USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
8
Two Speed Pump
In some cases, the pressure from a two speed pump is below the one pound minimum required to operate the heater. This is apparent when the pressure
switch cannot be further adjusted. In these cases the pump must be run at high speed to operate heater. If your pump and piping arrangements are such that
the required one pound minimum pressure cannot be obtained, do not attempt to operate the heater. Correct the installation.
Maintenance
Dry-Firing of Elements
Caused by water voids when power is on. All air must be purged from system before any heater start-up. It is especially important to purge all air after clean-
ing or changing a cartridge filter. Since the filter casement acts as an air reservoir during this procedure, the circulation system must be on for at least five
minutes to purge and bleed all air from the system before turning on power to the heater. A dry-fired element (soft annealed or blistered and/or completely
burned off) is not a warranty failure.
If Heater Does Not Heat
1. Check filter for pressure and cleanliness.
2. Turn pump on.
3. Turn the heater thermostat to the highest position.
4. If the indicator light does not come on, check the following:
A. Push reset button on side of heater.
B. Check breaker in fuse panel box.
C. If the reset button is engaged and the main breaker in fuse panel okay, contact your installing dealer, factory authorized service center or Hayward
Pool Products, Inc.
5. If the Indicator light comes on but you have no heating, contact your installing dealer, factory authorized service center or Hayward Pool Products, Inc.
Use of Chlorinators and Chemical Feeders
WARNING - Chlorinators and feeders that are misadjusted may cause severe and rapid corrosion to the heater heat ex- changer. This damage is not
covered under the manufacturer’s warranty.
Chemicals must be completely diluted into the pool/spa water before circulation through the heater. Check the following conditions:
1. Chlorine tablets or bromine sticks should not be placed in the skimmer.
2. Do not use non-stable chemicals.
3. Chlorinator must be installed downstream from heater, have a check valve to prevent chemical back-up, or be wired in such a manner that chlorinator
shuts off with the filter pump.
4. Tether “floaters” such that they will not be drawn to the skimmer.
Contactor Failures or Chattering Contactors
Principally caused by dirty filters and by marginal water flow conditions. Filters must be backwashed and the water flow must be maintained as per manufac-
turer’s installation instructions. In addition, contactor failures may be caused by undersized field wiring creating a high electrical resistance and low voltage.
Contactor failures under these conditions are not warranty problems. Lack of or insufficient cleaning and backwashing filter skimmer baskets can result in
contactor failure. This is not covered under the certificate of warranty.
Winterization/Freezing
If your heater is to be shut off and exposed to freezing temperatures, it must be drained. Water, when frozen, will expand, damaging your tank. Shut off or
disconnect your electrical supply to the heater before you restore your electrical supply. Freeze damage is not covered by the limited warranty.
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