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Revision C
Page 15 of 24
AlarmPin‐out:
Pin No. Alarm Configuration
1 Low Pressure Normally Closed (NC)
2 Low Pressure Common (COM)
3 Low Pressure Normally Open (NO)
4 High Pressure Normally Closed (NC)
5 High Pressure Common (COM)
6 High Pressure Normally Open (NO)
7 Humidity Normally Closed (NC)
8 Humidity Common (COM)
9 Humidity Normally Open (NO)
10 Run Time Normally Closed (NC)
11 Run Time Common (COM)
12 Run Time Normally Open (NO)
Picture 5.5 – APD-D Series Site Grounding Studs
Site Grounding Studs:
6 MAINTENANCE
6.1 Taking the Unit Out of Service and
RemovingtheLid:
Picture 6.1 – Lid Removal and Filter Location