Veris V421 Installation Instructions

REL AY S

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Follow safe electrical work practices.

See NFPA 70E in the USA, or applicable local codes.

• This equipment must only be installed and serviced by qualied electrical personnel.

• Read, understand and follow the instructions before installing this product.

• Turn o all power supplying equipment before working on or inside the equipment.

• Use a properly rated voltage sensing device to conrm power is o. DO NOT DEPEND ON THIS PRODUCT FOR VOLTAGE INDICATION

Failure to follow these instructions will result in death or serious injury.

DANGER

INSTALLATION GUIDE

V421

20A DPST Enclosed Relay

With Dual HOA Switches

Installer’s Speciﬁcations

Operating Temperature -40°C to 40°C (-40° to 104° F) Operating Humidity 10-90% non condensing Expected Relay Life Electrical (at rated current): 100,000 cycles Mechanical (unpowered): 10,000,000 cycles Relay Status LED ON=energized

Wire Specications:

Lead Length 14” (356mm) min. Gauge UL1015; Coil: 18AWG; Contacts: 12AWG Insulation Class 277VAC RMS Agency Approvals UL508 enclosed device listing, p ollution degree 2

INSTALLATION

Disconnect and lock out all power sources before beginning the installation.

1. Using the threaded nipple, connect the relay to the desired enclosure through a knock out hole.

2. Secure with the conduit nut provided.

3. Connect coil:

• Choose the coil common lead (white with yellow stripe) and connect it to the common (-) source termination point.

• Choose either the low voltage (24VAC/DC, white with blue stripe) or high

NOTICE

• This product is not intended for life or safety applications.

• Do not install this product in hazardous or classiﬁed locations.

• The installer is responsible for conformance to all applicable codes.

• Mount this product inside a suitable ﬁre and electrical enclosure.

4. Connect relay contacts:

voltage (208-277VAC, white with brown stripe) lead, depending on the application requirements, and connect it to the (+) source termination point.*

NOTE: When connecting the control side of this device (#18 wires) to power line circuits, provide current limiting at 7 amps max.

DIMENSIONS

4.0"

(103 mm)

3.8"

(97 mm)

2.0"

(52 mm)

Alta Labs, Enercep t, Enspector, Hawkeye, Trustat, Veris, and the Veris ‘ V’ logo are trademark s or registered tradema rks of Veris Industries, L.L .C. in the USA and /or other count ries.

3/4" NPT Nipple

2.3"

(59 mm)

2.5"

(64 mm)

Output #1

• Choose the two relay N.O. (solid orange) leads and connect to the switched load.

Output #2

• Choose the two relay N.O. (solid brown) leads and connect to the switched load.

5. Secure the enclosure and reconnect power.

* Isolate or insulate all non-terminated wires according to local electrical code requirements, i.e. wire nut.

V421

Voltage Coil Current AC DC

24V.......................................... 120mA 64mA

277V........................................ 102mA -

TYPICAL COIL PERFORMANCE

CONTACT RATINGS

Resistive............................ 20A@240VAC

8A@28VDC 14A@14VDC

Motor.................................. 120VAC, 1HP

24VAC/DC

LOW

wht/blue

COMM

wht/yellow

CONTACT OUTPUT #1 N.O.

CONTACT OUTPUT #2 N.O.

CONTROL SYSTEM INPUT

Common

208-277VAC

wht/brown

White

HAND

OFF

AUTO

Up position: contacts are closed.

Middle position: contacts are open.

Down position: control system actuates the contac ts.

Relay 2 Relay 1

INSTALLATION GUIDE

WIRING COLOR CODES

CONTACT AND COIL SPECIFICATIONS

WIRING EXAMPLE

Nipple mount directly to a panel

To Load A

N.C.

N.O.

To Load B

COM

To Power

To Controls

Nipple mount to a 2x or 4x electrical box

To Load B

To Power

CONTROL

PANEL

COIL

To Load A

N.O.

COM

N.C.

CONTACTS

To Control

Wire Nuts

* Isolate any unused wires, e.g. wire nut.

HOA POSITIONS

Alta Labs, Enercep t, Enspector, Hawkeye, Trustat, Veris, and the Veris ‘ V’ logo are trademark s or registered tradema rks of Veris Industries, L.L .C. in the USA and /or other count ries.