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MCAC-RTSM-2012-07 M-thermal Technical Manual (part 4)

Part 4 trouble shooting

Normal Phenomenon

................................................................................................................................................ 2

M-thermal system protection in Common

........................................................................................................... 3

Trouble and causes of heat pump

......................................................................................................................... 3

Malfunction Code and Troubleshooting

............................................................................................................... 4

4.1

Outdoor unit malfunction Code and troubleshooting

.......................................................................... 4

"E0": Outdoor unit EEPROM malfunction ...................................................................................... 5

"E2": Communication error of the outdoor chip and the indoor chip ............................................. 6

"E3": Communication error of outdoor chip and DSP ................................................................... 7

"E4": Outdoor temperature sensor error

............................................................................................... 8

"E5": Voltage protection error

................................................................................................................. 9

"E6": Direct-current fan error

................................................................................................................ 10

"P1": High pressure protection .................................................................................................... 11

"P2": Low pressure protection ..................................................................................................... 12

4.2

Hydraulic indoor unit malfunction Code and trouble shooting

....................................................... 13

"E0" "E8": Flow switch error ........................................................................................................ 14

“E1 E3 E4 E5 E6 E7 E8 E9 EA Eb”: Temperature sensor error .................................................. 15

"E2": UI communication error ...................................................................................................... 16

Содержание CSD80GN1

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 50: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 59: ......

Страница 60: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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