![Toshiba MMK-AP0094MH-E [24/102] Configuration of control circuit](/img/pdf.png)
Toshiba MMK-AP0094MH-E [24/102] Configuration of control circuit
![Toshiba MMK-AP0074MH-E [24/102] Configuration of control circuit](/views2/1332852/page24/bg18.png)
24
6. CONFIGURATION OF CONTROL CIRCUIT
6-1. Indoor Controller Block Diagram
6-1-1. Case of Main (Sub) Remote Controller Connected
Display
part
LCD
Display
LCD
Function setup
CPU
Remote
controller
communication
circuit
Remote
controller
communication
circuit
CPU
H8/3039
DriverDriver
Display
part
LED
Key switch
Power
circuit
DC5V
LCD
driver
Function setup
CPU
Key switch
Power
circuit
Secondary
battery
DC5V
*
2
Same
as left
CN2
CN1
A B
1 23
L N U1 U2
U1 U2
A
B
Same
as left
A B
Outdoor
unit
1 23
Outdoor
unit
Indoor unit
#1
Sensor display P.C. board
(MCC-819)
Main P.C. board (MCC-1510)
DC20V
DC12V
DC5V
DC280V
Sensor part
Louver
motor
Indoor
fan motor
EEPROM
TA sensor
TC sensor
TCJ sensor
HA
Power supply
1Ø, 220 - 240V, 50Hz
1Ø, 220V, 60Hz
Outdoor unit
AC
synchronous
signal input
circuit
BUS
communication
circuit
Remote
controller
A/B setup
Fan motor
control circuit
Start
Alarm
Ready
Thermostat ON
COOL
HEAT
FAN
Outside
output
Power
circuit
Max. 8 units are connectable.
*1 In group connection, mount the
central control remote controller to
group header unit.
*2 Connection of weekly timer to sub
remote controller is unavailable.
Wired (Simple)
master remote controller
(Up to 2 sets)
Central remote controller
LED
Содержание
- Service manual p.1
- Mult type p.1
- Mmk ap0074mh e mmk ap0094mh e mmk ap0124mh e mmk ap0074mh tr mmk ap0094mh tr mmk ap0124mh tr p.1
- Contents p.2
- The air conditioner must be installed maintained repaired and removed by a qualified installer or qualified service person when any of these jobs is to be done ask a qualified installer or qualified service person to do them for you a qualified installer or qualified service person is an agent who has the qualifications and knowledge de scribed in the table below p.3
- Please read carefully through these instructions that contain important information which complies with the machinery directive directive 2006 42 ec and ensure that you understand them p.3
- Original instruction p.3
- Generic denomination air conditioner p.3
- Definition of qualified installer or qualified service person p.3
- Warning p.4
- Explanation of indications p.4
- Explanation of illustrated marks p.4
- Definition of protective gear p.4
- Danger p.4
- Caution p.4
- Electrical shock hazard p.5
- Confirmation of warning label on the main unit p.5
- Confirm that labels are indicated on the specified positions if removing the label during parts replace stick it as the original p.5
- Caution p.5
- Burst hazard p.5
- Warning indications on the air conditioner unit p.5
- Warning p.5
- The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual p.6
- Precautions for safety p.6
- Danger p.6
- Warning p.7
- Relocation p.10
- Only a qualified installer 1 or qualified service person 1 is allowed to relocate the air conditioner it is dangerous for the air conditioner to be relocated by an unqualified individual since a fire electric shocks injury water leakage noise and or vibration may result when carrying out the pump down work shut down the compressor before disconnecting the refrigerant pipe disconnecting the refrigerant pipe with the service valve left open and the compressor still operating will cause air etc to be sucked in raising the pressure inside the refrigeration cycle to an abnormally high level and possibly resulting in reputing injury etc 1 refer to the definition of qualified installer or qualified service person p.10
- If you have discovered that the fan grille is damaged do not approach the outdoor unit but set the circuit breaker to the off position and contact a qualified service person to have the repairs done do not set the circuit breaker to the on position until the repairs are completed p.10
- Explanations given to user p.10
- Specifications p.11
- Declaration of conformity p.11
- Safety caution concerned to new refrigerant p.12
- Pipe materials p.12
- New refrigerant r410a p.12
- Cautions on installation service p.12
- Tools whose specifications are changed for r410a and their interchangeability p.13
- Tools exclusive for r410a the following tools for r410a are required p.13
- Note 1 when flaring is carried out for r410a using the conventional flare tools adjustment of projection margin is necessary for this adjustment a copper pipe gauge etc are necessary note 2 charging cylinder for r410a is being currently developed p.13
- In addition to the above exclusive tools the following equipments which serve also for r22 are neces sary as the general tools 1 vacuum pump use vacuum pump by attaching vacuum pump adapter 7 screwdriver 2 torque wrench 8 spanner or monkey wrench 3 pipe cutter 9 hole core drill 4 reamer 10 hexagon wrench opposite side 4mm 5 pipe bender 11 tape measure 6 level vial 12 metal saw p.13
- General tools conventional tools can be used p.13
- Also prepare the following equipments for other installation method and run check 1 clamp meter 3 iinsulation resistance tester 2 thermometer 4 electroscope p.13
- 1 required tools for r410a mixing of different types of oil may cause a trouble such as generation of sludge clogging of capillary etc accordingly the tools to be used are classified into the following three types 1 tools exclusive for r410a those which cannot be used for conventional refrigerant r22 2 tools exclusive for r410a but can be also used for conventional refrigerant r22 3 tools commonly used for r410a and for conventional refrigerant r22 the table below shows the tools exclusive for r410a and their interchangeability p.13
- Model mmk ap0074m p.14
- Construction views external views p.14
- Ap0124m p.14
- Ap0094m p.14
- Wiring diagram p.15
- Mcc 1510 control p c board for indoor unit p.15
- Indicates the terminal block letter at inside indicates the terminal number 2 a dotted line and broken line indicate the wiring at site 3 indicates the control p c board p.15
- Parts rating p.16
- 2 name of each part p.16
- 1 parts rating p.16
- Earth screw p.16
- Air outlet air outlet flap p.16
- Air inlet grille p.16
- Air filter p.16
- Strainer sensor tcj sensor tc2 p.17
- Strainer capillary tube p.17
- Sensor tc1 p.17
- Refrigeranting cycle diagram p.17
- Pulse motor valve pmv p.17
- M fan motor sensor ta p.17
- Gas side liquid side p.17
- Air heat exchanger at indoor side p.17
- Control outline p.18
- 1 indoor unit control specifications p.18
- A zone off b zone over 30 c below 32 c ul c zone over 32 c below 24 c l d zone over 24 c below 36 c h e zone hh p.19
- Configuration of control circuit p.24
- 1 indoor controller block diagram p.24
- 1 1 case of main sub remote controller connected p.24
- Same as left p.25
- Max 8 units are connectable p.25
- Indoor unit 1 p.25
- 1 in group connection mount the central control remote controller to group header unit p.25
- 1 2 case of wireless remote controller kit connected p.25
- Mcc 1510 p.26
- 2 indoor p c board p.26
- Wall type p c board optional switch connector specifications p.27
- 3 functions at test run p.28
- Requirement p.29
- In case of wireless remote controller p.29
- Check wiring piping of indoor and outdoor units p.29
- Check transmission of remote controller p.29
- To exchange the indoor pmv coil set the indoor pmv to max opening degree for the detailed positions of chk pin cn71 on indoor p c board and disp pin cn72 on indoor p c board refer to the indoor p c board mcc 1510 p.30
- This function is provided to check the operation of the indoor unit singly without communication with the remote controller or the outdoor unit this function can be used regardless of operation or stop of the system however if using this function for a long time a trouble of the equipment may be caused limit using this function within several minutes p.30
- Short circuit chk pin cn71 on the indoor p c board the operation mode differs according to the indoor unit status in that time normal time both float sw and fan motor are normal abnormal time either one of float sw or fan motor is abnormal 2 restricted to the normal time if short circuiting disp pin cn72 on the indoor p c board in addition to short circuit of chk pin cn71 on the indoor p c board the minimum opening degree 30pls can be set to the indoor pmv only when open disp pin the maximum opening degree 1500pls can be obtained again p.30
- Open chk pin while the system is operating it stops once but automatically returns to operation after several minutes p.30
- How to operate p.30
- How to clear p.30
- Check function for operation of indoor unit functions at indoor unit side p.30
- Applied control p.31
- 1 setup of selecting function in indoor unit be sure to execute setup by a wired remote controller p.31
- Table function selecting item numbers dn items necessary to perform the applied control at the local site are described p.32
- Indoor unit capacity p.33
- Code no 11 p.33
- Code no 10 p.33
- 1 initial setting value of eeprom installed on the service p c board p.33
- Control items p.34
- 2 applied control in indoor unit p.34
- Wiring diagram using remote control interface tcb ifcb 4e2 p.34
- Wiring and setup p.34
- Use the exclusive connector for connection with the indoor control p c board in a group control the system can operate when connecting with any indoor unit control p c board in the group however when taking out the operation error signal from the other unit it is necessary to take out from each unit individually p.34
- Start stop input signal operation start stop in unit 2 operation signal output during normal operation 3 error signal output during alarm serial communication error or indoor outdoor protective device operation p.34
- Remote location on off control box tcb ifcb 4e2 p.34
- Input ifcb 4e2 no voltage on off serial signal output no voltage contact for operation error display contact capacity below max ac240v 0 a p.34
- Ventilating fan control from wired remote controller p.35
- Wiring p.36
- Power peak cut from indoor unit p.36
- Operation p.36
- Leaving on prevention control with wired remote controller p.36
- Function p.36
- Control items p.36
- Address setup manual setting from wired remote controller p.37
- 9 10 11 p.37
- 3 4 5 6 p.37
- Operation p.38
- How to change all indoor addresses from an arbitrary wired remote controller p.41
- 3 4 5 6 7 8 p.41
- Monitoring function of wired remote controller switch p.43
- Calling of display p.43
- Before troubleshooting p.44
- Troubleshooting procedure p.44
- Troubleshooting p.44
- 1 troubleshooting summary p.44
- Goes on flashes goes off a alternate flashing condition is alternate when there are two flashing led s simultaneously two led flash simultaneously when there are two flashing led p.45
- Check code display list indoor unit p.45
- 2 how to check p.45
- Check code display list outdoor unit p.47
- Goes on flashes goes off a alternate flashing condition is alternate when there are two flashing led s simultaneously two led flash simultaneously when there are two flashing led p.48
- Goes on flashes goes off a alternate flashing condition is alternate when there are two flashing led s simultaneously two led flash simultaneously when there are two flashing led p.49
- Check code display list outdoor unit p.50
- In case of wired remote controller rbc amt32e p.51
- How to read the check monitor display p.51
- 3 troubleshooting by check display on wired remote controller p.51
- In case of central remote controller tcb sc642tle2 p.52
- Confirmation of error history p.52
- Confirmation and check p.52
- When specifying the check code check 7 segment display on the center unit for the check code which is not displayed on the outdoor 7 segment confirm it in section 8 2 how to check check code display list indoor unit p.53
- Indoor unit display part receiving unit wireless type p.53
- Goes off goes on flash 0 second p.53
- Others except check code p.55
- 4 check code and check position displayed on the remote controller and outdoor unit 7 segment display of interface p.56
- 1 all stop only in case of the header unit the follower unit continues operation p.59
- Error detected by tcc link central control device p.66
- Temperature c p.67
- Indoor tc1 sensor p.67
- Indoor ta sensor p.67
- 5 sensor characteristics p.67
- Temperature sensor characteristics p.67
- Resistance k below 10 c p.67
- Resistance k above 10 c p.67
- Resistance k p.67
- Indoor unit p.67
- Installation manual p.68
- Contents p.68
- Adoption of new refrigerant p.68
- High temperature parts you might get burned when removing this panel p.69
- Electrical shock hazard disconnect all remote electric power supplies before servicing p.69
- Do not touch the aluminum fins of the unit doing so may result in injury p.69
- Definition of protective gear when the air conditioner is to be transported installed maintained repaired or removed wear protective gloves and safety work clothing in addition to such normal protective gear wear the protective gear described below when undertaking the special work detailed in the table below failure to wear the proper protective gear is dangerous because you will be more susceptible to injury burns electric shocks and other injuries p.69
- Caution p.69
- Burst hazard open the service valves before the operation otherwise there might be the burst p.69
- Burst hazard p.69
- Warning indications on the air conditioner unit p.69
- Warning indication description p.69
- Warning p.69
- Stop the unit before the servicing p.69
- Open the service valves before the operation otherwise there might be the burst p.69
- Moving parts do not operate unit with grille removed stop the unit before the servicing p.69
- Moving parts do not operate unit with grille removed p.69
- Warning p.70
- Precautions for safety p.70
- Caution p.71
- Selection of installation place p.72
- Accessory parts p.72
- Installation space p.73
- Installation place p.73
- Installation diagram of indoor and outdoor units p.73
- Caution p.73
- Wireless remote controller p.73
- Installation of indoor unit p.74
- Cutting a hole and mounting installation plate p.74
- Piping and drain hose installation p.75
- Piping and drain hose forming p.75
- Caution p.75
- Indoor unit fixing p.76
- Drainage p.76
- Tightening torque of flare pipe connections pressure of r410a is higher than that of r22 approx 1 times therefore using a torque wrench tighten the flare pipe connecting sections which connect the indoor and outdoor units of the specified tightening torque incorrect connections may cause not only a gas leak but also a trouble of the refrigeration cycle align the centres of the connecting pipes and tighten the flare nut as far as possible with your fingers then tighten the nut with a spanner and torque wrench as shown in the figure p.77
- Requirement p.77
- Refrigerant piping p.77
- Open the valve of the outdoor unit fully p.77
- Heat insulation for the pipes should be done separately for the liquid side and gas side because both of the liquid and gas side pipes become a low temperature during cooling operation sufficient heat insulation should be done to prevent condensation heat insulator with a heat resistance of 120 c or more must be used for the gas side pipe the pipe connection section of the indoor unit must be heat insulated securely and compactly with the attached heat insulator p.77
- For air tightness test adding refrigerant refer to the installation manual attached to the outdoor unit p.77
- Do not supply power to the indoor unit until the airtight test and vacuuming are completed if the indoor unit is powered on the pulse motor valve is fully closed which extends the time for vacuuming p.77
- Do not apply excessive torque otherwise the nut may crack depending on the conditions p.77
- Tightening with an excessive torque may crack the nut depending on installation conditions tighten the nut within the specified tightening torque p.77
- Warning p.78
- Power supply wire and communication wires specifications p.78
- Electric work p.78
- Caution p.78
- Wiring between indoor and outdoor units p.79
- Wired remote controller wiring p.79
- L1 l2 ln p.79
- Caution p.79
- Address setup p.79
- Wiring connection for the flow selector unit p.80
- Wiring connection p.80
- How to connect the power supply wiring p.80
- Connect the wiring of the flow selector unit p.80
- Caution p.80
- And control wiring p.80
- Applicable controls p.81
- Test run p.82
- Troubleshooting p.83
- The following list shows each check code find the check contents from the list according to part to be checked in case of check from indoor remote controller see wired remote controller display in the list in case of check from outdoor unit see outdoor unit 7 segment display in the list in case of check from ai net central control remote controller see ai net central control display in the list in case of check from indoor unit with a wireless remote controller see sensor block display of receiving unit in the list p.84
- On the wired remote controller central control remote controller and the interface p c board of the outdoor unit i f a check display lcd remote controller or 7 segment display on the outdoor interface p c board to display the operation is provided therefore the operation status can be known using this self diagnosis function a trouble or position with error of the air conditioner can be found as shown in the table below p.84
- Lighting flashing goes off ai net artificial intelligence ipdu intelligent power drive unit alt flashing is alternately when there are two flashing led sim simultaneous flashing when there are two flashing led p.84
- Check method p.84
- Check code list p.84
- Warnings on refrigerant leakage p.87
- Error detected by tcc link central control device p.87
- Check of concentration limit p.87
- Indoor unit setup check sheet p.88
- Important p.88
- Confirmation of indoor unit setup p.88
- How to replace main parts p.89
- 1 indoor unit p.89
- Requirement when replacing the service indoor p c board assembly p.94
- Replacement of service indoor p c board p.94
- P c board model p.94
- Model type p.94
- Mmk ap p.94
- Mh series p.94
- Mcc 1510 p.94
- Case 2 p.94
- Case 1 p.94
- Minimum requirements or code no p.95
- 2 replacement of service p c board p.95
- 1 readout of the setup data from eeprom p.95
- P c board parts layout drawing p.96
- Method of dip switch setting p.96
- Case 2 p.96
- Case 1 p.96
- 3 writing of the setup contents to eeprom p.97
- Initial value of eeprom installed on the supplied service p c board p.98
- Indoor unit capacity code no 11 p.98
- Code no table please record the objective unit data at field p.98
- Exploded views and parts list p.99
- Tc2 tcj ø6mm p.101
- Tc1 ø4mm p.101
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