13
4. Maintenance and inspection
4.1 Maintenance
•
Check the water supply to the unit often. Low water flow and air entering into the system
should be avoided, as this will diminish the units’ performance and reliability. You should
clean the pool/spa filter regularly to avoid damage to the unit as a result of the dirty or
clogged filter.
•
The area around the unit should be dry, clean and well ventilated. Clean the side
heating exchanger regularly to maintain good heat exchange and to save energy.
•
Check the power supply and cable connection often. Should the unit begin to operate
abnormally or do you smell something unusual around the electrical compartment,
switch off the heat pump and have it replaced on a timely manner.
4.2 Trouble shooting guide
Improper installation will create an electrical hazard, which could result in death or serious injury to
pool users, installers, or others due to electrical shock, and may also cause damage to property.
Attention: DO NOT attempt any internal adjustments inside the heater.
Attention: Keep your hands and hair clear of the fan blades to avoid injury.
Attention: If you are not familiar with the pool filtering system and heater:
• Do not attempt to adjust or service without consulting your dealer,
professional pool or air conditioning contractor.
• Read the entire installation and users guide before attempting to use,
service or adjust the heater or pool filtering system.
• Do not start the heat pump until 24 hours after installation to
avoid damaging the compressor.
Attention: Turn off power to the unit prior to attempt service or repair.
Problem
Cause
Solution
Heat pump not running
1. No electricity
1. Switch on the electrical power
2. Unit not turned on
2. Switch on the heat pump
3. Wrong temperature settingr
3. Adjust the temperature setting
4. Time delay still activated
4. Wait 3 min for unit to start
5. Air temperature below 8°C
5. Wait until temperature has
risen
6. Other
6. See further under ‘error mes-
sages’
Insufficient heating
1. Obstacles blocking air flow
1. Remove obstacles
2. Ice on the evaporator
2. Turn of the unit (air too cold)
4.3 Error messages
The heat pump will show an error message in case of a problem. The following messages can
occur:
Error message
Oorzaak
Oplossing
Low air temp
The heat pump will not start when
the ambient air temperature is
below 8°C.
the unit will start as soon as the
ambient temperature reaches
8°C.
3.3 The flow bar
The flow bar is a graphical representation of the water volume through the unit. The heat pumps has
it best performance when the flow bar is in the green zone. The graph is only valid after at least 30
minutes of operation. The flow bar also represents the three-minute time delay before the actual start
of the unit. The indication “flow” is not visible; the small block at the very right end of the flow bar is
flickering and disappears after a while. When they are all gone, the unit will start.
Overheat
The heat pump is not capable of
transferring all the heat it has ge-
nerated.
check the water flow.
High airtemp
The unit is indicating that the
ambient air temperature is high
enough to operate without its fan.
The fan is being switched off.
low flow
Insufficient water flow. The fan
has stopped but the compressor
is still running.
check the water flow.
Flow error
Check/restore the water flow. The
heat pump will start after 3 minu-
tes delay when the flow is the unit
is sufficient again.
check the water flow.
more information: www.sunspring.eu
4.4 Water chemistry
Special care should be taken to keep the chemical balance of your swimming pool within following
limits:
Min.
Max.
pH
7,0
7,8
Free chlorine (mg/l)
0,5
1,5
TAC (mg/l)
TAC (°F)
80
10
150
30
Salt (g/l)
8
Attention: failure to keep the swimming pool water between above limits will void
the warranty
Attention: when the concentration of one or more products mentioned above becomes too
high, irrevocable damage to your heat pump may occur. Make sure that you
always install water treatment equipment after the heat pump. When an auto-
matic chemical feeder is installed in the plumbing, it must be installe down-
stream of the heat pump. A check valve must be installed between the heat pump
and the chemical feeder to prevent back siphoning of chemically saturated water
into the heat pump where it will damage the components.
4.5 Winterizing
Although our Sun Spring heat pumps are protected against freezing, it is good practice to drain the
complete installation. Perform the following actions to completely drain the heat pump:
•
Turn off the electrical power to the heat pump at the main breaker panel.
•
Shut off the water supply to the heat pump.
•
Disconnect the water inlet and outlet and let the water drain from the heat pump.
•
Re-connect the water inlet and outlet loosely to prevent debris entering the connections.
Attention: failure to winterize could cause damage to the heat pump and will void warranty
4.6 Spring startup
If your heat pump has been winterized, perform the following steps when starting the system in the
spring:
•
Inspect the system for any debris or structural problems.
•
Connect the water inlet and outlet unions firmly.
•
Turn on the filter pump to supply water to the heat pump.
•
Restore electrical power to the heat pump and switch it ON.
