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Mitsubishi Electric PUHZ-P200YKA3 User Manual

Mitsubishi Electric PUHZ-P200YKA3
102 pages
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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SERVICE MANUAL
R410A
Outdoor unit
[Model Name]
PUHZ-P200YKA3
PUHZ-P250YKA3
[Service Ref.]
PUHZ-P200YKA3.UK
PUHZ-P250YKA3.UK
PARTS CATALOG (OCB679)
CONTENTS
1. REFERENCE MANUAL ·································2
2. SAFETY PRECAUTION ································· 2
3. FEATURES ·····················································6
4. SPECIFICATIONS ·········································· 7
5. DATA ······························································· 8
6. OUTLINES AND DIMENSIONS ··················· 11
7. WIRING DIAGRAM ······································12
8. WIRING SPECIFICATIONS ··························13
9.
REFRIGERANT SYSTEM DIAGRAM
·············18
10. TROUBLESHOOTING ··································20
11. FUNCTION SETTING ··································· 74
12.
MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER
···· 83
13. EASY MAINTENANCE FUNCTION ·············92
14. DISASSEMBLY PROCEDURE ·····················95
Note:
•Thismanualdescribesservice
dataoftheoutdoorunitsonly.
No. OCH679
November 2017

Questions and Answers:

Mitsubishi Electric PUHZ-P200YKA3 Specifications

General IconGeneral
BrandMitsubishi Electric
ModelPUHZ-P200YKA3
CategoryAir Conditioner
LanguageEnglish

Summary

1 REFERENCE MANUAL

2 SAFETY PRECAUTION

2-1. ALWAYS OBSERVE FOR SAFETY

General safety rules before accessing terminals.

2-2. CAUTIONS RELATED TO NEW REFRIGERANT

Specific warnings for R410A refrigerant handling.

2-3. PRECAUTIONS WHEN REUSING EXISTING R22 REFRIGERANT PIPES

Guidelines for safely reusing R22 refrigerant piping.

Cautions for refrigerant piping work

Warnings for working with R410A refrigerant piping.

3 FEATURES

4 SPECIFICATIONS

5 DATA

5-1. REFILLING REFRIGERANT CHARGE (R410A: kg) PUHZ-P200/250

Refrigerant charge amounts for different piping lengths.

5-2. ADJUSTING THE AMOUNT OF REFRIGERANT PUHZ-P200/250

How to adjust refrigerant based on pipe length and initial charge.

5-3. COMPRESSOR TECHNICAL DATA (at 20°C)

Technical data for the compressor, including winding resistance.

5-4. NOISE CRITERION CURVES

Sound pressure level curves for different frequency bands.

5-5. STANDARD OPERATION DATA

Operational parameters for various matching conditions.

6 OUTLINES AND DIMENSIONS

7 WIRING DIAGRAM

8 WIRING SPECIFICATIONS

8-1. FIELD ELECTRICAL WIRING (power wiring specifications)

Power wiring requirements and specifications.

8-2. SEPARATE INDOOR UNIT/OUTDOOR UNIT POWER SUPPLIES

Connection patterns for separate power supplies.

8-3. INDOOR – OUTDOOR CONNECTING CABLE

Specifications for connecting indoor and outdoor units.

8-4. M-NET WIRING METHOD

Guidelines for wiring the M-NET communication system.

9 REFRIGERANT SYSTEM DIAGRAM

9-1. REFRIGERANT COLLECTING (PUMP DOWN)

Procedure for safely collecting refrigerant.

9-2. START AND FINISH OF TEST RUN

Steps for performing a test run of the unit.

10 TROUBLESHOOTING

10-2. CHECK POINT UNDER TEST RUN

Checks to perform before and during a test run.

10-2-2. Test run for wired remote controller <PAR-3xMAA ("x" represents 0 or later)>

Procedure for test runs using a specific remote controller model.

10-2-3. Test run for wireless remote controller (Type C)

Test run procedure for Type C wireless remote controllers.

10-2-4. Test run for wireless remote controller <PAR-SL100A-E>

Test run procedure for PAR-SL100A-E wireless remote controller.

10-3. HOW TO PROCEED "SELF-DIAGNOSIS"

10-3-1. Self-diagnosis <PAR-3xMAA ("x" represents 0 or later)>

Procedure for self-diagnosis using a specific remote controller.

10-3-2. Remote controller check <PAR-3xMAA ("x" represents 0 or later)>

Procedure to check remote controller functionality.

10-3-3. Self-diagnosis for wireless remote controller (Type C)

Self-diagnosis procedure for Type C wireless remote controllers.

10-3-4. Self-diagnosis for wireless remote controller (PAR-SL100A-E)

Self-diagnosis procedure for PAR-SL100A-E wireless remote controllers.

10-4. SELF-DIAGNOSIS ACTION TABLE

10-5. TROUBLESHOOTING OF PROBLEMS

1. Remote controller display does not work.

Troubleshooting steps when remote controller display is blank.

2. “PLEASE WAIT” display is remained on the remote controller.

Troubleshooting steps for persistent "PLEASE WAIT" on remote controller.

10-6. HOW TO CHECK THE PARTS

Check method of DC fan motor (fan motor/outdoor controller circuit board)

Method for checking DC fan motor and associated boards.

10-7. HOW TO CHECK THE COMPONENTS

(1) Operation summary of the linear expansion valve

Overview of the linear expansion valve operation.

(2) Linear expansion valve operation

Detailed explanation of LEV operation and pulses.

(3) How to attach and detach the coil of linear expansion valve

Procedure for attaching and detaching the LEV coil.

10-8. EMERGENCY OPERATION

(3) Emergency operation procedure

Steps to perform emergency operation.

(4) Releasing emergency operation

Steps to exit emergency operation.

(5) Operation data during emergency operation

Data parameters used during emergency operation.

10-9. TEST POINT DIAGRAM

Outdoor noise filter circuit board

Diagram of the outdoor noise filter circuit board.

Outdoor power circuit board

Diagram of the outdoor power circuit board and brief checks.

10-10. FUNCTION OF SWITCHES, CONNECTORS AND JUMPERS

(1) Function of switches

Explanation of various DIP and push switch functions.

(2) Function of connector

Explanation of connector functions.

(a) Low-level sound priority mode (Local wiring)

Enabling low-noise mode via wiring.

(b) On demand control (Local wiring)

Enabling demand control for energy saving via wiring.

11 FUNCTION SETTING

11-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER

Setting unit functions using a wired remote controller.

11-1-2. Selecting functions using the wireless remote controller (Type C)

Guide to selecting functions via wireless remote controller (Type C).

11-1-3. Selecting functions using the wireless remote controller <PAR-SL100A-E>

Guide to selecting functions via wireless remote controller (PAR-SL100A-E).

11-2. FUNCTION SELECTION OF REMOTE CONTROLLER

11-2-1. <PAR-32MAA>

Detailed guide for function selection on PAR-32MAA remote controller.

12 MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER

12-1. HOW TO "MONITOR THE OPERATION DATA"

Procedure to monitor operation data using the remote controller.

12-2. Request code list

List of request codes for monitoring operation data.

13 EASY MAINTENANCE FUNCTION

13-1. SMOOTH MAINTENANCE

Procedure for smooth maintenance using remote controller.

14 DISASSEMBLY PROCEDURE

1. Removing the service panel and top panel

Steps to remove the service and top panels.

2. Removing the fan motor (MF1, MF2)

Steps to remove the fan motor assembly.

3. Removing the electrical parts box

Steps to remove the electrical parts box.

4. Disassembling the electrical parts box

Steps to disassemble the electrical parts box.

6. Removing the thermistor <Ambient> (TH7)

Steps to remove TH7 thermistor.

9. Removing the 4-way valve, LEV (LEV (A)) and high pressure switch.

Steps to remove the 4-way valve, LEV, and high pressure switch.

10. Removing the compressor (MC)

Steps to remove the compressor.

11. Removing the power receiver

Steps to remove the power receiver.

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