6
geneRAL pRODUCT InfORMATIOn
product Description
• WlHv is available as (DX) direct expansion straight cool
or heat pump.
• WlHv is equipped with unit mounted infrared compatible
controls which support an optional wired wall thermostat
operation. Handheld remote is supplied.
• Heat pump models provide up to 33,400 Btuh of cooling
and 26,500 Btuh of heating. Electric heat options are
available for up to 5 kW of supplemental heat.
• Can be matched with EMI’s Single-zone condensing units
— S1Cv / S1Hv 09-36.
• Heat pump circuits include accurate common suction port.
• Condensers include common discharge port.
Controls And Components
(factory-Installed Or Supplied)
• Control can be used in cooling only, cooling with electric
heat, heat pump, or heat pump with second stage
electric heat applications.
• Operational range set point temperature adjustable
between 55°F (13°C) and 90°F (32°C) in one-degree
increments.
• Infrared-compatible controller allows use of IR hand held
controller or wired wall control.
• Operation modes include Heat, Cool, Dry, Fan and Auto
Change-over.
• Fan Operation – Auto/On. High, Medium or low speed
fan.
• Fan Purge – Fan remains on for 60 seconds after Heat/
Cool call is dropped. (Auto mode only)
• Room air sampling — Selectable time intervals insure
fan will cycle on periodically, in Auto Fan Mode.
• Selectable Fahrenheit (°F) or Celsius (°C) temperature
scale.
• Dry mode – Operates cooling and electric heat
simultaneously to remove humidity.
• Anti-Short Cycle Compressor Protection.
• Minimum ON time for heating and cooling eliminates
room temperature droop and system short cycling.
• Freeze Protection – Prevents air handlers freeze up.
• Test operation – Allows testing after installation. Runs at
rate condition speeds for set-ups and charging.
• Non-volatile back-up memory maintains control settings
for indefinite period during power outage. When power
is restored equipment resumes operation after three
minute compressor time delay.
• 7-day programmable with copy feature.
• Filter change indicator - Timer indicates when filter
should be cleaned.
• Sweep or user selected stationary louver settings.
• Integral condensate pump safety switch connection
microprocessor monitors condensate pump safety switch
and displays error code when fault occurs. (Only with
optional condensate pump).
• CEC (California Energy Commission) compliant.
• Condensate drain pan over flow protection.
Cabinet features:
• Accessible, washable, reusable, nylon mesh filter.
• Access to piping connections and condensate pump
allow installation with unit mounted in place.
• Condensate drain pan constructed of galvanized steel
(G90U), anti-corrosion coating.
• Horizontal discharge louver, constructed of high
temperature ABS plastic, can be set to oscillate, or
placed in six pre-set positions.
• Manually adjustable vertical discharge fins.
• Easy access to pipe chase area from cabinet bottom
allows piping connections and condensate pump
installation with unit wall mounted.
Optional equipment
• Condensate pump (field installed only).
• Wired wall control.
• Electric heat with automatic reset high temperature
cutout and redundant high temperature fuse link (when
heat option is selected, factory installed only).
Installer Supplied Items
• low voltage wiring (18 AWG minimum required).
• High voltage power supply wiring.
• Mounting screws and fasteners.
• Condensate piping.
• Refrigerant piping (if not supplied).
both tubes need
to be insulated.
• Refrigerant (for interconnect charge) R410A.
