Perfect Aire 1PAMSH18-MZO2-16 User manual

Multi outdoor units
SERVICE MANUAL Multi zone
CONDENSING UNITS
Revision B: ODMI-C1-1511
Model Numbers:
WARNING
Installation MUST conform with local building codes or, in the absence of local
codes, with the National Electrical Code NFPA70/ANSI C1-1993 or current edition
and Canadian Electrical Code Part1 CSA C.22.1.
The information contained in the manual is intended for use by a qualified service
technician familiar with safety procedures and equipped with the proper tools and
test instruments
Installation or repairs made by unqualified persons can result in hazards to you
and others.
Failure to carefully read and follow all instructions in this manual can result in
equipment malfunction, property damage, personal injury and/or death.
Table of Contents
1. Indoor Unit Combination
2. Suggested Indoor Unit Model Numbers
3. Dimension Of Outdoor Unit
4. Refrigerant Cycle Diagram
5. Installation Details
6. Electronic Function
7. Wiring Diagrams
8. Trouble Shooting
9. Disassembly Instructions
1PAMSH18-MZO2-16
1PAMSH27-MZO3-16
1PAMSH36-MZO4-16

CONTENTS
1. Indoor Unit Combination.......................................................................................................................................... 4
2. Suggested Indoor Unit Model Numbers................................................................................................................... 6
3. Dimension Of Outdoor Unit...................................................................................................................................... 8
4. Refrigerant Cycle Diagram...................................................................................................................................... 10
5. Installation Details..................................................................................................................................................12
5.1 Wrench torque sheet for installation ...............................................................................................................12
5.2 Connecting the cables ......................................................................................................................................12
5.3 Pipe length and the elevation........................................................................................................................... 12
5.4 Installation for the first time ............................................................................................................................ 12
5.5 Adding the refrigerant after running the system for many years ....................................................................14
5.6 Procedure when servicing the indoor unit refrigeration circuit.......................................................................14
5.7 Evacuation after servicing the outdoor unit refrigeration circuit ....................................................................15
6. Electronic Function.................................................................................................................................................16
6.1 Abbreviation .....................................................................................................................................................16
6.2 Electric control working environment.............................................................................................................. 16
6.3 Main Protection................................................................................................................................................ 17
6.4 Control and Functions ......................................................................................................................................18
7. Wiring Diagrams .....................................................................................................................................................23
8. Troubleshooting .....................................................................................................................................................38
8.1Safety.................................................................................................................................................................38
8.2Indoor Unit Error Display...................................................................................................................................39
8.3 Outdoor Unit Display ........................................................................................................................................ 42
8.4 Diagnosis and Solution ..................................................................................................................................... 47
8.5 Trouble Criterion Of Main Parts. ...................................................................................................................... 96
9. Disassembly Instructions ...................................................................................................................................... 107
Model: 1PAMSH18-MZO2- 16, .......................................................................................................................107

Model: 1PAMSH27-MZO3-16 (W210 metal plate) ...................................................................................113
Model: 1PAMSH36-MZO4-16 (W520 metal plate)....................................................................................128

1. Indoor Unit Combination
Multi DC
Outdoor Unit
Nominal
capacity
Suggested
Combination
Limit
1drive 2(M2OC)
5.2kW
12
None
7+9
7+12
9+9
9+12
Multi DC
Outdoor Unit
Nominal
capacity
Suggested
Combination
Limit
1drive 2(M2OD)
5.2kW
12
None
7+9
7+12
9+9
9+12
12+12
Multi DC
Outdoor Unit
Nominal
capacity
Suggested
Combination
Limit
1 drive 3(27K)
7.5kW
7+9
The 18k indoor
unit should not
be Floor Ceiling
or Duct unit;
There should be
only one Floor
Ceiling, Oasis or
Duct unit;
7+12
7+18
9+9
9+12
9+18
12+12
12+18
7+7+7
7+7+9
7+7+12
7+7+18
7+9+9
7+9+12
7+9+18
7+12+12
9+9+9
9+9+12
9+12+12
Multi DC
Outdoor Unit
Nominal
capacity
Suggested
Combination
Limit
1 drive 3(30K)
8.0kW
7+12
There should be
only one Floor
Ceiling or Duct
unit;
7+18
9+9
9+12
9+18
12+12
12+18
18+18
7+7+7
7+7+9
7+7+12
7+7+18
7+9+9
7+9+12
7+9+18
7+12+12
7+12+18
9+9+9
9+9+12
9+9+18
9+12+12
9+12+18
12+12+12
Multi DC
Outdoor Unit
Nominal
capacity
Suggested
Combination
Limit
1 drive 4(36K)
10.5kW
9+18
None
12+12
12+18
18+18
7+7+12
7+7+18
7+9+9
7+9+12
7+9+18
7+12+12
7+12+18
9+9+9
9+9+12
9+9+18
9+12+12
9+12+18
9+18+18

12+12+12
12+12+18
12+18+18
7+7+7+7
7+7+7+9
7+7+7+12
7+7+7+18
7+7+9+9
7+7+9+12
7+7+9+18
7+9+9+9
7+9+9+12
7+9+9+18
7+9+12+12
7+9+12+18
7+12+12+12
7+12+12+18
9+9+9+9
9+9+9+12
9+9+9+18
9+9+12+12
9+9+12+18
9+12+12+12
12+12+12+12
Multi DC
Outdoor Unit
Nominal
capacity
Suggested
Combination
Limit
1 drive 5(48K)
14kW
18+18
None
18+24
24+24
9+9+18
9+9+24
9+12+12
9+12+18
9+12+24
9+18+18
9+18+24
9+24+24
12+12+12
12+12+18
12+12+24
12+18+18
12+18+24
12+24+24
18+18+18
18+18+24
9+9+9+9
9+9+9+12
9+9+9+18
9+9+9+24
9+9+12+12
9+9+12+18
9+9+12+24
9+9+18+18
9+9+18+24
9+12+12+12
9+12+12+18
9+12+12+24
9+12+18+18
9+18+18+18
12+12+12+12
12+12+12+18
12+12+12+24
12+12+18+18
9+9+9+9+9
9+9+9+9+12
9+9+9+9+18
9+9+9+9+24
9+9+9+12+12
9+9+9+12+18
9+9+9+18+18
9+9+12+12+12
9+9+12+12+18
9+12+12+12+12
9+12+12+12+18
12+12+12+12+12