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Installation and Operation Instructions
Installation and Operation
Instructions for
MIGHTYTHERM
OUTDOOR
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,
qualified in hot water boiler installation and maintenance. Improper installation and/or operation could
create carbon monoxide gas in flue gases which could cause serious injury, property damage, or death.
Improper installation and/or operation will void the warranty. For indoor installations, as an additional
measure of safety, Laars strongly recommends installation of suitable Carbon Monoxide detectors in the
vicinity of this appliance and in any adjacent occupied spaces.
If the information in this manual is not
followed exactly, a fire or explosion may
result causing property damage, personal
injury or loss of life.
Do not store or use gasoline or other
flammable vapors and liquids in the vicinity
of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from a
nearby phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call
the fire department.
Installation and service must be performed
by a qualified installer, service agency, or gas
supplier.
WARNING
®
Model AP
Sizes 500-1825
These instructions are to be stored in
the pocket provided on the heater.
Assurez-vous de bien suivres les instructions
données dans cette notice pour réduire au
minimum le risque d'incendie ou d'explosion
ou pour éviter tout dommage matériel, toute
blessure ou la mort.
Ne pas entreposer ni utiliser d'essence ni
d'autres vapeurs ou liquides inflammables dans
le voisinage de cet appareil ou de tout autre
appareil.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:
• Ne pas tenter d'allumer d'appareils.
• Ne touchez à aucun interrupteur. Ne pas vous
servir des téléphones dansle bâtiment où vous
vous trouvez.
• Appelez immédiatement votre fournisseur de
gaz depuis un voisin. Suivez les instructions
du fournisseur.
• Si vous ne pouvez rejoindre le fournisseur de
gaz, appelez le sservice des incendies.
L'installation et l'entretien doivent être assurés par
un installateur ou un service d'entretien qualifié ou
par le fournisseur de gaz.
Document 3006V
INDOOR
AVERTISSEMENT
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Related Manuals for Laars MIGHTYTHERM AP
Summary of Contents for Laars MIGHTYTHERM AP
- Page 1 Improper installation and/or operation will void the warranty. For indoor installations, as an additional measure of safety, Laars strongly recommends installation of suitable Carbon Monoxide detectors in the vicinity of this appliance and in any adjacent occupied spaces.
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Page 2: Table Of Contents
LAARS Heating Systems Page 2 TABLE OF CONTENTS SECTION 1. SECTION 3. Operation General Information Introduction ............3 Controls - General ........10 Warranty ............3 Initial Start-Up ..........12 Heater Identification ........3 Safety Shutoff Component Checkout ..12 Primary/Secondary Pump and Piping .... 3 Inlet Temperature and Certifications ..........4... -
Page 3: General Information
Owners should submit online the water heater, its gas controls, gas orifices, wiring warranty registration at www.Laars.com. or draft diverter may void the Laars warranty. If field All warranty claims must be made to an authorized conditions require such modifications, consult factory. -
Page 4: Certifications
Page 4 LAARS Heating Systems 1.5 Certifications Clearance Indoor Outdoor All models are design-certified by CSA for from unobstructed natural or propane gas and conform to ASME Code requirement for 160 PSI water pressure. Water Conn. side Pump side 1.6 Engineering Assistance... -
Page 5: Venting
MightyTherm Pool Heater Page 5 Water Heater CLOSET INSTALLATION ROOM INSTALLATION (UNACCEPTABLE) (ACCEPTABLE) A closet is any 4 sided enclosure A room is any enclosure which is at Figure 4 - Typical Heater Installation on Roof which is less than 16* times the total least 16* times greater than the total Using 4x4 Stringer volume of all the gas fired appliances... -
Page 6: Common Venting System Test Procedure
LAARS Heating Systems Page 6 WARNING 3. Insofar as it is practical, close all building doors Chemicals stored in the equipment room may and windows. Also close all doors between the cause corrosion. Sodium hypochlorite feeders, space in which the appliances remaining connected... -
Page 7: Installation Of Outdoor Pool Heaters
MightyTherm Pool Heater Page 7 les sécheuses, tous les appareils non raccordés au Heater Each Opening* système d’évacuation common et tous les ventilateurs square inches d’extraction comme les hottes de cuisinière et les Size square cm ventilateurs des salles de bain. S’assurer que ces 806.5 ventilateurs fonctionnent à... -
Page 8: Electrical Wiring
LAARS Heating Systems Page 8 Natural Gas Propane Gas Distance from Gas Meter In. W.C. In. W.C. Heater or Last Stage Regulator Max. Size 0-100' 100-200' 200-300' Min. 0-30.5m 30.5-61m 61-91.4m 1½" 2" 2" NOTE: the heater and all other gas appliances 1½"... -
Page 9: General Piping Instructions
MightyTherm Pool Heater Page 9 Since heater outlet temperatures can reach 150°F (66°C) in some cases, copper or CPVC are recommended materials for heater connection piping. PVC material may be used for the inlet valve and the piping upstream of it. When pipe, fittings, grids or any other element of the filter system are made of plastic materials, they may be damaged by the momentary "back siphoning"... -
Page 10: Temperature Sensor Placement And Installation
LAARS Heating Systems Page 10 The well should be installed just downstream of the heater outlet tee. DO NOT INSTALL the bulb in the heater loop piping or upstream of the heater outlet tee. Route the capillary tube in a location where it will not be subject to damage. - Page 11 MightyTherm Pool Heater Page 11 Rating Plate Flow Pressure Switch Relief Ignition Control Valve Water Circulating Pump Power Manual (On/Off/Auto) Pilot Switch Valve Pump Time Delay Relay Manual Main Terminal Strip Gas Valve Safety Operating Control Valve Operating/Safety Hi-Limit Gas Valve Figure 11.
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Page 12: Initial Start-Up
LAARS Heating Systems Page 12 3.2 Initial Start-Up Pilot Valve WARNING Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the heater. The possible damage to a flooded appliance can... -
Page 13: Inlet Temperature And Temperature Rise Adjustment
MightyTherm Pool Heater Page 13 second and the pilot spark ignition is initiated until Observe the inlet thermometer for 5 minutes to see the pilot flame has been reestablished. This sequence where the inlet temperature stabilizes. If it remains should be checked by turning off the manual pilot under 110°F (43°C), throttle outlet valve “B”... -
Page 14: Heater Shut Down
Page 14 LAARS Heating Systems adjusted incrementally to obtain the desired pool 3.8 Time Clock Operation operating temperature. During the warm-up period, the heater must run An adjustable pump time delay relay is mounted continuously so it can raise the pool temperature from in the control panel (see Figure 11). -
Page 15: Maintenance
MightyTherm Pool Heater Page 15 Drinking of alcoholic beverages before or during spa or hot tub use can cause drowsiness which could lead to unconsciousness and subsequently result in drowning. Pregnant women beware! Soaking in water above 102°F (39°C) can cause fetal damage during the first three months of pregnancy Figure 16. -
Page 16: Troubleshooting
LAARS Heating Systems Page 16 SECTION 5. when necessary. The basic controls are: Troubleshooting a. Water temperature controls. For proper service and problem diagnosis of b. Pilot safety system. the heater and heater system, the following tools are required: c. Automatic electric gas valve(s) d. - Page 17 MightyTherm Pool Heater Page 17 1. Symptom: heater is pounding, knocking or emitting steam from relief valve Possible Cause What to Do Low or no water fl ow Is the heater wired into the fi lter pump circuit so that the heater cannot fi re k i l l fi...
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Page 18: Parts Description And Order Numbers
LAARS Heating Systems Page 18 Parts Description and Order Numbers SECTION 6. - Page 19 MightyTherm Pool Heater Mighty Therm Commercial Pool Heating Boiler Page 19 Page 19 ONE PIECE PUMP VOLUTE Figure 17. Parts Identification. Figure 17. Parts Identifi cation.
- Page 20 LAARS Heating Systems Page 20...
- Page 21 MightyTherm Pool Heater Page 21...
- Page 22 LAARS Heating Systems Page 22...
- Page 23 MightyTherm Pool Heater Page 23...
- Page 24 Page 24 LAARS Heating Systems When ordering tiles: Assembly number is for all tiles. Part numbers shown for the front of unit are the same for the rear tiles. Check dimensions of old tile as shown here to confirm part number.
- Page 25 MightyTherm Pool Heater Page 25 Figure 19. Outdoor Parts.
- Page 26 LAARS Heating Systems Page 26...
- Page 27 MightyTherm Pool Heater Page 27...
- Page 28 : / / w w w. y o u t u b e . com/user/LaarsHeating Laars Heating Systems Company reserves the right to change specifications, components, features, or to discontinue products without notice. 800.900.9276 • Fax 800.559.1583...