Mitsubishi Electric CITY MULTI PUMY-P200YKM2R2 User Manual

TECHNICAL & SERVICE MANUAL
OUTDOOR UNIT
HFC
utilized
R410A
Model name
indication
PARTS CATALOG (OCB675)
CONTENTS
TECHNICAL CHANGES
.........................................
2
1. SAFETY PRECAUTION
.....................................
3
2. OVERVIEW OF UNITS
.......................................
6
3. SPECIFICATIONS
............................................
10
4. DATA
.................................................................
11
5. OUTLINES AND DIMENSIONS
.......................
19
6. WIRING DIAGRAM
...........................................
21
7. NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION
.......
23
8. TROUBLESHOOTING
......................................
41
9. ELECTRICAL WIRING
...................................
117
10. REFRIGERANT PIPING TASKS
....................
123
11. DISASSEMBLY PROCEDURE
.......................
130
Note:
•
This service manual describes
technical data of the outdoor
units only.
No. OCH675
REVISED EDITION-E
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
June 2020
OCH675 REVISED EDITION-D
is void.
Revision:
• PUMY-P200YKM2R2,
PUMY-P200YKM2-ETR2,
PUMY-P200YKM2-ERR2,
PUMY-P200YKM2-BSR2,
PUMY-P200YKM2-ETBSR2 and
PUMY-P200YKM2-ERBSR2
have neen added in REVISED
EDITION-E.
• Some descriptions have been
modified.
<Outdoor unit>
[Model Name]
PUMY-P200YKM2
PUMY-P200YKM2
PUMY-P200YKM2R1
PUMY-P200YKM2R2
PUMY-P200YKM2-ETR2
PUMY-P200YKM2-ERR2
PUMY-P200YKM2-BS
PUMY-P200YKM2R1-BS
PUMY-P200YKM2-BSR2
PUMY-P200YKM2-ETBSR2
PUMY-P200YKM2-ERBSR2
[Service Ref.]
Salt proof model
PUMY-P200YKM2-BS

Mitsubishi Electric CITY MULTI PUMY-P200YKM2R2 Specifications

General

Brand	Mitsubishi Electric
Model	CITY MULTI PUMY-P200YKM2R2
Category	Air Conditioner
Language	English

Summary

Technical Changes

Safety Precautions

1-1. Cautions Related to New Refrigerant

Cautions for units utilizing refrigerant R410A.

Overview of Units

2-1. System Construction

Details the construction of outdoor and indoor units and their compatibility.

Specifications

Data

4-1. Selection of Cooling/Heating Units

Provides data for selecting indoor and outdoor units based on capacity.

4-2. Correction by Temperature

Explains how temperature affects unit capacity and power input.

4-3. Standard Capacity Diagram

Illustrates capacity, input, and current based on total indoor units capacity.

4-4. Correcting Capacity for Changes in the Length of Refrigerant Piping

Adjusts capacity based on piping length and frost/defrost conditions.

Outlines and Dimensions

Wiring Diagram

Necessary Conditions for System Construction

7-1. Transmission System Setup

Details wiring and address setting for M-NET and MA control systems.

Troubleshooting

8-1. Checkpoints for Test Run

Procedures and checks to perform before and during system test runs.

8-1-2. Countermeasures for Error During Test Run

Lists error codes and their corresponding troubleshooting steps.

8-1-3. Self-Diagnosis Action by Flowchart

Flowcharts for self-diagnosis of common errors and their remedies.

Electrical Wiring

9-1. Overview of Power Wiring

Covers power supply requirements, wiring regulations, and safety precautions.

9-2. Wiring of Main Power Supply and Equipment Capacity

Details wiring diagrams for power supply and equipment capacity selection.

Refrigerant Piping Tasks

10-1. Refrigerant Piping System

Guidelines for selecting refrigerant piping and kits, and calculating refrigerant charge.

10-2. Precautions Against Refrigerant Leakage

Safety measures and procedures to prevent and manage refrigerant leakage.

Disassembly Procedure