System Limitations; Installation Standards - SA SPW-C0705DZH8 Instrucciones De Instalación

1-9. System Limitations

Table 1-11 System Limitations
Max. No. allowable connected outdoor units
Max. capacity allowable connected outdoor units
Max. connectable indoor units
Max. allowable indoor/outdoor capacity ratio
*1: In the case of 22 hp (type 61.5 kW) or smaller units, the number is limited by the total capacity of the connected indoor units.

1-10. Installation Standards

Relationship between A/C units and refrigerant tubing
4-tube layout
Outdoor unit
Suction tube
Discharge tube
Balance tube
● Install the solenoid valve kit 30 m or less from the indoor unit.
● In quiet locations such as hospitals, libraries, and hotel rooms, the refrigerant noise may be somewhat noticeable. It is
recommended that the solenoid valve kit be installed inside the corridor ceiling, at a location outside the room.
Room
Desirable Indoor unit
Hallway
Common solenoid valve kit
● Multiple indoor units under group control can utilize a solenoid valve kit in common.
● Categories of connected indoor unit capacities are determined by the solenoid valve kit.
Type of solenoid valve kit
160
56
● If the capacity range is exceeded, use 2 solenoid valves connected in parallel.
Outdoor unit
Liquid tube
Room
Indoor unit
Total capacity of indoor units (kW)
5.6 < Total capacity ≤ 16.0
2.2 ≤ Total capacity ≤ 5.6
3
135 kW (48 hp)
40 * 1
50 – 130%
3-tube layout
Suction tube
Discharge tube
Liquid tube
Room
Undesirable Indoor unit
Hallway
Solenoid
valve kit
11
2-tube layout
Solenoid
valve kit
Gas tube
Liquid tube
Room
Indoor unit
Indoor unit
Solenoid
valve kit