Daikin VRV Inverter K Series Manual page 254

SI-05C.BOOK Page 240 Monday, November 6, 2000 4:13 PM
Outline of Control
4.15 Low Noise and Demand Control
4.15.1 Low Noise Control
When the outdoor unit operating sound can cause a noise problem during the night, an external contact
input (low-noise input) can be used to operate the outdoor fan and compressor at low speed. This reduces
the operating noise by approximately 2 to 3 dB.
Action During Low
Noise Operation
(Except Oil Return,
Defrost)
1 Discharge pressure ≤ 24k
2 Discharge pressure > 24k
External control adaptor for outdoor unit is required to the low noise control (OPTION)
4.15.2 Demand Control
By connecting the external contact input to the Demand control input of the outdoor unit external control
adaptor(option), you can save power with limit of compressor frequency.
Upper Limit of
Compressor
Frequency in
Demand Control
240
Conditions Outdoor Fan
1 H + OFF
2 L + ON
3 outdoor units
RX(Y) 24 ~ 30K
REY 24 ~ 30K
(24 ~ 30Hp)
Demand input 1 INV (106 + ON)
STD1 (ON + OFF)
STD2 (ON + OFF)
Demand input 2 INV (60 + ON)
STD1 (ON + OFF)
STD2 (OFF + OFF)
Demand input 3
Limit of compressor freguency
INV outdoor unit
96Hz + OFF
2 outdoor units
RX(Y) 16 ~ 20K
REY 16 ~ 20K
(16 ~ 20Hp)
INV (106 + ON)
STD (ON + OFF)
INV (106 + OFF)
STD (OFF + OFF)
Forced thermostat OFF
: http://splitoff.ru/tehn-doc.html
SiE-05C
(k:kg/cm²)
STD outdoor unit
ON + OFF
(k:kg/cm²)
Capacity saving
Power comsumption will be
reduced to around 70% of
normal usage.
Power comsumption will be
reduced to around 40% of
normal usage.
Not run
Functions PLUS Series