Table Of Contents - Mitsubishi Electric PEH-P8MYA Technical & Service Manual

Contents
1 PRECAUTIONS FOR DEVICES THAT USE R407C REFRIGERANT .................................... 1
[1] Storage of Piping Material .................................................................................................. 2
[2] Piping Machining ................................................................................................................ 3
[3] Necessary Apparatus and Materials and Notes on Their Handling .................................... 4
[4] Brazing ................................................................................................................................ 5
[5] Airtightness Test .................................................................................................................. 6
[6] Vacuuming .......................................................................................................................... 6
[7] Charging of Refrigerant ...................................................................................................... 7
2 PART NAMES AND FUNCTIONS ............................................................................................ 8
3 SPECIFICATIONS .................................................................................................................. 10
4 PART NAMES AND FUNCTIONS .......................................................................................... 14
5 ELECTRICAL WIRING DIAGRAM ......................................................................................... 19
6 TECHNICAL DATA TO MEET LVD ........................................................................................ 21
[1] Capacity/Input Ratio against Changes in Room Airflow Rate ........................................... 21
[2] Bypass Factor Curves ...................................................................................................... 23
[3] Cooling Sensible Heating Capacity Table ......................................................................... 24
[4] Airflow Characteristic Curves ............................................................................................ 25
[5] Center of Gravity (Indoor unit) .......................................................................................... 25
[6] NC Curve (Indoor unit) ...................................................................................................... 27
7 SERVICE DATA ...................................................................................................................... 29
[1] Appearance of Equipment ................................................................................................ 29
[2] Internal Construction ......................................................................................................... 30
[3] Refrigerant Circuit ............................................................................................................. 30
8 FUNCTION OF SWITCH ON INDOOR CIRCUIT BOARD ..................................................... 31
[1] DIP SW1 for model Selection (DIP SW1 has been set at factory) .................................... 31
[2] DIP SW2 for Capacity Setting (DIP SW2 has been set at factory) ................................... 31
[3] DIP SWE for Emergency Operation .................................................................................. 31
9 TEST RUN .............................................................................................................................. 32
[1] Before test run .................................................................................................................. 32
[2] Test run procedures .......................................................................................................... 32
[3] Self-diagnosis ................................................................................................................... 34
[4] Remote controller diagnosis ............................................................................................. 36
Page