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17
External Control
An external controller is necessary for operation. For water storage tank set point control the HydroStat HSC, HZC, and HZ0
were designed specifically for our Geo-Storage Tanks. A field supplied aquastat may also be used as the external control to
the heat pump.
HydroStat (HSC) 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
•
Symphony Compatibility - without HydroStat the tank temperature won’t be displayed on Symphony. (if available)
• 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)
AFFINITY SINGLE STAGE HYDRONIC WITH OPTIHEAT INSTALLATION MANUAL
Summary of Contents for AFFINITY OptiHeat YAW040
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