Aquacal 120, 155 owner manual Digital Controller- Operational Displays, Operational Codes

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DIGITAL CONTROLLER- OPERATIONAL DISPLAYS

THE FOLLOWING CODES WILL BE DISPLAYED AS PART

OF THE NORMAL OPERATION OF THE HEATER:

OPERATIONAL CODES

oFLO—No water flow detected. Code message will appear any time the

circulating pump is off, or when the heater is not receiving correct water flow.

oOFF—System is off. System is off until temperature set point is raised above 60°F.

oCFI—Celsius / Fahrenheit Selection.

oULC—User Lock Code. When activated, steps to the next menu level:

ELC.

oELC—Enter Lock Code. Allows end user to select a secret code so only authorized persons can change heater settings.

oCFO—Call Flex Options. When activated, steps to the next menu level: CFS.

oCFS—Call or Flex selection. Allows user to choose between call or flex options.

oFS—Heater in defrost mode. Normal function in lower air temperatures. Fan continues to run and compressor is off. Compressor will restart when air coil temperature rises to approximately 38°F.

IMPORTANT !

FOR A MORE DETAILED EXPLANATION OF DIGITAL CONTROLLER OPERATION, AND ASSOCIATED DISPLAY CODES, SEE OWNER’S

INSTRUCTIONS FOR HP7 DIGITAL HEAT PUMP CONTROLLER

LOCATED IN THE APPENDIX OF THIS MANUAL.

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