Dri-Eaz LGR1800 Owner's Manual

Owner’s Manual

WARNING

LGR1800 Portable Dehumidifier 230 volt

with remote monitoring capability (F432i)

The Dri-Eaz® LGR1800 dehumidifier reduces humidity in enclosed structural environments
by removing water vapour from the air. The LGR1800 is engineered for improved operating
performance within lower humidity environments. With a rugged, durable and highly port­able design, the LGR1800 is ideally suited for water damage restoration, structural drying,
construction, and other applications requiring temporary, high-performance
dehumidification. With built-in humidistat control, the LGR1800 is ideal for environments
that require longer term humidity control, museums, server rooms, etc.

READ AND SAVE THESE INSTRUCTIONS

SAFETY INSTRUCTIONS

WARNING! Electric shock hazard, rotating fan, hot
surface hazards. Unplug unit before opening cover
for cleaning or servicing. Unit must be earthed.

• Inspect the power cord before use. If cord is
damaged, do not use. Always grasp the plug (not
the cord) to unplug.

• The unit must be operated on a 230V/50Hz circuit
protected by a Residual Current Device (RCD).

• Keep motor and wiring dry.

• Do not operate in standing water

• Do not operate in rain or snow. If electrical

components become wet, allow them to dry before
using.

• Do not attempt to repair the unit. For service, call
Dri–Eaz at [phone]

BEFORE YOU BEGIN

Unpacking your unit

Retain all packing material and boxes for possibl e
equipment returns.

Warranty registration

Complete and post the enclosed card to register your
purchase. Registration allows us to better as sist you with
using, maintaining and servicing your equipment, and
provides us with your contact information in cas e we

need to communicate important safety information
concerning your Dri-Eaz product. If you determi ne
service is required, have your equipment m odel, serial
number and original proof of purchase available and call
Dri-Eaz on [phone] for assistance.

INTRODUCTION

Dehumidifiers reduce humidity in enclos ed st ructural
environments by removing water vapour from the air.
With proper use, the LGR1800 can help dry carpet ,
carpet pad, floors, walls, building contents and mo re.
Using dehumidifiers can also help prevent secondary
damage caused by high humidity. For best result s, use
the LGR1800 with Dri-Eaz TurboDryer airmover s placed
around the perimeter of the room. Airmovers help to
distribute heat energy, which accelerate the release of
moisture from wet surfaces into the air.

How the LGR1800 dehumidifier works

Dri-Eaz refrigerant dehumidifiers operat e by pulling
moist air in across a very cold evaporator coil. The
moisture in the air condenses on the coil and drips i nto a
catch basin. The water collects in a tray and is pumped
out through a hose. In certain conditions, the machine
operates in defrost mode, warming any frost
accumulated on the evaporator coil back into water. LGR
(Low Grain Refrigerant) dehumidifiers have better heat
exchange and defrost abilities than regular refrigerant
dehumidifiers, and are able to continue removi ng
moisture in drier environments.

Remote Monitoring Option

Your Dri-Eaz distributor can modify the LGR1800 to
work with the HygroTrac Remote Monitoring System
(purchased separately). HygroTrac lets you view dry ing
environment conditions and equipment performance
from any Web browser. Contact Dri-Eaz on +44 (0)1908­611-211 for more information about this option.

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POSITIONING A DEHUMIDIFIER

FIG. B: SECURING HANDLE

FIG. C: HOSE STORAGE

FIG. A: BACK

For best results, operate your dehumidifiers in an
enclosed area, as this creates a drying chambe r. Close
all doors and windows that open to the outside to
maximise the unit’s water removal efficiency. Also, keep
traffic though the drying chamber to a minimum. Place
your LGR1800 dehumidifier against a wall, away from
obstructions, and keep it away from anyt hi ng that could
block airflow into and out of the unit.

IMPORTANT: Before moving the unit, make sure there’s
no water in the pump. See how to use the PURGE
function under “How to Use the Control Panel” on page

3.

Managing temperatur e rise

Controling temperature in the drying environment is
critical. The most accurate way to monitor temperature i s

PARTS IDENTIFICATION

with a thermo-hygrometer; however, you can use an
indoor/outdoor thermometer to gauge tem perature. For
improved accuracy, take temperature readings in in the
center of the room, away from the airflow of the
dehumidifier.

Dri-Eaz dehumidifiers warm the air as they remov e
moisture. Optimal drying temperatures range from 20–
29°C (68–85°F). This may require the use of the
building’s HVAC (heating and air conditioning) system. If
heating and cooling is not available at the site, contact
Dri-Eaz and a Technical Specialist will help you find an
appropriate solution.

For more information about creating an optim um dry i ng
environment, contact Dri-Eaz on [phone].

Handle (in stored
position).

Hose storage tabs.
Rotate upper tab to
release hose.

Location of pump
and catch basin.

1. Rotate locking lever to
right to release handle.

2. Raise handle to upright
position and secure in
place with locking lever.

3. Reverse procedure to
secure handle for shipping
and storage.

Rotate hose
storage tab
180 degrees to
the right to
release drain
hose.

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ON/OFF

DISPLAY

Control panel

FIG. D: FRONT

OPERATING YOUR DEHUMIDIFIER

let the unit rest for five minutes before restarting.
Otherwise it might shut off again.

Set unit upright

Always operate the dehumidifier in an upright position. If
the unit has been stored or transported in a horizontal
position, set it upright (in a vertical position) for at least
30 minutes before operating it. This will allow for any
compressor oil that has flowed into the refrigerant coils
to return to the compressor and allow the dehumidifie r to
function properly.

Moulded cord storage.

Process (dehumidified) air
outlet. May be used with
standard 300 mm (12 in.)
rigid or layflat ducting.

Air filter access
door. Lift handle
to release.

Humid air inlet
(both sides).

Set up drain hose

The LGR1800 pump connects to a plastic drainage
hose. The hose can be stored on the hose wrap, lo cated
on the back of the unit (see Fig. A). You can release the
hose by rotating the top reel of the hose wrap down;
simply pull outward until you’re able to rotate it (see Fig.
C). Rotate the tab to the right or left until it is pointing
straight down. This feature makes it easy to take off the
entire hose quickly. Place the unattached hose end in a
sink, drain, bucket –even outside; anywhere that water
can drain out safely.

NOTE: Uncoil and straighten the entire drain h ose.
Do not leave any of part of the hose coiled on the
unit and do not place the end of the hose higher
than 4.5 m (15 ft.) above the top of the unit. Also
check for kinks, or obstructions that would restrict
the flow of water. Failure to do so may cause a water
backup in the pump resulting in leakage.

Plug in electrical cord

The electrical cord is wrapped around the top of t he uni t.
The LGR1800 will operate on any standard 230-volt
Residual Current Device (RCD) protected outlet.

If the unit experiences a loss of power, either from a
power interruption or from thermal overload pr otection,

Turn the unit on

The control panel on the LGR1800 has a display and a
touchpad with four keys. Press the
the unit on.

CONTROL PANEL

DISPLAY
MENU

ON/OFF to turn

PURGE PUMP

MENU
SELECTION /
UP KEY

How to use the control panel

The control panel on the LGR1800 has a display and a
touchpad with four keys.

ON/OFF. Press the ON/OFF key to turn the uni t on or
off. When the machine turns on, the display normal l y
reads PLEASE WAIT COMP. DELAY and performs a
numeral count down from a maximum of 60 seconds
to 0. This delay allows time for refrigerant pressures to
equalise for easier starting. If you don’t see a
compressor delay countdown, a delay is not neces sary
and the machine will begin operation immediately . Once
the unit completes the compressor delay, the display
shows UNIT ON XX HRS and cycles between
INLET TEMP XX°C and INLET RH XX%.

DISPLAY MENU. Press the DISPLAY MENU key to
cycle through the display of additional dehumidi fier
conditions and User Settings. To return t o the main
menu, press the ON/OFF button once.

MENU SELECTION. Press the MENU SELECTION
key to change the values on the "User Defined" set tings.
The MENU SELECTON key acts as the UP key for
adjusting the setpoint for Humidistat mode operation.
See User Settings Menu (below) for details.

PURGE. Press the PURGE key to manually em pty
water from the condensate pump reservoir. NOTICE:
Always press the purge key prior to moving the uni t.
During normal operation, the pump purges autom atically
every six minutes, or whenever the reservoir is full. The

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