Technical data

18 Chapter 5 Microprocessor Control
DataMate 3000 Series Air Conditioner Technical Manual
Unit Status
Hst Time
Spr Time
Chg Time
SIG
24h
24h
30s
Figure 5-29 Standby sub-menu
1) Use Up/Down buttons to move the cursor to Unit State in the Standby sub-menu, and press Enter to set the system
to Hst Time (Duty unit), Spr Time (Standby unit) or Chg Time (Single unit). The default setting is HST.
2) Use Up/Down buttons to move the cursor to Host Time, and press Enter to set the operation cycle of the duty unit.
The setting range is from 12 hours to 48 hours and the default setting is 24 hours.
3) Use Up/Down buttons to move the cursor to Spare Time, and press Enter to set the operation cycle of the standby
unit. The setting range is from 12 hours to 48 hours and the default setting is 24 hours.
4) Use Up/Down buttons to move the cursor to Switch Time, and press Enter to set the system transfer time delay. The
setting range is from 10 seconds to 90 seconds and the default setting is 30 seconds.
When the Unit Sta is set to SPR or SGL. The Host Time, Spare Time and Switch Time can be set, but they are
invalidated.
5.9.3 Sensor Calibrate
The technical person can use this function and a precise instrument (0.1°C or 0.1%RH in precision) to calibrate the
temperature sensor and humidifier sensor. The settings will not be lost when power fails. Select Sensor Calibrate item
from the System Menu to calibrate the items listed in Figure 5-30.
Temp Sns r 0 . 0
℃
Hum Sns r 0 . 0%RH
Re s e t NO
Figure 5-30 Sensor Calibrate menu
1. Use Up/Down buttons to move the cursor to Temp Snsr, and press Enter to set the tolerance of the temperature
sensor. The setting range is from -5°C to +5°C and the default setting is 0°C.
2. Use Up/Down buttons to move the cursor to Hum Snsr, and press Enter to set the tolerance of the humidifier sensor.
The setting range is from -10%RH to +10%RH and the default setting is 0%RH.
3. Use Up/Down buttons to move the cursor to Reset and press Enter button. If it is set to YES, the tolerance settings
will be reset to the defaults.
5.9.4 Diagnose
This function is used to detect the output status of the system components. Select Diagnose item to set the items listed
in Figure 5-31.
M a i n F a n ON
C o mp r e s s o r ON
H e a t e r O F F
H u m i d i f i e r O F F
Figure 5-31 Diagnose menu
Press Up/Down buttons to move the cursor to the component to be diagnosed and press Enter. Press Left/Right
buttons to set it to ON. If the main fan is set to ON, the other components will be set to OFF automatically.
There is a time limit for output diagnosis. When the unit enters output diagnosis status, it will exit the status
automatically and returns to normal operation if the output diagnosis status has not changed for a certain period of
time (15 seconds for compressor and 5 minutes for other components).
5.9.5 Change Password
The new password will not be lost when power fails. Select Change Password menu from the System Menu to set the
level one and level two passwords, as shown in Figure 5-32.