Table of Contents
Advertisement
CONTENTS
PUHY-P-T(S)NU-A, PUHY-P-Y(S)NU-A
1. SPECIFICATIONS.................................................................................................................................... 2
1-1. AHRI 1230-2014 condition............................................................................................................... 2
1-2. AHRI 1230-2021 condition............................................................................................................... 34
2. EXTERNAL DIMENSIONS ....................................................................................................................... 64
3. CENTER OF GRAVITY ............................................................................................................................ 82
4. ELECTRICAL WIRING DIAGRAMS ......................................................................................................... 83
5. SOUND LEVELS ...................................................................................................................................... 89
5-1. Sound levels in cooling mode .......................................................................................................... 89
5-2. Sound levels in heating mode.......................................................................................................... 92
6. VIBRATION LEVEL .................................................................................................................................. 95
7. OPERATION TEMPERATURE RANGE................................................................................................... 96
8. CAPACITY TABLES ................................................................................................................................. 97
8-1. Selection of Cooling/Heating Units .................................................................................................. 98
8-2. Correction by temperature ............................................................................................................... 108
8-3. Correction by total indoor................................................................................................................. 140
8-4. Correction by refrigerant piping length............................................................................................. 148
8-5. Correction at frost and defrost ......................................................................................................... 152
8-6. Correction at evaporation-temperature (ET) control ........................................................................ 152
9. OPTIONAL PARTS................................................................................................................................... 153
9-1. JOINT .............................................................................................................................................. 153
9-2. HEADER.......................................................................................................................................... 154
9-3. OUTDOOR TWINNING KIT............................................................................................................. 155
9-4. PANEL HEATER ............................................................................................................................. 156
10.ELECTRICAL WORK ............................................................................................................................... 157
10-1.General cautions ............................................................................................................................. 157
10-2.Power supply for Outdoor unit ......................................................................................................... 158
10-3.Power cable specifications .............................................................................................................. 160
10-4.Power supply examples................................................................................................................... 161
11.M-NET CONTROL ................................................................................................................................... 164
11-1.Transmission cable length limitation................................................................................................ 164
11-2.Transmission cable specifications ................................................................................................... 165
11-3.System configuration restrictions..................................................................................................... 166
11-4.Address setting................................................................................................................................ 170
12.PIPING DESIGN ...................................................................................................................................... 179
12-1.R410A Piping material..................................................................................................................... 179
12-2.Piping Design .................................................................................................................................. 181
12-3.Refrigerant charging calculation ...................................................................................................... 185
13.OUTDOOR INSTALLATION .................................................................................................................... 188
13-1.General requirements for installation............................................................................................... 188
13-2.Spacing............................................................................................................................................ 189
13-3.Piping direction ................................................................................................................................ 191
13-4.Weather countermeasure ................................................................................................................ 197
13-5.Countermeasure to wind ................................................................................................................. 197
13-6.Precautions for installing a panel heater ......................................................................................... 198
13-7.Caution on selecting outdoor units .................................................................................................. 198
MEES23K040
I.Y-Series
Y-Series
1
Advertisement
Table of Contents
