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Panasonic CS-A12ATP5 Service Manual

Other manuals for CS-A12ATP5: Operating Instructions Manual
Manual is about: Room Air Conditioner

Summary of CS-A12ATP5

  • Page 1

    1 functions 2 2 product specifications 5 3 dimensions 11 4 refrigeration cycle diagram 13 5 block diagram 14 6 wiring diagram 16 7 operation details 18 8 operating instructions 21 9 installation instructions 25 © 2001 matsushita air-conditioning corp. Sdn. Bhd. (183914d). All rights reserved. Unauth...

  • Page 2: 1 Functions

    1 functions remote control transmitter remote control operation start/stop operation mode selection indoor fan speed selection room temperature setting / time setting sleep mode auto-control ● starts/stops when the button is pressed timer operation selection ● 12 hours on/off dual timer setting time...

  • Page 3

    Indoor unit sensing the room temperature ● room temperature sensor (thermistor) starting current control ● indoor fan is delayed for 1.6 seconds at the starting time delay safety control ● restarting is inhibited for apporox. 3 minutes circuit protection control ● 30 seconds forced operation of the ...

  • Page 4

    Outdoor unit overload protector anti-freezing control for the evaporator ● compressor will be stopped when the evaporator’s piping temperature is 0°c or less for three minutes ● restarting at 12°c or higher (time delay safety control has a priority) airflow direction control automatic airflow direct...

  • Page 5: 2 Product Specifications

    2 product specifications unit cs-a12atp5 cu-a12atp5 cooling capacity kw btu/h kcal/h 3.35; 3.35; 3.40 11,400; 11,400; 11,600 2,870; 2,870; 2,920 heating capacity kw btu/h kcal/h 4.00; 4.00; 4.10 13,600; 13,600; 13,900 3,430; 3,430; 3,500 moisture removal l/h pint/h 2.0 4.2 power source phase v cycle...

  • Page 6

    Unit cs-a12atp5 cu-a12atp5 power cord length number of core-wire m 2.3 3 (1.0 mm 2 ) — — dimensions height inch (mm) 6 - 1/2 (165) 19 - 29/32 (505) width inch (mm) 43 - 5/16 (1,100) 30 - 23/32 (780) depth inch (mm) 25 - 19/32 (650) 9 - 21/32 (245) net weight lb (kg) 62 (28) 88 (40) compressor type —...

  • Page 7

    Unit cs-a18atp5 cu-a18atpt5 cooling capacity kw btu/h kcal/h 5.05; 5.05; 5.10 17,200; 17,200; 17,400 4,340; 4,340; 4,390 heating capacity kw btu/h kcal/h 5.35; 5.35; 5.45 18,200; 18,200; 18,600 4,600; 4,600; 4,690 moisture removal l/h pint/h 2.8 5.9 power source phase v cycle single 220; 230; 240 50...

  • Page 8

    Unit cs-a18atp5 cu-a18atpt5 dimensions height inch (mm) 6 - 1/2 (165) 26 - 31/32 (685) width inch (mm) 43 - 5/16 (1,100) 31 - 1/2 (800) depth inch (mm) 25 - 19/32 (650) 11 - 13/16 (300) net weight lb (kg) 66 (30) 132 (60) compressor type — rotary (1 cylinder) rolling piston type motor type — inducti...

  • Page 9

    Unit cs-a24atp5 cu-a24atpt5 cooling capacity kw btu/h kcal/h 6.00; 6.05; 6.10 20,400; 20,600; 20,800 5,140; 5,190; 5,240 heating capacity kw btu/h kcal/h 6.00; 6.05; 6.20 20,400; 20,600; 21,100 5,140; 5,190; 5,310 moisture removal l/h pint/h 3.4 7.2 power source phase v cycle single 220; 230; 240 50...

  • Page 10

    Unit cs-a24atp5 cu-a24atpt5 dimensions height inch (mm) 6 - 1/2 (165) 26 - 31/32 (685) width inch (mm) 43 - 5/16 (1,100) 31 - 1/2 (800) depth inch (mm) 25 - 19/32 (650) 11 - 13/16 (300) net weight lb (kg) 66 (30) 137 (62) compressor type — rotary (1 cylinder) rolling piston type motor type — inducti...

  • Page 11: 3 Dimensions

    3 dimensions 11 cs-a12atp5 cu-a12atp5 / cs-a18atp5 cu-a18atpt5 / cs-a24atp5 cu-a24atpt5.

  • Page 12

    12 cs-a12atp5 cu-a12atp5 / cs-a18atp5 cu-a18atpt5 / cs-a24atp5 cu-a24atpt5.

  • Page 13

    4 refrigeration cycle diagram 13 cs-a12atp5 cu-a12atp5 / cs-a18atp5 cu-a18atpt5 / cs-a24atp5 cu-a24atpt5.

  • Page 14: 5 Block Diagram

    5 block diagram 14 cs-a12atp5 cu-a12atp5 / cs-a18atp5 cu-a18atpt5 / cs-a24atp5 cu-a24atpt5.

  • Page 15

    15 cs-a12atp5 cu-a12atp5 / cs-a18atp5 cu-a18atpt5 / cs-a24atp5 cu-a24atpt5.

  • Page 16: 6 Wiring Diagram

    6 wiring diagram 16 cs-a12atp5 cu-a12atp5 / cs-a18atp5 cu-a18atpt5 / cs-a24atp5 cu-a24atpt5.

  • Page 17

    17 cs-a12atp5 cu-a12atp5 / cs-a18atp5 cu-a18atpt5 / cs-a24atp5 cu-a24atpt5.

  • Page 18: 7 Operation Details

    Time delay safety control automatic restarting control compressor forced operation control 7 operation details 7.1. Cooling mode operation when selecting the cooling (cool) mode operation, the unit will operate according to the setting by the remote control and the operation is as the following. 3 m...

  • Page 19

    Sleep mode operates to match your sleeping condition. 1. At cooling or soft dry operation when you set the sleep mode (sleep), the following movement will start to avoid overcooling. • the fan speed is automatically set to low. • the setting temperature will be rise by 1°c at the start of operation ...

  • Page 20

    7.5. Deice control 1. Manual operation when the airflow direction adjustment button of the remote control is pressed, the louver moves up/down in the movable range shown in the diagram at right, and can be stopped at the required position. Only the up/down louvers are adjustable from the remote cont...

  • Page 21: 8 Operating Instructions

    8 operating instructions ■ installation precautions ! Warning ● this room air conditioner must be earthed. Improper grounding could cause electric shock. ● ensure that the drainage piping is connected properly. Otherwise, water will leak out. ● do not install the unit in a potentially explosive atmo...

  • Page 22

    Name of each part ■ remote control ● remote control signal. • make sure it is not obstructed. • maximum distance : 10 m. • signal received sound. One short beep or one long beep. ● notes for remote control. • do not throw or drop. • do not get it wet. • certain type of fluorescent lamps may affect s...

  • Page 23

    ● operation details cool – cooling operation • to set the room temperature at your preference cooling comfort. Auto – automatic operation • sense indoor temperature to select the optimum mode. • temperature is not displayed on the remote control during auto operation. Dry – soft dry operation • a ve...

  • Page 24

    ■ pre-season inspection ● clean the air filters, re-insert and operate the air conditioners. ● is the discharged air cold / warm? Operation is normal if 15 minutes after the start of operation, the difference between the air intake and outlet vents temperature is:- ● are the air intake or outlet ven...

  • Page 25

    9 installation instructions required tools for installation works 1. Philips screw driver 5. Spanner 9. Gas leak detector 13. Multimeter 2. Level gauge 6. Pipe cutter 10. Measuring tape 14. Torque wrench 18 n.M (1.8 kgf.M) 55 n.M (5.5 kgf.M) 65 n.M (6.5 kgf.M) 3. Electric drill, hole core drill (ø70...

  • Page 26

    1. The equipment must be earthed. It may cause electrical shock if grounding is not perfect. 2. Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of the unit, it may cause fire. 3. Carry out drainage piping as mentioned in ins...

  • Page 27

    Installation parts provided 1. Suspension bolts (m10 × 600...4 pcs.) 2. Nut, washer (m10...16 pcs.) 3. Spring washer (m10...8 pcs) 4. Bolt with washer (m8...4 pcs) 5. Remote control holder fixing screw (m3 × 12...2 pcs.) 6. Adjusting bolts (...2 pcs.) 7. Bolt/nut-wall installation (m12 × 25...Each 2...

  • Page 28

    Installation on the ceiling • measure and mark the position for the suspension bolts and the piping hole. • drill the hole for anchor nut on the ceiling. • drill the piping hole slightly tilted to the outdoor side with a Ø 70 hole-core drill. • insert the nuts and washers onto the suspension bolts f...

  • Page 29

    Installation on the floor • measure and mark the position for the floor brackets and the piping hole. • drill the hole for the anchor nut. • drill the piping hole with a Ø 70 hole-core drill (either the left or the right). • secure the floor mount brackets on the wall with two m4 screw. 9.2.3. To dr...

  • Page 30

    (ii) secure the indoor unit onto the installation bracket with four m8 bolts with washer. • engage the lower flange of the hanging bracket on the unit with the hooks. • secure the unit to the installation bracket with four m8 bolts. • (refer to the diagram below) 2b. For installation on the floor. (...

  • Page 31

    2. For the left side piping. Attach the edge protector onto the edge of the knock- out hole. • align the center of the pipings and sufficiently tighten the flare nut with fingers. • finally tighten the flare nut with torque wrench until the wrench clicks. When tightening the flare nut with torque wr...

  • Page 32

    At the best location, start installation according to indoor/outdoor unit installation diagram. 1. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut. (ø10 mm). 2. When installing at roof, please consider strong wind. Please fasten the installation stand firmly with bolt or ...

  • Page 33

    1. Remove the service port caps from both 3-way valves. 2. Connect the manifold gauge set to the service port of liquid side 3-way valve. 3. Connect the charging cylinder to the manifold gauge set and open the valve of the cylinder. 4. Open the low pressure side valve of the manifold gauge for appro...

  • Page 34

    9.3.6. Connect the cable to the outdoor unit 1. Remove the control board cover from the unit by loosening the screw. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 3 (c12at) × 1.5 mm 2 or 5 (a12at) × 1.5 mm 2 or 3 (c18at/c24at) × 2.5 mm 2 or 5 (a1...

  • Page 35

    In case of the outdoor unit is installed upper position of the indoor unit. 1. Tape the pipings, and connecting cable from down to up. 2. From the pipings gathered by taping along the exterior wall and the trap is required to prevent water from entering the room. 3. Fix the pipings onto the wall by ...

  • Page 36: 10 Servicing Information

    Pump-down terminal • the thermostat will be switched on (even if the room temperature is low) when the pump-down terminal is short-circuited (by using) alligator-type clips or a similar method), thus permitting easy pump-down when the unit is to be moved to another place. For charging the wireless r...

  • Page 37: 11 Troubleshooting Guide

    11.1. Refrigeration cycle system in order to diagnose malfunctions, make sure that there are no electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation, problem with the power source, malfunction of a compressor and a fan. The normal outlet air te...

  • Page 38

    11.1.1. Relationship between the condition of the air conditioner and pressure and electric current cooling mode heating mode condition of the air conditoner low pressure high pressure electric current during operation low pressure high pressure electric current during operation insufficient refrige...

  • Page 39: 12 Technical Data

    12 technical data 39 cs-a12atp5 cu-a12atp5 / cs-a18atp5 cu-a18atpt5 / cs-a24atp5 cu-a24atpt5.

  • Page 40

    240v outdoor temp. (°c) indoor wet bulb temp. 30 35 40 46 tc shc ip tc shc ip tc shc ip tc shc ip 17.0°c 3.37 2.56 1.19 3.15 2.45 1.28 2.93 2.36 1.37 2.67 2.24 1.48 19.0°c 3.40 1.30 19.5°c 3.70 2.68 1.21 3.46 2.57 1.31 3.22 2.48 1.40 2.93 2.36 1.51 22.0°c 4.04 2.78 1.24 3.77 2.67 1.33 3.51 2.58 1.42...

  • Page 41

    240v outdoor temp. (°c) indoor wet bulb temp. 30 35 40 46 tc shc ip tc shc ip tc shc ip tc shc ip 17.0°c 3.37 2.56 1.19 3.15 2.45 1.28 2.93 2.36 1.37 2.67 2.24 1.48 19.0°c 3.40 1.30 19.5°c 3.70 2.68 1.21 3.46 2.57 1.31 3.22 2.48 1.40 2.93 2.36 1.51 22.0°c 4.04 2.78 1.24 3.77 2.67 1.33 3.51 2.58 1.42...

  • Page 42: 13 Exploded View

    13 exploded view 42 cs-a12atp5 cu-a12atp5 / cs-a18atp5 cu-a18atpt5 / cs-a24atp5 cu-a24atpt5.

  • Page 43: 14 Replacement Parts List

    14 replacement parts list ref. No. Part name & description qty. Cs-a12atp5 cs-a18atp5 cs-c24atp5 1 base ass’y 1 cwd52k195b ← ← 2 particular plate for base 1 cwd90811 ← ← 3 particular piece 2 cwd93592 ← ← 4 particular plate 1 cwd90821 ← ← 5 fan motor bracket (bottom) 1 cwd54152 ← ← 6 fan motor 1 cwa9...

  • Page 44: 15 Exploded View

    15 exploded view 44 cs-a12atp5 cu-a12atp5 / cs-a18atp5 cu-a18atpt5 / cs-a24atp5 cu-a24atpt5.

  • Page 45: 16 Replacement Parts List

    16 replacement parts list ref. No. Part name & description qty. Cu-a12atp5 cu-a28atpt5 cu-a24atpt5 1 chassy ass’y 1 cwd50k550a cwd50k514b ← 2 sound proof board 1 cwh15214 cwh15223 ← 3 fan motor bracket 1 cwd54155 cwd54145 ← 4 supportor - f.M. Bracket (left) 1 - cwd90835 ← 5 supportor - f.M. Bracket ...

  • Page 46: 17 Electronic Parts List

    17 electronic parts list cwa74314 symbol description & name part no. Bz buzzer a48039 d1, d2, d3, d4, d5 diode a54ma165ta5 d6 diode a54ra15-01kb db1 diode bridge a54cs1vb20e fuse fuse xba2c20tr0 ic1 integrated circuit a52d7533u313 ic2 integrated circuit a54mn1551aba ic3 integrated circuit a52mpc393c...

  • Page 47

    18 electronic circuit diagram schematic diagram 1/3 • cs-c12atp / cu-c12atp l ry-c white p fan motor c-fm gry gry ry-hot red blue fuse 2a r42 1w 33.0k r43 1w 33.0k c24 0.01 µ ry-h ry-m ry-l t black t black tf znr1 erztceak471 cn-t cn-c (vh-2) db1 s1vb10 15 c21 25v 3300 µ c23 25v 10 µ r40 1.5k cr1 ec...

  • Page 48

    Schematic diagram 2/3 q4 un4224 ry-c drive ic4 µ pa2003c ic3 µ pc393c 0 0 5 ic6 an78m05 regulator ic7 lqt50.5x1 r38 1w 1.2k Ω 5v i o g 15 5 c14 25v 10 µ c13 10v 22 µ su su c17 10v22 µ c18 1000p r37 10.0k r33 10.0k r32 158k su c16 10v 22 µ su c15 10v 22 µ su c10 10v 100 µ c11 0.01 µ r31 10.0k rx 0 0 ...

  • Page 49

    Schematic diagram 3/3 (nh-6) white 9 1 16 3 6 14 11 2 4 15 13 m54588p stepping motor drive ic5 un4212 q1 µ pc1475ha ic r4 10.0k d1 d2 d3 d4 ma165 ta-5 r3 510.0k x2 cst4.0omgt 8 cn-stm 3 4 6 5 2 1 (xh-4) blue (xh-4) blue cn-disp 1 2 3 4 cn-disp 1 2 3 4 x4 gnd stepping motor cn-rcv 3 4 (xh-4) green cn...

  • Page 50

    Schematic diagram 1/3 • cs-a18atp / cu-a18atpt • cs-a24atp / cu-a24atpt l ry-c white p fan motor c-fm gry gry ry-hot red blue fuse 2a r42 1w 33.0k r43 1w 33.0k c24 0.01 µ ry-h ry-m ry-l t black t black tf znr1 erztceak471 cn-t cn-c (vh-2) db1 s1vb10 15 c21 25v 3300 µ c23 25v 10 µ r40 1.5k cr1 ecqj01...

  • Page 51

    Schematic diagram 2/3 q4 un4224 ry-c drive ic4 µ pa2003c ic3 µ pc393c 0 0 5 ic6 an78m05 regulator ic7 lqt50.5x1 r38 1w 1.2k Ω 5v i o g 15 5 c14 25v 10 µ c13 10v 22 µ su su c17 10v22 µ c18 1000p r37 10.0k r33 10.0k r32 158k su c16 10v 22 µ su c15 10v 22 µ su c10 10v 100 µ c11 0.01 µ r31 10.0k rx 0 0 ...

  • Page 52

    Schematic diagram 3/3 (nh-6) white 9 1 16 3 6 14 11 2 4 15 13 m54588p stepping motor drive ic5 un4212 q1 µ pc1475ha ic r4 10.0k d1 d2 d3 d4 ma165 ta-5 r3 510.0k x2 cst4.0omgt 8 cn-stm 3 4 6 5 2 1 (xh-4) blue (xh-4) blue cn-disp 1 2 3 4 cn-disp 1 2 3 4 x4 gnd stepping motor cn-rcv 3 4 (xh-4) green cn...

  • Page 53

    How to use electronic circuit diagram timer table test mode name time (when test point short-circuited) remarks time delay safety control 2 min. 58 sec. 0 sec. Circuit protection control 30 sec. 0 sec. Starting current control 1.6 sec. 0 sec. Automatic restarting control 7 min. 7 min. Sleep mode 5 m...

  • Page 54

    18.1. Remote control 54 cs-a12atp5 cu-a12atp5 / cs-a18atp5 cu-a18atpt5 / cs-a24atp5 cu-a24atpt5.

  • Page 55

    18.2. Print pattern indoor unit printed circuit board 55 cs-a12atp5 cu-a12atp5 / cs-a18atp5 cu-a18atpt5 / cs-a24atp5 cu-a24atpt5.

  • Page 56

    56 cs-a12atp5 cu-a12atp5 / cs-a18atp5 cu-a18atpt5 / cs-a24atp5 cu-a24atpt5 [macc] printed in malaysia.