Daikin E Series, Service Manual

Page: 109 / 453

BP Unit Control SiAU18-715
96 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