Lennox 4DHV User's Information Manual

Single-Zone Mini-Split Systems
4DHV Outdoor Units and DWH Indoor Units
This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to
the potential for personal injury or death.
WARNING
Improper installation, adjustment, alteration, ser vice
or maintenance can cause property damage, personal
injury or loss of life.
Installation and service must be performed by a li-
censed professional HVAC installer (or equivalent) or a
service agency.
CAUTION
As with any mechanical equipment, contact with sharp
sheet metal edges can result in personal injury. Take
care while handling this equipment and wear gloves
and protective clothing.
Manufactured By
Allied Air Enterprises LLC
A Lennox International, Inc. Company
215 Metropolitan Drive
West Columbia, SC 29170
507949-01
USER'S INFORMATION MANUAL
This manual must be left with the homeowner for future reference.
General
This wall-mounted indoor unit is matched with an outdoor
heat pump unit to create a mini-split system that uses
HFC-410A refrigerant.
Optimal Performance
Optimal performance for the COOL and DRY modes can
be achieved in the following temperature ranges. When
your heat pump is used outside of these ranges, certain
safety protection features will activate and cause the unit
to perform less than optimally.
Temperature
Location
Room
Outdoor
Table 1. Cool and Dry Mode Optimal
To further optimize the performance of your unit, do the
following:
• Keep doors and windows closed.
• Limit energy usage by using TIMER ON and TIMER
OFF functions.
• Do not block air inlets or outlets.
• Regularly inspect and clean air filters.
*P507949-01*
Issue 2011
Cool or Dry
Modes
62°F - 90°F
(17°C - 32°C)
5°F - 122°F
(-15°C - 50°C) (-15°C - 30°C)
Performance Ranges
(P) 507949-01
Heat Mode
32°F - 86°F
(0°C - 30°C)
5°F - 86°F
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