Mitsubishi Electric PEAD-A24AA - Manuals

Page 2 - SAFETY PRECAUTION; Cautions for units utilising refrigerant R410A; Use new refrigerant pipes.; Be sure to use a filter drier for new refrigerant.

2 SAFETY PRECAUTION 1 1-1. ALWAYS OBSERVE FOR SAFETY Cautions for units utilising refrigerant R410A Use new refrigerant pipes. Make sure that the inside and outside of refrige-rant piping is clean and it has no contaminationsuch as sulfur hazardous for use, oxides, dirt, shaving particles, etc.In ad...

Page 3 - PART NAMES AND FUNCTIONS; Indoor Unit

3 Gravimeter Unit [3] Service tools Use the below service tools as exclusive tools for R410A refrigerant. No. Tool name Specifications 1 Gauge manifold · Only for R410A · Use the existing fitting specifications. (UNF1/2) · Use high-tension side pressure of 5.3MPa · G or over. 2 Charge hose · Only fo...

Page 4 - Display Section; Wired remote controller

4 ° F ° C ° F ° C ERROR CODE AFTER TIMER TIME SUN MON TUE WED THU FRI SAT ON OFF Hr AFTER FILTER FUNCTION ONLY1Hr. WEEKLY SIMPLE AUTO OFF PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. MENU BACK DAY MONITOR/SET CLOCK ON/OFF Display Section For purposes of this explanation,all parts of the ...

Page 5 - SPECIFICATION

5 Service Ref. Power supply (phase, cycle, voltage) Max. Fuse SizeMin. Circuit Ampacity A A External ﬁnishHeat exchanger Fan Fan (drive) × No. F Fan motor an motor output kW F.L.A Airﬂow (Low-Mid-High) m 3 /min (CFM) External static pressure Pa (in.WG) Operation control & ThermostatSound pressur...

Page 7 - FAN PERFORMANCE AND CORRECTED AIR FLOW

7 0 [0] 10 [0.040] 20 [0.080] 30 [0.120] 40 [0.161] 50 [0.201] 60 [0.241] Airflow rate (m 3 /min)[cfm] E xter nal static pressure (P a)[in.WG] 10 [353] 15 [530] 20 [706] 25 [883] 30 [1059] 0 [0] 50 [0.201] 100 [0.401] 150 [0.602] Airflow rate (m 3 /min)[cfm] E xter nal static pressure (P a)[in.WG] 1...

Page 12 - SOUND PRESSURE LEVELS; Ceiling concealed

12 SOUND PRESSURE LEVELS 5 5-1. Sound pressure level Measurement location 2m 1m Aux. duct 1.5m test unit 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 50.0 55.0 60.0 65.0 70.0 63 125 250 500 1k 2k 4k 8k NC-60 NC-50 Approximate minimumaudible limit oncontinuous noise NC-40 Octave band center freque...

Page 16 - OUTLINES & DIMENSIONS

16 6 OUTLINES & DIMENSIONS INDOOR UNIT PEAD-A24, 30, 36, 42AA 3-ø2.9(1/8) mounting hole Air filter Refrigerant piping flare connection (liquid) Liquid pipe Gas pipe ø9.52 (3/8) ø15.88 (5/8) Fresh air intake ø100(3-15/16) knock out hole A Model 1400 1100 PEAD-A24, 30AA PEAD-A36, 42AA G F BC D E 1...

Page 17 - WIRING DIAGRAM

17 7 WIRING DIAGRAM PEAD-A24, 30, 36, 42AA 1 3 MS 3 ~ 1 2 4 3 M 1 ~ 4 5 6 7 1 1 2 3 2 1 2 1 3 4 1 2 3 5 1 1 2 1 3 5 1 1 2 4 3 2 1 5 4 2 3 2 1 3 2 1 4 2 1 4 INSIDE SECTION OF CONTROL BOX I.B. P.B. NOTE:1.Since the outdoor side electric wiring may change be sure to check the outdoor unit electric wiri...

Page 18 - REFRIGERANT SYSTEM DIAGRAM; HEATER CONTROL; -1. CONTROL SPECIFICATIONS AND FUNCTION SETTING

18 8 REFRIGERANT SYSTEM DIAGRAM PEAD-A24, 30, 36, 42AA Thermistor TH2Pipe temperature(Liquid) Distributorwith strainer (#50) Thermistor TH5(Cond./ Eva.temperature) Thermistor TH1(Room temperature) Refrigerant flow in cooling Refrigerant flow in heating Strainer (#50) Strainer (#50) Heat exchanger Re...

Page 21 - TROUBLESHOOTING; Lead wires; E D F

21 10 TROUBLESHOOTING Lead wires 10-1. CAUTIONS ON TROUBLESHOOTING (1) Before troubleshooting, check the followings: 1 Check the power supply voltage. 2 Check the indoor/outdoor connecting wire for mis-wiring. (2) Take care the followings during servicing. 1 Before servicing the air conditioner, be ...

Page 22 - Wireless remote controller

22 • If the unit cannot be operated properly after the test run has been performed, refer to the following table to remove the cause. Symptom Cause Wired remote controller LED 1, 2 (PCB in outdoor unit) On the wireless remote controller with condition above, following phenomena take place.• No signa...

Page 24 - AUTO RESTART FUNCTION

24 Indicates whether control power is supplied. Make sure that this LED is always lit. Indicates whether power is supplied to the remote controller. This LED lights only in the case of the indoor unit which is connected to the outdoor unit refrigerant address “0”. Indicates state of communication be...

Page 29 - 0-4. TROUBLESHOOTING BY INFERIOR PHENOMENA

29 10-4. TROUBLESHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote controller. Phenomena Cause Countermeasure (1)LED2 on indoor controller board is off. • When LED1 on indoor controller board is also off. 1 Power supply of rated voltage is not supplied ...

Page 32 - Thermistor R

32 10-6. TROUBLE CRITERION OF MAIN PARTSPEAD-A24AAPEAD-A30AAPEAD-A36AAPEAD-A42AA Room temperaturethermistor(TH1) Condenser/evaporatortemperature thermistor(TH5) Measure the resistance with a tester.(Part temperature 10 ° C (50 ° F) ~ 30 ° C (86 ° F)) Pipe temperature thermistor/liquid(TH2) Wiring di...

Page 34 - Service board; 0-9. FUNCTIONS OF DIP SWITCH AND JUMPER WIRE

34 SW1 Setting by the dip switch and jumper wire Functions Jumper wire Modelsettings Capacitysettings Pair numbersetting withwirelessremotecontroller For service board Remarks SW2 J41J42 Unit type setting JP1 Indoorcontrollerboard type setting JP3 012 3 ~ 9 Wireless remote controller setting Control...

Page 35 - DISASSEMBLY PROCEDURE; Exercise caution when removing heavy parts.

35 PEAD-A24AAPEAD-A30AAPEAD-A36AAPEAD-A42AA 1. Control box 1. Removing the control box cover(1) Remove the two fixing screws on the cover (A) to remove it. 2. Thermistor (Intake air) 1. Remove the control box cover according to the procedure in section [1]. (1) Pull out the thermistor holder (B) and...

Page 42 - TM

New publication, effective Jul. 2009. Specifications subject to change without notice. HWE09050 Printed in Japan TM