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AFFINITY SINGLE STAGE HYDRONIC INSTALLATION MANUAL
External Control
An external controller is necessary for operation. For water storage tank set point control the HydroStat HZC, and HZ0
may be used. A field supplied aquastat may also be used as the external control to the heat pump. If zoning is required, the
Hydrologic Zone Panels and Control system can provide up to eight zones of closed loop hydronic heating and cooling.
HydroStat features:
•
Communicating Controller
•
Pump Sampling
•
2 1/2" x 2 1/2" LCD display and five push buttons serve as the human interface
•
Controls and regulates water tank temperature
•
Fahrenheit or Celsius
•
Single Stage
HydroZone HZC features:
•
2 1/2" x 2 1/2" LCD display and five push buttons serve as the human interface
•
Controls and regulates water tank temperature
•
Fahrenheit or Celsius
•
Outdoor reset
•
Warm weather shutdown
•
Single Stage
HydroZone HZO features:
•
HZC mounted on 7.5" x 7.5" x 3.25" electrical box
•
HydroZone relay board
•
2 1/2" x 2 1/2" LCD display and five push buttons serve as the human interface
•
Controls and regulates water tank temperature
•
Fahrenheit or Celsius
•
Outdoor reset
•
Warm weather shutdown
•
Staging (up to 4 stages)
•
Lead/Lag (when staging)
HydroLogic features:
•
Operates radiant floor heating
•
Operates hydronic fan coil heating and cooling
•
4 zones expandable to 8 zones
•
Communicating 2 wire controls
•
Controls 2 stages of compressors with rotation
•
Controls backup heat source
•
Intelligent heat/cool switchover
•
Fahrenheit or Celsius
•
Outdoor reset
•
Indoor temperature feedback
•
Warm weather shutdown
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Troubleshooting
