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Electrical control wiring

Concealed type indoor unit

Remove the electrical control box lid of the concealed type indoor unit, pull wires inside through 

1. 

incoming hole at the side of the control box, and connect live wire L to terminal 1, neutral line N 
to terminal 2, earthing wire to copper earthing screw. Be sure to wire properly according to the 
unit wiring diagram, and ensure fi rm connection.
Pull communication lines from other indoor unit or outdoor unit inside through the incoming hole 

2. 

at the side, and connect to CN4/CN5 terminals of the controller based on following relation:

RS485 wire sequence

A

B

Shielding layer

CN4/CN5 terminal

A

B

G

When matching the wired controller, pull communication line from the wired controller inside 

3. 

through the incoming hole at the side of the control box, and connect to CN3 terminal of the 
controller. 
After fi nishing the above wiring, close the junction box lid.

4. 

Precautions:

All wiring should comply with the local laws and regulations; 

1. 

It is suggested that power line ≥ 1.5 mm

2. 

2

. If electric heater is provided for the unit, the 

specifi cation for power line should be improved accordingly;
It is suggested that conductors provided by Trane factory is used for the communication lines of 

3. 

the indoor and outdoor units. The shield twisted pair is 0.5 ~ 1.25 mm

2

, twist pitch is less than 10 

cm;
Control signal has A and B polarities. Connection of different polarities is prohibited (A and B may 

4. 

not be connected); 
While the power line is laid in parallel with the communication line, a certain distance must be 

5. 

retained.

Wired controller

Supporting rack of the wired controller base plate is shown in following fi gure. When being 

1. 

installed, the base plate must be fl ush with the wall surface.

AMS-SVX04A-EN 

19

Содержание MWC507

Страница 1: ...Indoor Unit Installation Operation Manual Advanced Multi split System Concealed Indoor Unit MW C D507 524 R410A 200061230200 April 2012 AMS SVX04A EN...

Страница 2: ...ormal and reliable operation of the air conditioner The installation of this unit must be executed by the specialized staff designated by our company This manual may not cover any circumstance encount...

Страница 3: ...detection and heat insulation of refrigerant pipe 16 Precautions 17 Connection of drainage pipe 17 Concentrated drainage 18 Drainage testing 18 Electrical control wiring 19 Concealed type indoor unit...

Страница 4: ...d it must accord with Engineering speci cation for electrical equipments and Speci cation for indoor electrical wiring The unit must be earthed properly Be sure to connect the earth wire to the ground...

Страница 5: ...avoid improper connection During operation of the unit never extend the nger stick or rod into the air inlet or outlet In the process of operation or at the just end of operation never touch the refr...

Страница 6: ...air return plenum without strainer without hot water coil A With rear air return plenum with strainer without hot water coil B With rear air return plenum with strainer with single row hot water coil...

Страница 7: ...t rear air return plenum bottom air return plenum hot water coil electric heater MW C D509 524MM Water outlet pipe joint ZG1 2 for single row ZG3 4 for double row Bottom return air 543 Rear return air...

Страница 8: ...3 5 409 295 487 510 113 23 1 Only main unit no accessories selected by the customer MW C D507 518NM 6 B C A 183 5 200 10 126 270 14 Outlet pipe Inlet pipe 14 A 29 Electric heater 12 211 43 207 Electri...

Страница 9: ...t least 4 ones should be used Ensure good ventilation so that the air ow can be blown throughout the room Obstruct should be put away from the air inlet or outlet so that the air may be circulated fre...

Страница 10: ...lowing gure 2 Mounting roof Supply air Wide expansion bolt Wide lock washer Hanging screw Nut B B A A B rivet Supply air channel Supply air channel Supply air channel Air outlet grille Unit roof plate...

Страница 11: ...and x it rmly Check whether the suspension rod is aligned with the unit and lift the unit on the suspension rod Set the drainage slope according to the right gure Make sure that there is a gradient i...

Страница 12: ...ter The return air duct and air outlet duct should be xed to the precast slab of the oor with iron stands and all joints of the air duct should be sealed with sealant The distance between the wall and...

Страница 13: ...e indoor unit after adding a transition duct and another end may be separate or be connected to the air outlet grille as shown in following gure Fan speed of each grille shall be uniform basically so...

Страница 14: ...pe size is too large a metal cut saw may be used but prevent saw dust entering into the pipe Only the are nut attached to the unit may be used Before aring rst mount the nut on the copper tube Check w...

Страница 15: ...en cylinder Pressure hose Pipe size 20 mm below 20 45 mm 45 mm above Max interval m 1 0 1 5 2 0 Purging of refrigerant pipe During erecting and constructing the tting pipe it is hard to avoid dust wat...

Страница 16: ...here is change of pressure check whether each interface welding or ared and the whole system have good tightness and see if there have leakage sources Caution when the air temperature at the time of p...

Страница 17: ...e suspension rods of the horizontal drainage pipe Material Nominal diameter Distance Hard PVC pipe 25 40 mm Less than 1 5 m Connection of drainage pipe Without drainage pump Never install the drainage...

Страница 18: ...rainage pipe Suspension Main air vent Concentrated drainage pipe gradient 1 100 1 1 5m Indoor unit Indoor unit Indoor unit Ceiling 500 Main drainage Drainage testing Check the smoothness of drain afte...

Страница 19: ...the side of the control box and connect to CN3 terminal of the controller After nishing the above wiring close the junction box lid 4 Precautions All wiring should comply with the local laws and regul...

Страница 20: ...5 S6 S7 S8 DIP for model of the indoor unit If model of the indoor unit differs the DIP setting of the control panel is different There are 8 DIP switches on the control panel of the indoor unit of wh...

Страница 21: ...n in following table S5 S6 S7 Address of indoor unit 0 0 0 0 0 0 1 1 0 1 0 2 0 1 1 3 1 0 0 4 1 0 1 5 1 1 0 6 1 1 1 7 Shift selection for fan speed of the indoor unit There are 8 DIP switches on the co...

Страница 22: ...2 5 MW C D512 0 27 6 4 0 34 1 5 6 74 2 5 MW C D518 0 41 8 2 0 51 1 5 8 71 2 5 MW C D524 0 57 12 7 0 71 1 5 13 41 2 5 Slim model Model Frequency Hz Rated voltage V Range of voltage V Rated current of f...

Страница 23: ...nit 24 hours ahead before startup or the compressor may be damaged ON OFF Mode selection Sleep setting Auxiliary heating function button Fan speed setting PRI setting Time Inquiry set Buttons Quick co...

Страница 24: ...mode of this function is valid after being canceled reset the temperature and fan speed in sleep state 8 Selection of operating mode button Press this button to select the operating mode 9 Reset Pres...

Страница 25: ...pacity of indoor unit kW 03 Indoor unit coil inlet temperature T2 04 Indoor unit coil midpoint temperature T3 05 Indoor unit coil outlet temperature T4 06 Indoor return air temperature T1 07 Opening o...

Страница 26: ...utral Power line Coil middle temperature sensor Coil outlet temperature sensor Coil inlet temperature sensor Connector on main board Ground Room temperature sensor Factury wiring EH Electric heater 4...

Страница 27: ...2 3 N2 N1 CN1 CN2 CN8 3 YE YE Out door UNIT In door UNIT Fan motor FAN EV1 TB1 WRC J1 F1 T Relay for electric heater Wiring control panel Terminal connector Fuse Transformer Electronic expansion valve...

Страница 28: ...p M2 PUMP SA1 CN12 PUMP SA1 Out door UNIT In door UNIT MAIN BOARD MED LOW HIGH SUP LOW AN1 AN2 AN3 AN4 Fan motor Relay for electric heater Wiring control panel Terminal connector Fuse Transformer Elec...

Страница 29: ...D MED LOW HIGH SUP LOW Pump FAN EV1 TB1 WRC J1 F1 T N L EH PUMP SA1 AN1 AN2 AN3 AN4 Fan motor Relay for electric heater Wiring control panel Terminal connector Fuse Transformer Electronic expansion va...

Страница 30: ...tact your local district office Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice Literature Order Number...

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