Heliocol HC10.5, Руководство по установке, Страница: 24 / 29

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Installation Troubleshooting
Trouble spots may arise during the initial
installation of your Heliocol solar pool
heater. Generally the primary cause of
problems, depending on its age, is the
existing pool/pump filtration system. Prob-
lems can also arise from installer error
or oversight. We are confident that your
system will work effectively and efficiently
when properly installed and matched to
your existing pool/pump filter system. This
troubleshooting guide is designed to help
your installation go smoothly and work
properly the first day and every day there-
after.
There are Air Bubbles in
the Pool when the Solar
Heater is Operating
Diagnosis:
There may be air coming into the pump through an air
leak on the suction side of the pump due to the pump
working harder to move the water through the solar
system.
Pump Answers:
Be sure pump trap lid is on tight.
Check the “O” ring on the pump trap lid. Clean, lubri-
cate or replace as needed.
If you have a suction type pool cleaner, remove it. If this
eliminates the air bubbles, use it only when the solar
system is off.
If you have a clear lid on the pump and can see air bub-
bles in the trap, use a garden hose to run water over the
lid and each joint individually to see if the air bubbles
will clear up. If there is not a clear lid, listen to pump
noise for a smoother operation. Repair any air leaks.
Diagnosis:
If the vacuum breaker is installed on the roof, there is
not enough water pressure in the solar system to keep
the vacuum relief valve closed so it is allowing air to be
drawn into the water as it flows by the valve.
Install Answers:
Be sure filter is clean. Backwash to reduce pressure.
Locate vacuum breaker on the feed line as shown on
page 18, Fig. 15, and put a solid end cap at the end of
the top header where the vacuum relief was located.
Using the (5210) ball valve on the return line, throttle
back the flow to produce more back pressure on the
system.
Some of the Solar
Collectors are Warm to the
Touch while Others are Cool
Diagnosis:
There is not equal flow through all of the collectors.
Warm collectors indicate low water flow.
Pump Answers:
Be sure the filter is clean. Backwash to reduce pressure.
The pump may not be providing enough water to the
solar system. Check water flow using a flow meter.
Increase pump horsepower to maintain recommended
flow. If there is a suction type cleaner in the pool, re-
move it. If this eliminates the problem, use it only when
the solar system is off.
Install Answers:
If the system is a single row array and there is adequate
flow, using the (5210) ball valve on the return line to
throttle the flow back to produce more back pressure
on the system. This will even out the flow through the
collectors. If the array contains more collectors than
the maximum recommended on page 8 of this manual,
change the array to a double row or single row split feed
as shown in Fig. 1.2 and Fig. 1.3 on pg 7.
If the system is a double row or single row split feed ar-
ray and there is adequate flow, install a ball valve on the
return side of the set of collectors that are coolest to
throttle back the flow through these collectors and force
more water through the warmer collectors. If any section
of the array contains more collectors than the maximum
recommended on page 8 of this manual, make changes
as needed to correct this.