BP Unit Control
Si18-525B
128
Function
6.
BP Unit
Control
6.1
BP Unit Command Conversion
1.
∆
D (room temperature
−
temperature setting) signals from BP units are converted to
capacity up / down signal.
∆
D signals from BP units are used as the capacity up / down signal in frequency commands
(excludes when Powerful function is in operation).
2. Processing during Powerful operation mode
(1) When Powerful command is received from indoor units (one or more units)
(2) Thermostats are not OFF in room units from which Powerful commands are issued
When the above conditions are met, the Powerful operation mode is activated, and the
Powerful operation signal is sent to outdoor unit.
∆
D Signal
Capacity up / down signal
0
Thermostat OFF
1
Down
2
3
Keep
4
5
Up
6
7
8
9
A
B
C
D
E
F
Summary of Contents for D-Series
Page 1: ...Si18 525B Applied Models Super Multi Plus Cooling only Super Multi Plus Heat Pump D Series ...
Page 33: ...List of Functions Si18 525B 20 List of Functions ...
Page 71: ...Specifications Si18 525B 58 Specifications ...
Page 117: ...Refrigerant Flow for Each Operation Mode Si18 525B 104 Refrigerant Circuit ...
Page 171: ...Indoor Unit SkyAir Models Si18 525B 158 Function ...
Page 207: ...Test Operation and Field Setting for RA Indoor Unit Si18 525B 194 Test Operation ...
Page 336: ...Si18 525B Service Check Function Troubleshooting 323 ...
Page 469: ...Wiring Diagrams Si18 525B 456 Appendix ...
Page 475: ...Si18 525B vi Index ...
