Carrier 50HJQ004 Installation, Start-Up And Service Instructions Manual page 25

PREMIERLINK
CONTROL
HINGED
DOOR
PANEL
Outdoor Air Enthalphy Sensor/Enthalpy Controller
(HH57AC077)
To wire the outdoor air enthalpy sensor, perform the following (See
Fig. 20 and 21):
NOTE: The outdoor air sensor can be removed from the back of
the enthalpy controller and mounted remotely.
Fig. 17 --- Factory Installed PremierLinkt Controller
Fig. 18 --- Factory Installed PremierLinkt
(Shown Installed on Unit with Hinged Access Panel Option)
1. Use a 4-conductor, 18 or 20 AWG cable to connect the
enthalpy control to the PremierLink™ controller and
power transformer.
2. Connect the following 4 wires from the wire harness
located in rooftop unit to the enthalpy controller:
a. Connect the BRN wire to the 24 vac terminal (TR1)
on enthalpy control and to pin 1 on 12-pin harness.
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