Trane Trane, VAV-SVN01E-EN manual Wiring Diagrams, Fan-PoweredControl Boxes

Wiring

Diagrams

Figure 23 – Fan-Powered Control Boxes

Fan-powered Control Box

with Electronic or DDC Controls

LINE VOLTAGE

OR FROM HEATER TERMINAL

							GREEN	}
									N
							GROUND	L1		5.
							SCREW
			TRANSFORMER
	}	Y	24V			DISCONNECT		BK	W
TO VAV		BL		BK			SWITCH
CONTROLLER		BR								2.
		R
								BK		W
				BK						BK
				MOTOR	2		4
										BK
				RELAY
				BR						FUSE
					1	24V	3			4.
				R
										W
										W
				TERMINAL					MOTOR
										SPEED
				BLOCK
									CONTROL
			-COM	BK
			W

Fan-powered Control Box
with Pneumatic Controls	LINE VOLTAGE
Duct Pressure Switch Option

OR FROM HEATER TERMINAL

					GREEN	}
								N
					GROUND		L1		5.
					SCREW
6.	TRANSFORMER
NO	24V			DISCONNECT			BK	W
		BK			SWITCH
C								2.
NC							BK	W
DUCT PRESSURE		BK						BK
SWITCH		MOTOR	2		4
								BK
		RELAY
		BR						FUSE
			1		3				4.
				24V
				R
								W
								W
		TERMINAL						MOTOR
								SPEED
		BLOCK
								CONTROL
	-COM	BK
	W

	FAN CONTROL BOX		FAN CONTROL BOX
	W BK		W BK
BR	BR	BR	BR
CAPACITOR	MOTOR	CAPACITOR	MOTOR
3.	FAN	3.	FAN

WARNING	Fan-powered Control Box	LINE VOLTAGE
	with Pneumatic Controls	OR FROM HEATER TERMINAL

HAZARDOUS VOLTAGE!								}
DISCONNECT, LOCK OUT AND TAG							GREEN
ALL ELECTRIC POWER INCLUDING		DUCT PRESSURE MAIN CONTROL					GROUND		L1	N	5.
REMOTE DISCONNECTS BEFORE
SERVICING.		6.					SCREW
DISCHARGE MOTOR START/RUN
CAPACITORS BEFORE SERVICING.
FAILURE TO DISCONNECT POWER							DISCONNECT		BK	W
			NO		NO		SWITCH
BEFORE SERVICING CAN CAUSE		BK
SEVERE PERSONAL INJURY OR DEATH.			C		C						2.
	CAUTION			BK
			NC		NC				BK		W
USE COPPER CONDUCTORS ONLY!		P.E. SWITCH-1		P.E. SWITCH-2
UNIT TERMINALS ARE NOT DESIGNED											BK
				BK
TO ACCEPT OTHER TYPES OF											BK
CONDUCTORS.						NO
FAILURE TO DO SO MAY CAUSE						6.	BK				FUSE
DAMAGE TO THE EQUIPMENT.							C				4.
						NC
						P.E. SWITCH
											W
NOTES:											W
1.	FACTORY INSTALLED
	BY OTHERS					TERMINAL				MOTOR
	OPTIONAL OR ALTERNATE CIRCUITRY
											SPEED
						BLOCK				CONTROL
2.	DISCONNECT SWITCH, FUSE, & SCR ARE LOCATED
					COM-	BK
	EXTERNAL TO CONTROL BOX.
3.	CAPACITOR IS INSTALLED ON FAN HOUSING.				W
4.	FUSE IS OPTIONAL.				W	BK			FAN CONTROL BOX

5. DETERMINED BY MOTOR VOLTAGE ON ORDER.	BR	BR
		MOTOR
VOLTAGE FOUND ON UNIT NAMEPLATE.	CAPACITOR
		FAN

3.

6.FOR SERIES FAN POWERED TERMINAL UNITS ONLY.

VAV-SVN01E-EN 51