Mitsubishi Electric PAC-LV11M-J Installation Manual

AIR CONDITIONING SYSTEMSCONNECTION KITPAC-LV11M-JGBINSTALLATION MANUALFor safe and correct use, please read this installation manual thoroughly before

10GB(2) Insulate the thermistor with the supplied thermal insulation (procure locally).(3) Cut a 100 mm slit on the top portion of the extension pipin

11GB2.3.4. Electrical work2.3.4.1. Caution2.3.4.2. Connecting the connection kit, indoor and outdoor unit transmission cables• Connect the outdoor

12GB1. Use separate power supplies for the outdoor unit and connection kit.2. Consider the ambient conditions (ambient temperature, direct sunlight, r

13GBExamples of UNACCEPTABLE unit configurations(1) Grouping with CITY MULTI indoor unit (2) Connecting an MA & Contact Termianl Interface usingIT

14GBExamples of ACCEPTABLE unit configurations(1) Connecting with CITY MULTI outdoor unitA Outdoor unitB Connection kitC Indoor unitD BC controllerE R

15GB(4) Grouping with multi-connection kit and RAC indoor unitsA Outdoor unitB Connection kitC Indoor unitD System controllerE M-NET transmission cabl

16GB2.3.4.4. WiringCheck the Connection Kit accessories and parts1Cable band × 22Thermistor(1) Remove the electrical cover.(2) Install the two cable

17GB2.3.5. Refrigerant pipingIndoor unit connection example• Connect one connection kit per indoor unit.• Connect the connection kit the liquid pipe.

18GB2.4. Dip switch setting(1) SW2Set the dip switches in the connection kit as follows to configure the capacity settings for the connected indoor un

19GB4. Outlines and dimensionsNote 3Screw bolt (M5×10)34109152015685824Installation plate2-ø12 holes(For suspension bolt)4-10×5 oblong holes(For plane

2GBContents1. Safety precautions ... 21.1. Before installation and electric work

20GB5. Wiring diagramLED1LED (Power supply)LED1(Blue)(Blue)(Red)(Red)(Red)MDC280-340VRectifier circuitLEVZNR001NRF001A.B.SW5SWCSW11SW12SW14SWASW1 SW4S

21GB6. Refrigerant system diagram(A) Gas pipe thermistor TH23(B) Gas pipe(C) Liquid pipe(D) Brazed connections(E) Strainer (#100 mesh)(F) Linear expan

22GB7. Troubleshooting7.1. Test run Caution:Before operating the unit, check that the wiring, piping, and thermistor are installed and that the switch

23GB7.2. Check methods1. Component and check points(1) ThermistorGas pipe thermistor (TH23)Disconnect the connector and measure the resistance betwe

24GB1) Summary of linear expansion valve (LEV) operationThe LEV is operated by a stepping motor, which operates by receiving a pulse signal from th

25GB2) LEV operationWhen the power is turned on, a pulse signal of 2200 pulses is output (valve closure signal), to bring the valve to position A.

26GB7.3. Dip switch setting (Factory setting)1. Function setting(1) SW1(2) SW3Valve closure fail-ure (leaky valve)To check the LEV on the connection k

27GB2. Capacity code setting(1) SW2Dipswitch settings must be made while the unit is stopped.Factory setting = Every switch is set to OFF.The switches

WT06728X03 Printed in JapanThis product is designed and intended for use in the residential, commercial and light-industrial environment.The produc

3GB- If dust, dirt, or water gets in the refrigerant cycle, the refrigerant may deteri-orate.1.3. Before getting installed Caution:• Do not inst

4GB2. Overview of units2.1. System outline2.1.1. System example2.2. Unit constructionOutdoor unitIndoor unit that can be connectedCapacityRefer to ma

5GB2.3. Installation2.3.1. Installing the connection kitParts to procure locally• Suspension bolts or anchor bolts : W3/8 (M10)• Nut : W3/8 (M10)• Wa

6GBConnect the Connection Kit to the liquid pipe and install it inside the ceiling or on a wall (Do not install in an outdoor location. It may cause a

7GBInstallation pattern C (Installing the unit on a wall.)Set the Connection Kit mounting plate as shown below.Installation pattern D (Installing the

8GB2.3.2. Installing the refrigerant pipingCheck the Connection Kit accessories and parts1Pipe cover × 22Thermistor holder - ø9.52 × 13Thermistor hol

9GB2.3.3. Installing the thermistorsBe sure to install the thermistors (gas) supplied with the unit as shown in the illustration. • If the thermistor