![background image](http://html.mh-extra.com/html/carrier/weathermaster-50hcqa04/weathermaster-50hcqa04_service-and-maintenance-instructions_2560348036.webp)
36
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.
2. Configure the sensor dirty test to activate the control-
ler’s supervision relay. See “To Configure the Dirty
Sensor Test Operation” for details.
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
t
Installation, Start--Up and Configuration
Instructions
. for temperature--resistance characteristic.
PREMIERLINK
CONTROL
The PremierLink controller (see Fig. 55) is compatible
with Carrier Comfort Network
r
(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 Pilot
t
, Touch Pilot
t
and
Service Tool. Standard tier display tools Navigator
t
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
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 PremierLink control includes the
supply--air temperature (SAT) sensor. The outdoor air
temperature
(OAT)
sensor
is
included
in
the
FIOP/accessory EconoMi$er 2 package.
Refer to Fig. 55 for PremierLink connection locations.
NOTE
: Refer to
PremierLink
t
Installation, Start--Up
and Configuration Instructions
. Have a copy of this
manual available at unit start--up.
C08199
Fig. 55 -- PremierLink Controller
Summary of Contents for WeatherMaster 50HCQA04
Page 38: ...38 C10818 Fig 56 RTU OPEN Control Module ...
Page 78: ...78 APPENDIX V WIRING DIAGRAMS C150427 Fig 58 50HCQA04 A05 Control Wiring Diagram 575 3 60 ...
Page 80: ...80 APPENDIX V WIRING DIAGRAMS C160013 Fig 60 50HCQ 06 Control Wiring Diagram 575 3 60 ...
Page 84: ...84 APPENDIX V WIRING DIAGRAMS C150243 Fig 64 50HCQ 04 05 06 Power Wiring Diagram 208 230 1 60 ...
Page 85: ...85 APPENDIX V WIRING DIAGRAMS C12347 Fig 65 50HCQ 04 05 06 Power Wiring Diagram 208 230 3 60 ...
Page 86: ...86 APPENDIX V WIRING DIAGRAMS C12353 Fig 66 50HCQ 04 05 06 Power Wiring Diagram 460 3 60 ...
Page 87: ...87 APPENDIX V WIRING DIAGRAMS C12354 Fig 67 50HCQ 04 05 06 Power Wiring Diagram 575 3 60 ...
Page 91: ...91 APPENDIX V WIRING DIAGRAMS C12356 Fig 71 50HCQ 12 Power Wiring Diagram 460 3 60 575 3 60 ...
Page 92: ...92 APPENDIX V WIRING DIAGRAMS C150432 Fig 72 50HCQ PremierLink Control Diagram ...
Page 93: ...93 APPENDIX V WIRING DIAGRAMS C12359 Fig 73 50HCQ RTU Open Control Diagram ...