27
TROUBLESHOOTING
Mechanical
PROBLEM
CAUSE
SOLUTION
Harmonics, or whining noise
*Debris or restriction in system............
Locate the restriction and remove. Flush system and clean.
Low flow...............................................
Scale forming in heat exchanger - clean heat exchanger and
check pool pH and total alkalinity.
Outlet pipes hot to touch
Low flow..............................................
Scale forming in heat exchanger - clean heat exchanger and
check pool pH and total alkalinity.
Heater going on and off
Dirty filter..............................................
Clean or replace filter.
continuously
Low water level in pool........................
Raise water level.
External bypass setting out of
adjustment............................................
Adjust bypass.
*Pressure switch out of adjustment.....
Adjust pressure switch.
Liming or scale forming in
Pool water............................................
See Water Chemistry section.
exchanger
Bypassing too much water...................
Inspect bypass for movement, if no movement, replace.
Sooting
High flow rates.....................................
Reduce by adding manual bypass valve.
Adjust manual bypass valve until heater outlet water
temperature is between 105°F and 110°F. (Refer to Figure 15.)
*Air starvation.......................................
Refer to installation instructions.
*Improper venting................................
Follow recommended installation instructions.
*Insects or debris clogging
burner intake ports.............................
Clean burners.
Pilot outage
Low gas pressure................................
Adjust gas pressure.
Restricted pilot.....................................
Clean pilot.
Weak pilot generator............................
Replace pilot.
Yellow lazy flame
Low gas pressure................................
Adjust gas pressure.
*Insects or debris clogging
burner intake ports...............................
Clean burners.
Outer jacket very hot
*Broken refractory caused by
(paint blistered)
shipping damage or improper
combustion.........................................
Replace refractory panels.
Excessive sooting of heat exchanger..
Determine cause of sooting & correct.
Takes too long to heat
Under-sized heater...............................
Calculate heating capacity of heater:
pool or spa
Htr. output(BTUH)
Pool gallonage x 8.33
This does not take into account heat loss due to weather.
Filter not running long enough.............
Reset time clock.
Dirty filter..............................................
Clean filter.
Gas line or meter undersized...............
Refer to installation instructions.
*Debris in gas line................................
Remove debris or blow out gas line.
Leaking at well
Overacid...............................................
Replace well and maintain proper water chemistry.
Over chlorination....................................
Check location of chlorinator and backflow preventer.
Leaking at heat exchanger
Overacid...............................................
Replace heat exchanger and maintain proper water chemistry.
Over chlorination....................................
Check location of chlorinator and backflow preventer.
Gasket brittle and leaking -
Heater running after pump shuts off....
See Pressure Switch Adjustment.
(overheated)
Refractory damage..............................
Replace refractory.
Sooted heater.......................................
Determine cause of sooting and correct.
* Indicates symptom which usually occurs on initial start-up.
These instructions are intended for use by qualified personnel who are specifically trained and experienced in
the installation of this type of heating equipment and related system components. Installation and service per-
sonnel may be required by some states to be licensed. Persons not qualified shall not attempt to install this
equipment nor attempt repairs according to these instructions.
Содержание Versa Heaters
Страница 2: ...2 Rev 10 reflects the following Changes to Warnings on page 4 Model Identification on page 7...
Страница 31: ...31 ILLUSTRATED PARTS LIST...
Страница 32: ...32 5 P 1 P 3 P 4 P 2 P 6 P HONEYWELL MILLIVOLT PILOT 7 P 8 P...
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