20
ULTRATEMP
®
Heat Pump Installation and User’s Guide
HIGH WATER
TEMP
Water temperature is above
107°F [41.7°C].
LOW WATER
TEMP
Water temperature is below
40°F [4.4°C].
LOW WATER
FLOW
The pressure switch sensing
water flow is open.
REMOTE
POOL/SPA
Pool and Spa relay remote
inputs are simultaneously
energized.
WATER THERM
SHORT
Water temperature thermistor
circuit shorted.
WATER THERM
OPEN
Water temperature thermistor
circuit open.
SUCTION TH
SHORT
Defrost thermistor circuit
shorted
SUCTION TH
OPEN
Defrost thermistor circuit
open.
LOW AMBIENT
TEMP
Air temperature is too low for
heat pump operation.
BROWNOUT
The 24 VAC supply voltage to
the control board is low.
HIGH REFRIG
Refrigerant high pressure
switch is open.
LOW REFRIG
Refrigerant low pressure
switch is open.
SERIAL COMM
LOST
Control board has not
received a message from the
automation controller for two
(2) minutes.
FIVE ALARMS
Indicates that five (5) faults
have occurred in one (1) hour.
This fault will automatically
reset in one (1) hour or can
be manually reset by pressing
the ON/OFF button.
Control Panel Alarm MessagesTimers And Delays
1. Water Sensing Timer
One (1) minute timer to allow water from the pool to
reach the UltraTemp
®
Heat Pump before acquiring
temperature. This timer initiates when water first begins
to run from stopped or low water flow conditions or
when the heat pump is turned ON. Countdown time
is in Minutes and Seconds.
2. Restart Delay Timer
Five (5) minute timer is a protection feature for the
heat pump’s compressor. This extends the life of the
compressor by not allowing it to cycle on and off
rapidly, (i.e. adjusting set point up and down around
actual temperature). Countdown time is in minutes
and seconds.
3. Defrost Delay Timer
Fifteen (15) minute timer where the Heat pump is
in Defrost operation. Countdown time is in minutes
and seconds. Refer to page 22 for more details on
the defrost cycle.
4. Pump Start Delay
One to four (1-4) hour timer used in conjunction with
the AutoSet feature. Counts down the time until the
control board will energize the internal contactor in the
heat pump. Countdown time is in hours and minutes.
See AutoSet section for more details.
5. Heat Pump Runtime Timer
This feature is an adjustable timer to allow the heat
pump to run (green light ON) for a predetermined
amount of time and then turn OFF (green light OFF).
During the selected time frame the green light is ON
and the heat pump will function in the normal mode
of operation and/or the operator can change set
points, functions, etc. The heat pump’s green light
will turn OFF and the heat pump will stay OFF when
time expires.
SENSING WATER TEMP
REMAINING = 1:00
RESTART DELAY
REMAINING = 5:00
DEFROST DELAY
REMAINING = 15:00
PUMP START DELAY
REMAINING 4:00
HEAT PUMP RUNTIME
REMAINING = NONE
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