Aiphone 83873900 0602 E NHX-80X CCU to Sub stations, Permitted wiring distance to Sub stations

WIRING DIAGRAMS

3. NHX-80X CCU to Sub stations

NHX-80X	Sub stations NH-1SA/A, NH-1SA,
	NH-2SA/A, NH-2SA or NHR-3TS
	1	2	3	9	10
6(3P)	Trunk 1
	Trunk 2
	Trunk 3
120V AC PS24	Trunk 8
PS24

Take G terminal to earth ground on 2 power supplies.

PS24 :PS-24E or PS-2420

★See page 16 for							To Subs block 1 Bedside Sub or Bathroom sub stations
								NH-1SA/A			NH-1SA/A		NH-1SA/A
actual terminal
								NH-1SA			NH-1SA		NH-1SA
block layout
				CCU				NH-2SA/A			NH-2SA/A		NH-2SA/A
								NH-2SA or			NH-2SA or		NH-2SA or
				NHX-80X			Each pair:	NHR-3TS			NHR-3TS		NHR-3TS
							polarized						CN1		CN1 Brown
			51			11			1			1		1
			52			12			2			2		2	Red
			53			13			3			3		3	Orange
To Subs block 5			54			14			4			4		4	Yellow
			55			15			5			5		5	Green
			56			16			6			6		6	Blue
													CN2
															CN2 Purple
				Z3	Z1				ZL			ZL		ZL
							To Subs block 2
															CN1
			61			21			1			1		1
To Subs block 6			62			22			2			2		2	as above
			63			23			3			3		3
			64			24			4			4		4
			65			25			5			5		5
			66			26			6			6		6
									ZL			ZL		ZL	CN2
			71			31									as above
To Subs block 7			72			32					ZL terminal may be connected
			73			33					to Z1 ~ Z4 terminal in NHX-80X,
							To Subs block 3
			74			34					depending on zone of patient station.
			75			35
			76			36			Trunk line from NHX-80X to sub stations should be
			81			41			Aiphone specified cable or UL Listed cable
To Subs block 8			82			42			(3 twisted pair).
			83			43	To Subs block 4
			84			44
			85			45			• If 4-zone lamp is included, use 4 twisted pairs.
			86			46			• In a zone with more than 10 stations, additional
				Z4	Z2					subs must be wired in a separate trunk line, but
PS24		+	A+							the ZL line may be extended from any sub on the
		–	A–							previous trunk line.
		G
									• Permitted wiring distance to Sub stations;
										165' with 22AWG, 50m with 0.65mm (from CCU to
PS24		+	B+							farthest sub).
		–	B–
										Max. 330', 100m total distance per trunkage line
		G
										(includes length of trunk line, plus wire length
										T-tapped from junction point to each patient station
Do not connect two power supplies in parallel.
										in the trunk line).
PS24	Power supply: PS-24E or PS-2420, DC24V, 2A

– 20 –