International Refrigeration Products DH470 User manual

DEHUMIDIFIER USER MANUAL
For Models:
DH450 DH450S
DH470 DH470S
950-0141-revA 11-21-11

- 1 -
CONTENTS
SAFETY PRECAUTIONS................................................................................ - 2 -
CHOOSING A PROPER LOCATION............................................................... - 5 -
OPERATION.................................................................................................... - 6 -
UNIT OUTLINE......................................................................................... - 6 -
FEATURES............................................................................................... - 7 -
CONTROL PANEL ................................................................................... - 8 -
OPERATIONAL PROCEDURES.............................................................. - 9 -
WATER TANK ............................................................................................... - 10 -
AUTO SHUT-OFF................................................................................... - 10 -
USING THE WATER TANK.................................................................... - 10 -
CONTINUOUS DRAINAGE.................................................................... - 11 -
MAINTENANCE............................................................................................. - 12 -
GRILL AND CASE.................................................................................. - 12 -
AIR FILTER ............................................................................................ - 12 -
WATER TANK........................................................................................ - 12 -
TROUBLESHOOTING................................................................................... - 13 -
SPECIFICATIONS......................................................................................... - 14 -
WARRANTY .................................................................................................. - 15 -
FOREWORD
The appearance of the units that you purchase may be slightly different from the ones
described in this manual, but will not affect proper operations and usage.
Please read carefully the sections corresponding to the specific model you have, and keep
the manual in a safe place for reference.
The refrigerant used in your dehumidifier is an environmentally safe and friendly.
ATTENTION
Keep small children away from dehumidifier.
Do not modify or otherwise defeat the plug.
The appliance shall be installed and operated in accordance with National Electrical Code
regulations.
Do not operate the machine when the ambient temperature is below 41°F or above 89°F.
If the supply cord is damaged, it must be replaced by a qualified person in order to avoid a
fire hazard.

- 2 -
SAFETY PRECAUTIONS
READ ALL INSTRUCTIONS BEFORE USING
To prevent injury to the user and/or property damage the following instructions must be followed.
Incorrect operation due to not following instructions will cause harm or damage. The seriousness
is classified by the following indications.
WARNING CAUTION
This symbol indicates the possibility of death or
serious injury. This symbol indicates the possibility of injury or damage to property only
WARNING
Follow all grounding and electrical requirements as shown on
page 4.
Turn unit "OFF" and disconnect power cord from receptacle
prior to servicing or cleaning.
Do not use flammable fluids, solvents, or strong detergents to
clean the Dehumidifier.
When cleaning the outside surfaces of the unit do not plug the
unit into the receptacle until it is completely dry.
Do not use the water collected in the water tank for drinking
or cooking purposes.
Do not clean the dehumidifier while it is plugged in. This can
cause electrical shock.

- 3 -
CAUTION
Unit can fall if placed on a shelf or table. Be sure to secure
dehumidifier to prevent injury or damage from falling unit. Shelf
or table must be able to support the weight of the unit and a full
water tank (about 90 lbs).
Replace water tank after emptying to prevent water damage to
property and unit.
Do not operate unit with wet hands.
Close all doors and windows to the room where the dehumidifier
is to be operated. Dehumidifier will be more effective in enclosed
areas.
Do not operate the Dehumidifier in areas where the temperature
will drop below 41° F. When the unit operates in an ambient below
41°F frost may occur and the efficiency will be affected.

- 4 -
WARNING
OBSERVE ALL LOCAL ORDINANCES.
DO NOT, UNDER ANY CIRCUMSTANCES,
REMOVE THE POWER SUPPLY CORD GROUND
PRONG. ELECTRICAL GROUND IS REQUIRED
ON THIS APPLIANCE.
USE ONLY UL APPROVED EXTENSION CORD.
DO NOT ALLOW WATER OR MOISTURE TO
ENTER ELECTRICAL CONNECTIONS.
Properly grounded electrical supply is required time delay fuse or time delay circuit
breaker is recommended. Use a dedicated circuit, serving only this appliance.
For your personal safety, this appliance must be grounded.
This appliance has a power supply cord with a grounding
plug. To minimize possible shock hazard, the cord must be
plugged into a mating grounding type wall receptacle and
grounded in accordance with the National Electrical Code
latest edition and all local codes and ordinances. If a mating
wall receptacle is not available, it is the personal
responsibility and obligation of the customer to have a
properly grounded wall receptacle installed by a qualified
electrician.