AIRSYS 13E1C3 - Page 70

Chapter 3: System Operation
System Diagnostics
Page 66
Display
R/W
Description
Unit
Range
Default
F04
R/W
Allow free cooling and compressor to work simultaneously
no/YES
YES
F48
R/W
Enable audible buzzer (Rev 13B64 and after)
no/Yes
no
F47
R/W
Allow free cooling ONLY in emergency ventilation mode
no/YES
no
F44
R/W
Not used
no/YES
YES
F06
R/W
Enable Major alarms output
no/YES
YES
F07
R/W
Type of Major alarm output
n.O/n.C
n.O
F3p
R/W
Unit of temperature, C means Celsius. F means
Fahrenheit.
-F-/-C-
- F -
F16
R/W
Minimum speed setting of supply fan
V
0.0~10.0
0.1
F17
R/W
Maximum speed setting of supply fan
V
0.0~10.0
10.0
F46
R/W
Fan speed change during the DC-failover on
V
0.0~10.0
8.0
F18
R/W
Free cooling speed
V
0.0~10.0
10.0
F19
R/W
Startup delay time of supply fan
S
0~999
5
F1A
R/W
Stop delay time of supply fan
S
0~999
60
F3C
R/W
Startup delay time of supply fan overload
S
0~999
0
F3L
R/W
Recovery delay time of supply fan overload
S
0~999
120
F1P
R/W
Startup delay time of low pressure alarm
S
0~999
60
F1C
R/W
Recovery delay time of low pressure alarm
S
0~999
10
F1L
R/W
Low pressure alarms allowed before system (per hour)
3
F1E
R/W
High pressure alarms allowed before system (per hour)
3
F20
R/W
Minimum stop time of compressor
S
0~999
180
F21
R/W
Minimum run time of compressor
S
0~999
60
F22
R/W
Supply fan air flow defective if the supply fan is DC fan
S
30
F23
R/W
Delay time of filter alarm output
S
0~999
10
F24
R/W
Shut off free cooling due to dirty filter alarm
no/YES
no
F27
R/W
Minimum voltage input of free cooling
V
0.0~10.0
2
F31
R/W
Number of backup units for unit rotation
1
F32
R/W
Unit rotation time
hr
0~999
168
F33
R/W
Force startup of the backup unit
no/YES
YES
F34
R/W
Delay time of low temperature
M
0/1
1
F35
R/W
Delay time of high temperature
M
0/1
1
F36
R/W
Lag heater turn on difference
˚F
0.0~99.9
27.0
F37
R/W
Lag heater turn off difference
˚F
0.0~99.9
3.0
F38
R/W
Lag compressor turn on difference
˚F
0.0~99.9
7.4
F39
R/W
Lag compressor turn off difference
˚F
0.0~99.9
7.2
F3A
R/W
Erase alarm history
no/YES
no