Electra DNG 100 - Product Control System Overview

12-2
CONTROL SYSTEM
SM OU12HP 2-E.2 GB
12.2 Product Overview
12.2.1 Block Diagram
12.2.2 Compressor
DC brush less and sensor less motor inverter driven compressor.
12.2.3 Compressor Drive
DC inverter module to drive compressor.
12.2.4 Outdoor Fan
DC brush less motor.
ODU Controller
Line Filter
230VAC
Compressor
Driver
M
Inrush
Control
Driver
Control
OFAN
Control
OFAN
Control
M
M
Temp.
Inputs
230V
Outputs
EEV
Output
Dry
contact
IDU
Communication
IDU Controller
Inputs R/C
IFAN
Control
M
RAT
ICT
Overflow
RC
RCW
PBMS
OAT
CTT
OMT
OCT
RV
BH
CCH
SB
Night
Power Shading
Alarm
HPS
LPS (6HP Only)
EEV
Display
Speed
HST
AC Current
DC Current
Power Lines
Low Voltage
Inrush Control
(4-5HP Only)
Dry
contacts
PD
CONTENTS