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Lattner Boiler Company H.E. Instruction Manual

Manual is about: Steam Boilers

Summary of H.E.

  • Page 1

    Lattner boiler company model h.E. Steam boilers instruction manual 2006 to 2007 lattner boiler company 1411 9 th st. Sw cedar rapids, ia 52404 t: (800) 345-1527 f: (319) 366-0770 e: info@lattner.Com www.Lattnerboiler.Com.

  • Page 2

    2 index general description page 4 a. Boiler design b. Boiler connections c. Boiler trim d. Fuel burning system e. Fuel train f. Control panel g. Combustion safeguard h. Factory tests i. Nameplates & stamping j. Guarantees ………………………………………………………………………….4 ………………………………………………………………………….4 ………………………………………...

  • Page 3

    3 g. Mcdonnell miller servicing h. Warrick relay replacement i. Auxiliary low water cut-off probe cleaning ………………………………………………………………………...22 ………………………………………………………………………...23 ………………………………………………………………………...23 section iv: troubleshooting page 24 a. Normal operation b. Basic service tools c. Before you b...

  • Page 4

    4 general description warning: all installation procedures must be followed completely by a competent installer familiar with boilers and boiler accessories. Caution: read and follow all instructions before installing any boiler equipment. All cover plates, enclosures and guards must be maintained a...

  • Page 5

    5 1. Relief valve in compliance with the asme code, a steam boiler pressure relief valve is provided. Size and quantity are determined by the valve setting, valve capacity, and the asme code. Valve may be shipped loose to prevent possible damage during shipment. 2. Water column factory mounted and p...

  • Page 6

    6 3. Terminals provided for the connection of the 120 volt supply and for external connections for field wiring. 4. Relays provided for water level and pump controls. 5. Wiring/controls all devices and wiring are in accordance with the latest ul/nfpa 70 requirements. Each device is ul listed or reco...

  • Page 7

    7 section i: installation warning: all installation procedures must be followed completely by a competent installer familiar with boilers and boiler accessories. Caution: read and follow all instructions before installing any boiler equipment. All cover plates, enclosures and guards must be maintain...

  • Page 8

    8 if there is other equipment in the room that uses air (large water heaters, air compressors, other boilers, exhaust fans, etc.), additional venting capacity is required. E. Stack 1. Specifications install all stacks in compliance with state and local codes. Lattner recommends category i type b dou...

  • Page 9

    9 boilers operating 16 psi to 100 psi inclusive require a y- type gate or a ball valve rated for 125 wsp. Boilers operating 101 psi to 150 psi require piping designed for a pressure of 125% of the boiler safety valve set pressure (schedule 80 blowdown piping), one quick opening, and one slow opening...

  • Page 10

    10 2. Combination gas valve some lattner gas trains include combination gas valves. Combination gas valves simultaneously function as gas pressure regulators, flame failure controls, pilot gas valves, and main gas valves. Combination gas valves may be supplied with either thermocouple (standing) pil...

  • Page 11

    11 pressure is at least 10 psi higher than the boiler pressure. B. Water inlet refer to the boiler assembly print for correct connection and location of feedwater inlet. C. Piping the solenoid water valve assembly shall be piped in the following order: y-type strainer, solenoid valve, spring loaded ...

  • Page 12

    12 a. Setting the differential on the far left side of the pressuretrols is the differential indicating scale labeled "diff". Turn the differential adjusting screw until the indicator aligns with the desired differential. A minimum differential will maintain the boiler pressure closer to the set poi...

  • Page 13

    13 g. When pilot flame is proven, main burners will light h. Adjust valve pressure to 4.25” w.C. I. Consult valve pamphlet in back of manual for more detailed instructions j. Cycle boiler on and off several times 3. Thermocouple pilots (diaphragm or motorized gas valves) a. Turn boiler switch off b....

  • Page 14

    14 section ii: boiler care caution: read and follow all instructions before servicing any boiler. A. General the life expectancy of any boiler will depend on the routine care given to the boiler. The condition of the water inside the boiler is the most important factor in determining the life of the...

  • Page 15

    15 f. Foaming, bouncing, & carryover 1. Causes of foaming it is normal for the water line of lattner boilers to fluctuate about one inch. However, excessive foaming and bouncing (an unstable water line) can be caused by several different conditions. The presence of oil or grease in the boiler water ...

  • Page 16

    16 j. Burner adjustment 1. Danger only competent personnel familiar with forced draft burners and having proper test equipment to measure burner input and analyze flue gases should attempt adjusting the burner. Refer to the burner manual for proper settings of the forced draft burner. 2. Insufficien...

  • Page 17

    17 m. Internal inspections 1. Purpose of inspections internal boiler inspections are required to check the structural integrity of the boiler shell and look for scale accumulations inside the boiler. 2. New boiler inspection make the initial inspection of a new boiler within 30 days of start-up. Dep...

  • Page 18

    18 section iii: maintenance warning: all maintenance procedures must be followed completely by competent personnel familiar with boilers and boiler accessories. Caution: read and follow all instructions thoroughly before working on any boiler equipment. Note: certain maintenance items concerning spe...

  • Page 19

    19 d. Table 1: recommended testing schedule item frequency responsibility remarks gauges and sight glass daily operator make visual inspection and record readings in a log. Instrument and boiler settings daily operator make visual check against manufacturer’s recommended specifications. Refer to pro...

  • Page 20

    20 e. Hand hole plate removal & re-installation 1. Disconnect all power to the boiler. 2. The boiler must be cool and drained of all water. 3. See assembly print for hand hole location. 4. Remove the hand hole plate nut. Use a 7/8" socket. 5. Remove arch over hand hole plate. 6. Remove hand hole pla...

  • Page 21

    21 f. Sight glass removal & re-installation 1. Boiler and pump should be switched off. 2. Boiler should be cool and the water level should be below the lower water gauge fixture. 3. Close the upper and lower water gauge valves. 4. Loosen both sight glass packing nuts (top and bottom) with a wrench. ...

  • Page 22

    22 g. Mcdonnell miller servicing 1. Disconnect all power to the boiler. 2. The boiler should be cool and drained of all water just below the mcdonnell miller control. 3. Make sure all water is drained from the mcdonnell miller control by opening the control blowdown valve. 4. Disconnect the wiring a...

  • Page 23

    23 i. Warrick relay replacement 15. Disconnect all power to the boiler. 16. Pull relay out by hand. This may take a little force but be careful. 17. Replace the warrick with a new 26m series warrick. The relay has a small tab so that it can be installed only one way. 18. Reconnect the power to the b...

  • Page 24

    24 section iv: troubleshooting warning: all troubleshooting procedures must be followed completely by competent personnel familiar with boilers and accessories. Caution: read and follow all instructions before troubleshooting any boiler equipment. A. Normal operation all lattner atmospheric gas-fire...

  • Page 25

    25 possible boiler problems possible causes boiler and pump switch are on, pump does not run and low water level in boiler. 1. Circuit breaker is tripped or fuse is blown. 2. Mcdonnell miller piping is plugged. 3. Mcdonnell miller float is stuck. 4. Mcdonnell miller is wired incorrectly. 5. Pump or ...

  • Page 26

    Lattner boiler limited warranty a lattner boiler shell is guaranteed to be constructed in accordance with the asme code. An independent asme boiler inspector inspects the construction of each boiler and: (1) checks mill test reports on all materials used to ensure that the chemical and physical anal...

  • Page 27

    Standard terms & conditions limitation on quotation unless otherwise stated in the quotation, the quotation will remain valid for a period of thirty (30) days from the date hereof, at which time it will automatically expire unless extended by a signed document issued by the company, from its headqua...

  • Page 28

    Lattner boiler company instruction manual – wlf models february 2005 48 easy topog-e ® boiler installation instructions 1. Remove old gasket and thoroughly clean the surface on boiler and on cover plate. Sometimes it is necessary to buff each surface. 2. Place topog-e® gasket on handhole cover plate...

  • Page 29

    Lattner boiler company instruction manual – wlf models february 2005 49 to be tightened. When this happens, drain the boiler again and start over, or expect to replace the gasket in a very short time. • as pressure builds up in the boiler the bolt and crab will loosen. It takes some time for the gas...

  • Page 44

    Kunkle pressure relief valves installation and operating instructions pre-installation handling this pressure relief valve is designed to protect equipment from overpressure. The valve should be handled with care, not subjected to heavy shock loads, and protected to prevent contamination from gettin...

  • Page 45: Series 150 and 157

    Series 150 and 157 (mercury switch) series 150s and 157s (snap switch, all models except 157s-rb-p) low water cut-off/pump controllers for steam boilers and other level control applications typical applications: – primary or secondary pump controller/ low water fuel cut-off for steam boilers – motor...

  • Page 46: Operation

    2 enclosure rating: nema 1 general purpose pumpcircuit rating (amperes) voltage full load locked rotor pilot duty 120 vac 7.4 44.4 345 va at 240 vac 3.7 22.2 120 or 240 vac approximate distance above cast line differential setting in. (mm) in. (mm) pump off 15 / 16 (24) 5 / 16 (8) pump on 5 / 8 (16)...

  • Page 47: Maintenance

    3500 n. Spaulding avenue chicago, illinois 60618 tel: 773 267-1600 fax: 773 267-0991 www.Mcdonnellmiller.Com ©2003 itt industries inc. Printed in u.S.A. 10-03 210341 maintenance schedule: • blow down control as follows when boiler is in operation. – daily if operating pressure is above 15 psi. – wee...

  • Page 48: Warrick

    Specifications control design: solid state components enclosed in clear lexan plug-in style housing. Housing carries no nema ratings. Contact design: spdt (1 form c): one normally open (n.O.) and one normally closed (n.C.) powered contacts. Contact ratings: 10 a @ 120,240 vac resistive (120°f), 1a @...

  • Page 49

    Options : automatic reset : (reset terminals not used): when the liquid rises to the electrode on terminal 6, the control energizes, chang- ing state of the load contacts. (led will be lit) the control remains energized until the liquid level recedes below electrode on ter- minal 6. The control then...