AIRSYS 13E1C3 - Page 31

Chapter 2: Installation
Complete Electrical Connections
Page 27
Table 10: Alarm Connections
Alarm Name
Alarm
Type
Severity
Default
Adjustability
Connectio
ns To
ASLLC.2
Related
Alarm
codes:
Comments
(Input/
Output)
(NC or
NO)
(S=software via
PLD)
(HW= Hard
Wired)
Form C
Contact
Alarm
INPUTS
Fire/Smoke
alarm
Input
Critical
NC
S --> parameter
SFt
41 and 5
A05 Only
Remove factory jumper
prior to connecting alarm
input
Generator Run
Input
None
NO
S --> parameter
DGT
42 and 5
A28 Only
Connected to Gen-Run
signal
Prime Power
Outage
Input
Major
NO
NA
60 and 5
A09 Only
Only when using DC Fail-
Over Box: ASPCB.2
Form C
Contact
Alarm
OUTPUTS
High/low
temperature
alarm
Output
Critical
NC
S --> parameter
HTT
43 and 44
A07
Can connect in series for
NC or in parallel (NO) with
analog High/low Temp
thermostats in many sites.
HVAC1 alarms
Output
Major
NO
HW
45 and 46
A02, A03,
A10, A29,
A31
Indicates Mechanical
Cooling disabled until
problem addressed on site
NC
46 and 47
HVAC2 alarms
Output
Major
NO
HW
48 and 49
A04, A06,
A11, A30,
A32
Indicates Mechanical
Cooling disabled until
problem addressed on site
NC
50 and 49
Two
compressor run
Output
Minor
NC
S  parameter
2CT
51 and 52
A23
Indicates compressors
running in both Lead & Lag
WPUs simultaneously
Control Harness Terminal Identification
Table 11: The control harness terminal identification of ASLLC.2
AC power
part
Terminal 1
MC, compressor
The voltage between terminal 1 & terminal 4 is 240Vac
Terminal 2
MF2, supply fan
The voltage between terminal 2 & terminal 4 is 240Vac
Terminal 3
EH1-3, electrical heater
The voltage between terminal 3 & terminal 4 is 240Vac
Terminal 4
L, L of line voltage
Line voltage
Alarm part
Terminal 5
Common terminal
Common terminals for alarms
Terminal 6
LP, low pressure switch
Between terminal 6 & terminal 5 is NC
Terminal 7
HP, high pressure switch
Between terminal 7 & terminal 5 is NC
Terminal 8
PF, air pressure differential switch
Between terminal 8 & terminal 5 is NC
Terminal 9
MF2, output the operating status of supply
fan to controller
Internal overload protection, it is NC.
DC power
part
Terminal 10
YE, input signal to air damper actuator
The signal voltage for damper actuator, 0~10Vdc
Terminal 11
MF2, input signal to supply fan
The signal voltage for supply fan, 0~10Vdc
Terminal 12
DC Ground Reference
For DC power supply and signal voltage
Terminal 13
24 Vdc
Power supply for Damper actuator, the voltage between terminal
12 & terminal 13 is 24Vdc.