Bp Unit Control; Bp Unit Command Conversion - Daikin Super Multi Plus E-Series FTXG25EV1BW Service Manual

SiBE18-821_C

6. BP Unit Control

6.1

BP Unit Command Conversion

1. ∆ D (room temperature − temperature setting) signals from BP units are converted to
∆
D signals from BP units are used as the capacity up / down signal in frequency commands
(excludes during POWERFUL operation).
2. Processing during POWERFUL operation
(1) When POWERFUL command is received from indoor units (one or more units)
(2) Thermostats are not OFF at the indoor units from which POWERFUL commands are issued
Function
capacity up / down signal.
∆D Signal
Capacity up / down signal
0 Thermostat OFF
1
Down
2
3
Keep
4
5
6
7
8
9
A Up
B
C
D
E
F
When the above conditions are met, the POWERFUL operation is activated, and the
POWERFUL operation signal is sent to outdoor unit.

BP Unit Control

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