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Troubleshooting

Electrical Control System

d. Protection of pressure or temp.

e. Open-circuit and short-circuit trouble of T5

Is connection to connector of temp. sensor good?

Check the resistance of the temp. sensor according to Appendix 2

Repair connector

Yes

Is it the resistance is normal?

Indoor PCB is defective.

Replace the sensor

Yes

Protection of pressure or temp.

Is it k1 or K2 open ?

Is temp. protective switch K1 open

Possible reason
1. The wires is loose to K1

2. Air or other gas in the refrigerant.

3. Heat exchanger is dirty

4. Outdoor fan or fan blade is

defective

5. Outdoor unit is in bad ventilation

6. Refrigerant is leakage

Is pressure protective switch K2 open

Yes

Possible reason
1. The wires is loose to K2

2. Air or other gas in the refrigerant.

3. Heat exchanger is dirty

4. Outdoor motor or fan blade is

defective

5. Outdoor unit is in bad ventilation

6. Refrigerant is too much

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Содержание BLUTEC VEM36C2HR1

Страница 1: ...ctions may result in improper installation adjustment service or maintenance possibly resulting in fire electrical shock property damage personal injury or death RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION DO NOT DESTROY THIS MANUAL Please read carefully and keep in a safe place for future reference by a serviceman NOTE Appearance of unit may vary INSTALLATION INSTRUCTIO...

Страница 2: ... Units Outdoor Units 1 Dimensions 3 2 Service Space 4 3 Piping Diagrams 5 4 Wiring Diagrams 6 5 Electric Characteristics 9 6 Operation Limits 9 7 Sound Levels 10 2015 Innovair Corporation All Rights Reserved www innovair com ...

Страница 3: ...ce Valve Size H in mm W in mm L in mm Liquid in Vapor in VEM36C2HR1 29 7 8 759 23 5 8 600 23 5 8 600 3 8 3 4 VEM48C2SS1 29 7 8 759 28 710 28 710 3 8 3 4 VEM60C2SS1 33 3 16 843 28 710 28 710 3 8 3 4 VEM60C3SS1 33 3 16 843 28 710 28 710 3 8 3 4 2015 Innovair Corporation All Rights Reserved www innovair com ...

Страница 5: ...r temp sensor T1 Room temp sensor Throttle orifice VEM48C2SS1 VEM60C2SS1 VEM60C3SS1 INDOOR OUTDOOR LIQUID SIDE GAS SIDE HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR T2 Evaporator temp sensor T1 Room temp sensor Throttle orifice T5 Discharge temp sensor High pressure switch Low pressure switch 2015 Innovair Corporation All Rights Reserved www innovair com ...

Страница 9: ...42V VEM60C3SS1 60 3 220 230V 198V 242V 6 Operation Limits Temperature Mode Cooling operation Room temperature 17 32 Outdoor temperature 18 43 7 43 For the models with low temperature cooling system 10 15 25 30 35 20 15 20 25 30 35 40 45 Indoor temperature WB Outdoor temperature DB STD Cooling 43 17 32 10 5 0 5 10 18 7 With Low Ambient Cooling System 2015 Innovair Corporation All Rights Reserved ww...

Страница 10: ...Sound Levels 10 Outdoor Units 7 Sound Levels Model Noise level dB A VEM36C2HR1 65 VEM48C2SS1 65 VEM60C2SS1 64 VEM60C3SS1 64 2015 Innovair Corporation All Rights Reserved www innovair com ...

Страница 11: ...unit installation Top Discharge Unit 22 5 Refrigerant pipe installation 25 6 Drainage pipe installation 28 7 Vacuum Drying and Leakage Checking 32 8 Additional refrigerant charge 33 9 Engineering of insulation 34 10 Engineering of electrical wiring 35 11 Test operation 36 2015 Innovair Corporation All Rights Reserved www innovair com ...

Страница 12: ...safety checking Test operation Refrigerant pipe installation and insulation Drainage pipe installation and insulation Indoor unit installation location selection Outdoor unit installation location selection Indoor unit installation Outdoor unit installation Refrigerant pipe installation and insulation Drainage pipe installation and insulation 2015 Innovair Corporation All Rights Reserved www innov...

Страница 13: ...r unit location selection The place shall easily support the outdoor unit s weight Locate the outdoor unit as close to indoor unit as possible The piping length and height drop can not exceed the allowable value The place where the noise vibration and outlet air do not disturb the neighbors There is enough room for installation and maintenance The air outlet and the air inlet are not impeded and n...

Страница 14: ...llation 3 1 Ceiling floor indoor unit installation 3 1 1 Service space for indoor unit 3 1 2 Bolt pitch Ceiling installation Capacity Btu h D E 36K 1200 220 48K 60K 1565 220 Wall mounted installation 2015 Innovair Corporation All Rights Reserved www innovair com ...

Страница 15: ...r holes of Ø12mm 45 50mm deep at the selected positions on the ceiling Then embed the expansible hooks fittings Wall mounted installation Install the tapping screws onto the wall Refer to picture below 3 1 4 Install the main body Ceiling installation The only installation method for the unit with drain pump Remove the side board and the grille 2015 Innovair Corporation All Rights Reserved www inno...

Страница 16: ... on the unit Put the side panels and grilles back Wall mounted installation Hang the indoor unit by insert the tapping screws into the hanging arms on the main unit The bottom of body can touch with floor or suspended but the body must install vertically 2015 Innovair Corporation All Rights Reserved www innovair com ...

Страница 17: ...ion mounted plug L M 36 1180 490 48 60 1240 500 3 2 3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture Drill four holes of Ø12mm 45 50mm deep at the selected positions on the ceiling Then embed the expansible hooks fittings 2015 Innovair Corporation All Rights Reserved www innovair com ...

Страница 18: ...stallation hooks evenly to ensure the balance of the body Use a leveling instrument to make sure the levelness of the main body is within 1 3 2 5 Install the air filter Insert the air filter through the filter slot and fix it with 2 screws 3 2 6 Install the air duct Please design the air duct as below recommended picture 2015 Innovair Corporation All Rights Reserved www innovair com ...

Страница 19: ...cating place in the following fig and then change the mounting positions of air return panel and air return flange When install the filter mesh please plug it into flange inclined from air return opening and then push up The installation has finish upon filter mesh which fixing blocks have been insert to the flange positional holes 2015 Innovair Corporation All Rights Reserved www innovair com ...

Страница 20: ...mum12 recommended Maintenance and servicing access minimum36 from front of unit recommended for blower motor coil replacement Filter removal minimum 36 recommended Plenum Clearances 3 3 2 Install the main body You can choose vertical or horizontal installation in accordance with the applications 2015 Innovair Corporation All Rights Reserved www innovair com ...

Страница 21: ...ndensate out of the unit smoothly please place the unit with a small angle when horizontal installation 3 3 3 Install the air duct Typical air duct design Vertical Installation Horizontal Installation 2015 Innovair Corporation All Rights Reserved www innovair com ...

Страница 22: ...ced a minimum of 18 inches apart Coil face to coil face If the unit is to be installed on a hot sun exposed roof or a black topped ground area the unit should be raised sufficiently above the roof or ground to avoid taking the accumulated layer of hot air into the outdoor unit Provide an adequate structural support 4 2 Service space for outdoor unit 4 3 Install the Unit On ground installation The ...

Страница 23: ...pace Factory preferred tie down method Optional Note These instructions are intended as a method to tie down system to cement slab as a securing procedure for high and areas It is recommended to check Local codes for tie down methods and protocols Step 1 Prior to installing clear pad of debris Step 2 Ensure cement pad is level IMPORTANT Then cement pad must be made of HVAC approved materials and m...

Страница 25: ...nd smooth 9 0 Lean Crude Burr o 5 2 5 Insulate the copper pipe Before test operation the joint parts should not be heat insulated 5 2 6 Flare the pipe Insert a flare nut into the pipe before flaring the pipe According to the following table to flare the pipe Pipe diameter Flare dimension A mm Flare shape Min Max 1 4 6 35 8 3 8 7 R0 4 0 8 A 45 ã 90 4 3 8 9 52 12 0 12 4 1 2 12 7 15 4 15 8 5 8 15 9 1...

Страница 26: ... with a phosphorous copper alloy material such as Silfos 5 or equivalent DO NOT use soft solder The outdoor units have reusable service valves on both the liquid and vapor connections The total system refrigerant charge is retained within the outdoor unit during shipping and installation The reusable service valves are provided to evacuate and charge per this instruction Serious service problems c...

Страница 27: ...til valve stem just touches the chamfered retaining wall 5 2 15 Connect the throttle part If the throttle part of indoor unit is separate design it must be connected before connecting the pipe to indoor unit Make sure the throttle part is horizontally installed Connect to the pipe Connect to indoor unit Horizontal 2015 Innovair Corporation All Rights Reserved www innovair com ...

Страница 28: ...apacity of indoor unit Relationship between water flowrate and capacity of indoor unit Capacity x1000Btu Water flowrate l h 12 2 4 18 4 24 6 30 7 36 8 42 10 48 12 60 14 According to the above table to calculate the total water flowrate for the confluence pipe selection For horizontal drainage pipe The following table is for reference PVC pipe Reference value of inner diameter of pipe mm Allowable ...

Страница 29: ...orizontal pipe layout should avoid converse flow or bad flow Drainage pipe Water flow Drainage pipe Drainage pipe Drain tee Drain tee Water flow Water flow Water flow Water flow Water flow Water flow Water flow Water flow Drain tee Branch pipe Water flow Water flow Keep a certain degree Branch pipe Gas Gas Main pipe Main pipe The correct installation will not cause converse water flow and the slop...

Страница 30: ...or installation reference Flexible pipe 300mm Hanger A A Length of horizontal pipe 150mm B Lift height the pump head of water pump Down incline pipe B 6 2 8 Blowhole setting For the concentrated drainage pipe system there should design a blowhole at the highest point of main pipe to ensure the condensate water discharge smoothly The air outlet shall face down to prevent dirt entering pipe Each ind...

Страница 31: ...the length of drainage pipe water shall be discharged about 1 minute delayed 2 3 Stop the operation of air conditioner power off the power supply and put the cover of water test hole back to the original place a After stopped the air conditioner 3 minutes check whether there is anything abnormal If drainage pipes have not been distributed properly over back flow water shall cause the flashing of a...

Страница 32: ...eck whether there is leakage source 4 Leakage test After the vacuum degree reaches 755mmHg stop vacuum drying and keep the pressure for 1 hour If the indicator of vacuum gauge does not go up it is qualified If going up it indicates that there is moisture or leak source 7 3 2 Special vacuum drying The special vacuum drying method shall be adopted when 1 Finding moisture during flushing refrigerant ...

Страница 33: ...nt may only be charged after performed the vacuum drying process Always use gloves and glasses to protect your hands and eyes during the charge work Use electronic scale or fluid infusion apparatus to weight refrigerant to be recharged Be sure to avoid extra refrigerant charged it may cause liquid hammer of the compressor or protections Use supplementing flexible pipe to connect refrigerant cylind...

Страница 34: ...insulation should be thicker accordingly 9 1 4 Installation highlights of insulation construction Gas pipe and liquid pipe shall be insulated separately if the gas pipe and liquid pipe were insulated together it will decrease the performance of air conditioner Liquid pipe Insulation meterial Gas pipe The insulation material at the joint pipe shall be 5 10cm longer than the gap of the insulation ma...

Страница 35: ...e finished by qualified electrician Air conditioning equipment should be grounded according to the local electrical regulations Current leakage protection switch should be installed Do not connect the power wire to the terminal of signal wire When power wire is parallel with signal wire put wires to their own wire tube and remain at least 300mm gap According to table in indoor part named the speci...

Страница 36: ...ide stop values are both opened The air conditioner is pre heated by turning on the power 11 3 Test operation Set the air conditioner under the mode of COOLING by remote controller and check the following points Indoor unit Whether the switch on the remote controller works well Whether the buttons on the remote controller works well Whether the air flow louver moves normally Whether the room tempe...

Страница 37: ...ystem Electrical Control System 37 Electrical Control System 1 Electrical Control Function 38 2 Electrical Control Function Air Handler 43 3 Troubleshooting 46 2015 Innovair Corporation All Rights Reserved www innovair com ...

Страница 38: ...w pressure switch won t be checked Note The system will not check if the protection could be cleared in 30 seconds after the protection occurs If this protection occurs 3 times it won t recover automatically until the main power is cut off 1 2 5 Over current protection When compressor is running if the current is over twice of the rated for 3 seconds the compressor will stop and an error code will...

Страница 39: ...fan will start up Ts 1 Ts On Off 1 3 2 2 Outdoor fan running rules The On off outdoor units have single fan speed The outdoor fan will run following the compressor except when AC is in evaporator high temperature protection in heating mode condenser high temperature protection in cooling mode defrosting mode and the current protection 1 3 2 3 Indoor fan running rules In cooling mode indoor fan run...

Страница 40: ... the evaporator coil temp T2 keeps lower than TE5 for 30 minutes the compressor and outdoor fan will shut off When T2 is higher than TE6 the compressor and outdoor fan will restart up Condition 2 TE6 T2 On Off TE5 2 When the evaporator coil temp T2 keeps lower than TE5 2 for 20 minutes the compressor and outdoor fan will shut off When T2 is higher than TE6 the compressor and outdoor fan will resta...

Страница 41: ... will shut off When T2 TE6 the compressor and outdoor fan will restart up 1 3 3 Auto mode This mode can be chosen with remote controller and the setting temperature can be changed between 17 30 In auto mode the machine will choose cooling heating or fan only mode according to ΔT ΔT T1 Ts For ceiling floor ΔT T1 Ts Running mode ΔT 2 Cooling 1 ΔT 2 Fan only ΔT 1 Heating For A5 duct ΔT T1 Ts Running ...

Страница 42: ...rent operation mode Suppose AC is off now it will not start up firstly after setting the timer off function And when reaching the setting time the timer LED will be off and the AC running mode has not been changed 1 3 5 7 The setting time is relative time 1 3 6 Economy function 1 3 6 1 It is valid in cooling heating and auto mode 1 3 6 2 Turning off changing mode or setting fan speed will cancel e...

Страница 43: ...r and the control sketch is as following Mechanical or Electronic Switch K FAN ON AUTO When the temperature reaches the setting switch K is open 2 2 3 The indoor fan motor works as following rules When the fan switch of the wired controller is in ON position the fan signal G is low so that the indoor fan is always on When the fan switch of the wired controller is in AUTO position the fan signal G ...

Страница 44: ...nic Switch K FAN ON AUTO Mechanical or Electronic Switch When the temperature reaches the setting switch K is open 2 3 4 Anti cold wind protection Optional This function can be active by set the jumper JR1 on the indoor PCB When T2 TE4 indoor fan will stop when T2 TE3 indoor fan will re start In this protection compressor and outdoor fan still work 2 3 5 Indoor coil high temperature protection The...

Страница 45: ...indoor PCB which can display some information 2 5 1 When the unit is initial electrified all LED will flash for 1 second When the unit is standby LED1 will flashes at 0 5 Hz When the unit is running normally LED1 will be always on and LED2 LED3 are off 2 5 2 When there is an error these LEDs will display as following No Information LED1 LED2 LED3 Recover when 1 T2 sensor fault X X T2 is normal 2 I...

Страница 46: ...f Off Trouble Protection of Low pressure for 48k 60k models Flash Flash Off Trouble Overload of current Off Off Flash Trouble Communication malfunction Flash Off Flash Trouble Open circuit and short circuit trouble of T5 or protection of high pressure for 48k 60k models Off Flash Off Note 1 If the LED1 LED3 are flashing slowly means the system is stand by 2 T3 Outdoor condenser temperature sensor ...

Страница 47: ...r b Overload of current c Lack of phase Phase sequence error Change the order of two of the wires to power supply Switch on the unit again If the problem cannot be solved the outdoor PCB is defective Overload of current Check the current normally Is the current in rated range The outdoor PCB is defective Possible reason 1 Outdoor fan is defective 2 The compressor is defective 3 Refrigerant is over...

Страница 48: ...1 or K2 open Is temp protective switch K1 open Possible reason 1 The wires is loose to K1 2 Air or other gas in the refrigerant 3 Heat exchanger is dirty 4 Outdoor fan or fan blade is defective 5 Outdoor unit is in bad ventilation 6 Refrigerant is leakage Is pressure protective switch K2 open Yes Yes Yes Possible reason 1 The wires is loose to K2 2 Air or other gas in the refrigerant 3 Heat exchan...

Страница 49: ...3 41 5878 37 5 87359 77 1 29078 117 0 38991 2 39 8239 38 5 62961 78 1 25423 118 0 37956 1 37 1988 39 5 39689 79 1 21330 119 0 36954 0 35 2024 40 5 17519 80 1 17393 120 0 35982 1 33 3269 41 4 96392 81 1 13604 121 0 35042 2 31 5635 42 4 76253 82 1 09958 122 0 3413 3 29 9058 43 4 57050 83 1 06448 123 0 33246 4 28 3459 44 4 38736 84 1 03069 124 0 32390 5 26 8778 45 4 21263 85 0 99815 125 0 31559 6 25 ...

Страница 50: ...5 2 422 4 222 8 36 34 32 76 7 82 116 2 357 3 211 4 37 32 94 77 7 566 117 2 294 2 200 7 38 31 62 78 7 321 118 2 233 1 190 5 39 30 36 79 7 086 119 2 174 0 180 9 40 29 15 80 6 859 120 2 117 1 171 9 41 28 81 6 641 121 2 061 2 163 3 42 26 9 82 6 43 122 2 007 3 155 2 43 25 86 83 6 228 123 1 955 4 147 6 44 24 85 84 6 033 124 1 905 5 140 4 45 23 89 85 5 844 125 1 856 6 133 5 46 22 89 86 5 663 126 1 808 7 ...

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