Service Manual
Page 3
... for cool only type, refrigerant is R407C Design edition Product series: S stands for EASY STOCK Product appearance Cooling / Heating capacity,19=19000BTU/h Product type : "B" stands for cassette type, "C" stands for convertible type, "D" stands for duct, "S" stands for wall mounted type, "F" stands for console type, "U" stands for outdoor of split unit Max. 1 to 3 1.2 Brief Introduction for T1,T2,T3 working condition Type of Conditioner Cooling Only Air T1 18 ℃~43℃ Heat pump -7℃~43℃ Electricity Heating...
... for cool only type, refrigerant is R407C Design edition Product series: S stands for EASY STOCK Product appearance Cooling / Heating capacity,19=19000BTU/h Product type : "B" stands for cassette type, "C" stands for convertible type, "D" stands for duct, "S" stands for wall mounted type, "F" stands for console type, "U" stands for outdoor of split unit Max. 1 to 3 1.2 Brief Introduction for T1,T2,T3 working condition Type of Conditioner Cooling Only Air T1 18 ℃~43℃ Heat pump -7℃~43℃ Electricity Heating...
Service Manual
Page 4
... series. Commercial Air Conditioner 1.4 Product features DC inverter technology, high energy efficiency, higher EER A+, energy saving for the user The outdoor unit adopts DC inverter compressor and motor, so save money for the user. And the outdoor can be back to 5 sets. As a result, the user will control refrigerant flow more precisely. Also, the outdoor is with electronic expansion valve, which will display on . Benefit for designer and installer. When the power supply cut...
... series. Commercial Air Conditioner 1.4 Product features DC inverter technology, high energy efficiency, higher EER A+, energy saving for the user The outdoor unit adopts DC inverter compressor and motor, so save money for the user. And the outdoor can be back to 5 sets. As a result, the user will control refrigerant flow more precisely. Also, the outdoor is with electronic expansion valve, which will display on . Benefit for designer and installer. When the power supply cut...
Service Manual
Page 6
....Running current (indoor + outdoor) A / A 11.3 11.3 Power facor(under rating power input) 99% 99% Fuse size (recommended size) A 16 Indoor units number 1~3 Model / Manufacture SNB130FGYMC-L1 / MGC Compressor Oil charge and type Type 500CC, FV 50S Twin Rotary (DC inverter) Winding resistance(at 20℃) Ω 0.58 Fan type × Number Axial × 1 Motor speed r/min Max. 860 Fan system Fan motor model Motor type ARW4403AS DC Outdoor unit Motor output/input power W 55/69 Air-flows (H/M/L) m³/h about 0.52 Dimension External (WxDxH...
....Running current (indoor + outdoor) A / A 11.3 11.3 Power facor(under rating power input) 99% 99% Fuse size (recommended size) A 16 Indoor units number 1~3 Model / Manufacture SNB130FGYMC-L1 / MGC Compressor Oil charge and type Type 500CC, FV 50S Twin Rotary (DC inverter) Winding resistance(at 20℃) Ω 0.58 Fan type × Number Axial × 1 Motor speed r/min Max. 860 Fan system Fan motor model Motor type ARW4403AS DC Outdoor unit Motor output/input power W 55/69 Air-flows (H/M/L) m³/h about 0.52 Dimension External (WxDxH...
Service Manual
Page 7
...) Fuse size (recommended size) Indoor units number 99% 99% A 25 2~4 Model / Manufacture TNB220FLHMC-L / MGC Compressor Oil charge and type Type Winding resistance(at 20℃) Fan type × Number 870CC / FV50S Twin Rotary (DC inverter) Ω 0.88 Axial × 1 Fan system Motor speed Fan motor model Motor type r/min Max. 860 EHDS80A100AS DC Outdoor unit Motor output/input power Air-flows (H/M/L) Heat exchanger Type / Diameter Number of 4U25HS1ERA+4*AS09CS1ERA. 2. It is a sound pressure noise level. -7- Norminal condition: indoor temperature (cooling): 27...
...) Fuse size (recommended size) Indoor units number 99% 99% A 25 2~4 Model / Manufacture TNB220FLHMC-L / MGC Compressor Oil charge and type Type Winding resistance(at 20℃) Fan type × Number 870CC / FV50S Twin Rotary (DC inverter) Ω 0.88 Axial × 1 Fan system Motor speed Fan motor model Motor type r/min Max. 860 EHDS80A100AS DC Outdoor unit Motor output/input power Air-flows (H/M/L) Heat exchanger Type / Diameter Number of 4U25HS1ERA+4*AS09CS1ERA. 2. It is a sound pressure noise level. -7- Norminal condition: indoor temperature (cooling): 27...
Service Manual
Page 8
.../60Hz Max.Running current (indoor + outdoor) Power facor(under rating power input) Fuse size (recommended size) Indoor units number A / A A 16.5 16.5 99% 99% 25 2~4 Model / Manufacture TNB220FLHMC-L / MGC Compressor Oil charge and type Type Winding resistance(at 20℃) Fan type × Number 870CC / FV50S Twin Rotary (DC inverter) Ω 0.88 Axial × 1 Motor speed r/min Max. 860 Fan system Fan motor model Motor type EHDS80A100AS DC Outdoor unit Heat exchanger Motor output/input power Air-flows (H/M/L) Type / Diameter Number of 4U30HS1ERA+4*AS09CS1ERA. 2.
.../60Hz Max.Running current (indoor + outdoor) Power facor(under rating power input) Fuse size (recommended size) Indoor units number A / A A 16.5 16.5 99% 99% 25 2~4 Model / Manufacture TNB220FLHMC-L / MGC Compressor Oil charge and type Type Winding resistance(at 20℃) Fan type × Number 870CC / FV50S Twin Rotary (DC inverter) Ω 0.88 Axial × 1 Motor speed r/min Max. 860 Fan system Fan motor model Motor type EHDS80A100AS DC Outdoor unit Heat exchanger Motor output/input power Air-flows (H/M/L) Type / Diameter Number of 4U30HS1ERA+4*AS09CS1ERA. 2.
Service Manual
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...Max.Running current (indoor + outdoor) Power facor(under rating power input) Fuse size (recommended size) Indoor units number A / A A 17.4 17.4 99% 99% 30 2~5 Model / Manufacture TNB220FLHMC-L / MGC Compressor Oil charge and type Type Winding resistance(at 20 ℃) Fan type × Number 870CC / FV50S Twin Rotary (DC inverter) Ω 0.88 Axial × 1 Fan system Motor speed Fan motor model Motor type r/min Max. 900 EHDS80A100AS DC Outdoor unit Motor output/input power Air-flows (H/M/L) Heat exchanger Type / Diameter Number of 5U34HS1ERA+3*AS09CS1ERA+1*AS18CS1ERA...
...Max.Running current (indoor + outdoor) Power facor(under rating power input) Fuse size (recommended size) Indoor units number A / A A 17.4 17.4 99% 99% 30 2~5 Model / Manufacture TNB220FLHMC-L / MGC Compressor Oil charge and type Type Winding resistance(at 20 ℃) Fan type × Number 870CC / FV50S Twin Rotary (DC inverter) Ω 0.88 Axial × 1 Fan system Motor speed Fan motor model Motor type r/min Max. 900 EHDS80A100AS DC Outdoor unit Motor output/input power Air-flows (H/M/L) Heat exchanger Type / Diameter Number of 5U34HS1ERA+3*AS09CS1ERA+1*AS18CS1ERA...
Service Manual
Page 10
...×260 718×680×380 Drainage pipe (material , I.D./O.D.) mm PVC 26/32 Control type (Remote /wired) Remote or Wired Fresh air hole dimension mm 95 Electricity Heater kW NONE Noise level ---sound presure (H-M-L) dB(A) 40/36/32 Noise level ---sound power (H-M-L) dB(A) 51/47/43 Weight (Net / Shipping) kg / kg 17/20 Panel model (color) PB-700IB(WHITE) PIPING Panel Dimension External (L×W×H) mm...
...×260 718×680×380 Drainage pipe (material , I.D./O.D.) mm PVC 26/32 Control type (Remote /wired) Remote or Wired Fresh air hole dimension mm 95 Electricity Heater kW NONE Noise level ---sound presure (H-M-L) dB(A) 40/36/32 Noise level ---sound power (H-M-L) dB(A) 51/47/43 Weight (Net / Shipping) kg / kg 17/20 Panel model (color) PB-700IB(WHITE) PIPING Panel Dimension External (L×W×H) mm...
Service Manual
Page 47
... stop valve and gas stop valve. 2) Carry out forced cooling operation. 3) After five to ten minutes, close the gas stop vaile and stop valve Valve cap 1. Incorrect wiring will damage the controller of indoor and outdoor units carefully. Connect the neutral wire with the outdoor unit wiring diagram.) Please check the circuit diagram about the fuse replaced. 2. Note:When connecting the wiring,confirm the terminal number of air conditioner or the unit can not operate. 3. Communication wire...
... stop valve and gas stop valve. 2) Carry out forced cooling operation. 3) After five to ten minutes, close the gas stop vaile and stop valve Valve cap 1. Incorrect wiring will damage the controller of indoor and outdoor units carefully. Connect the neutral wire with the outdoor unit wiring diagram.) Please check the circuit diagram about the fuse replaced. 2. Note:When connecting the wiring,confirm the terminal number of air conditioner or the unit can not operate. 3. Communication wire...
Service Manual
Page 49
... will flash and display some numbers, this operation, the digital-number will alternately show "EC"(error connection) and also it is failure code. Check the voltage supplied to test heating. 2) To test cooling, set the highest temperature, at 16 OC. Wiring Error Check This product is not possible, check the indoor unit wiring and piping in the system) after the unit starts, the CN4 ON SW1 1234 CN1 Errors of refrigerant if needed...
... will flash and display some numbers, this operation, the digital-number will alternately show "EC"(error connection) and also it is failure code. Check the voltage supplied to test heating. 2) To test cooling, set the highest temperature, at 16 OC. Wiring Error Check This product is not possible, check the indoor unit wiring and piping in the system) after the unit starts, the CN4 ON SW1 1234 CN1 Errors of refrigerant if needed...
Service Manual
Page 55
... easy. (6) Install the unit where the drain pipe can withstand the weight of the indoor and outdoor units and install positively so that they cannot reach the unit. Also install the unit where the filter can be difference 1.5m Install at a place that can be easily installed. (7) Take servicing, etc. Under ceiling Indoor unit Decide the mounting position with the customer as follows: Left INDOOR UNIT (1) Install the indoor unit level on a strong wall, floor...
... easy. (6) Install the unit where the drain pipe can withstand the weight of the indoor and outdoor units and install positively so that they cannot reach the unit. Also install the unit where the filter can be difference 1.5m Install at a place that can be easily installed. (7) Take servicing, etc. Under ceiling Indoor unit Decide the mounting position with the customer as follows: Left INDOOR UNIT (1) Install the indoor unit level on a strong wall, floor...
Service Manual
Page 63
... remote control unit operations. (2) Air filter removal and cleaning, and how to use a circuit that the room air conditioner can trip all the poles of the wiring and has an isolation distance of at least 3mm between the contacts of each lamp light normally? (3) Do not air flow direction louvers operate normally? (4) Is the drain normal? (2) Join the cover plates (right) and mount with the operating manual: (1) Starting and stopping method, operation switching, temperature adjustment, timer, air flow switching, and other electrical...
... remote control unit operations. (2) Air filter removal and cleaning, and how to use a circuit that the room air conditioner can trip all the poles of the wiring and has an isolation distance of at least 3mm between the contacts of each lamp light normally? (3) Do not air flow direction louvers operate normally? (4) Is the drain normal? (2) Join the cover plates (right) and mount with the operating manual: (1) Starting and stopping method, operation switching, temperature adjustment, timer, air flow switching, and other electrical...
Service Manual
Page 80
... temperature, we set the high-efficiency operation. sensor FAN-IN Indoor ambient temperature sensor Indoor unit A Indoor unit B Indoor unit C Indoor unit D Indoor unit E Unit A gas pipe temp. Entering condition: cooling mode, Tao≥33℃(E), heating mode, Tao≤5℃(E). 3.3 Electronic expansion valve (EEV) control 3.3.1 Electronic characteristic Max. sensor Strainer EEV C Unit D liquid pipe temp. sensor Strainer EEV E Compressor Suction temp. sensor Unit E gas pipe temp. sensor Strainer EEV D Unit E liquid pipe temp. sensor Discharge temp. open...
... temperature, we set the high-efficiency operation. sensor FAN-IN Indoor ambient temperature sensor Indoor unit A Indoor unit B Indoor unit C Indoor unit D Indoor unit E Unit A gas pipe temp. Entering condition: cooling mode, Tao≥33℃(E), heating mode, Tao≤5℃(E). 3.3 Electronic expansion valve (EEV) control 3.3.1 Electronic characteristic Max. sensor Strainer EEV C Unit D liquid pipe temp. sensor Strainer EEV E Compressor Suction temp. sensor Unit E gas pipe temp. sensor Strainer EEV D Unit E liquid pipe temp. sensor Discharge temp. open...
Service Manual
Page 86
..., manual unit stop or protective unit stop , after the refrigerant being eliminated is over 10 minutes continuously, the accumulative time will not be counted continuously. eliminated 30s auto frequency Low frequency 120pulse(E) auto angle OFF angle 5(E) Outdoor motor AUTO AUTO (TC or ambient temp. control) AUTO running indoor PMV auto angle stopped indoor PMV OFF angle 5(E) Oil return frequency 350pulse(E) 80(E) ref. Oil return procedure in the oil return of oil return from heating mode...
..., manual unit stop or protective unit stop , after the refrigerant being eliminated is over 10 minutes continuously, the accumulative time will not be counted continuously. eliminated 30s auto frequency Low frequency 120pulse(E) auto angle OFF angle 5(E) Outdoor motor AUTO AUTO (TC or ambient temp. control) AUTO running indoor PMV auto angle stopped indoor PMV OFF angle 5(E) Oil return frequency 350pulse(E) 80(E) ref. Oil return procedure in the oil return of oil return from heating mode...
Service Manual
Page 91
... same mode, indoor unit will firstly confirm the outdoor current operation mode. Fan operation Indoor fan motor will run as the fan speed set temp. When Tai≥Tset, entering auto cooling mode; compensation Tm mid coil temp. Abnormal operation 6.1 When outdoor modes from the request of indoor unit conflict, the one entering firstly will take priority. 6.2 After indoor receives the ON command from wired controller, it will run as heating sleep in cooling mode and as the requested mode of wired controller. 6.3 After indoor...
... same mode, indoor unit will firstly confirm the outdoor current operation mode. Fan operation Indoor fan motor will run as the fan speed set temp. When Tai≥Tset, entering auto cooling mode; compensation Tm mid coil temp. Abnormal operation 6.1 When outdoor modes from the request of indoor unit conflict, the one entering firstly will take priority. 6.2 After indoor receives the ON command from wired controller, it will run as heating sleep in cooling mode and as the requested mode of wired controller. 6.3 After indoor...
Service Manual
Page 92
...-heat" signal to wired controller in 5 minutes, the compressor run as anti-cold air state. 10. Standard position in heating mode or the thermostat is OFF, indoor motor will stop running . 9.3 Defrosting is the control point when Tao>10℃; 2) Indoor unit will stop condition can be controlled by the room temp., but after compressor startup, the system will not sound until the outdoor mode and the requested mode of indoor unit are the same. 6.5 COOL (included AUTO COOL), DRY, FAN...
...-heat" signal to wired controller in 5 minutes, the compressor run as anti-cold air state. 10. Standard position in heating mode or the thermostat is OFF, indoor motor will stop running . 9.3 Defrosting is the control point when Tao>10℃; 2) Indoor unit will stop condition can be controlled by the room temp., but after compressor startup, the system will not sound until the outdoor mode and the requested mode of indoor unit are the same. 6.5 COOL (included AUTO COOL), DRY, FAN...
Service Manual
Page 93
... compulsory defrosting signal, it will enter defrosting operation until the float switch signal is forced to outdoor and send the failure code of cooling sleep and heating sleep, after indoor unit stops, water pump will stop. 12.2 When indoor unit is in heating mode, water pump will confirm the unit ON or OFF according to count. Timer operation 15.1 Wired control type: wired controller will control the unit ON/OFF; 15.2 Remote control type: indoor unit will not operate. 12.3 In OFF state and in trial...
... compulsory defrosting signal, it will enter defrosting operation until the float switch signal is forced to outdoor and send the failure code of cooling sleep and heating sleep, after indoor unit stops, water pump will stop. 12.2 When indoor unit is in heating mode, water pump will confirm the unit ON or OFF according to count. Timer operation 15.1 Wired control type: wired controller will control the unit ON/OFF; 15.2 Remote control type: indoor unit will not operate. 12.3 In OFF state and in trial...
Service Manual
Page 101
... unit stops and the compressor protection works, the failure can be electrified again, re-check if indoor fan motor cannot startup normally no in open circuit. Pressure switch wire is no fixed badly or damaged (CN20 on PCB) yes replace pressure switch connector, shut off and be electrified again, re-check check if the 2 straight lugs on no power input replace indoor motor and check again -100- start...
... unit stops and the compressor protection works, the failure can be electrified again, re-check if indoor fan motor cannot startup normally no in open circuit. Pressure switch wire is no fixed badly or damaged (CN20 on PCB) yes replace pressure switch connector, shut off and be electrified again, re-check check if the 2 straight lugs on no power input replace indoor motor and check again -100- start...
Service Manual
Page 133
... MODE COOL FAN HIGH OPERATION CLOCK C ROOM TEMP. Do not press line controller or switches by sharp objects. MODE FAN SWING HEALTH TEMP CLOCK TIME TIMER SET RECOVERY CHECK FILTER RESET ON/OFF >_]]VbTZR\ _^UZdZ_^Vb 2 Press ON/OFF switch on the line controller is on the line controller to "AUTO"--"HIGH"--"MED"--"LOW"--"AUTO" 5.Press "swing" switch on . 3 2.Choose operation mode. Press "mode"switch to change to "AUTO"---"FAN ONLY"---"COOL"---"DRY"---"HEAT". 3.Press "TEMP" switch Change set temperature:press TEMP or TEMP every time, [SET] will display,and set temperature...
... MODE COOL FAN HIGH OPERATION CLOCK C ROOM TEMP. Do not press line controller or switches by sharp objects. MODE FAN SWING HEALTH TEMP CLOCK TIME TIMER SET RECOVERY CHECK FILTER RESET ON/OFF >_]]VbTZR\ _^UZdZ_^Vb 2 Press ON/OFF switch on the line controller is on the line controller to "AUTO"--"HIGH"--"MED"--"LOW"--"AUTO" 5.Press "swing" switch on . 3 2.Choose operation mode. Press "mode"switch to change to "AUTO"---"FAN ONLY"---"COOL"---"DRY"---"HEAT". 3.Press "TEMP" switch Change set temperature:press TEMP or TEMP every time, [SET] will display,and set temperature...
Service Manual
Page 135
... set up operation mode. TIMER SET RECOVERY 2.Set up "TIMER" TIMER When timing ON or timing OFF flickers, press " " or " " to ON CHECK FILTER regulate the time RESET Press" "or " "set up ON/OFF time. The setting time increases ten minutes each time you want to normal operation, press "timing" until there is no display C ROOM TEMP. Cancel timing If you press " " switch. parts of wired controller explanation : 1.The unit starts or stops...
... set up operation mode. TIMER SET RECOVERY 2.Set up "TIMER" TIMER When timing ON or timing OFF flickers, press " " or " " to ON CHECK FILTER regulate the time RESET Press" "or " "set up ON/OFF time. The setting time increases ten minutes each time you want to normal operation, press "timing" until there is no display C ROOM TEMP. Cancel timing If you press " " switch. parts of wired controller explanation : 1.The unit starts or stops...
Service Manual
Page 137
... MODE FAN SWING HEALTH TEMP CLOCK TIME TIMER SET RECOVERY CHECK FILTER RESET ON/OFF Wire controller Bracket Screw holes 52¡ 0.2 10.45 5.3 According to the wood stopper, fix the holder on the wall with indoor unit is called master one, the other is more than it, please distribute wiring according to tighten screws, 3.Wiring instruction otherwise, the holder will not work normally because of polar wire. C. ADD. A B C Wire controller A B C A B C A B C Wire controller Wire controller Wire controller...
... MODE FAN SWING HEALTH TEMP CLOCK TIME TIMER SET RECOVERY CHECK FILTER RESET ON/OFF Wire controller Bracket Screw holes 52¡ 0.2 10.45 5.3 According to the wood stopper, fix the holder on the wall with indoor unit is called master one, the other is more than it, please distribute wiring according to tighten screws, 3.Wiring instruction otherwise, the holder will not work normally because of polar wire. C. ADD. A B C Wire controller A B C A B C A B C Wire controller Wire controller Wire controller...