Veris H540 Installation Instructions

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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 qualiﬁed electrical personnel.

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

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

• Use a properly rated voltage sensing device to conﬁrm power is oﬀ. DO NOT DEPEND ON THIS PRODUCT FOR VOLTAGE INDICATION

• Only install this product on insulated conductors.

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

DANGER

CURRENT MONITORING

INSTALLATION GUIDE

H540/548

VERIS INDUSTRIES, INC.

POR TLAN D, OREG ON USA

TOLL FREE USA 1.800.354.8556

TEL USA 1.503.598.4564 FAX USA 1.503.598.4664

CAUTION: Consult instructions prior to installation

STATUS OUTPUT: 1A@30VAC/DC

RELAY COIL: 24VAC/DC; 16mA nom.

RELAY OUTPUT: 16(8)A@250VA C; 3/4 HP

548

HAND

OFF

AUTO

CAUTION: Consult instructions prior to installation

STATUS OUTPUT: 1A@30VAC/DC

RELAY COIL: 24VAC/DC; 16mA nom.

RELAY OUTPUT: 16(8)A@250VAC ; 3/4 HP

VERIS INDUSTRIES, INC.

POR TLAN D, OREG ON USA

TOLL FREE USA 1.800.354.8556

TEL USA 1.503.598.4564 FAX USA 1.503.598.4664

540

HAND

OFF

AUTO

540/548

Fractional HP Motor Status Sensor/

Command Relay

Installer’s Speciﬁcations

Sensor Power Induced from the monitore d conductor Amperage Range H540: 0.25 to 15 A; H548: 0.5 to 15 A Frequency Range 50-60 Hz

Operating Temperature Range -15°C to 50°C (5° to 122°F) Operating Humidity Range 0-95% non-condensing Wire to Relay Contact s Use 12 AWG (3.3 mm

) or larger wire* Terminal Block Torque Relay control ter minals: 3.5 in-lb (0.4 N-m) All other terminals: 12 in-lb (1.35 N-m)

Relay:

Switching Capacity at 120 VAC 1 HP Relay Outpu t SPST F.S. N.O. or N.C. Relay Coil 24 VAC/DC; 36 mA nom

Current Sensor:

Sensor Supply Voltage Induced Status Output Rating N.O. 1.0 A at 30 VAC/DC Tri p Point H540: Fixed (on/o status); H548: Adjustable (belt loss detection) Agency Approvals UL508, Installation Category III

* For current loads up to 10A, use 75°C rated wire insulation. For loads greater than 10A, use 90°C rated wire insulation. Specication Note: For CE compliance, insulate conductor a ccording to IEC 61010‑1:2001. The product design provi des for basic insulation only.

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.

Dimensions

Wire

Opening

4.25"

(108 mm)

Wire

Opening

1.16"

(30 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 countri es.

(108 mm)

1.16"

(30 mm)

4.25"

1.53"

(39 mm)

quick install

1. Disconnect power sources prior to installation.

2. Remove the sensor lid and wire the command relay connections and relay controls

to the base.

3. Set the relay contact jumper.

4. This device has four wiring options, detailed on page 2-3 of this installation guide.

Choose the option appropriate to the application and follow instructions.

operation

The H540 and H548 devices combine a switching relay, a current status sensor, and a Hand-O-Auto (HOA) switch into a single housing. The device is connected in series between the power source and the motor device, and the relay and HOA switch control the on/o functioning of the motor. The current switch trip point is xed at

0.25 A on the H540 and adjustable from 0.5 to 15 A in the H548. The maximum load is 15 A for both devices. The H540 and H548 require no additional power source for operation.

Wire

Opening

2.13"

(55 mm)

Wiring boarD

H540/548

INSTALLATION GUIDE

4. Select one of the following mounting congurations (a, b, c, or d) to match your

installation.

1. Line Current Terminals

2. 24VAC/DC Relay Control

3. N.C. Block

4. N.O. Block

installation

Prior to installation, disconnect and lock out all power sources.

1. Open the device. Set aside the lid and the bag of hardware enclosed.

VERIS INDUSTRIES, INC.

P ORTL AND, OR EGON U SA

TOLL FREE USA 1.800.354.8556

TEL USA 1.503.598.4564 FAX USA 1.503.598.4664

535

HAND

OFF

AUTO

CAUTION: Consult instructions prior to installation

STATUS OUTPUT: 1A@30VAC/DC

RELAY COIL: 24VAC/DC; 16mA nom.

RELAY OUTPUT: 16(8)A@250VAC; 3/4 HP

a.) duplex box:

Mounting slot

Connect line voltage wires to line current terminals

Mounting hole

Line Voltage Wires

N.C. Block

N.O. Block

Wire the 12 AWG lines from the controller through the back of the device, to the line current terminals. Tighten line current terminal blocks to 12 in-lb. (1.35 N-m) torque. Use the base as a template for mounting to the wall using the mounting hole and slot shown.

b.) 4S junction box:

Mounting hole

Line Voltage Wires

Connect line voltage wires to line current terminals

Mounting hole

2. Wire the 24 AC/DC relay control through the top hole of the device. Use only copper conductors for command relay inputs. Tighten terminal blocks to 3.5 in-lb (0.4 N-m) torque. Keep wires away from the N. O. and N. C. jumper blocks.

Status Output & Relay Coil (Low Voltage Wires Only)

24VAC/DC Relay Control / Status Control

3. Set the relay contact jumper for N.O. or N. C. operation (the device is shipped with the jumper set in the N.O. position).

N.C. Block

N.O. Block

Wire the 12 AWG lines from the controller through the side of the device, onto the line current terminals. Tighten line current terminal blocks to 12 in-lb. (1.35 N-m) torque. Use the base as a template for mounting to the wall using any of the mounting holes shown.

c.) surface mounting:

Connect line voltage wires to line current terminals

Line Voltage Wires

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 countri es.

Connect line voltage wires to line current terminals

H540/548

d.) nipple mount to another enclosure:

Insert the conduit nuts (provided) into the slots in the side hole of the device for additional weight support.

INSTALLATION GUIDE

calibration (H548 only)

Note: Testing the solid-state status output of this sensor with a digital ohmmeter

may yield inaccurate, but relative readings of switching (e.g. 6 MΩ) Use an analog V-O-M for readings similar to loop values. Calibration to be done while motor is running normally.

1. For under-current status indication: (Belt loss, fan & pump status)

• Turn the set point screw clockwise until the status closed LED goes out and the status open LED comes on.

• Turn the set point screw counter-clockwise until the status open LED goes out and the status closed LED comes on.

• Turn the set point screw 1/2 turn counter-clockwise.

• The sensor is now calibrated to provide indication of current ow below

normal full load amps.

Output Status:

Normal: Output closed

ENCLOSURE

Line voltage wires

Nipple to existing enclosure (conduit nipple ﬁtting not provided)

Wire the 12 AWG lines from the controller through the side of the device, from the enclosure to the line current terminals. Tighten line current terminal blocks to 12 in-lb. (1.35 N-m) torque.

5. Use the knockout seal to cover any unused holes in the housing. Attach the cover, securing with the screws provided.

NOTE: If a conduit is used, connect the conduit to the mounti ng hub before connecting it to the device. Be sure to support the H540/548 housing when nipple‑m ounted to another enclosure, or the unit may shift o n opening, potentially causing undue stress on the wiring a nd the terminals.

Alarm: Output open

2. For over-current status indication: (Locked rotor)

• Turn the set point screw counter-clockwise until the status open LED goes out and the status closed LED comes on.

• Turn the set point screw clockwise until the status closed LED goes out and the status open LED comes on.

• Turn the set point screw clockwise 1/2 turn

• The sensor is now calibrated to provide indication of current ows above

normal full load amps

Output Status:

Normal: Output open

Alarm: Output closed

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 countri es.

H540/548

INSTALLATION GUIDE

Wiring example

1. Current Sensor: In-series current sensor for motor status.

2. Power Terminal Block: Wire the H540/548 in series with the motor using these

terminals.

Keep all wires away from the jumper block areas.

setting contact jumper

The H540/548 has a jumper for N.O. or N.C. relay function. The jumper aects the relay contacts only when the HOA switch is in AUTO. The product is shipped with the jumper in the N.O. position. To select N.C. function, move to the N.C. jumper block. Always disconnect power to the device before before touching the jumper.

3. Relay Coil Terminal Blocks: Wire the output signal from the control panel to

actuate the relay. 24 VAC/DC; 36mA nominal.

4. Status Terminal Blocks: Wire the status input back to the control panel.

5. N.C. Relay Jumper Block: Insert a jumper here to ensure normally closed relay

operation when the switch is in auto. Disconnect power to the device before before touching the jumper.

6. H.O.A . Switch: Control the motor locally.

HAND – When the switch is in this position, the motor is always on.

OFF – When the switch is in this position, the motor is always o.

AUTO – When the switch is in this position, the control system commands the motor.

7. Relay Status LED: For positive indication of energized coil.

8. Relay: Enables actuation of circuit by a control system.

9. N.O. Relay Jumper Block: Inser t a jumper here to ensure normally open relay

operation when the switch is in auto. Disconnect power to the device before before touching the jumper.

10. Status Open LED: Indicates that the current is below the trip point and the

status contact is open (used to calibrate the current switch in H548 models only).

11. Current Switch Set-Point Screw: Used to adjust the point in the current range

at which the current switch will change states (used to calibrate the current switch in H548 models only).

CAUTION!

Do not rely on status indicators to de termine whether or n ot the relay contacts are connected to a power source. Doing so may result in i njury or death from electrical shock.

If the connections to the unit a re made through more than one metallic conduit, bond the conduits to prevent the hazard of elec tric shock. A bonding plate is available (Veris pa rt AH10 ).

12. Status Closed LED: Indicates that the current is above the trip point and the

status contact is closed (used to calibrate the current switch in H548 models only).

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 countri es.

Veris H540 Installation Instructions

Specifications and Main Features

Frequently Asked Questions

User Manual