
528195-YTG-I-0513
Johnson Controls Unitary Products
11
•
DIRTY FILTER SWITCH
– This kit includes a differential
pressure switch that energizes the fault light on the unit
thermostat, indicating that there is an abnormally high-
pressure drop across the filters.
•
BREAKER
– An HACR breaker can be factory installed
on heat pumps or heat pumps with electric heat.
•
DISCONNECT SWITCH
- A disconnect can be factory
installed on a cooling only units sized for the largest
electric heat available.
•
SMOKE DETECTOR
– A smoke detector can be factory
mounted and wired in the supply and/or return air
compartments.
OTHER PRE-ENGINEERED ACCESSORIES AVAILABLE
•
ROOF CURB
- 14” and 8” high, full perimeter knockdown
curb, with hinged design for quick assembly.
•
BAROMETRIC RELIEF DAMPER
– (Unit mounted –
Downflow, Duct Mounted – Horizontal) – Contains a rain
hood, air inlet screen, exhaust damper and mounting
hardware. Used to relieve internal air pressure through
the unit during economizer operation.
•
ECONOMIZER
(Downflow and Horizontal flow)
•
POWER EXHAUST
– (Unit mount – Downflow, Duct
mount – Horizontal flow)
•
DUAL ENTHALPY KIT
- Provides a second input to
economizer to monitor return air.