Gree ME33-42/G Owner'S Manual Download Page 1 | Manualshive

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Owner's Manual

Original Instructions

Dry Contact & 24 Volt Adaptor
Model: ME33-42/G

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Summary of Contents for ME33-42/G

Page 1: ...Owner s Manual Original Instructions Dry Contact 24 Volt Adaptor Model ME33 42 G ...

Page 2: ...on or instruction concerning use of the appliance by a person responsibility for their safety Children should be supervised to ensure that they do not play with the appliance 2 This instruction manual is a universal manual some functions are only applicable to particular product All the illustrations and information in the instruction manual are only for reference and control interface should be s...

Page 3: ...installation and debugging unnecessary maintenance violation of related national laws and rules and industrial standard and violation of this instruction manual etc we will bear no liability 5 The final right to interpret for this instruction manual belongs to Gree Electric Appliances Inc of Zhuhai ...

Page 4: ...verview 3 4 Detail Introduction 4 4 1 Interface Function Instruction 4 4 2 Button Instruction 6 4 3 Display Instruction 7 4 4 Function Instruction 8 5 Product Installation 17 5 1 Product Dimension 17 5 2 Installation Procedure 18 5 3 Communication Connection 19 6 Malfunction Display 25 ...

Page 5: ...mproper operation may cause severe damage or death to people This sign indicates that the items must be observed Improper operation may cause damage to people or property WARNING This product can t be installed at corrosive inflammable or explosive environment or the place with special requirements such as kitchen Otherwise it will affect the normal operation or shorten the service life of the uni...

Page 6: ...n a place without electromagnetic interference or dusty particles 6 Make sure that the communication wires are connected to the correct ports otherwise communication failure will occur and may damage the appliance 7 Once wires are connected use insulative tape to protect the wires from oxidation and short circuit 8 Working conditions for the appliance Temperature 20 60 C Relative humidity 85 Insta...

Page 7: ...ease set different interface type for 24 volt adaptor according to the output signal type of your purchased 24VAC HVAC Thermostat NOTE The signal of 24VAC HVAC Thermostat is the control command for controlling compressor 4 way valve indoor fan and other loads set 00 for P01 And the type of 4 way valve P02 also needs to be set Refer to parameter setting for details The signal of 24VAC HVAC Thermost...

Page 8: ...of parameter setting for detailed setting operation Appearance of dry contact 24 volt adaptor is shown as below Fig 3 1 Appearance of dry contact 24 volt adaptor 4 Detail Introduction 4 1 Interface Function Instruction Schematic diagram of interface of main board and interface function instruction are shown as below ...

Page 9: ... Volt Adaptor 5 Fig 4 1 Schematic diagram of interface s function Table 4 1 1 Function instruction of interface of main board No Interface Instruction 1 I3 O3 Dry contact 3 2 I2 O2 Dry contact 2 3 I1 O1 Dry contact 1 ...

Page 10: ...ostat 24VAC 9 TC Supply power for adapter Common 10 C Supply power for thermostat Common 11 G Fan indoor fan 12 W Heating E heater 13 Y Cooling compressor 14 G1 Low fan speed 15 G2 Medium fan speed 16 G3 High fan speed 4 2 Button Instruction Function instruction for buttons are shown as below Table 4 2 1 Function instruction for buttons No Buttons name Button function SW1 BACK Return after paramet...

Page 11: ...D13 When there s signal for the detection interface of fire alarm it s on when the signal of fire alarm disappears it s off D14 When there s signal for dry contact 1 it s on when the signal of dry contact disappears it s off D15 When there s signal for dry contact 2 it s on when the signal of dry contact 2 disappears it s off D16 When there s signal for dry contact 3 it s on when the signal of dry...

Page 12: ...nit please contact the after sales service person Please refer to the section of error code for the detailed error content 4 4 Function Instruction 4 4 1 Mode Setting 1 When setting the signal of 24VAC as the control command of compressor 4 way valve indoor fan and other loads set 00 for P01 the interface meaning is as below Table 4 4 1 Interface meaning of 24 Volt Adaptor load control Interface M...

Page 13: ...ation mode for each input signal set 01 for P02 Y G O W Mode OFF Fan Heating Heating and E heater OFF Cooling Heating and E heater OFF When setting O B interface as the interface of 4 way valve for heating the corresponding operation modes for the input signals of different interfaces on the main board is Table 4 4 3 Corresponding operation mode for each input signal set 00 for P02 Y G B W Mode OF...

Page 14: ...terface meaning is as below Table 4 4 4 Interface meaning of 24 Volt Adaptor mode control Interface Meaning O B Valid G Fan W Heating Y Cooling G1 Low fan speed G2 Medium fan speed G3 High fan speed The corresponding operation modes for the input signals of different interfaces on the main board are Table 4 4 5 Corresponding operation mode for each input signal mode control Y W G G1 G2 G3 Mode Coo...

Page 15: ...heating under heating mode the auxiliary heating mode will be turned on When G1 G2 and G3 are all OFF the defaulted fan speed is auto fan speed change the fan speed by referring to the parameter setting P03 Refer to parameter setting for details When any one interface of G1 G2 and G3 is ON the fan speed is decided by the signal of G1 G2 and G3 See the table as below Table 4 4 6 Control of fan spee...

Page 16: ... When the unit is operating under fan mode the adaptor is fixed to send the set temperature of 26 C to the indoor unit 4 4 3 Fire Alarm and Dry Contact Signal Detection 1 Fire alarm signal detection When the fire alarm signal is detected the fire alarm signal LED will be on and dry contact 24 volt adaptor will turn off the unit when the fire alarm signal disappears the fire alarm signal LED will b...

Page 17: ... set under on or off status 1 Press ENTER button to enter into parameter setting page The nixie tube displays P00 2 Press UP or DOWN button can select parameter code Press ENTER button to switch to parameter value setting and the nixie tube flashes to display the parameter value Press UP or DOWN button can adjust the parameter value and then press ENTER to complete the setting and return to previo...

Page 18: ...ptor 00 When set to 00 01 as an adapter for the 24V thermostat it needs to be connected to a third party thermostat It also has the function of fire alarm and dry contact signal detection while it can t be matched with the wired controller for operation and it is not recommended to use with remote monitoring and centralized controller When set to 02 this device is only used as a dry contact detect...

Page 19: ... high 06 turbo 00 When P03 is set at 00 the fan speed when the indoor unit is started is subject to the signal of temperature controller when P03 is set at other parameter not 00 P03 shall prevail and it can be set as low medium and low medium medium and high high and turbo fan speed When P01 is set at 02 this parameter cannot be set When the unit is operating under fan mode P03 cannot be set at 0...

Page 20: ...en set to 01 keep OFF status when the fire alarm signal is disappeared P06 Device address setting 01 master device 02 slave device 01 This device is only used as a dry contact detection board when P01 is set at 02 when it s used with the wired controller it needs to set the wired controller and this device one is set as master device and the other one is set as slave device P07 Static pressure set...

Page 21: ...Dry Contact 24 Volt Adaptor 17 5 Product Installation 5 1 Product Dimension unit mm Fig 5 1 Product dimension ...

Page 22: ... of dry contact 24 volt adaptor at the installation position such as wall and then use the screw to fix the bottom case and the installation hole on the wall together Connect the wires to the corresponding wiring terminal by passing through the rubber ring and then tighten the screws on the contact to fix the connection wire 4 Press the wires with wire fixing clamp and then tighten the screws used...

Page 23: ... 2 Wiring diagram 5 3 Communication Connection 5 3 1 Connection between Adapter and Indoor Unit Connect H1 and H2 of communication interface of adaptor RS485 to corresponding position of wired controller of unit to finish the installation ...

Page 24: ...evice type for dry contact 24 volt adaptor is the dry contact adaptor the adapter can be matched with the wired controller for operation There are two wiring methods with the indoor unit s network which are shown in Fig 5 3 Fig 5 4 Fig 5 3 One adaptor controls one indoor unit ...

Page 25: ...tor and one wire controller control one indoor unit 2 When the device type is 24 volt adaptor the adaptor can t be matched with the wired controller for operation There is only one wiring method with the indoor unit s network which is shown as below ...

Page 26: ...olt adaptor is the non polar interface It s no need to consider the polar of RS485 interface for wiring 5 3 2 Connection of Adaptor and Thermostat The connection between dry contact 24 volt adaptor and the third party 24VAC HVAC thermostat is shown as below 1 When the output signal of thermostat is the control command of load such ...

Page 27: ...daptor 23 as compressor 4 way valve indoor fan The connection method is shown as below Fig 5 6 Connection method of 24 Volt Adaptor load control NOTE The 4 way valve interface of 24VAC HVAC thermostat may only has type O or ...

Page 28: ...hat the adaptor has the same meaning with the interface of 24VAC HVAC thermostat 2 When the output single of 24VAC HVAC thermostat is the control command for operation mode such as heating cooling or fan mode The connection method is shown as below Fig 5 7 Schematic diagram of wiring between adaptor and thermostat ...

Page 29: ...f multiple malfunctions occur at the same time error codes will be displayed circularly CAUTION When there s malfunction please turn off the unit and ask for professional person to maintain it Table 6 1 Error Code List Error Code Error E1 Compressor high pressure protection E2 Indoor anti freeze protection E3 Compressor low pressure protection refrigerant lack protection refrigerant collection mod...

Page 30: ...e temperature sensor error F5 Wired controller temperature sensor error C5 IDU jumper cap error EE IDU or ODU memory chip error PF Electric box sensor error H3 Compressor overload protection H4 Overload H5 IPM protection H6 DC fan error H7 Driver out of step protection HC PFC protection Lc Startup failure Ld Compressor phase sequence protection LF Power protection LP IDU and ODU unmatched or Contr...

Page 31: ... Temperature drift protection PL Bus low voltage protection PH Bus high voltage protection PU Charging loop error PP Input voltage error ee Driver memory chip error C4 ODU jumper cap error dJ Phase loss and anti phase protection oE ODU error for specific error please see the status of ODU indicator EL Emergency stop LE Compressor stall protection F6 Condenser medium pipe temperature sensor error E...

Page 32: ...e high temperature protection at power grid side GP Temperature sensor protection at power grid side G6 Photovoltaic low voltage ride through Gy Drive beyond retrieve error at power grid side G1 Photovoltaic Anti islanding protection G0 Photovoltaic reversed connection protection GU Charged circuit protection at power grid side GA Low high input voltage protection at power grid side G2 Photovoltai...

Page 33: ...an phase sequence protection q7 Indoor fan driver reset protection q8 Indoor fan over current protection q9 Indoor fan power protection qA Indoor fan driver current error qb Indoor fan driver out of step protection qC Master control and indoor fan driver communication error qd Indoor fan driver module high temperature protection qE Indoor fan driver module sensor error qF Indoor fan driver memory ...

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