Si-93
Circuit Operations
Circuit Operations
27
1. Circuit Operations
1.1
Circuit Configuration
Transformer
PCB assembly
Fan motor
Damper motor
Centralized control
equipment
Remote controller
for heat reclaim
ventilation unit
Power supply
circuit
To circuits and
microcomputer
Detection and
cut-off of+16V
current
Fan motor,
damper
motor relay
Central data
transmission interface
circuit
Remote control signal
transmission interface
circuit
Relay drive
circuit
Microcomputer
oscillation
circuit
Microcomputer
reset circuit
Control
microcomputer
Thermistor
interface
circuit
Thermistor
Airflow rate
setting switch
interface circuit
Damper motor
limit switch
interface circuit
Damper
motor
limit switch
External input
interface circuit
Air
conditioner
of other
maker, etc.
KRP50-2
interface circuit
Humidifier,
abnormality
signal
output, etc.
+16V
+ 5V
FM
DM
EEPROM
(HL026)
Содержание VAM 1000EJ
Страница 5: ...Si 93 iv Table of Contents ...
Страница 7: ...Introduction Si 93 vi 1 1 1 Cautions in Repair Warning ...
Страница 8: ...Si 93 Introduction vii ...
Страница 10: ...Si 93 General Constructions 1 Part 1 General Constructions 1 General Constructions 3 1 1 Explanation 3 ...
Страница 11: ...Si 93 2 General Constructions ...
Страница 15: ...Si 93 6 Operation ...
Страница 21: ...Si 93 12 Maintenance ...
Страница 27: ...Si 93 18 Control Functions ...
Страница 35: ...Si 93 26 Circuit Operations ...
Страница 39: ...Si 93 30 Troubleshooting ...
Страница 59: ...Troubleshooting Si 93 50 Troubleshooting ...
Страница 61: ...Si 93 52 Supplementary Explanation ...
Страница 72: ...Si 93 Appendix 63 Part 8 Appendix 1 Appendix 65 1 1 Wiring Diagram 65 ...
Страница 73: ...Si 93 64 Appendix ...
Страница 74: ...Si 93 Appendix Appendix 65 1 Appendix 1 1 Wiring Diagram VAM500EJVE VAM800EJVE VAM1000EJVE ...
Страница 75: ...Appendix Si 93 66 Appendix VAM2000EJVE ...
Страница 79: ...Si 93 iv Index ...
Страница 81: ...Si 93 vi Drawings Flow Charts When no indication is displayed on remote controller 45 Wiring Diagram 65 ...