DIVERSITECH ASURITY Wet Switch WS-1

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Wet Switch prevents flooding and property damage by detecting moisture

caused by accumulation of air-conditioning condensate, drain leaks, etc. When

moisture is detected, the normally closed circuit controlling the system is

disconnected. An additional circuit is included, normally open, that may be used

to operate an alarm device as well. Multiple Wet Switches may be connected in

series (within the electrical limits of the power supply), to expand coverage area.

Wet Switch incorporates isolated relay contacts, for added flexibility in

installations with electronic control boards where breaking one lead from the

transformer is not possible.

Status Indications & Operation

Normal State: When power is applied and no moisture is detected, the

“POWER ON” LED will be lit green, and the “MOISTURE” LED will be OFF.

Pressing TEST button simulates moisture detection and confirms proper

function of Wet Switch. “MOISTURE” LED will be lit red, & “POWER” LED will be

OFF.

Press RESET button to return Wet Switch to normal state.

When moisture is detected, the control circuit is opened, and the “MOISTURE”

LED is lit red. Wet Switch will remain in this state until the problem is corrected

and the RESET button is pressed, or power is disconnected. After correcting

the moisture problem, & with power disconnected, use a clean, absorbent cloth

to thoroughly dry the sensor pad on the bottom of Wet Switch. Any residual

moisture in the pad may cause a false detection. A warm air device (such as a

hair drier on low heat ONLY) may be used to help dry the pad.

Installation

1. Turn off power to the system.

2. Place Wet Switch, padded side down, on the surface to be monitored.

3. Connect wiring as shown in the diagrams on page 2. Wires may be

extended as necessary, but avoid excess run lengths.

4. Restore power to the system.

5. Press “TEST” to assure proper function.

Controlling Selected Components

System components such as compressors, electric valves, condenser

pumps, chill water pumps, or other 24 VAC controls may be connected

selectively and independently

to Wet Switch.

LED Indicators

Wet Switch

Schematic

TEST & RESET

Buttons

800.995.2222www.diversitech.com

CONDENSATE MANAGEMENT

Installation Instructions

Wet Switch

WS-1

CONTACTS

RED

BLACK

ORANGE

GREEN

WHITE

PUSH

TEST

PUSH

RESET

24 VAC

POWER ON

MOISTURE

CONTACTS

CLASS II

CIRCUIT

240V

3A MAX

POWER

CLASS II

CIRCUIT

2.0 AMPS

MAX

Wet Switch

Flood Detector

MODEL NO. WS-1

SEE USER GUIDE

FOR WARNINGS

Wet Switch

is a registered trademark

of DiversiTech Corp.

0421

Plenum Rated

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Summary

Wet Switch Installation

Installation Steps

Turn off power, place the device, connect wiring, restore power, and test for proper function.

Wet Switch Status and Operation

Normal State

Green "POWER ON" LED is lit, "MOISTURE" LED is OFF when power is applied and no moisture is detected.

Test Function

Pressing "TEST" simulates moisture, lighting "MOISTURE" LED red and turning "POWER" LED OFF.

Moisture Detected State

When moisture is detected, "MOISTURE" LED is red, circuit opens. Reset after correcting issue and drying pad.

Controlling Selected Components

Component Connection

Connect compressors, electric valves, pumps, or other 24 VAC controls selectively and independently.

Wet Switch Specifications

LED Indicators

Green indicates power on/normal state; Red indicates moisture detected.

Power Requirements

Operates on 24 VAC, 50/60 Hz, with a maximum of 1.5 Watts (wet) or <0.5 Watts (dry).

Relay Contacts

Features isolated contacts: Normally Closed (3A max @ 240V) and Normally Open (3A max @ 240V).

Wet Switch Wiring Diagrams

Typical Wet Switch Connection

Diagram showing a single Wet Switch connected to a 24VAC power source and equipment.

Multiple Wet Switches in Series

Diagram illustrating how to connect two or more Wet Switches in series for expanded coverage.