aquatherm Calorex AT500 Installation & Operation Manual Download Page 10

Skimmer feeding of sanitizers and pH adjusting chemicals 

should always be avoided, and will your warranty.

 

The acceptable water chemical levels are outlined on page 4 - C2.  If you have ques-

tions concerning how to check for these levels, consult your installer for instructions.  
Pool and spa water should be checked at  least once a week andmeet NSPI/ANSI 
Standard 5 Appendix A speci

fi

cations.  A few key levels are outlined below.  For 

additional information, contact the National Pool and Spa Institute (NSPI) at 703-
838-0083.

CHEMICAL LEVELS (PPM)

MINIMUM IDEAL MAXIMUM

Free Chlorine 

1.0 

1.0-3.0 

3.0

Bromine 2.0 

2.0-4.0 

4.0

pH 7.2 

7.4-7.6 

7.8

Total Alkalinity 

60 

80-100 

100-180*

*Recommended maximum levels will vary with the tye of pool surface.  

Check with builder, installer or manufacturer.  Fiberglas pools, for 

example, require slightly different chemical levels than those listed.

Failure to maintain your pool or spa water chemistry within the above speci

fi

cations 

will shorten the life of your heat pump and may void the warranty.  Chemical damage 
to the heat exchanger is detectable and preventable.  The heat exhcanger has been 
designed for many years of continual use providing its integrity has not been compro-
mised by improper water chemistry.

L. MAINTENANCE OF AREA

12. 

MAINTENANCE OF AREA

 

It is important to keep the surrounding area adjacent to your heat pump clear of items 
such as shrubs and bushes, lawn furniture, chemicals, stc.  These items can prevent 
air from circulating properly and result in in inef

fi

cient operation or damge to com-

ponents inside the heat pump.  Do not place ojects on top of the heat pump that will 
block air from exiting the heater,  Damage to the compressor and fan motor may oc-
cur.

 OF FILTER

13. 

BACKWASHING OF FILTER

It is important to keep your 

fi

lter within the manufacturer’s operating speci

fi

cations.  

As a 

fi

lter gets dirty, the 

fl

ow to the heat pump is reduced.  The higher the pressure on 

the 

fi

lter gauge, the lower the 

fl

ow rate.  If left long enough, the 

fl

ow can be reduced 

to such an extent that the heta pump will cycle on and off every 

fi

ve minutes.  Before 

calling your dealer or Aquatherm for service, backwash or clean the 

fi

lter.  Finally, 

check for improper valve settings.  A partially closed valve after the 

fi

lter will cause 

the same conditions to occur.  If the problem persists, call for service.

 

Note: During pool re

fi

nishing or acid washing, the pool heater must be bypassed until 

the process is completed and the pool chemistry is balanced once again.

9.

Summary of Contents for Calorex AT500

Page 1: ...606 www aquathermheatpumps com INFORMATION PLACEMENT PLUMBING ELECTRICAL MEMBER NATIONAL POOL SPA INSTITUTE HEAT PUMP OUT IN FILTER WATER PUMP TO SPA JETS TO SPA SPILLOVER CHLORINATOR TO POOL RETURN S...

Page 2: ...ombination Plumbing 7 Plumbing with Solar 8 Plumbing Above or Below Water Level D Electrical Connections Data Plate Page 6 E Control Panel Information Page 6 F How to Operate Your Heat Pump Page 7 10...

Page 3: ...ON WATER IN 2 MALE THREADED UNION SERIAL NUMBER PLATE ELECTRICAL INSTALLATION PORT S A UNIT DESCRIPTION 2 TECHNICAL SPECIFICATIONS HEAT OUTPUT 102 000 BTU HR COEFFICIENT OF PERFORMANCE 4 6 VOLTAGE HZ...

Page 4: ...ce 3 Keep sprinkler heads at least 6 feet away from the heat pump Do not allow the sprinkler to spray the unit in any way to prevent damage 4 If the unit is installed under a roof overhang or under a...

Page 5: ...are 2 unions included Water IN on the RIGHT Water OUT on the LEFT PLUMB AFTER the FILTER BEFORE any CHLORINATORS or CHEMICAL FEEDERS C PLUMBING WATER CONNECTIONS 3 FREEZING CONDITION PLUMBING In areas...

Page 6: ...system where a solar pool heater is installed It is strongly advised that an automatic solar control device be used when used with the heat pump If the water pump exceeds 1 5 H P then install either o...

Page 7: ...ON position the heater will run anytime water temperatures drop below 60 F You must position the toggle switch in the middle OFF position to keep the unit from operat ing when water temperatures fall...

Page 8: ...prevents damage to the compressor if the heat pump was to repeatedly cycle on and off 5 Allow your pool or spa filter pump to run continuously until the desired temperature is reached This may take s...

Page 9: ...typically lose only 2 4 of heat per night versus 8 10 overnight in unblanketed pools Reductions of 40 60 on heating bills can be achieved by using solar blankets 10 SEASONAL SHUT DOWNS During the swi...

Page 10: ...of continual use providing its integrity has not been compro mised by improper water chemistry L MAINTENANCE OF AREA 12 MAINTENANCE OF AREA It is important to keep the surrounding area adjacent to yo...

Page 11: ...lling leaves can accumulate on the inside of the machine annual maintenance is recommended It is recommended that annual planned maintenance be performed on your heat pump by a certified Aquatherm Ser...

Page 12: ...c Thermostat Mod ule This will save you from having to change the thermostat switch each time you change from pool to spa and back again You can also automate your pool and spa isolation valves with a...

Page 13: ...THE ON POSITION AND ROTATE BOTH THERMOSTATS TO THE MAXIMUM SETTING S THE UNIT OPERATING CORRECTLY S THE UNIT OPERATING CORRECTLY HECK TO SEE IF THE POOL PUMP IS OPERATING AND THE FLOW LIGHT IS ON AKE...

Page 14: ...W TO SUPPORT THE HEATER S OPERATION S THE DEFROST LIGHT ON S THE HEATER PERFORMING PROPERLY S THE POOL PUMP TIMER SET TO ALLOW EXTENDED OPERATION OF THE HEATER XTEND THE POOL PUMP S HOURS OF OPERATION...

Page 15: ...OOL OR IS NORMAL CONDENSATION N ALTERNATIVE METHOD OF DETERMINING A POOL WATER LEAK IN THE HEATER IS TO TURN THE MACHINE OFF FOR A FEW HOURS AND SEE IF WATER CONTINUES TO DRAIN FROM THE UNIT 4HIS WOUL...

Page 16: ...2004 Aquatherm Heat Pumps 2213 Andrea Lane Ft Myers FL 33912 888 297 3826 239 482 0606 www aquathermheatpumps com MEMBER NATIONAL POOL SPA INSTITUTE calorex usa llc A Division of Aquatherm Heat Pumps...

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