Factory-Installed Options; Unit Cutaway - York DM 036 Technical Manual

036-21502-002-A-0303
FIGURE 1:

UNIT CUTAWAY

FACTORY-INSTALLED OPTIONS

• SINGLE INPUT ELECTRONIC ENTHALPY ECONO-
MIZERS - Includes a slide-in / plug-in damper assembly
with fully modulating spring-return motor actuator capa-
ble of introducing up to 100% outdoor air with nominal
1% leakage type dampers.
The enthalpy system contains one sensor that monitors
the outdoor air and determines when the air is cool
enough and dry enough to provide free cooling.
The rainhood is painted to match the basic unit and must
be field-assembled before installing.
• MOTORIZED OUTDOOR AIR INTAKE DAMPER -
Includes a slide-in / plug-in damper assembly with a 2-
position, spring return motor actuator which opens to a
pre-set position whenever the supply air blower is oper-
ating and will drive fully closed when the blower unit
shuts down.
The rain hood is painted to match the basic unit and
must be field assembled before installing.
• PHENOLIC COATED EVAPORATOR AND CON-
DENSER COILS - Special coating process that utilizes
TM
Technicoat 10-1 processes. Coating is applied by total
immersion of the complete coil for maximum protection.
Unitary Products Group
• ELECTRIC HEATERS wired for single point power sup-
ply. These nickel chromium heater elements are pro-
vided with limit and automatic reset capability to prevent
operation at excessive temperatures.
• FILTER OPTIONS - Standard units are shipped with 1"
throw-away filters installed. 2" pleated filters are offered
as a factory installed option.
• CONVENIENCE OUTLET - This 110 volt outlet can be
"powered" by the unit with a stepdown transformer or the
unit may be ordered with a "non-powered" convenience
outlet that can be wired in the field.
• DISCONNECT SWITCH - For gas heat units and cooling
units with electric heat, a HACR breaker sized to the unit
is provided. For cooling only units, a switch sized to the
largest electric heat available for the particular unit is
provided. Factory installed option only.
• BAS - See "Additional Options" section in the product
nomenclature.
• SMOKE DETECTORS - (supply air & return air) The
smoke detectors stop operation of the unit by interrupting
power to the control board if smoke is detected within the
air compartment.
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