HTP 500 HL Installation & Start-Up Instructions Download | Manualshive

Page: 1 / 80

background image

120 Braley Rd. P.O. Box 429 East Freetown, MA 02717-0429 www.htproducts.com

LP- 446 REV. 9.3.14

Mod Con VWH

INSTALLATION

START-UP

MAINTENANCE

PARTS

VWH Models

500 / 850

LP / HL / LPHL

THIS MANUAL IS FOR USE WITH MOD CON BOILERS MANUFACTURED AFTER

DECEMBER 1, 2012

Heat Exchanger Bears

the ASME “H” Stamp

Improper installation, adjustment, alteration, service, or maintenance could void product warranty and cause property damage, personal
injury, or death.

NOTICE:

HTP reserves the right to make product changes or updates without notice and will not be held liable for typographical errors

in literature.

The surfaces of these products contacted by consumable water contain less than 0.25% lead by weight, as required by the Safe
Drinking Water Act, Section 1417.

NOTE TO CONSUMER: PLEASE KEEP ALL INSTRUCTIONS FOR FUTURE REFERENCE.

This manual must only be used by a qualified heating installer/service technician. Read all instructions in this manual before installing.
Perform steps in the order given. Failure to comply could result in substantial property damage, severe personal injury, or death.

1
2
3
...
»

Summary of Contents for 500 HL

Page 1: ...th NOTICE HTP reserves the right to make product changes or updates without notice and will not be held liable for typographical errors in literature The surfaces of these products contacted by consumable water contain less than 0 25 lead by weight as required by the Safe Drinking Water Act Section 1417 NOTE TO CONSUMER PLEASE KEEP ALL INSTRUCTIONS FOR FUTURE REFERENCE This manual must only be use...

Page 2: ...CINITY 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 neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be provided by a qualified installer...

Page 3: ...department building official or electrical inspector or others having statutory authority In some circumstances the property owner or his her agent assumes the role and at government installations the commanding officer or departmental official may be the AHJ NOTE HTP Inc reserves the right to modify product technical specifications and components without prior notice FOR THE INSTALLER This applia...

Page 4: ...ater flow or very low heat load the control will reduce the maximum fan speed If the temperature difference exceeds 60 F the control will effectively sense there is little or no water flow or heat load and shut the boiler down The controller will restart automatically once the temperature difference has dropped below 55 F and the minimum off time anti cycle time has expired In addition if the cont...

Page 5: ...2 C GAS TABLE 42 D CHECK INLET GAS PRESSURE 43 E GAS VALVE 44 PART 7 FIELD WIRING 46 A INSTALLATION MUST COMPLY WITH 46 B FIELD WIRING TERMINATIONS 46 C FIELD WIRING CONSIDERATIONS 46 D LINE VOLTAGE WIRING 47 E ALARM CONNECTIONS 47 F LOW VOLTAGE CONNECTIONS FOR STANDARD BOILER 48 G TANK SENSOR OR MECHANICAL CONTROL 48 H SYSTEM PIPE SENSOR 48 I OPTIONAL HIGH GAS PRESSURE SWITCH 48 J OPTIONAL LOW GA...

Page 6: ...OMER INSTALLATION RECORD FORM 80 PART 1 GENERAL SAFETY INFORMATION A PRECAUTIONS This appliance is for indoor installations only Clearance to combustible materials 0 top bottom sides and back Front must have room for service 24 recommended A combustible door or removable panel is acceptable front clearance This appliance has been approved for closet installation Do not install this appliance direc...

Page 7: ... BOILER To avoid electric shock disconnect electrical supply before performing maintenance To avoid severe burns allow boiler to cool before servicing E BOILER WATER Do not use petroleum based cleaning or sealing compounds in a boiler system These products may damage gaskets and seals in the system This can result in substantial property damage Do not use homemade cures or boiler patent medicines ...

Page 8: ... 598 1 658 1 687 1 723 110 o 1 370 1 430 1 459 1 495 120 o 1 199 1 259 1 288 1 324 130 o 1 065 1 125 1 154 1 190 140 o 959 1 019 1 048 1 084 150 o 872 932 961 997 160 o 799 859 888 924 170 o 738 798 827 863 180 o 685 745 774 810 Table 2 Mod Con 850 VWH Recovery Ratings with Storage Tanks and 40 o F Inlet Temperature Min Tank Size gal Required Flow GPM x 10 Mixing Factor Mf VWH Outlet Temp 40 70 Fi...

Page 9: ...dition to its own boiler pump Each of the follower boilers has an individual pump NOTE When using a system sensor pipe insulation must be wrapped around it to improve temperature measurement accuracy and increase overall system efficiency System Display and Operational LED Light Indicators The display allows the user to change the system parameters and monitor system outputs Gas Valve Senses sucti...

Page 10: ...allation could result in wasted time money and possible property damage and personal injury A BEFORE LOCATING THE BOILER Incorrect ambient conditions can lead to damage to the heating system and put safe operation at risk Ensure that the boiler installation location adheres to the information included in this manual Failure to do so could result in property damage serious personal injury or death ...

Page 11: ...ce an existing boiler check for and correct any existing system problems such as System leaks Location that could cause the system and boiler to freeze and leak Incorrectly sized expansion tank 6 Clean and flush system when reinstalling a boiler NOTE When installing in a zero clearance location it may not be possible to read or view some product labeling It is recommended to make note of the boile...

Page 12: ...12 LP 446 REV 9 3 14 Figure 2 Dimensions and Specifications ...

Page 13: ...rized as direct vent sealed combustion Note To prevent combustion air contamination see Table 3 in this section when considering exhaust vent and intake pipe termination Exhaust vent and intake pipe must terminate near each other and may be vented vertically through the roof or out a side wall Exhaust vent and intake piping methods are detailed in the Venting Section Do not attempt installation us...

Page 14: ...xisting boiler the following steps must be followed 1 Seal any unused openings in the common venting system 2 Visually inspect the venting system for proper size and horizontal pitch to determine if there is blockage leakage corrosion or other defi ciencies that could cause an unsafe condition 3 If practical close all building doors windows and all doors between the common venting system and other...

Page 15: ...only be done by a qualified licensed plumber in accordance with all local plumbing codes The boiler is designed to be connected to a storage tank to supply domestic hot water HTP offers 80 119 175 gallon size storage tanks in either Stainless Steel or Glass lined construction These storage tanks will be directly connected to the Boiler supply and return connection A GENERAL PIPING INFORMATION The ...

Page 16: ... SUBSTANTIAL PROPERTY DAMAGE SEVERE PERSONAL INJURY OR DEATH C SYSTEM WATER PIPING METHODS EXPANSION TANK AND MAKE UP WATER 1 Ensure that the expansion tank is sized to correctly handle boiler and system water volume and temperature HEATER WATER VOLUME 500 VWH 4 2 Gallons 850 VWH 5 8 Gallons Table 4 2 The expansion tank must be located as shown in Piping Diagrams or following recognized design met...

Page 17: ...Table 5 details the relationship of water temperature and time with regard to scald injury and may be used as a guide in determining the safest water temperature for your applications The table below represents the combined flow rates and pipe sizes when using multiple boilers to design the manifold system for the primary circuit To size simply add up the number of boilers and the required flow ra...

Page 18: ...e rise through the Mod Con along with the respective flow and friction loss which will aid in circulator selection SYSTEM TEMPERATURE RISE CHART 20 o t 25 o t 30 o t MODEL Friction Feet Flow GPM Friction Feet Flow GPM Friction Feet Flow GPM MODCON500 19 50 11 40 8 33 MODCON850 35 85 26 65 18 54 Table 8 Temperature Rise Chart ...

Page 19: ...to convert to grains per gallon Water may be classified as very soft slightly hard moderately hard or hard based on its hardness number The minerals in the water precipitate out when the water is heated and cause accelerated lime and scale accumulation on a heat transfer surface If the hardness of the water exceeds the maximum level of 7 grains per gallon water should be softened to a hardness lev...

Page 20: ... 2000 ppm Sodium 20 mGL NOTE It is recommended you clean heat exchanger at least once a year to prevent lime scale buildup Follow the maintenance procedure to clean the heat exchanger in the Maintenance Section Part 12 of this manual Piping components Water heating system piping Water boiler system piping MUST be sized per technical pipe requirements listed in Table 7 Reducing pipe size can restri...

Page 21: ...21 LP 446 REV 9 3 14 H PIPING DIAGRAMS Figure 6 ...

Page 22: ...t ball valves for isolation The alternative is standard flanges with full port ball valves and a separate flow check valve 7 Install a minimum of 12 diameters of straight pipe upstream of all circulators and check valves 8 Install a vacuum relief valve in accordance with local code requirements 9 Multiple boilers and storage tanks shall be installed with reverse return piping as shown 10 Mixing va...

Page 23: ...t ball valves for isolation The alternative is standard flanges with full port ball valves and a separate flow check valve 7 Install a minimum of 12 diameters of straight pipe upstream of all circulators and check valves 8 Install a vacuum relief valve in accordance with local code requirements 9 Multiple boilers and storage tanks shall be installed with reverse return piping as shown 10 Mixing va...

Page 24: ... valve 7 Install a minimum of 12 diameters of straight pipe upstream of all circulators and check valves 8 Install a vacuum relief valve in accordance with local code requirements 9 Multiple boilers and storage tanks shall be installed with reverse return piping as shown 10 Mixing valves are recommended on all tanks if hot water temperature is above 119o F 11 Expansion tank must be rated for use w...

Page 25: ...k valve 7 Install a minimum of 12 diameters of straight pipe upstream of all circulators and check valves 8 Install a vacuum relief valve in accordance with local code requirements 9 Multiple boilers and storage tanks shall be installed with reverse return piping as shown 10 Mixing valves are recommended on all tanks if hot water temperature is above 119o F 11 Expansion tank must be rated for use ...

Page 26: ...k valve 7 Install a minimum of 12 diameters of straight pipe upstream of all circulators and check valves 8 Install a vacuum relief valve in accordance with local code requirements 9 Multiple boilers and storage tanks shall be installed with reverse return piping as shown 10 Mixing valves are recommended on all tanks if hot water temperature is above 119o F 11 Expansion tank must be rated for use ...

Page 27: ...nsor connected to the DHW sensor terminals on the follower boiler addressed as 1 14 The system pipe sensor must be placed on common piping to the tank as close to the tank as possible 15 The system pipe sensor is wired to the system sensor terminals on the master boiler PART 5 VENTING COMBUSTION AIR AND CONDENSATE REMOVAL The boiler must be vented as detailed in this Venting Section Ensure exhaust...

Page 28: ...gas leakage Ensure the exhaust vent pipe is properly beveled and seated before insertion into the flue adapter Failure to do so could result in property damage severe personal injury or death Due to the extreme flammability of most glues cements solvents and primers used to join plastic exhaust vent and intake pipes explosive solvent vapors must be cleared from all vent piping before start up Avoi...

Page 29: ...esult in product damage severe personal injury or death For closet and alcove installations CPVC polypropylene or stainless steel venting material MUST BE USED Failure to follow this statement could result in product damage severe personal injury or death NOTE The use of double wall vent or insulated material for the combustion air inlet pipe is recommended in cold climates to prevent the condensa...

Page 30: ...em shall terminate at least 3 feet 0 9 m above any forced air intake located within 10 ft 3 m NOTE This does not apply to the combustion air intake of a direct vent appliance Provide a minimum of 1 foot distance from any door operable window or gravity intake into any building Provide a minimum of 1 foot clearance from the bottom of the exhaust above the expected snow accumulation level Snow remov...

Page 31: ...sate collection system with an internal float switch monitors the condensate level to prevent it from backing up into the combustion system There is a sweat connection provided to connect the outlet of the collection system to a drain or condensate pump See Table 11 for approved condensate piping material APPROVED PLASTIC CONDENSATE PIPING MATERIAL MATERIAL STANDARDS FOR INSTALLATION IN UNITED STA...

Page 32: ...o properly drain If this cannot be done or a very long length of condensate hose is used you must increase the condensate line to a minimum of 1 ID and place a tee in the line after the condensate neutralizer to properly reduce vacuum lock in the drain line 2 Plastic pipe should be the only material used for the condensate line Steel brass copper or other materials will be subject to corrosion or ...

Page 33: ...1 1 Coupling 0 0 0 Tee intake only 0 0 0 V Series Vent Kit 1 1 1 AL20 4C Vent Terminal 1 1 1 Pipe All Materials 1 1 1 Table 12 Friction Loss in Equivalent Feet Friction loss for long radius elbow is 1 less b For example If the exhaust vent has two short 90 o elbows and 10 feet of PVC pipe we will calculate Exhaust Vent Equivalent Length 2x3 10 16 feet Further if the intake pipe has two short 90 o ...

Page 34: ...tion 15 A screened inlet air tee is provided with the appliance to be used as an outside intake termination H BOILER REMOVAL FROM A COMMON VENT SYSTEM When removing an existing boiler the following steps must be followed 1 Seal any unused openings in the common venting system 2 Visually inspect the venting system for proper size and horizontal pitch to determine if there is blockage leakage corros...

Page 35: ...back to the boiler to allow drainage of condensate Exhaust connection insertion depth should be a minimum of 2 for 500 models and 3 for 850 When placing support brackets on vent piping the first bracket must be within 1 of the appliance and the balance at 4 intervals on the vent pipe Boiler venting must be readily accessible for visual inspection for the first three feet from the boiler ...

Page 36: ...the boiler to allow drainage of condensate Exhaust connection insertion depth should be a minimum of 2 for 500 models and 3 for 850 When placing support brackets on vent piping the first bracket must be within 1 of the appliance and the balance at 4 intervals on the vent pipe Boiler venting must be readily accessible for visual inspection for the first three feet from the boiler ...

Page 37: ...per foot back to the boiler to allow drainage of condensate Exhaust connection insertion depth should be a minimum of 2 for 500 models and 3 for 850 When placing support brackets on vent piping the first bracket must be within 1 of the appliance and the balance at 4 intervals on the vent pipe Boiler venting must be readily accessible for visual inspection for the first three feet from the boiler ...

Page 38: ...intain 12 minimum clearance above highest anticipated snow level or grade whichever is greater D Minimum 12 between vents when installing multiple vents E 12 minimum beyond air intake All vent pipes must be glued properly supported and the exhaust must be pitched a minimum of per foot back to the appliance to allow drainage of condensate When placing support brackets on vent piping the first brack...

Page 39: ... and 3 for 850 When placing support brackets on vent piping the first bracket must be within 1 of the appliance and the balance at 4 intervals on the vent pipe Boiler venting must be readily accessible for visual inspection for the first three feet from the boiler Take extra precaution to adequately support the weight of vent pipes terminating through the roof Failure to properly support roof term...

Page 40: ...mbustion and ventilation air is taken from the outdoors using a duct to deliver the air to the mechanical room each of the two openings should be sized based on a minimum free area of one square inch per 2000 BTU hr input See Figure 22 3 If air is taken from another interior space combined with the mechanical room a Two spaces on same story Each of the two openings specified should have a net free...

Page 41: ...N850 215 215 425 425 850 850 1700 285 Table 14 Indoor Combustion Air Sizing The above requirements are for the boiler only additional gas fired appliances in the mechanical room will require an increase in the net free area and or volume to supply adequate combustion air for all appliances No combustion air openings are needed when the boiler is installed in a space with a volume NO LESS than 50 c...

Page 42: ... unit is not designed to structurally support a large amount of weight 5 Purge all gas lines thoroughly to avoid start up issues with air in the lines 6 Sealing compound must be approved for gas connections Care must be taken when applying compound to prevent blockage or obstruction of gas flow which may affect the operation of the unit Failure to apply pipe sealing compound as detailed above coul...

Page 43: ...e proceed to Step 6 6 Exit Service mode then turn power off and shut off the gas supply at the manual gas valve before disconnecting the hose from the gas monitoring device Tighten the screw on the pressure tap turn gas on and check for leaks with a soapy solution If a leak is present bubbles will appear on the pipe Ensure the pressure tap screw is properly tightened to prevent gas leaks Failure t...

Page 44: ...44 LP 446 REV 9 3 14 E GAS VALVE Figure 26 Mod Con 500 Gas Valve ...

Page 45: ...TP Failure to use a conversion kit when converting the boiler to fire on Natural or LP gas will result in extremely dangerous burner operation leading to fire explosion severe injury or death Strain on the gas valve and fittings may result in vibration premature component failure and gas leakage and result in fire explosion property damage severe personal injury or death ...

Page 46: ...er chemistry is acceptable pumps may be wired directly to pump terminals If water chemistry levels are too high you must wire pumps to line voltage to run continuously to prevent lime buildup Pumps The Mod Con VWH application requires a circulator pump for each boiler Circulator pumps can be wired directly to the controller as shown in Figure 29 or wired directly to line voltage for continuous ope...

Page 47: ... strips for line voltage and low voltage wiring Special jacks are provided for trouble free cascade system wiring using standard CAT3 or CAT5 patch cables D LINE VOLTAGE WIRING NOTE A termination plug is included in the CAT 3 CAT 5 Bus Connection Point labeled J3 in Figure 29 DO NOT REMOVE THIS PLUG Doing so will affect boiler operation and void warranty Connect the incoming power wiring to the li...

Page 48: ... w c on the outlet side 2 Locate the two pigtails hanging from the electrical box inside of the boiler cabinet Remove and discard the jumper plug from one of the unused pigtails 3 Connect the high gas pressure switch to the pigtail that you removed the jumper plug from J OPTIONAL LOW GAS PRESSURE SWITCH 1 If an optional low gas pressure switch is used it should be installed on the inlet side of th...

Page 49: ...The communication bus jacks on the customer connection panel are interchangeable so you can use either one or both in any order to connect the cable If you have connected the boilers to each other properly there will be no open communication connection ports Figure 30 LP 205 JJ Figure 31 Cascade Resistor Plug Installation Detail M VWH CASCADE MASTER PUMP AND SENSOR WIRING 1 Place the cascade maste...

Page 50: ...e BOILER HOT BOILER NEUT and BOILER GND terminals 3 Connect the system sensor to the terminals marked SYS SENSOR 4 Do not connect anything to the OUTDOOR SENS or THERMOSTAT terminals 5 If 0 10 volt positive going DC signal input is used connect to marked terminals Figure 32 Mod Con VWH Cascade Master and Follower ...

Page 51: ...ollower boiler addressed as 1 There are no connections to these terminals on other follower boilers in the system 3 Do not connect anything to the OUTDOOR SENS 0 10V or THERMOSTAT terminals 4 If it is desired to monitor the boiler system to detect a lockout condition a dry contact alarm relay is provided Please see Figure 32 for wiring suggestions for this relay Note that the alarm output of the b...

Page 52: ...52 LP 446 REV 9 3 14 Figure 33 Mod Con Internal Connection Diagram LP 428 K ...

Page 53: ... water treatment companies for unusually hard water areas above 7 grains hardness Chlorine concentration less than 100 ppm 1 Using chlorinated fresh water should be acceptable since drinking water chlorine levels are typically less than 5 ppm 2 Do not connect the heater to directly heat a swimming pool or spa water 3 Do not fill heater or operate with water containing chlorine in excess of 100 ppm...

Page 54: ...perature and stand by waiting for a demand for hot water If the temperature of the tank sensor falls below the tank set point minus the tank differential temperature a demand for hot water is generated by the control When a demand for hot water is received the control begins the following demand sequence The heater first turns on the pump if it is not wired to run continuously Once the pump is run...

Page 55: ...ITION If any heaters including the master heater in the cascade system are in a lockout condition the master control will recognize the lockout condition and skip over the heater in the firing sequence Each heater in the cascade system is responsible for its own safety functions So if any individual heater control senses an unsafe condition it will extinguish the burner and if necessary go to a lo...

Page 56: ...idence of a gas leak shut down the heater at once Find the leak source with a bubble test and repair immediately Do not start the heater again until the leak is repaired Failure to comply could result in substantial property damage severe personal injury or death A CONTROL OVERVIEW The control is one of the primary safety devices of the heater It monitors the safety sensors of the heater to assure...

Page 57: ... outlined within this section If a cascade system is used it is important that the Master Heater is programmed with the correct system settings 5 Create a demand on the heater or heaters if a cascade system is used The user can monitor system functions when the heaters are operational 6 If the heaters fail to start refer to the troubleshooting section in the back of this manual D PROGRAMMING HEATE...

Page 58: ... the heater such as the tank thermostat is turned off so the heater will remain idle to allow programming SCREEN DESCRIPTION ENTER MENU CODE 000 To access the heater setting program press and hold the ENTER Key for 4 seconds until the display shows the screen at left ENTER MENU CODE 925 Using the arrow keys on the display log in your System Menu Access Code 925 To confirm code press ENTER to acces...

Page 59: ...ooster Board 0 10 Volt DHW Sensor Return Sen Function 17 0 10 Volt Function 0 10 VOLT FUNCTION TEMPERATURE 17 Allows the user to control heater modulation through temperature control Factory Default Temperature Temperature only on VWH Function 18 Step Modulation Mode STEP MODULATE MODE ON 18 Not applicable on this product Function 19 Heater DHW Temp HEATER SUPPLY DHW 180 o F 19 Not applicable on t...

Page 60: ...etween digits When you ve made your selection press ENTER again SCREEN DESCRIPTION Function 33 Year SERVICE SCHEDULE YEAR 00 00 2000 33 Allows the user to set the year of the next service reminder Hours SERVICE SCHEDULE 10000 s 000000h 33 Allows the user to set the left two digits of the amount of run hours before next service reminder Function 34 Month SERVICE SCHEDULE MONTH 00 00 2000 34 If the ...

Page 61: ...ys the voltage on the optional input This voltage is only relevant if an external 0 10 volt signal is being used to control the heater Press the key once BUS COMM NO CONN This display shows the status of the communication bus between multiple heaters If the heater is in a single heater configuration the display will show NO CONN If the heater is used in a multiple coiler configuration is the Maste...

Page 62: ...stem pump output of the cascade system This screen will alternate with the default screen every 5 seconds or it can be accessed by pressing the key from the default screen CASCADE NO FOLLOWER SYS PUMP OFF This screen is displayed when the heater is configured as a Master Heater and there are no connected follower heaters or the follower heaters are not powered The second line indicates status of t...

Page 63: ... of the heater the display may show an error message and error code This message and code may be the result of a temporary condition in which case the display will revert to its normal readout when the condition is corrected or it may be a condition that the controller has evaluated as not safe to restart the heater In this case the heater control will be locked out the red FAULT light will be lit...

Page 64: ...r is faulty There is a short circuit in the system sensor wiring possibly from a staple placed through the wire or damage to the wire causing both conductors to touch The system sensor wiring is open due to defect or damage Disconnect the system sensor from the wiring and measure the resistance of it Compare the measured resistance to the table in this manual to see if it corresponds to the temper...

Page 65: ...ly or the water level is restored A technician must repair the cause of the problem and push the RESET button first on the low water cut off control box then on the display This situation is indicated by the red light on the display and the word LOCKOUT flashing on the display During this lockout fault the pump will be on as indicated on the second line of the display 1 If the heater has a UL353 L...

Page 66: ...r circulator See Piping Details in this manual 4 Troubleshoot the thermistor by following steps in F02 Fault Code F06 RETURN TEMP HIGH F06 PUMP ON This display indicates that the return tempera ture of the heater is excessive If accompanied by the red FAULT light and LOCKOUT flashing on the display this code indicates that the temperature on the return sensor has exceeded 230o F and a serious safe...

Page 67: ...d replace the gas valve 2 If the flame signal on the status menu is greater than 1 0 when the burner is not lit replace the spark ignitor and the flame recti fication probe 3 If the flame signal is not present after turning off the gas supply check the gas valve electrical connection 4 Check for condensate backup Repair condensate system as necessary If condensate has partially filled the combusti...

Page 68: ...ter the pump is energized for several seconds and the flow is still too low 1 Check to see if heater pump is functioning Repair as necessary 2 Be sure water is flowing in the system Check for valves that should be open plugged filter screens etc 3 Check the flow switch and wiring Repair as necessary The following blocking codes will block operation until the control determines the situation safe f...

Page 69: ...and contact with skin and eyes Use NIOSH certified dust respirator N95 This type of respirator is based on the OSHA requirements for cristobalite at the time this document was written Other types of respirators may be needed depending on job site conditions Current NIOSH recommendations can be found on the NIOSH website http www cdc gov niosh homepage html NIOSH approved respirators manufacturers ...

Page 70: ...Flush the combustion chamber with fresh water until it runs clear from the condensate At this point the heater should be ready to be re assembled a Inspect gaskets b Re install the burner assembly c Replace and tighten the 6 10MM nuts to the burner plate using staggered tightening sequence See detail d Re connect all wiring connections e Inspect the gas valve to assure the O ring is in place f Rep...

Page 71: ...71 LP 446 REV 9 3 14 Figure 36 ...

Page 72: ...72 LP 446 REV 9 3 14 Figure 37 ...

Page 73: ...73 LP 446 REV 9 3 14 Figure 38 ...

Page 74: ...74 LP 446 REV 9 3 14 Figure 39 ...

Page 75: ...cate the stickers in the appropriate locations on the heater Verify combustion settings after gas conversion Carbon Dioxide ____ CO2 High Fire ____ CO2 Low Fire Verify combustion settings after gas conversion Carbon Monoxide ____ppm CO High Fire ____ppm CO Low Fire 6 Record ionization current Check uA reading at on the status menu see start up section ____ uA High Fire ____ uA Low Fire 7 Verify sy...

Page 76: ...erly Change batteries if necessary Circuit Breakers Check to see that the circuit breaker is clearly labeled Exercise circuit breaker Switch and Plug Verify ON OFF switch and convenience plug are both functional CHAMBER BURNER Combustion Chamber Check burner tube and combustion chamber coils Clean according to maintenance section of manual Vacuum combustion chamber Replace any gaskets that show si...

Page 77: ...77 LP 446 REV 9 3 14 ...

Page 78: ...78 LP 446 REV 9 3 14 ...

Page 79: ...79 LP 446 REV 9 3 14 MAINTENANCE NOTES ...

Page 80: ...tallation Address Date of Installation Installer s Code Name Product Serial Number s Comments Installer s Phone Number Signed by Installer Signed by Customer IMPORTANT NOTES Customer Please only sign after the installer has reviewed the installation safety proper operation and maintenance of the system In the case that the system has any problems please call the installer If you are unable to make...

Reviews:

No comments

Related manuals for 500 HL

Brand: IBC Pages: 4

Brand: IBC Pages: 6

Brand: IBC Pages: 74

ecoTEC plus 937

Brand: Vaillant Pages: 16

Classic FF 360 LF

Brand: Ideal Boilers Pages: 4

QUADRIFOGLIO B 125

Brand: Ferroli Pages: 124

uniSTOR VIH SW GB 500 BES

Brand: Vaillant Pages: 24

Naviels UKDAX-10EDT

Brand: DAXOM Pages: 47

Brand: Keston Pages: 8

Brand: U.S. Boiler Company Pages: 160

Brand: Harsco Industrial Pages: 114

Brand: PeerlessBoilers Pages: 43

Brand: Bosch Pages: 308

Brand: Ariston Pages: 8

Brand: ACV Pages: 11

Brand: Baxi Pages: 16

PREMIER PLUS 400

Brand: Baxi Pages: 16

PREMIER PLUS 1000L

Brand: Baxi Pages: 20

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands