Control Functions
Si71-502
22
Control Functions
1. Control Functions
1.1
List of Control Functions
Note:
Note 1
Requires optional humidifier and optional printed circuit board (
KRP50-2
: Wiring adapter for remote
contact).
Classification
Function name
Outline of function
1. Basic functions
(functions related to
basic performance)
1.1
Ventilation
operation control
function
Controls supply air fan motor, exhaust air fan motor and damper
motor.
1.2
Abnormality
control function
Detects abnormalities in thermistor, damper motor and data
transmission to prevent errors.
2. Additional functions 2.1
Ventilation mode
changeover function
Operates equipment in selected ventilation mode (total heat
exchange, normal, automatic).
2.2
Automatic
ventilation operation
function
Selects the most suitable ventilation mode by controlling damper
motor according to temperature controller mode, temperature
setting and thermistor data.
2.3
Ventilation
capacity changeover
function
Operates equipment at set airflow rate.
2.4
Humidifier
operation control
function
Controls humidifier output based on temperature controller
judgment.
Note 1
2.5
Pre-cool/pre-heat
function
Prevents equipment operation for a preset time (set time) after
air conditioner is turned on.
2.6
Fresh-up function
Sets motor tap so that supply air fan airflow rate is larger than
exhaust air fan airflow rate.
2.7
Filter sign function
Stores cumulative operation hour data and turns on air filter
cleaning indicator.
3. System control
functions
3.1
Remote controller
function
Operates equipment according to instructions from remote
controller.
3.2
Group function
Operates two or more units based on instructions from single
remote controller.
3.3
Air conditioner link
function
Follows air conditioner ON/OFF instructions.
3.4
Power ON
operation function
Operates equipment when power is turned on.
3.5
External link
operation function
Turns equipment on and off according to external link terminal
signal (no-voltage contact a).
3.6
Centralized
control function
Allows remote control operation by centralized control
equipment.
3.7
Timer function
Turns equipment on and off at set time.
4. Other support
functions
4.1
Troubleshooting
function
Displays error codes to indicate locations of error.
4.2
Field setting
function
Allows initial setting from LCD remote controller.
Summary of Contents for VAM 350GJVE
Page 7: ...Introduction Si71 502 vi 1 1 1 Cautions in Operation and Maintenance...
Page 8: ...Si71 502 Introduction vii...
Page 13: ...General Constructions Si71 502 4 General Constructions...
Page 29: ...Maintenance Si71 502 20 Maintenance...
Page 43: ...Circuit Operations Si71 502 34 Circuit Operations...
Page 103: ...After sales Service Si71 502 94 Operation Manual...
Page 106: ...Si71 502 Appendix Appendix 97 VAM1500GJVE VAM2000GJVE...
Page 107: ...Appendix Si71 502 98 Appendix...
