Daikin VRV System User Manual

2
• Systems • Installation
19
• Installation
2 Field Wiring
2-2 Inverter cooling only / heat pump series
2-2-6 Setting gist of cool/heat operation (heat pump unit only)
•When performing cool/heat setting with remote controller connecting indoor unit.
Keep the cool/heat selector switch (SS1) on the outdoor unit PC board (A1P) at the factory setting position (set the IN/D unit).
•When performing cool/heat setting with cool /heat selector.
Connect the Cool/Heat selector remote controller (optional) to the A/B/C terminals. Set the Cool/Heat selector switch (SS1) on the outdoor unit PC
board (A1P) to the OUT/D unit.
NOTES
1For low-noise operation, it is necessary to get the optional “External control adapter for outdoor unit”.
For details, see the Installation manual attached to the adaptor.
To IN/D
UNIT
F1 F2
IN/D
UNIT
OUT/D
UNIT
SS1
C/H
SELECT
Remote controller
A B C
A B C
Cool/heat
selector
IN/D
UNIT
OUT/D
UNIT
SS1
C/H
SELECT

Daikin VRV System Specifications

General

Type	VRV (Variable Refrigerant Volume)
Energy Efficiency	High energy efficiency due to inverter technology and variable refrigerant flow
Compressor Type	Inverter-driven scroll compressor
Refrigerant	R-410A or R-32 (depending on model and region)
Control	Centralized control systems, individual zone control, smart controls, and building management system (BMS) integration
Installation	Professional installation required
Application	Commercial buildings, office spaces, hotels, hospitals, and large residential buildings
COP	Up to 4.5 (depending on the specific model)
Indoor Unit Types	Ceiling cassette, ceiling concealed, wall-mounted, floor-standing, ducted
Outdoor Unit Configuration	Modular design, allowing for flexible system configurations
Indoor Units Compatibility	Multiple indoor units can be connected to a single outdoor unit
Outdoor Unit Noise Level	50-65 dB(A) (depending on the specific model and operating conditions)
Indoor Unit Noise Level	25-45 dB(A) (depending on the specific model and operating conditions)
Connectivity	BACnet, Modbus, KNX integration
HSPF	Up to 12 (varies by model)