aquatherm AT550 설치 매뉴얼 - 페이지 13
{카테고리_이름} aquatherm AT550에 대한 설치 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. aquatherm AT550 14 페이지. Swimming pool & spa heat pumps w/titanium heat exchanger
페이지 인쇄G. OPERATIONAL SEQUENCE & TROUBLESHOOTING FLOW CHART
220V Power
Water Pump
To Heater
Timer Activates
Green Power Light
On
Heater
Stays Off
Possible Bad
T-Stat Relay
T-Stat Board,
Does Not Close
Pot or Sensor
HI = BAD TEMP. SENSOR
LO = BAD TEMP. SENSOR
Heater Shuts Off
High Pressure
HP Displayed
Switch Open
Too Much Refrig.
Shut unit OFF
or Low Water Flow
Then Back ON to
or Bad Hi Switch
Try Again
Heater Does
Wait for Heater to
Not Activate
Attempt to Restart
After Delay Period
Again
or Below 45 to 50
Deg. Air Temp
TIME DELAYS:
3 minute compressor delay on break & power up.
30 second compressor delay when switching pool/spa modes.
5 minute compressor delay when T.C.O. enables in pool mode.
T.C.O. will shut off after a 5 minute delay when: switching from spa to pool mode, when temperature
is reached in pool mode, or if LF (low water flow) is displayed on LED.
When HP is displayed unit must be turned off then back on to reset.
Water Pump
Starts Flowing
Water Pressure
SW Closes
Thermostat
Sensor
Water Temperature
Water Tempera-
is Below Setting
ture
T-Stat Relay
Closes
Fan Starts
To Run
Low Pressure
Switch
Low Pressure
SW Closed
All OK
High Pressure
Switch
High Pressure
SW Closed
All OK
Compressor Runs
or 3 to 5 Min.
Delay Activates
Compressor Starts
Green Heating
Light ON
12
for "Digital Logic"
Digital Control
Models
Water Press. SW
LF Readout
Stays Open
Displayed on LED
No Water Flow
To Heater or
Bad Water SW
Low Pressure
Compressor Stops
Switch Opens
LF displayed on LED
1 Hour Time
Delay Activates
Time Delay Passes or
Air Temp. Increases
Safety Control Resets
Compressor
or Below 45 to 50˚F
Air Temp or
Bad Low Press.
Heater & Green
Water Rises To
Heating
Set Temp.
Light Go Off
Fan Runs
Restarts