3.2.3 Option accessory
To install the outdoor units, the following optional parts are also required. To select an optimum
kit, refer to "6. Refrigerant Piping".
! Refrigerant branching kit
! Outdoor unit multi connection piping kit
Number of outdoor units connected
! Pipe size reducer
Make sure that any separately purchased accessories are designed for use with R-410A.
3.2.4 Technical and Electrical specifications
Refer to the Engineering Data Book for the complete list of specifications.
3.2.5 Main components
For main components and function of the main components, refer to the Engineering Data
3.2.6 Installation Process
Figure 2 shows the installation process. Install in the order of the steps shown.
"2-3 Selection of Location"
"2-4 Inspecting and
Handling the Unit"
"2-5 Placing the Unit"
"2-6 Refrigerant Piping"
"2-7 Field Wiring"
"2-8 Air Tight Test and
"2-9 Pipe Insulation"
"2-10 Checking of Device and
"2-11 Additional Refrigerant
Charge and Check Operation"
"2-13 Test Run"
Heat Pump / Cooling Only 50Hz (RX(Y)Q5~54P)
Operations which require the
power to be turned on.