background image

Mighty Max Volume Water Heater

Page 29

Item

Description

Part Number

4.

Combustion Chamber Weldment

320M ........................................................... 20159101
400M ........................................................... 20159102
520M ........................................................... 20159103
625M ........................................................... 20159104
775M ........................................................... 20159105
1000M ......................................................... 20159106

5.

Gas Train Assembly

320M ........................................................... 20254901
400M ........................................................... 20254902
520M, 625M ...................................... 20260100 (U.S.)

20260101 (Canada)

775M ................................................. 20260200 (U.S.)

20260201 (Canada)

1000M ............................................... 20265600 (U.S.)

20265601 (Canada)

Gas Valve

320M, 425M ................................................ V2003900
520M, 625M ................................................ V2003700
775M, 1000M .............................................. V0046700

Pressure Regulator

520M, 625M ................................................ V2003800
775M, 1000M .............................................. V2003600

Orifice Holder

320M, 400M ................................................ P2017500
520M, 625M ................................................ P2017700
775M ........................................................... P2018500
1000M ......................................................... P2022200

6.

Motor, Blower

320M thru 520M Nat. & Prop. Gas ............. A2088100
625M, 775M Nat. & Prop. Gas ................... A2087500
1000M Nat. & Propane Gas ....................... A2003900

7.

Electrical Controls
High limit Control ........................................... E0015900
Toggle Switch ................................................ E0109200
Indicator Light ................................................ E0071300
Fusible Link ................................................... E0099403
Transformer ................................................... E0086100
Fuse Holder ................................................... E2000300
Fuse, 2 Amp .................................................. E2043600
Flow Switch .................................................... E0013000
Burner Temperature Switch ........................... E2076100
Low Water Cutoff ........................................... E2075100
Pump Time Delay .......................................... E2077700

8.

Sight Glass .................................................... F0044800

9.

Igniter, Hot Surface ....................................... W0038001

10.

Gasket, Igniter Hot Surface ........................... 20409800

11.

Control, Remote Ignition ................................ E2101300

12.

Control, Temperature ..................................... E2101400

13.

Display, Temperature ..................................... E2101600

14.

Heat Exchanger Assy., 2 pass, Copper Tubes

520M ........................................................... 20256003
625M ........................................................... 20256004
775M ........................................................... 20256005
1000M ......................................................... 20256006

Item

Description

Part Number

Heat Exchanger Assy., 2 pass, Cupronickel tubes

520M ........................................................... 20104603
625M ........................................................... 20104604
775M ........................................................... 20104605
1000M ......................................................... 20104606

15.

Heat Exchanger Assy., 4 pass, Copper Tubes

320M ........................................................... 20259601
400M ........................................................... 20259602

Heat Exchanger Assy., 4 pass, Cupronickel tubes

320M ........................................................... 20104701
400M ........................................................... 20104702

16.

Cover, Machined In/Out ................................. 20150200

17.

Plate, Mach. Adapter

320M, 400M ................................................ 20150302
520M, 625M, 775M ..................................... 20150306
1000M ......................................................... 20150307

18.

Flange, Machined

320M, 400M ................................................ 20255400
520M, 625m, 775M ..................................... 20255401
1000M ......................................................... 10391304

19.

Cover, Machined Rear ................................... 20150100

20.

Pressure Switch, Differential 320-775 ........... E0115200
Pressure Switch, Differential 1000 ................ E0161400

21.

Flue Collector Assembly (with gaskets)

320M ........................................................... 20155401
400M ........................................................... 20155402
520M ........................................................... 20155403
625M ........................................................... 20155404
775M ........................................................... 20155405
1000M ......................................................... 20155406

22.

Jacket Assembly (Not Shown)

320M ........................................................... 20255201
400M ........................................................... 20255202
520M ........................................................... 20255203
625M ........................................................... 20255204
775M ........................................................... 20255205
1000M ......................................................... 20255206

23.

Covering Plate (side) ..................................... 20256500

24.

Collar, Jacket 320-775 ................................... 20258300
Collar, Jacket 1000 ........................................ 20266300

25.

Bonnet

320M ........................................................... 20156801
400M ........................................................... 20156802
520M ........................................................... 20156803
625M ........................................................... 20156804
775M ........................................................... 20156805
1000M ......................................................... 20156806

26.

Panel Top,

320M ........................................................... 20157501
400M ........................................................... 20157502
520M ........................................................... 20157503
625M ........................................................... 20157504
775M ........................................................... 20157505
1000M ......................................................... 20157506

27.

Panel, Top Side, Left ..................................... 20152800

Содержание Mighty Max VW Series

Страница 1: ...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...

Страница 2: ...ersion for Ducted Combustion Air 14 2K 4 Combustion Air Piping 15 2L Electrical Wiring 15 SECTION 3 Operation 3A Start Up Requirements 17 3B Hi Limit Checkout 17 3C Venturi and Gas Pressure Regulator...

Страница 3: ...clude the heater serial number and model number this information can be found on the rating plate installation date and name of the installer Shipping costs are not included in the warranty coverage S...

Страница 4: ...utdoor From Combustibles Inches mm Inches mm Top 18 457 Unobstructed Water Conn Side 12 305 12 305 Opposite side 6 152 6 152 Front Alcove Unobstructed Rear 6 152 6 152 Vent 6 152 Flooring Combustible...

Страница 5: ...drop 2 Check supply pressure and local code requirements before proceeding with work 3 Pipe fittings must be considered when determining gas pipe sizing Table 3 Natural Gas and Propane Pipe Size Requ...

Страница 6: ...controls see Figure 4 Fit the trap with a threaded cap which can be removed for cleaning 5 When required by code install a second manual gas shutoff valve Do not remove manual shutoff valve supplied w...

Страница 7: ...circulating pump is essential for proper operation of the heater see Section 2G 5 The heater circulating pump must be sized to provide enough flow to prevent damage to the heat exchanger and must hand...

Страница 8: ...of withstanding 210 F 99 C without distortion 4 Must be installed to allow complete drainage of both the relief valve and discharge pipe 5 Must not have any valve between the relief valve and the end...

Страница 9: ...ls to the heating system piping since the piping contains water for potable use Do not use solder containing lead in the potable water lines If the space heating system requires water temperatures gre...

Страница 10: ...r of the boiler jacket over the stack opening on the top panel of the boiler 8 Apply high temperature sealant see Table 6 to vent collar stack and install on the rear of the flue collector 9 Slip the...

Страница 11: ...on Category I Exhaust Terminal Detail Side View Wall Figure 7 Venting and Combustion Air Options NOTE All views are shown from rear of heater Horizontal Intake Terminal Detail Combustion Air Side View...

Страница 12: ...ollector IMPORTANT Maximum pipe length allowed is 50 feet 15m regardless of the number of elbows Maximum number of elbows allowed is 5 Vent pipe minimum clearance from combustible surfaces is 6 inches...

Страница 13: ...t the installer may determine it should be higher depending on local conditions 5 Locate the terminal so the vent exhaust does not settle on building surfaces and other nearby objects Vent products ma...

Страница 14: ...ke sure the ventilation air is not directed at the heater water piping or other equipment which could be damaged by freezing 2K 3 Conversion for Ducted Combustion Air The conversion to ducted combusti...

Страница 15: ...to ground the metal parts of the heater Often plastic pipe or dielectric unions isolate the heater electrically Service and maintenance personnel who work on or around the heater may be standing on we...

Страница 16: ...Page 16 LAARS HEATING SYSTEMS Figure 11 Wiring Diagram IGNITION SYSTEM 20 ON OFF SIZES 320 1000 NATURAL OR PROPANE...

Страница 17: ...oiler for a long enough period to bring the water temperature within the range of the hi limit slowly back off the high limit setting until the boiler shuts off The main burners should re ignite when...

Страница 18: ...the venturi throat tap yellow After installing the shutoff valves be certain they are closed Low Side of Manometer High Side of Manometer Venturi Inlet Tap Blue Venturi Throat Tap Yellow Gas Orifice T...

Страница 19: ...concepts The following section describes this setup procedure 5 Leaving the positive side of the manometer connected to the venturi inlet tap blue connect the negative side of the manometer to the sh...

Страница 20: ...regulator to track air pressure even when abnormal conditions occur such as blockage of the combustion air Before firing confirm that this tube and the venturi pressure switch tubes are in place and f...

Страница 21: ...GAS ORIFICE UNFIRED ELEVATION OFFSET DIFFERENTIAL VENTURI FT PRESSURE PRESSURE DIFFERENTIAL inch W C inch W C inch W C SEA LEVEL 0 4 4 0 5 8 2000 0 4 3 7 5 3 4000 0 4 3 4 4 9 6000 0 4 3 2 4 6 8000 0 4...

Страница 22: ...4B 2 4B 1 Inspection of the Heat Exchanger WARNING Improper installation or maintenance can cause nausea or asphyxiation from carbon monoxide in flue gases which could result in severe injury property...

Страница 23: ...device 5 Low water cutoffs including flushing or float types Every six months Other maintenance requirements include 1 Periodic cleaning of filters when supplied 2 Lubrication of moving parts when app...

Страница 24: ...ribes guidelines for checking the operation of electrical components installed on the heater Refer to the wiring diagram for correct connection locations 5C 1 General Troubleshooting This section desc...

Страница 25: ...Mighty Max Volume Water Heater Page 25 Figure 19 Troubleshooting Chart...

Страница 26: ...t Laars Heating Systems 480 S Service Road West Oakville Ontario Canada L6K 2H4 Telephone 905 844 8233 Item Description Part Number 1 Base Assembly 320M 20157801 400M 20157802 520M 20157803 625M 20157...

Страница 27: ...Mighty Max Volume Water Heater Page 27 Front View Right Side View...

Страница 28: ...Page 28 LAARS HEATING SYSTEMS Front View Rear View Right Side View Left Side View...

Страница 29: ...erature E2101400 13 Display Temperature E2101600 14 Heat Exchanger Assy 2 pass Copper Tubes 520M 20256003 625M 20256004 775M 20256005 1000M 20256006 Item Description Part Number Heat Exchanger Assy 2...

Страница 30: ...nt Safety Switch E2103000 37 Cover Plate For Gas Conn 320M 400M 20262701 520M 625M 20262702 775M 1000M 20262703 Item Description Part Number 38 Tile Assembly 320M 20255101 400M 20255102 520M 20255103...

Страница 31: ...Mighty Max Volume Water Heater Page 31...

Страница 32: ...05 529 2000 FAX 805 529 5934 20 Industrial Way Rochester NH 03867 603 335 6300 FAX 603 335 3355 480 S Service Road West Oakville Ontario Canada L6K 2H4 905 844 8233 FAX 905 844 2635 www laars com Lith...

Отзывы: