Reznor ZQYRA Unit Installation Manual - Manual (Page 34)

Form I-ZQYRA P/N 260414R5, Page 34
8.4 Control Points
Small Controller (Carel uPC) - Software Version 1.05
Controller Point Point Type Point Maps
DI1 Dry Contact SA Fan Status (NO)
DI2 Dry Contact EA Fan Status (NO)
DI3 Dry Contact Fan Start/Stop (NO)
DI4 Dry Contact Digital Compressor General Alarm (NO)
DI5 Dry Contact Shutdown Contact (NC)
DI6 Dry Contact SA/EA Alarm Contact (NC)
DI7 Dry Contact Filter Alarm (NO)
B1 0-1 Vdc / 10K Thermister Space Temperature ??
B2 10K Thermister Unit Discharge Air Temperature
B3 10K Thermister Outside Air Temperature
B4 10K Thermister Energy Wheel Discharge Air Temperature
B5 4-20 mA Energy Wheel Discharge Air Humidity
B6 0-5 V Ratiometric Pressure
VOC Sensor (0-100% Air Pollution or CO2 Sensor (0-2000
ppm)
B7 0-5 V Ratiometric Pressure Outdoor Coil Saturated Suction Temperature
NO1 Relay Fan Contactor
NO2 Relay Changeover Solenoid Valve
NO3 Relay Energy Wheel Contactor
NO4 Relay Electric Preheat Contactor
NO5 Relay Alarm Contactor
NO6 Relay Electric Supplement Heat Contactor
NO7 Relay (For Future Use)
Y1 1-5 Vdc Compressor Modulation
Y2 0-10 Vdc SA Fan Speed
Y3 0-10 Vdc EA Fan Speed
8.5 Controller
Display Menus 1. MAIN PAGE
(Home
Screen)
MENUS
Control Display Description Range Factory Default
Page 1:
- - Summary Menu - -
Unit: Current status of Supply and Exhaust Air Fan
On Unit is commanded ON and there is a status “ON” for both fans.
Off Unit is OFF.
ER Wheel: Current status of Energy Recovery Wheel
On Energy Recovery Wheel is commanded ON.
Off Energy Recovery Wheel is commanded OFF.
HP: Current status of the Heat Pump
2. SUMMARY MENU The Summary Menu is accessed by pressing the up or down arrows (buttons). To start at the
top of the selections, press the down arrow. To start at the bottom of the Summary Menu, press
the up arrow.
alarm condition. Once the alarm condition is corrected (switch opens), the alarm will
automatically clear and be logged.
Run Time Alarms - The system has the ability to monitor the individual components
and create a specific alarm based on operational run times. These alarms are disabled
by default and can easily be enabled through the unit interface under the “Service”/”Run
Times” menus. Run time maintenance alarms are included for fans, energy recovery
wheel, heat pump, preheat, and filters.
8.3 Safeties, Alarms,
and Lockouts
(cont’d)
8.0 Controls
(cont’d)
8.3.2 Maintenance Alarms (cont’d)