Trane Trane, VAV-SVN01E-EN manual Wiring Diagrams, Fan-Poweredunits - Electronic Or Ddc/Ucm

Wiring

Diagrams

Figure 21 – Fan-Powered Units (Electronic or DDC/UCM)

FAN-POWERED UNITS - ELECTRONIC OR DDC/UCM -

HEATER TERMINALS - TYPICAL OF SINGLE PHASE VOLTAGES

Line Voltage

(See Nameplate) L1 L2 N - 208, 240, 480

L1 N - 277, 347

L1 L2 N

SINGLE
PHASE
LINE	STAGES
VOLTAGES
	1

2082

240

HEATER

CONTACTORS

Magnetic Contactors (MAGN)

Mercury Contactors (MERC)

							TB4
							G
	Manual Reset			Optional			L1 L2 N
Contactor
1st Stage	Cutout				Fuse
Contactor
2nd Stage
Optional
Air Flow	Auto Reset
Switch	Thermal Cutout
						L1	L2 N
							G
						Optional
	PUR	OR	BRN	BLK	WHT		Door
						Disconnect
							Switch

24V Input from	115 or 277V
Controller	Output to Motor

FAN-POWERED UNITS - ELECTRONIC OR DDC/UCM - HEATER TERMINALS - TYPICAL OF THREE PHASE VOLTAGES

Contactor 1st Stage

THREE
PHASE	STAGES
LINE
	1
VOLTAGES

2082

480

HEATER
CONTACTORS	Contactor
Magnetic Contactors (MAGN)
Mercury Contactors (MERC)	2nd Stage

Notes:

FACTORY INSTALLED

1.FIELD INSTALLED OPTIONAL

2.Actual heater wiring diagrams are supplied with each unit (2-stage shown).

3.Load carrying P.E. Switches or Contactors are supplied depending upon amp drawn.

4.Auto Reset Thermal Cutout and Manual Reset Cutout are provided as standard.

5.Heater Line Fuses, Airflow Switch, and Door Interlocking Disconnect are optional.

	Line Voltage	L1 L2 L3 N - 208,480,600
	(See Nameplate)	L1 L2 L3				N
							G
		TB4
			L1	L2	L3	N
Manual Reset	Optional
Cutout	Fuse

	Optional
Auto Reset	Air Flow
Thermal Cutout	Switch	L1 L2 L3 N

G

PUR	OR	BRN	BK	WH	Optional
					Door
					Disconnect
					Switch
24V Input from			115 or 277V
Controller			Output to Motor

VAV-SVN01E-EN 49