Carrier 50EK, 50EJ, 50EW, 50EY I/O Channel Designations Expansion Module Ð CV and VAV, Iaq

Table 23 Ð I/O Channel Designations Expansion

Module Ð CV and VAV

TERMINAL			ASSIGNMENT
	NO.
T1-2			Ð
T3-4			Ð
T5-6			Ð
T7-8			Ð
T9-10			Ð
T11-12			IAQ Indoor Ð AI (2-10 vdc)
T13-14			IAQ Outdoor Ð AI (2-10 vdc)
T15-16			Ð
T17-25			Fan Status Ð DI (24 vac)
T18-25			Filter Status Ð DI (24 vac)
T19-25			Field Applied Status Ð DI (24 vac)
T20-25			Demand Limit Ð DI (24 vac)
T21-25			Fire Ð Unit Shutdown Ð DI (24 vac)
T22-25			Fire Ð Pressurization Ð DI (24 vac)
T23-25			Fire Ð Evacuation Ð DI (24 vac)
T24-25			Fire Ð Smoke Purge Ð DI (24 vac)
T26-27			Ð
T28-29			Ð
T30-29			Alarm Light Indicator Ð DO (24 vac)
T31-32			Power Exhaust Fire #1 Ð DO (115 vac)
T33-32			Power Exhaust Fire #2 Ð DO (115 vac)
T34-35			Power Exhaust Fire #3 Ð DO (115 vac)
T36-35			Power Exhaust Fire #4 Ð DO (115 vac)
T37-38			Ð
T39-38			Ð
K1			Ð
K2			Ð
K3			Ð
	LEGEND
AI	Ð	Analog Input
DI	Ð	Direct Input
DO	Ð Direct Output
IAQ	Ð Indoor Air Quality
T	Ð Terminal

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