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Installation and Operation Instructions
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.
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.
H2311900D
WARNING
Installation and Operation
Instructions for
Pennant
Pool Heater
Model PNCP
U.S. Reg. 2,765,423
AVERTISSEMENT
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 3164D
™
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Summary of Contents for Laars PNCP
- Page 1 Instructions for Pennant ™ Pool Heater Model PNCP U.S. Reg. 2,765,423 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.
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Page 2: Table Of Contents
LAARS Heating Systems Page 2 TABLE OF CONTENTS SECTION 1. 5.3.5 Pump Operation ........... 16 5.3.6 Heater Purge (Pump Delay) - PD ....16 General Information Limit Controls..........16 Introduction ............. 3 Model Identification......... 3 SECTION 6. Warranty ............4 Operating Instructions Dimensions ............. -
Page 3: General Information
Laars Heating Systems warranty All electrical wiring is to be done in accordance may be voided. The installation must conform to the with the local codes, or in the absence of local codes, requirements of the local jurisdiction having with: 1). -
Page 4: Warranty
1.4 Dimensions 2 = Second version (See Figure 1.) 14 Heat Exchanger B = Glass-lined CI / copper / brz trim (std. PNCP) 1.5 Locating the Appliance K = Bronze / copper The appliance should be located to provide P = Glass-lined cast iron / cu-nickel / brz trim clearances on all sides for maintenance and inspection. - Page 5 Pennant Pool Heater Page 5 Shipping Weight Size lbs. 1000 1250 1500 1750 Dimensions shown in inches cm VENT HORIZ. CONN. CONN. VENT SIZE PIPE 33½ 15¾ 40 5¾ 29¾ 76 32¾ 83 7¾ 20 8¾ 22 46 117 6 15 8 20 6 15 45½...
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Page 6: Locating Heater With Respect To Pool System Loop
LAARS Heating Systems Page 6 1.6 Locating Heater with Respect to Pool SECTION 2. System Loop Venting and Combustion Air For the best results, the Pennant should be located within 15 feet (4.6m) of the pool system loop. 2.1 Combustion Air The pump is sized for 30 feet (9.1m) of piping. -
Page 7: Intake Combustion Air
(without the use of a power venter) are Laars horizontal wall terminal (see Table 1). When considered Category III vent systems. taken from the roof, a field-supplied rain cap or an elbow arrangement must be used to prevent entry of rain water (see Figure 2). -
Page 8: Category I Vent
2.3.1 Side Wall Vent Terminal gasses into living spaces, common venting should The Laars side wall vent hood (listed in Table 1) not be applied, and appliances should each be must be used when the heater is vented through a side vented separately. -
Page 9: Side Wall Combustion Air Terminal
Corrosion of and/or damage to the pool heater may requires that it be at least 12 inches (30 cm) result. The Laars side wall combustion air terminal above grade, but the installer may determine it (listed in Table 1) must be used when the unit takes its should be higher, depending upon local combustion air through a duct from a side wall. -
Page 10: Vertical Vent Terminal
LAARS Heating Systems Page 10 cannot be blocked by snow. The National Fuel 2.4 Vent Terminals for Outdoor Units Gas Code requires that it be at least 12 inches For outdoor applications, the vent and (30 cm) above grade, but the installer may... -
Page 11: Gas Supply And Piping
1/2 PSIG (3.45kpa). Verify that the appliance is fitted for the proper 10. The appliance and its gas connection must be type of gas by checking the rating plate. Laars leak tested before placing it in operation. Heating Systems appliances are normally 11. -
Page 12: Water Connections
LAARS Heating Systems Page 12 temperature at or above 120°F (49°C) (see Figure 5). SECTION 4. This keeps cold return water from causing condensing Water Connections on the outside of the Pennant heat exchanger. IMPORTANT NOTE: Since heater outlet 4.1 Piping temperatures can reach 150°F (66°C) in some cases,... -
Page 13: Automatic Chlorinators
Pennant Pool Heater Page 13 4.2 Automatic Chlorinators SECTION 5. A concentration of chlorine in the heater can be Electrical Connections very destructive; therefore the following rules about the installation and operation of such devices must be WARNING followed: The appliance must be electrically grounded in The chlorinator should be installed so it introduces accordance with the requirements of the authority the gas or solution downstream of the heater. -
Page 14: Auxiliary Time Clock Wiring
LAARS Heating Systems Page 14 spade (fork) terminal. From the other side of the main 5.2 Temperature (Operating) Control power switch connect to the main terminal block using The Pennant temperature control operates by a ¼" female insulated quick connect. This will be the... -
Page 15: Setpoint - Lsp
Pennant Pool Heater Page 15 button. The setpoint will be displayed. Press the up The last parameter that may be adjusted is Pd, the arrow or down arrow buttons until the desired setpoint pump off delay. After again scrolling through the is displayed. -
Page 16: Differential - Dls
LAARS Heating Systems Page 16 5.3.4 Differential - dLS SECTION 6. The differential (dLS) is the number of degrees Operating Instructions between the temperature at which the heater turns off and the temperature at which the heater restarts. It is 6.1 Sequence of Operation... -
Page 17: Filling The Heater System
Pennant Pool Heater Page 17 If a call for heat is prevented from being satisfied ignition, strong exhaust odors, etc. can be due to either by a safety interlock or due to an ignition improper setup. Damage to the heater resulting from lockout, the red “Service”... -
Page 18: High Altitude Adjustment And Set Up
LAARS Heating Systems Page 18 again and the burner will start. The will have changed when the manifold pressure was appliance will return to its previous mode adjusted. Open the air shutter(s) to reduce the CO of operation. to the values achieved previously. -
Page 19: Spring And Fall Operation Stand-By Service
• Pregnant women beware! Soaking in water Improper use of the heater: The Laars PNCP above 102°F (39°C) can cause fetal damage pool heater is not designed for continuous use as during the first three months of pregnancy a “anti-freezing”... -
Page 20: Maintenance
Disconnect the wires to the valve. Component Description Disengage the flanged fitting before and after the Only genuine Laars replacement parts should be used. valve, and remove the valve. Re-install in reverse Caution order. Ensure o-rings are properly installed for both Label all wires prior to disconnection when servicing inlet and outlet. -
Page 21: Temperature Control
Pennant Pool Heater Page 21 the appliance. Remove the cover from the switch to a transformer need replacing, shut off the 120-volt access the mounting screws. Remove the screws, and power. Unplug the transformer wires, remove the pull the switch off the control panel. Remove the mounting screws and remove the transformer. -
Page 22: Trouble Shooting
5" w.c., water flow. If the tubes show signs of scaling, ignitor failure may be the cause. Check the clean the internal surface. Laars offers a tube ignitor by unplugging it, allowing it to cool to cleaning kit part number R0010000. -
Page 23: High Gas Consumption
1 & 2 on the 10 pin connector. Check that 9.1 General Information the sensor temperature is lower than the setpoint To order or purchase parts for the Laars Pennant, temperature by at least the differential setting. If this is contact your nearest Laars dealer or distributor. If they... - Page 24 LAARS Heating Systems Page 24...
- Page 25 Pennant Pool Heater Page 25...
- Page 26 LAARS Heating Systems Page 26...
- Page 27 Pennant Pool Heater Page 27...
- Page 28 LAARS Heating Systems Page 28...
- Page 29 Pennant Pool Heater Page 29...
- Page 30 LAARS Heating Systems Page 30 Figure 10. Sheet Metal Components.
- Page 31 Pennant Pool Heater Page 31 Figure 11. Internal Components.
- Page 32 LAARS Heating Systems Page 32 Enlargement from previous page Figure 12. Heat Exchanger Components.
- Page 33 Pennant Pool Heater Page 33 SECTION 10. Wiring Diagrams Figure 13. Pennant 500 - 1000 Ladder Diagram.
- Page 34 LAARS Heating Systems Page 34 Figure 14. Pennant 1250 - 2000 Ladder Diagram.
- Page 35 Pennant Pool Heater Page 35 Figure 15. Pennant 500 - 1000 Wiring Schematic.
- Page 36 LAARS Heating Systems Page 36 Figure 16. Pennant 1250 - 1500 Wiring Schematic.
- Page 37 Pennant Pool Heater Page 37 Figure 17. Pennant 1750 - 2000 Wiring Schematic.
- Page 38 LAARS Heating Systems Page 38 Figure 18. Field Wiring.
- Page 39 Pennant Pool Heater Page 39...
- Page 40 (Customer Service, Service Advisors & Technical Support) 20 Industrial Way, Rochester, NH 03867 • 603.335.6300 • Fax 603.335.3355 (Applications Engineering) 1869 Sismet Road, Mississauga, Ontario, Canada L4W 1W8 • 905.238.0100 • Fax 905.366.0130 www.Laars.com Litho in U.S.A. © Laars Heating Systems 1201 Document 3164D...