Premierlink  Control - Carrier 50HCQA05 Service And Maintenance Instructions

Controller's Power LED is Off:
1. Ensure the circuit supplying power to the controller is
operational. If not, make sure JP2 and JP3 are set cor-
rectly on the controller before applying power.
2. Verify that power is applied to the controller's supply
input terminals. If power is not present, replace or re-
pair wiring as required.
Remote Test/Reset Station's Trouble LED Does Not
flash When Performing a Dirty Test, But the Control-
ler's Trouble LED Does:
1. Verify that the remote test/station is wired as shown
in Fig. 52. Repair or replace loose or missing wiring.
The PremierLink controller (see Fig. 55) is compatible
with Carrier Comfort Networkr (CCN) devices. This
control is designed to allow users the access and ability to
change factory- - defined settings, thus expanding the
function of the standard unit control board. CCN service
access tools include System Pilott, Touch Pilott and
Service Tool. Standard tier display tools Navigatort and
Scrolling Marquee are not suitable for use with latest
PremierLink controller (Version 2.x).
The PremierLink control is factory- - mounted in the
50HCQ unit's main control box to the left of the CTB.
Factory wiring is completed through harnesses connected
2. Configure the sensor dirty test to activate the control-
Sensor's Trouble LED is On, But the Controller's
Trouble LED is OFF:
Remove JP1 on the controller.
Supply Air Temperature (SAT) Sensor — On
FIOP- - equipped 50HCQ unit, the unit is supplied with a
supply- - air temperature (SAT) sensor (p/n:33ZCSENSAT).
This sensor is a tubular probe type, approx 6- - inches (12.7
mm) in length. It is a nominal 10- - k ohm thermistor. See
PremierLink
Instructions. for temperature- - resistance characteristic.

PREMIERLINK CONTROL
to the LVTB. Field connections are made at a 16- - pole
terminal block (TB1) located on the bottom shelf of the
unit control box in front of the PremierLink controller The
factory- - installed
supply- - air temperature (SAT) sensor. The outdoor air
temperature
FIOP/accessory EconoMi$er 2 package.
Refer to Fig. 55 for PremierLink connection locations.
NOTE: Refer to PremierLink
and Configuration Instructions. Have a copy of this
manual available at unit start- - up.
Fig. 55 - - PremierLink Controller
36
ler's supervision relay. See "To Configure the Dirty
Sensor Test Operation" for details.
Installation, Start- - Up and Configuration
t
PremierLink
(OAT) sensor
control includes the
is included in the
Installation, Start- - Up
t
C08199