SiEBE18-526
Basic Control
Function
57
∆
D Control
Receiving the capacity request signal from the indoor unit, the outdoor unit corrects its target
pressure for capacity control.
Controls
∆
D signal from indoor unit as follows.
UP control :
When the UP command come from more than one indoor unit among
thermostat-ON indoor units.
Down control: When the down command come from all indoor units among thermostat-ON
indoor units.
Keep control:
Except for the above
About detail of
∆
D signal, refer to P75
Cooling Operation
TeS = TeS initial value + KTe2
KTe2 : Correction value by
∆
D signal in cooling.
∆
D control
Keep the current KTe2
KTe2 = KTe2 – 0.5
KTe2 = KTe2 + 0.5
(Q0396)
During compressor frequency PI
control (KTe2 = 0)
Not during compressor frequency PI
control
KTe2 = 0
(without correction)
Up control by
∆
D signal
continues 120 sec.
Down control by
∆
D signal
continues 120 sec.
Summary of Contents for Super Multi Plus D-Series
Page 1: ...SiEBE18 526 D Series Service Manual Applied Models zSuper Multi Plus Heat Pump...
Page 12: ...SiEBE18 526 List of Functions 1 Part 1 List of Functions 1 List of Functions 2...
Page 63: ...Refrigerant Flow for Each Operation Mode SiEBE18 526 52 Refrigerant Circuit...
Page 249: ...Instruction SiEBE18 526 238 System Configuration...
