ...ht 1327 Depth 348 89 101 380V 415V 50Hz 3 Ph LRSJF V140 SN1 610 Hydraulic indoor unit SMK 120 CSD80GN1 Width 900 Height 500 Depth 375 63 75 380V 415V 50Hz 3 Ph SMK 140 CSD80GN1 Solar kit TMK 01 Width...

Page 4: ...MCAC RTSM 2012 07 M thermal Technical Manual part 1 4 2 External Appearance LRSJF V120 SN1 610 LRSJF V140 SN1 610 SMK 120 CSD80GN1 SMK 140 CSD80GN1 TMK 01...

Page 5: ...utdoor unit CE L RSJF V120 SN1 610 Design code Refrigerant type R410a 380 415V 3phase 50Hz Heating Capacity 12000W Compressor type DC inverter compressor Split type Midea Heat Pump water heater Heatin...

Page 6: ...W Electric heater Power type 3ph 380V Water cycle type Heating Capacity 8000w Hydraulic modular Export model code Design code Solar heating unit Export model code Design code E heater power 1500w Elec...

Page 7: ...om oil leakage fire explosion etc Five operating mode 1 Space cooling 2 Space heating 3 Water heating 4 Space cooling water heating 5 Space heating water heating 4 2 Environmental friendly a R410a ref...

Page 8: ...d in a new house warm air spreads gently across the house making it comfortable and enabling the use of broad space without necessitating radiators or FCU 4 10 Comfort System When floor heating is app...

Page 9: ...Refrigerant pipe Liquid side mm 9 52 9 52 Gas side mm 16 16 Max length m 50 50 Max difference between outdoor unit and indoor unit m 15 15 Compressor Model TNB306FPNMC TNB306FPNMC Type Rotary Rotary B...

Page 10: ...2 32 Unit Dimension W H D mm 900 500 375 900 500 375 Packing W H D mm 1110 610 510 1110 610 510 Net gross weight kg 63 75 63 75 E heater Size kW 4 4 Quantity 1 1 specification Ph V 3 400 3 400 E heate...

Page 11: ...ross weight kg 80 91 E heater specification kW 1 5 Quantity 1 Power supply Ph V 1 220 240 50 Tank material SUS304 Water pipeline Water inlet pipe mm DN20 Water outlet pipe mm DN20 PT valve joint MPa D...

Page 12: ...851 4 05 14871 4251 3 5 13036 4472 2 92 11897 4410 2 7 6531 3293 1 98 15 12 17258 3629 4 76 17077 4046 4 22 14503 4003 3 62 13969 4205 3 32 7162 2676 2 68 25 17 13570 2331 5 82 14152 2640 5 36 11336 2...

Page 13: ...52 11589 3978 2 91 11257 4171 2 70 5731 3015 1 90 15 12 17436 3682 4 74 17029 4100 4 15 14311 4056 3 53 13508 4226 3 20 6872 2618 2 62 25 17 13181 2133 6 18 13412 2436 5 51 11683 2457 4 75 10320 2365...

Page 14: ...MCAC RTSM 2009 09 Midea Heat Pump Water Heater Technical Manual 14 7 Wiring Diagrams 7 1 Outdoor units wiring diagram Model CE LRSJF V120 SN1 610 CE LRSJF V140 SN1 610...

Page 15: ...MCAC RTSM 2009 09 Midea Heat Pump Water Heater Technical Manual 15 7 2Hydraulic indoor units wiring diagram Model SMK 120 CSD80GN1 SMK 140 CSD80GN1...

Page 16: ...MCAC RTSM 2009 09 Midea Heat Pump Water Heater Technical Manual 16 8 Exploded View 8 1 Exploded view of outdoor units Model CE LRSJF V120 SN1 610 CE LRSJF V140 SN1 610...

Page 17: ...01690590359 21 Electronic expansion valve ass y 1 201690590595 22 Compressor 1 201401500270 23 Gas liquid separator 1 201601100084 24 DC Motor 2 202400300216 25 E part box ass y 1 203390590094 25 1 Ma...

Page 18: ...MCAC RTSM 2009 09 Midea Heat Pump Water Heater Technical Manual 18 8 2 Exploded view of hydraulic indoor units Model SMK 120 CSD80GN1 SMK 140 CSD80GN1...

Page 19: ...3 32A MCB 2 202301620210 33 Shaft 2 201256390035 10 4 AC contactor 4 202300850054 34 Electric heater 2 202403101682 10 5 Transformer 1 202300900109 35 Outlet pipe components 1 201656390016 10 6 Wire j...

Page 20: ...MCAC RTSM 2009 09 Midea Heat Pump Water Heater Technical Manual 20 8 3Exploded view of water tank 1 5 1 4 1 6 1 9...

Page 21: ...nts 1 P0000613631 1 1 9 Drainage fittings 1 201290590138 1 1 10 Outlet pipe components 1 P0000613665 1 2 Magnesium anode 1 202990590003 1 3 TP relief valve 1 201601601206 1 4 Three Terminal Block 1 20...

Page 22: ...1111 3 3 plate exchanger inlet pipe ass y 1 201656390005 3 4 plate exchanger inlet outlet pipe 2 201656390001 4 right foam 1 202656390002 5 adapter 2 201600401064 6 connecting pipe 1 201656390004 7 Sh...

Page 23: ...Part 2 Installation 1 Outdoor unit installation 2 2 Hydraulic modular unit installation 12 3 Installation of the solar kit 18 4 Installation of sanitary water tank 22 5 Filed wiring 27...

Page 24: ...itch or breaker before the unit maintenance 6 Ask the customer to keep the Installation Manual together with the Owner s Manual 7 Some tools as follow table should be prepared before installation 1 Ph...

Page 25: ...lly 1 3 Installation place Please keep away from the following place or malfunction of the machine may be caused 1 There is combustible gas leakage 2 There is much oil including engine oil ingredient...

Page 26: ...strong wind like a coast or on a high storey of a building secure a normal fan operation by using a duct or a wind shield When the outdoor unit is installed in an elevated position be sure to secure i...

Page 27: ...1 4 Dimensions of the outdoor unit 1 5 Installation space 1 Single unit installation...

Page 28: ...2 Parallel connect the two units or above 3 Parallel connect the front with rear sides...

Page 29: ...door unit to prevent it from deforming 3 Do not touch the fan with hands or other objects 4 Do not lean it more than 45 and do not lay it sidelong 5 Make concrete foundation according to the specifica...

Page 30: ...nd repair after knocking open please pay attention to the installation place lest cause the inconvenience Please do the moth proofing for the knocked out hole to avoid the pest processing into and des...

Page 31: ...ting layer at least more than 15mm When the external diameter of copper pipe 15 9mm the thickness of the insulating layer at least more than 20mm 3 Please use attached heat insulating materials do the...

Page 32: ...e the L shape metal plate otherwise can not wiring Back out pipe Undersurface outlet pipe the knock out should from inside to outside and then piping and wiring through this Pay attention to the pipin...

Page 33: ...rge With Vacuum Pump After the airtight test we should remove the air in the refrigerant connecting pipes 1 Using vacuum pump to do the vacuum never using refrigerant to expel the air 2 Vacuuming shou...

Page 34: ...llowing requirements The installation location is frost free The space around the unit is adequate for serving The space around the unit allows for sufficient air circulation There is a provision for...

Page 35: ...nly for installations with sanitary hot water tank 3m Maximum allowable distance between the sanitary hot water tank and the indoor unit only for installations with sanitary hot water tank The thermis...

Page 36: ...stalled level air might get trapped in the water circuit resulting in malfunctioning of the unit Pay special attention to this when installing an indoor unit to prevent overflow of the drain pan Hang...

Page 37: ...sion vessel To facilitate service and maintenance install one shut off value at the water inlet and one shut off value at the water outlet of the indoor unit Drain taps must be provided at all low poi...

Page 38: ...is too high may cause heating cooling capacity reduction the heat exchanger freeing and the pump damage Warning If the indoor unit is not running for 24 hours the pump in the indoor unit and the auxi...

Page 39: ...er Check that the auxiliary heater vessel is filled with water by screw off the vent valve two laps it will be full of water until finish draining off the air NOTE During filling it might not be possi...

Page 40: ...1 Accessories supplied with the solar kit 3 2 Main components of the solar kit 1 left EPP casing 8 Return connection to solar pump station 2 Left right foam fixed screw 9 Non return valves 3 Sanitary...

Page 41: ...ts copper tubing and brazed spots may corrode Where volatile flammable gas like thinner or gasoline is used Where machines generating electromagnetic waves exist the control system may malfunction Whe...

Page 42: ...mediately to the carrier claims agent Check if all unit s accessories are enclosed Bring the unit as close as possible to its final installation position in its original package in order to prevent da...

Page 43: ...e EPP casing onto the solar kit Mount the EPP lid onto the right side of the EPP casing Mount the right side of the EPP casing onto the solar kit Take case that the pump cable is routed via the holes...

Page 44: ...nt if it is inevitable consult the supplier The site contains mineral oils such as cutting lubricant Seaside where the air contains much salt Hot spring area where corrosive gases exist e g sulfide ga...

Page 45: ...4 3 Dimensions and service space Before installing the unit reserve the space of maintenance shown in the following figure The dimensions of the water tank as following figure...

Page 46: ...important that the storage capacity of the sanitary hot water tank meets normal daily fluctuations In consumption of sanitary hot water without any fall of the water outlet temperature during use Imme...

Page 47: ...If required connect a recirculation pump in between the hot water end point and the outlet pipe in the sanitary hot water tank 4 5 Piping Connection Pipeline Connection Sketch...

Page 48: ...ature of water The drainage pipe should be well installed in order to avoid freezing up in cold weather Do not press the handle of PT Valve Do not dismantle the PT Valve Do not block off the Drainage...

Page 49: ...er and control box service panel Cable tie mountings are provided at the bottom of the control box Fix all cables using cable ties field supply A dedicated power circuit is required for the auxiliary...

Page 50: ......

Page 51: ...or unit Outdoor unit Signal wire mm2 Weak electric signal 3 core shielded wire 3 X 0 5 2 Indoor unit wiring diagram Cable specification NO Description Require number of core Section of the conductor 1...

Page 52: ...ower circuit and cable requirements Power supply for the indoor units is to be provided through the indoor side Data communication with the outdoor unit is provided through the cable which labeled as...

Page 53: ...ments 1 Power supply 220 240V 50Hz or battery operated 2 Contact voltage 220 240V 50Hz Procedure 1 Connection of the thermostat cable to the appropriate terminals shown on the wiring diagram 2 Fix the...

Page 54: ...2 Fix the cable s with cable ties to the cable tie mountings to ensure strain relief Electrical Connection of Water Pump Water pump specification Power supply 220 240V 50Hz Maximum running current 2A...

Page 55: ...d some switch signal to control the input situation then directly connect the corresponding wire terminal of this machine with the corresponding terminals of the external heat source 2 If the external...

Page 56: ...The connection is described in the following figure The wiring terminal diagram as following figure...

Page 57: ...ic heater during solar heating For wiring examples refer to the following drawings If the solar energy pump cannot set the sanitary hot water tank temperature below 60 then use the connecting method a...

Page 58: ...structions given below The sanitary hot water tank must be earthed via the indoor unit Power circuit and cable requirements CAUTION Be sure to use a dedicated power circuit Never use a power circuit s...

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Page 61: ...er heating 4 Selection of features 4 Silent mode 4 Run test function 4 Air purge function 4 Note 4 The functions space cooling space heating and sanitary water heating can only be selected when the co...

Page 62: ...e control box applies only to units with optional sanitary hot water tank installed D Earth wiring Make sure that the earth wires have been connected properly and that the earth terminals are tightene...

Page 63: ...ble external static pressure ESP expressed in mmH2O in function of the water flow l min is shown in the previous section CAUTION If the external pressure loss of the water circuit is too high it is ne...

Page 64: ...ng Space cooling Sanitary water heating Space heating Sanitary water heating Space cooling sanitary water heating Selection of features Silent mode Run test function Air purge function Note The functi...

Page 65: ...This button allows manual switching between cooling or heating mode Space cooling Space heating temperature setting button Enable or disable space cooling space heating temperature setting Menu butto...

Page 66: ...ons indicate the operation and the date of the weekly schedule timer Sanitary water tank electric heater icon This icon indicates that the electric heater of the sanitary water tank is active First st...

Page 67: ...isplayed whenever non installed option is addressed or a function is not available 3 2 Setting Procedure 1 Press the button to enter FIELD SET MODE The SETTING icon will be displayed The current selec...

Page 68: ...r sanitary water tank heating Specifies the maximum time period during which sanitary water tank heating can be activated even when the target sanitary hot water temperature has not yet been reached 1...

Page 69: ...ater turn on outdoor temperature Specifies the outdoor temperature below which the auxiliary heater may turn on Cooling and heating set point range The purpose of this field setting is to prevent the...

Page 70: ...M thermal technical manual part 3 3 4 Field setting table...

Page 71: ...e relief valve hose Check that the pressure relief valve hose is positioned appropriately to drain the water If the drain pan kit is installed make sure that the pressure relief valve hose end is posi...

Page 72: ...PROM malfunction 5 B E2 Communication error of the outdoor chip and the indoor chip 6 C E3 Communication error of outdoor chip and DSP 7 D E4 Outdoor temperature sensor error 8 E E5 Voltage protection...

Page 73: ...When the system is changed over to heating operation after defrost operation Moisture generated by defrost becomes steam and is exhausted 1 4Noise of heat pump s cooling A continuous low hissing sound...

Page 74: ...uses of heat pump If one of the following malfunctions occur stop operation shut off the power and contact with your dealer The lamp is flashing rapidly after turn off the power and turn on again Remo...

Page 75: ...se contact with your dealer and offer machine s model and detailed malfunction 4 1 Outdoor unit malfunction Code and troubleshooting Display Malfunction or Protection E0 EEPROM error E2 Communication...

Page 76: ...the outdoor unit PCB 2 Something wrong with the EEPROM 3 External factor other than malfunction Troubleshooting E0 Turn the power supply off once and then back on Is normal reset possible Turn the pow...

Page 77: ...mmunication cable doesn t connect well 2 External factor other than malfunction Troubleshooting E2 Turn the power supply off once and then back on Is normal reset possible Turn the power supply off an...

Page 78: ...1 Communication cable between chip and DSP is not connected well 2 External factor other than malfunction Troubleshooting E3 Turn the power supply off once and then back on Is normal reset possible T...

Page 79: ...ectly 2 The sensor terminal is loose 3 The sensor circuit is short or open 4 The main control board s clamp diodes are short or open Troubleshooting E4 Is T3 or T4 port on PCB loose Temperature sensor...

Page 80: ...is at normal range Supposed Causes 1 The power supply voltage is too high or too low 2 Something wrong with the detecting element on the main board Troubleshooting E5 Measure the voltage is at the nor...

Page 81: ...matter tangled 3 Malfunction of the outdoor unit main board 4 Blowout of fuse Troubleshooting E5 Measure the voltage is at the normal range Check the fan motor connector correctly connected to the ou...

Page 82: ...gerant loop is blocked This may be caused by blocked valve pressed tube closed blocked valve Refrigerant is excess In this circumstance the refrigerant s low pressure is high so is the high pressure s...

Page 83: ...3MPa Refrigerant is not enough or the system leaks refrigerant System s gas side is blocked Phenomenon may be discharge temperature is high low pressure is low current is small These are caused by cl...

Page 84: ...n error EA TW_out error Eb T4 error Ed Phase protection EE EEPROM error P0 T2 high temperature protection P1 T2B low temperature protection P2 TW_out high temperature protection P3 TW_out low temperat...

Page 85: ...s loose or connected incorrectly 2 The wire circuit is short or open 3 The pump is not running 4 The main control board s clamp diodes are short or open Troubleshooting E0 Check whether the wire conne...

Page 86: ...ables don t connect correctly 2 The sensor terminal is loose 3 The sensor circuit is short or open 4 The main control board s clamp diodes are short or open Troubleshooting Error code Is temperature p...

Page 87: ...doesn t connect correctly 2 External factor other than malfunction Troubleshooting E2 Turn the power supply off once and then back on Is normal reset possible Turn the power supply off and make sure t...

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