Johnson Controls W351 Series Catalog Page

W351 Series

Electronic On/Off Humidity Control

Code No. LIT-1922400 Issued February 1, 2009

Description

The W351 Electronic On/Off Humidity Control is an electronic humidity control with SPDT relay output and LED indication. This control is used in conjunction with the HE-67S3-0N0BT or HE-67S3-0N00P series of humidity transmitters to stage humidification and dehumidification equipment. The control covers a range of 10 to 90% RH and has adjustments for setpoint, differential, and mode (humidification or dehumidification).

The S351 Stage Module, D351 Display Module, and the Y350R Power Modules can be used with the W351.

Features

• field selectable humidification or dehumidification mode

• adjustable differential and setpoint

• surface or DIN rail mounting

• 5-pin connectors eliminate wiring between modules

Applications

• computer rooms

• clean rooms

• pharmaceutical manufacturing process

• space humidity

• humidity monitoring and display

• high/low humidity alarm indication

Selection Chart

Code Number

W351AB-2C W351AA-1C includes room sensor

W351AA-2C includes duct sensor

Setpoint Range (% RH)

10 to 90% RH 2 to 10% RH

Differential (%RH)

W351

Humidity Transmitter

sensor not included

HE-67S3-0N0BT

HE-67S3-0N00P

Interior of W351

Technical Specifications

W351 Electronic Humidity Control

Supply

Voltage VDC Power Supply 12 VDC provided to power humidity

Power Consumption 1.8 VA Maximum Relay SPDT enclosed relay, contacts rated at

Case and Cover Material NEMA 1, high-impact thermoplastic Ambient

Temperature Humidity 0 to 95% RH non-condensing

1. Only one voltage source may be used.

Relay Contact Ratings

Voltage, AC 120 208/240

Full Load Amp 9.8 4.9 Locked Rotor Amp 58.8 29.4 Non-Inductive Amp 10 at 24/240 VAC Pilot Duty – 125 VA at 24/240 VAC

Transformer 20 to 30 VAC, 50/60 Hz, Class 2 Y350R 120/240 VAC, 50/60 Hz

transmitter

10 amp, 1/2 hp 120/240 VAC

Operating -30 to 150°F (-34 to 66°C) Shipping -40 to 185°F (-40 to 85°C)

2.e

9300060fi

930060fig4.eps

W351 Dimensions, in. (mm)

The performance specifications are nomina l and con form to accep table ind ustry stand ards. For applicati ons at con ditions be yond these specification s, consult the local Jo hnson Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2009 Johnson Controls, Inc.

www.johnsoncontrols.com

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