Hitachi RAS-3.0PNNBDH1 - Table of Contents

Contents
Safety Precautions..........................................................................................................................................1
Diagram of Refrigerant Cycle & Wiring .............. ..............................................................................................3
Refrigerant Flow Diagram ..............................................................................................................................3
Electrical Wiring Diagram...............................................................................................................................3
Installation Instructions..................................................................................................................................4
Transportation and Handling before Installation ............................................................................................4
Installation Locations Selection......................................................................................................................4
Drainage Elbow and Drain Hose Installation..................................................................................................5
Outdoor Unit Installation.................................................................................................................................5
Refrigerant Piping .........................................................................................................................................6
Wiring .............................................................................................................................................................9
Trial Run ......................................................................................................................................................11
NOTE:
● This air conditioner is designed for the following temperatures.
It should be operated within this range:
DC Inverter Unitary Series
Mode
Outdoor Operation Temperature Range
[℉ (℃)]
Model
Maximum
Minimum
Cooling Operation
1.0~4.0HP
(9K~36K)
118 (48)
5 (-15)
Heating Operation
3.0HP(24K)
75 (24)
-13 (-25)
1.0/1.5/2.0/4.0HP
(9K/12K/18K/36K)
75 (24)
-4 (-20)
● Storage Condition: Temperature -13~140℉ (-25~60℃)
Humidity 30%~80%
● The numbers in the model represent the cooling capacity (HP).
For example, 3.0HP represents .RAS-3.0PNNBDH1
● Letter K in the manual stands for kBtu/h, for example 9K,12K,18K,24K,36K, which means model size,
not real capacity.