Winland Electronics WB350 User Manual

Electronic Water Detection Device

CONTENTS

This package contains:

• 1 WB-350

• 1 Surface Probe - Unsupervised (W-S-U)

• 1 Installation/Operating Instructions Guide

WB-350

SPECIFICATIONS

Power Requirement 9VDC via alkaline battery @ 40µA (resting)
Sensitivity Will not alarm due to high humidity or condensation.
Battery Life One to two years (not included)
Operating Temp 32˚ to 140˚F (0˚ to 60˚C); non-condensing environment (indoor use only)

Output Open-collector output
25mA max collector current
30 VDC max on trip line
Buzzer (Integrated) 83 dB @ 30 cm @ 9VDC, pulsed

Probe Options Includes 1 Standard Unsupervised Surface Probe (W-S-U)
Accepts up to 6 W-S-U wired in parallel or
Accepts up to 6 Unsupervised Under Carpet Probes (W-UC-U) wired in parallel.
Max Cable Length 1-2 probes; max recommended distance of 200’ (61 m)
3-6 probes; max recommended distance of 100’ (30.5 m)

Probe Cable Probes include 15” (4.6 m) cable. Extend using 22-18 AWG twisted pair.
Console Weight 14 oz (0.40 kg)
Console Dimensions 5 x 2.44 x 1.25” (12.7 x 6.2 x 3.18 cm)
Probe Dimensions Surface: 2 x 3 x 0.88” (5.1 x 7.6 x 2.2 cm)
Under Carpet: 2 x 3 x 0.18” (5.1 x 7.6 x 0.5 cm)

Mounting Key slot
Case Material ABS
Warranty 1 Year Limited

Tech Support 8:00am - 5:00pm Central Time

[phone] • [phone] P

www.winland.com

© 2012 Winland Electronics, Inc.

D-011-0002 Rev D (08/2012)

INTRODUCTION

WATER

WATER

WATER

WATER

Thank you for your purchase of the Winland WaterBug model WB-350. The WaterBug is completely electronic and is designed
to detect water only (distilled and deionized water cannot be detected). For proper operation this unit must be used in
conjunction with an alarm system, wireless transmitter, etc. It is designed so the control console mounts on a wall or other
flat vertical surface and the remote probes are placed in the locations where water leakage is most probable. Up to six
remote probes may be connected to one control console. A film of moisture forming a bridge between the two metallic
contacts on any remote probe is all that is needed for the unit to signal an alarm condition.

The output on the WB-350 is non-latching, but will remain closed until the moisture bridge is broken. As sensitive as the
WaterBug® is, it will not alarm due to high humidity or condensation. The WaterBug® is ideal for use in homes, offices,
computer rooms, boats, etc. Several consoles may be wired together to monitor an entire complex.

LOW BATTERY INDICATION: The WB-350 will trip the open collector output and give an audible warning if battery voltage
runs low.

INSTALLATION

Locate the area where the WaterBug® console is to be mounted. Mark
the position of the screw hole on the mounting surface. Drive the
mounting screw into the wall allowing 3/16” between the screw head
and the wall. Engage the key slot on the back of the console and the
screw head and press down.

Multiple probes must be hooked up in parallel to terminals S and S. See
Figure 1. The remote surface probes may be mounted securely to the
floor or a wall. See Figure 2 and Figure 3.

Not used

Not used

Trip (+)

Common (-)

Figure 1

Mounting the probe(s) to a vertical surface like a wall enables you to
monitor an area for rising water levels. This is useful in basement sump
pumps and other types of water storage and drainage systems.

Note: WB-350 is equipped with an onboard buzzer for local
annunciation and low battery warning.

TERMINAL BLOCK CONNECTIONS

The WB-350 is powered by one 9-volt alkaline battery. To install the
battery, loosen and remove the four corner screws. Insert the new
battery and retighten the four corner screws. The WB-350 can be used
in conjunction with virtually any type of wireless transmitter if any
one of the remote probes detects water. When connecting the unit to a
wireless transmitter, wire the N.O. terminal and C terminals to the input
of the wireless transmitter. If your initial wiring activates the wireless
transmitter when no moisture is present, reverse the leads on N.O. and
C on the unit.