Table Of Contents - Mitsubishi Electric City Multi PWFY-P36NMU-E-BU Data Book

CONTENTS
PWFY-P-NMU-E-BU, PWFY-P-NMU-E2-AU
1. GENERAL EQUIPMENT DESCRIPTIONS .............................................................................................. 2
1-1. Unit configuration table .................................................................................................................... 2
1-2. Operable temperature range ........................................................................................................... 2
1-3. Connectable outdoor unit capacity range ........................................................................................ 2
2. SPECIFICATIONS .................................................................................................................................... 3
3. EXTERNAL DIMENSIONS ....................................................................................................................... 6
4. CENTER OF GRAVITY ............................................................................................................................ 8
5. ELECTRICAL WIRING DIAGRAMS ......................................................................................................... 9
6. SOUND LEVELS ...................................................................................................................................... 11
7. VIBRATION LEVELS ................................................................................................................................ 12
8. OPERATION TEMPERATURE RANGE................................................................................................... 13
9. CAPACITY TABLES ................................................................................................................................. 17
9-1. Correction by temperature ............................................................................................................... 17
9-2. Correction by total indoor................................................................................................................. 33
9-3. Correction by water volume ............................................................................................................. 34
9-4. Water pressure drop ........................................................................................................................ 37
9-5. Water pressure drop of Strainer only ............................................................................................... 38
10.ACCESSORIES ....................................................................................................................................... 39
11.OPTIONAL PARTS .................................................................................................................................. 40
11-1.Remote controller ............................................................................................................................ 40
12.ELECTRICAL WORK ............................................................................................................................... 41
12-1.General cautions ............................................................................................................................. 41
12-2.Power supply for PWFY unit............................................................................................................ 41
12-3.Power cable specifications .............................................................................................................. 42
12-4.Connecting remote controller, indoor and outdoor transmission cables.......................................... 43
12-5.Connecting electrical connections ................................................................................................... 44
13.CONTROL ................................................................................................................................................ 45
13-1.Transmission cable specifications ................................................................................................... 45
13-2.Indoor unit address setting .............................................................................................................. 46
13-3.External input/output function .......................................................................................................... 46
14.PIPING DESIGN ...................................................................................................................................... 48
14-1.Refrigerant charging calculation (PWFY-AU with R2 system or H2i R2 system) ............................ 48
15.INSTALLATION........................................................................................................................................ 50
15-1.How to calculate the necessary heating capacity............................................................................ 50
15-2.Selecting an installation site ............................................................................................................ 52
15-3.Securing installation and service space .......................................................................................... 52
15-4.Installing the unit.............................................................................................................................. 53
15-5.Refrigerant pipe and drain pipe specifications................................................................................. 54
15-6.Connecting refrigerant pipes and drain pipes.................................................................................. 55
15-7.Water pipe installation ..................................................................................................................... 57
MEES20K028
I.AIR TO WATER
AIR TO WATER
1