Laars Pennant PNCH Installation And Operation Instructions Manual Download | Manualshive

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LAARS Heating Systems

Page 26

Figure 15. W

iring Diagram, Sizes 1250-1500.

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Summary of Contents for Pennant PNCH

Page 1: ... 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 AVERTISSEMENT Assurez vous de bien suivres les ins...

Page 2: ...3 Water Flow Requirements Water Heater 17 4B 4 Combined Water potable Heating and Space Heating 17 4B 5 Freeze Protection Water Heater 17 SECTION 5 Electrical Connections 5 1 Main Power 20 5 1 1 Sizes 500 1500 21 5 1 2 Sizes 1750 2000 21 5 1 3 Separate Pump Circuit 21 5 1 4 All Sizes 21 5 2 Field Wiring 21 5 3 Low Water Cut Off 22 SECTION 6 Operating Instructions 6 1 Filling the Boiler System 28 6...

Page 3: ...commotion électrique de feu ou d autre nature qui pourraient causer des dommages matériels des blessures ou des accidents mortels les chaudières à eau chaude ou les chauffe eau Pennant doivent être installés conformément aux directives détaillées contenues dans ce manuel à défaut de quoi la garantie fournie par Laars Heating Systems serait annulée L installation doit être conforme aux exigences de...

Page 4: ...a limited warranty Owners should submit online warranty registration at www Laars com All warranty claims must be made to an authorized Laars Heating Systems representative directly to Customer Service or online at www Laars com Claims must include the serial number and model this information can be found on the rating plate installation date and name of the installer Shipping costs are not includ...

Page 5: ...15 40 5 15 29 76 33 86 7 20 8 22 46 117 6 15 8 20 6 15 750 45 116 21 55 5 15 29 76 33 86 7 20 8 22 58 147 8 20 10 25 8 20 1000 57 146 28 73 5 15 29 76 33 86 7 20 7 18 70 178 8 20 10 25 8 20 1250 68 172 34 86 101 8 26 30 78 311 8 79 8 22 8 22 80 203 12 30 12 30 8 20 1500 78 199 39 101 101 8 26 30 78 311 8 79 8 22 8 22 91 231 12 30 12 30 8 20 1750 89 226 44 113 101 8 26 30 78 311 8 79 8 22 8 22 101 ...

Page 6: ...ger piping runs then larger diameter tubing may be acceptable Consult the factory for assistance 1 8 Locating Appliance for Correct Horizontal Vent Ducted Air Distance From Outside Wall The forced draft combustion air blower s in the appliance has have sufficient power to pull air and vent properly when the guidelines for horizontal air and vent are followed see Table 2 NOTE On some models the ven...

Page 7: ...total input rating of all equipment in the enclosure Table 3 shows data for this sizing method for each Pennant model Method 2 One permanent opening commencing within 12 inches 30 cm of the top of the enclosure shall be permitted The opening shall directly communicate with the outdoors or shall communicate through a vertical or horizontal duct to the outdoors or spaces that directly communicate wi...

Page 8: ... Fuel Gas Code ANSI Z223 1 Latest Edition in the U S or in Canada to the Natural Gas and Propane Installation Code CSA B149 1 latest edition The vent system must be sized and installed for a Category I Fan Assisted Appliance If chimney height is greater than 25 feet or if multiple units are vented into the same vertical vent a barometric damper must be installed on each appliance such that the flu...

Page 9: ...ing system manufacturer s installation instructions The vent system must be sealed stainless steel per Table 5 Route the vent pipe to the heater as directly as possible Seal all joints and provide adequate hangers as required in the venting system manufacturer s installation instructions Horizontal portions of the venting system must be supported to prevent sagging and may not have any low section...

Page 10: ...o non mechanical air supply Direct Vent Only 12 inches 30 cm inlet to building or the combustion air inlet Other Than Direct Vent 4 feet 1 2 m below or 36 inches 91 cm to any other appliance to side of opening 1 foot 30 cm above opening K Clearance to a mechanical air supply inlet 3 feet 91 cm above if within 10 feet 3 m 6 feet 1 83 m horizontally L Clearance above paved sidewalk or paved Vent ter...

Page 11: ...stalled on the next adjacent floor level b In the event that the requirements of this subdivision cannot be met at the time of completion of installation the owner shall have a period of thirty 30 days to comply with the above requirements provided however that during said thirty 30 day period a battery operated carbon monoxide detector with an alarm shall be installed 2 APPROVED CARBON MONOXIDE D...

Page 12: ...ombustion air is taken from the roof the combustion air must terminate at least 12 30cm below the vent terminal see Figure 2 2 3 4 Vertical Combustion Air Terminal When combustion air is 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 The opening on the end of the terminal must be at least 12 30cm above the point at whi...

Page 13: ...aire fonctionner le brûleur principal pendant 5 min ensuite déterminer si le coupe tirage déborde à l ouverture de décharge Utiliser la flamme d une allumette ou d une chandelle ou la fumée d une cigarette d un cigare ou d une pipe 6 Une fois qu il a été déterminé selon la méthode indiquée ci dessus que chaque appareil raccordé au système d évacuation est mis à l air libre de façon adéquate Remett...

Page 14: ...sing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 0 5 psig 3 45 kpa 10 The appliance and its gas connection must be leak tested before placing it in operation 11 Purge all air from gas lines WARNING Do not use open flame to check for leaks An open flame could lead to explosion which could result in property ...

Page 15: ...PIPING AND 30 FEET OF MINIMUM INLET WATER TEMP 70 F 3 Way Valve Mounted on Pennant Pump Mounted on Pennant C Figure 5 Hydronic Piping One Boiler Multi Temperature System THERMOMETER SENSOR TEMPERATURE GLOBE VALVE CHECK VALVE W FAST FILL BYPASS PRESSURE REDUCING VALVE WITH AIR SCOOP AND AUTO AIR VENT EXPANSION TANK 3 WAY VALVE VALVE VALVE PURGE PUMP ADDITIONAL REQUIREMENTS WITH LOCAL CODES AND ORDI...

Page 16: ...o refrigerated air circulation must be equipped with flow control valves or other automatic means to prevent gravity circulation of the boiler water during the cooling cycle A boiler installed above radiation level or as required by the authority having jurisdiction must be provided with a low water cutoff device either as a part of the boiler or at the time of boiler installation 4A 3 Water Flow ...

Page 17: ...storage tank system If the Pennant water heater is installed in a closed water supply system such as one having a backflow preventer in the cold water supply line the relief valve may discharge periodically due to thermal expansion Means such as a properly sized expansion tank shall be provided to control thermal expansion Contact the water supplier or local plumbing inspector on how to control th...

Page 18: ...17 grains hardness Hard Water more than 17 grains hardness GPM gallons per minute LPM liters per minute certified for outdoor installations such installations are not recommended in areas subject to freezing temperatures unless proper precautions are taken Power outage interruption of gas supply failure of system components activation of safety devices etc may prevent a heater from firing Any time...

Page 19: ...Low Temperature Pennant Page 19 Figure 7 Suggested Piping Multiple Water Heaters One Tank Figure 8 Suggested Piping One Water Heater Multiple Tanks ...

Page 20: ... around the boiler may be standing on wet floors and could be electrocuted by an ungrounded boiler AVERTISSEMENT L appareil doit être relié à la terre conformément aux exigences de la réglementation locale ou en l absence d une telle réglementation à la plus récente édition du National Electrical Code Code national de l électricité ANSI NFPA 70 aux États Unis et à la plus récente édition du Code C...

Page 21: ...2 N2 Ground Connect incoming power L2 to the main power switch using spade fork terminal From the other side of the main power switch connect to the main terminal block using a female insulated quick connect This will be the same position where the jumper had terminated see Figure 10 Connect N2 and Ground to the main terminal block using female insulated quick connect refer to Figure 10 5 1 4 All ...

Page 22: ... for the LWCO Follow LWCO Manufacturer s Wiring Instructions Mechanically install the LWCO device in a tee fitting in the supply piping above the highest point of the boiler unless the boiler has an existing fitting for that purpose Follow LWCO Manufacturer s Instructions for minimum pipe sizing Note This boiler is a water tube boiler that requires water flow through the heat exchanger for proper ...

Page 23: ...Low Temperature Pennant Page 23 Figure 12 Ladder Diagram Sizes 500 1000 ...

Page 24: ...LAARS Heating Systems Page 24 Figure 13 Ladder Diagram Sizes 1250 2000 ...

Page 25: ...Low Temperature Pennant Page 25 Figure 14 Wiring Diagram Sizes 500 1000 ...

Page 26: ...LAARS Heating Systems Page 26 Figure 15 Wiring Diagram Sizes 1250 1500 ...

Page 27: ...Low Temperature Pennant Page 27 Figure 16 Wiring Diagram Sizes 1750 2000 ...

Page 28: ...ignitor heat up time the main gas terminals will be energized attempting to light for four 4 seconds and then will de energize The unit will go into lockout mode Second turn the power off and then on again open the manual gas valve and allow the unit to light While the unit is operating close the manual gas valve and ensure that power to the main gas valve has been cut 16 Within three 3 days of st...

Page 29: ...displays the temperature at the system sensor After the temperature is displayed the current settings parameters may be viewed To scroll through the parameters press the down arrow button to advance to the next parameter Press the enter button to choose that parameter Press the up or down arrow to raise lower or toggle to value of that parameter Press enter to save a changed value By depressing th...

Page 30: ... the gas supply fail to shut off turn off the manual gas control valve to the appliance 6 4 Limit Controls Pennant appliances are fitted with an automatic reset high limit and a manual reset high limit both sensing the outlet temperature of the Pennant Water heater high limits are adjustable up to 200 F 93 C and boiler high limits are adjustable up to 240 F 116 C To set the limit controls remove t...

Page 31: ...nce the CO2 or O2 has been set the manifold pressure may be adjusted Remove the 1 8 NPT plug from the lower side of the gas valve that is to be set and install a fitting hose and manometer Start the appliance and observe the manifold pressure Manifold pressure must be adjusted to 3 0 in W C 0 75 kPa for high altitude only standard operating pressure is 2 5 in W C 0 62 kPa It is adjusted by removin...

Page 32: ...r operation after servicing Attention Lors d entretien ou de réparation des commandes étiquetez tous les câbles avant de les déconnecter Des erreurs de câblage peuvent provoquer des fonctionnements incorrects et dangereux Après toute intervention d entretien ou de réparation vérifier que l appareil fonctionne correctement See Figures 17 and 18 for locations of gas train and control components The ...

Page 33: ...rs ordered with low temperature controls To replace the switch shut off the 120 volt power to the appliance Remove the cover from the switch to access the mounting screws Remove the screws and pull the switch off the control panel Remove the capillary and bulb from the thermal well located in the header Replace in reverse order 7 2 5 Automatic Reset High Limit Control An automatic reset high limit...

Page 34: ...y to the unit Remove the front panel Disconnect the blower s wire harness Remove the screws at the blower flange and pull the blower out Replace blower in reverse order ensuring that all joints are made correctly After replacement ensure that the unit operates properly by following the set up procedure in this manual 7 2 11 Flow Switch The Pennant uses a paddle type flow switch to ensure that the ...

Page 35: ...trategy incorrect set points or a load distribution problem The boiler controls must be set such that the heating loop temperature setpoint does not interfere with 1 Disconnect the electrical supply to the unit 2 Turn off the gas supply by closing the manual gas valve on the heater 3 Disconnect and remove the wires conduit and sensors from all components that are attached to the inlet outlet heade...

Page 36: ...5 in w c 0 37 kPa as a starting point by adjusting the air shutter s at the intake of the fan s Check the CO2 and adjust the air shutters if further adjustment to the CO2 is needed 8 6 Troubleshooting Pennant Controls A diagnostic panel that includes test points as well as diagnostic lights is provided in the control module It is located on the right side of the module behind the display To access...

Page 37: ... 20C3002 20C3002 20C3002 20C3002 14 Collar Vent 5C3106 10C3100 10C3100 15C3100 15C3100 20C3100 20C3100 16 Air Filter R2014700 R2014700 R2014700 R2014700 R2014700 R2014700 R2014700 1 1 1 2 2 2 2 16A Trim Jacket Front 5C3019 7C3019 10C3019 12C3019 15C3019 17C3019 20C3019 16B Housing Rain Shield Pump 5C3015 5C3015 5C3015 5C3015 5C3015 5C3015 5C3015 16C Cover Housing Pump 5C3016 5C3016 5C3016 5C3016 5...

Page 38: ...5600 T2015600 2 2 2 2 2 2 2 34 Tile Front T2017300 1 35 Tile Front Left Side T2016200 T2016800 T2016800 T2016800 T2016800 T2016800 1 1 1 1 1 1 35A Tile Front Right Side T2016300 T2017100 T2017900 T2017100 T2017900 T2017100 1 1 1 1 1 1 35B Tile Front Center T2016900 T2016900 T2016900 T2016900 1 1 2 2 36 Tile Rear T2015700 1 37 Tile Rear Left Side T2017500 T2016600 T2016600 T2016600 T2016600 T201660...

Page 39: ...50301 20150301 20150301 20150301 20150301 20150301 20150303 51 Flow Switch RE0013000 RE0013000 RE0013000 RE0013000 RE0013000 RE0013000 RE0013000 52 Gauge Temperature Pressure RA0079000 RA0079000 RA0079000 RA0079000 RA0079000 RA0079000 RA0079000 54 Low Water Cutoff R0021901 R0021901 R0021901 R0021901 R0021901 R0021901 R0021901 55 Pump Housing Glass lined Cast Iron R20607600 R20607600 R20607600 R206...

Page 40: ...E2040500 E2040500 74 Transformer E2310400 E2310400 E2310400 E2312800 E2312800 E2312800 E2312800 2 2 2 2 75 Circuit Breaker non CSD 1 E2210600 E2210600 E2210600 E2318800 E2318800 E2318900 E2318900 Circuit Breaker CSD 1 E2210600 E2318800 E2318800 E2318800 E2318800 E2318900 E2318900 75A Switch Rocker main power not shown E2343300 E2343300 E2343300 E2343300 E2343300 E2343300 E2343300 Sensor Universal ...

Page 41: ...12900 L2012900 L2012900 L2012900 L2012900 1 1 2 1 1 Burner Manifold 3 Burners Left L2012800 L2012800 L2012800 L2012800 L2012800 1 1 3 1 2 Burner Manifold 4 Burners Right L2012700 L2012700 L2012700 L2012700 1 1 1 2 Burner Manifold 4 Burners Left L2012600 L2012600 L2012600 L2012600 2 2 2 4 81 Burner Tray 3 Burners L2012200 L2012200 L2012200 L2012200 2 3 5 2 3 Burner Tray 4 Burners L2012500 L2012500 ...

Page 42: ...LAARS Heating Systems Page 42 Figure 19 Sheet Metal Components DETAIL A TYPICAL CONTROLLER COMPONENT DETAIL A TYPICAL CONTROLLER COMPONENTS ...

Page 43: ...29 30 80 79 78 77 76 27 A B 81 82 32 17 18B 21 19 20 18A 18 23 25 26 41 22 59 24 SEE ENLARGEMENT DETAIL A ON NEXT PAGE 60 61 62 36 37 37B 39B 39A 37A 33 35A 33 34 35 35B 38 39 NOTES Model 2000 shown for reference SEE ENLARGEMENT DETAIL B ON NEXT PAGE ON PREVIOUS PAGE ...

Page 44: ...t Hydronic Boiler SIZE TACO PUMP P N B G PUMP P N 500 A2117201 A2121803 750 A2117201 A2121803 1000 A2117202 A2121802 1250 A2117202 A2121802 1500 A2117203 A2121801 1750 A2117203 A2121801 2000 A2117204 A2121800 Pennant Water Heater with B G Pump B G PUMP P N SIZE Soft Water Normal Water Hard Water 500 A2121803 A2121803 A2121801 750 A2121803 A2121803 A2121801 1000 A2121803 A2121802 A2121801 1250 A212...

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