background image

Mighty Stack

Page 29

CONTROL PANEL COMPONENTS          

See Figure 13

1

Switch, Pressure, Diaphragm, SPST

E0255500

E0255500

E0255500

2

Switch, Pressure, Diaphragm, SPDT

E0240900

E0240900

E0240900

3

Switch, Limit, High Temperature, Volume Water

E2324200

E2324200

E2324200

4

Transformer, 24, 120V, 50VAC

E0180500

E0180500

E0180500

5

Ignition Control, Hot Service Ignition

E0253400

E0253400

E0253400

6

SPDT Toggle Switch

E0109200

E0109200

E0109200

7

Tray, Control Panel

20L7002

30L7002

40L7002

8

Relay, Time Delay, 24 Vac, Delay On Break, 

Adjustable

E2077700

E2077700

E2077700

9

Ignition Control, HSI, Fenwal

E0253400

E0253400

E0253400

Switch, Rocker, 10A, 250 VAC 1/2 HP, 15A, 125 

VAC 1/2 Hp

E2322700

E2322700

E2322700

Switch, Temperature, Manual Reset, 250°, 

SPST, Trip-Free

E2103200

10

DPDT Toggle Switch, 15 Amps, 3/4 HP

E2056300

E2056300

E2056300

11

Block, Terminal, Double Row, 16-Position

E2327500

E2327500

E2327500

12

Jumper, Terminal Block

E0102000

E0102000

E0102000

13

Label, Terminal, Control Contacts

H2339100

H2339100

H2339100

14

Harness, Main

E2337800

E2337800

E2337800

15

Harness, Wire, On/Off, Switch

E2337900

E2337900

E2337900

PUMP ASSEMBLY COMPONENTS           

See Figure 14

1

Circulator Pump Assembly

A2112200

A2112200

A2112200

Alternate Soft Water Pump

A2112212

A2112212

A2112212

2

Union, 1-1/4" C x C

36-518

36-518

Union, 1-1/2" Solder Joint, Copper/Brass Nut

P2020100

3

Adapter, Copper, C x M, 1-1/4" x 1-1/2" NPT

P2049500

P2049500

(6)

Adapter, 1-1/2" Male NPT x 1-1/2" soc, Copper

P2019700

4

Water Flow Switch, Outdoor

E0013000

E0013000

E0013000

5

Tee, 1-1/4" soc x 1" sox x 1-1/4" soc, Copper

P2079700

P2079700

Tee, 1-1/2" soc x 1" soc x 1-1/2" spc

P2079600

6

Adapter, Copper, 1-1/4" to 1" NPT

P2079800

P2079800

P2079800

7

Flow Switch Paddle

E2105400

E2105400

E2105400

8

Elbow, 1-1/2" NPT x 1-1/2" CU, Cast Brass

P2079300

Item

Description

Size 199

Size 300

Size 399

Содержание Mighty Stack MS-080

Страница 1: ...r death Improper installation and or operation will void the warranty For indoor installations as an additional measure of safety Laars strongly recommends installation of suitable Carbon Monoxide det...

Страница 2: ...16 4 4 Combined Water Heating potable and Space Heating 16 4 5 Freeze Protection 16 SECTION 5 Electrical Connections 5 1 Main Power 18 5 2 Field Wiring 18 SECTION 6 Operating Instructions 6 1 Filling...

Страница 3: ...in this manual or the Laars Heating Systems warranty may be voided The installation must conform to the requirements of the local jurisdiction having authority and in the United States to the latest e...

Страница 4: ...r concealed 1 4 Dimensions See Figure 1 1 5 Locating the Appliance The appliance should be located to provide clearances on all sides for maintenance and inspection It should not be located in an area...

Страница 5: ...mensional Data Air and vent connections may be on top or back of the Mighty Stack and are field convertible Size A B C D in cm in cm in cm in cm 199 33 0 84 4 10 5 13 8 75 22 300 39 0 99 4 10 6 15 15...

Страница 6: ...m 199 5 13 4 10 4 10 50 15 3 CA003101 CA003201 300 6 15 5 13 4 10 50 15 3 CA003102 CA003201 399 7 18 6 15 6 15 50 15 3 CA003103 CA003202 Table 1 Horizontal Vent Combustion Air Parameters Appliance Su...

Страница 7: ...communicating with the outdoors or when communicating to the outdoors through vertical ducts each opening shall have a minimum free area of 1 square inch per 4000 Btu hr 5 5 square cm kW of total inp...

Страница 8: ...dered Category III In the U S the National Fuel Gas Code ANSI Z223 1 or in Canada the Natural Gas and Propane Installation Code CSA B149 1 defines a Category I vent system and includes rules and table...

Страница 9: ...living spaces common venting should not be applied and appliances should each be vented separately 2 2 4 Category III Vent When the Mighty Stack is vented with horizontal discharge it must be installe...

Страница 10: ...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...

Страница 11: ...ith alarm and battery back up may be installed 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 own...

Страница 12: ...0 feet 3 0m and high enough above the roof line to prevent blockage from snow When the combustion air is taken from the roof the combustion air must terminate at least 12 30cm below the vent terminal...

Страница 13: ...ventilateurs d t Fermer les registres des chemin es 4 Mettre l appareil inspect en marche Suivre les instructions d allumage R egler le thermostat de fa on continue 5 Faire fonctionner le br leur prin...

Страница 14: ...Laars Heating Systems Page 14 Figure 4 Venting...

Страница 15: ...upply is below sea level values 2 The maximum inlet gas pressure must not exceed 13 w c 3 2kPa The minimum inlet gas pressure is 5 in w c 1 2 kPa 3 Refer to Table 7 size supply 4 Run gas supply line i...

Страница 16: ...high enough to prevent scaling but low enough to prevent tube erosion For extremely soft or hard water cupro nickel tubes are available Contact a Laars representative if you have questions or concerns...

Страница 17: ...Mighty Stack Page 17 Figure 4 Suggested Plumbing Figure 5 Suggested Plumbing Three Units in first out last...

Страница 18: ...ode Canadien de l lectricit 1 re partie Canadian Electrical Code Part 1 CSA C22 1 au Canada N utilisez pas les tuyauteries d eau ou de gaz pour mettre la terre les pi ces m talliques de la chaudi re d...

Страница 19: ...Mighty Stack Page 19 Figure 7 Wiring Diagram ON OFF Water Heater...

Страница 20: ...tches this 24V from the input 6 4 Sequence of Operation The pump time delay relay will receive a signal to initiate The pump terminals on the field wiring terminals strip will energize a pump Once the...

Страница 21: ...mproper setup is not covered by the limited warranty 1 Using this manual make sure the installation is complete and fully in compliance with the instructions 2 Determine that the appliance and system...

Страница 22: ...justing the air shutter Contact the Technical Services Department at number shown on back page The amount of derate will vary depending on heating value of the fuel and the elevation at the installati...

Страница 23: ...functioning It is strongly recommended that a qualified service technician inspect the basic items listed below every year a Ignition control b Ignitor c Water temperature control d Automatic gas val...

Страница 24: ...emove the mounting screws and remove the transformer Replace transformer in the reverse order 7 2 8 Flow Switch The Mighty Stack uses a paddle type flow switch to ensure that the unit has water flow b...

Страница 25: ...ion of soot or corrosion on the outside of the heat exchanger can be easily removed Use a wire brush to remove loose soot and scale from the heat exchanger 9 NOTE While the heat exchanger is out of th...

Страница 26: ...gnition If the gas supply pressure is proper and the gas valves are functioning properly then burners should be inspected There should be no distortion or perforations in the burners outside of the ac...

Страница 27: ...utter Blower 2C5000 2C5000 2C5000 20 Assembly Filter Housing 40L3900 40L3900 40L3900 Assembly Removeable Filter 40L3800 40L3800 40L3800 Media Filter R2073200 R2073200 R2073200 21 Hose Duct Flexible 4...

Страница 28: ...r Copper R2C4100 R3C4100 R4C4100 Assembly Tube Heat Exchanger Cupro Nickel R2C4120 R3C4120 R4C4120 2 Header Inlet Outlet 2F4122 2F4122 2F4122 3 Header Return 2C4103 2C4103 2C4103 4 Chamber Header Heat...

Страница 29: ...0 E2056300 11 Block Terminal Double Row 16 Position E2327500 E2327500 E2327500 12 Jumper Terminal Block E0102000 E0102000 E0102000 13 Label Terminal Control Contacts H2339100 H2339100 H2339100 14 Harn...

Страница 30: ...Laars Heating Systems Page 30 Figure 9 Combustion Chamber Components...

Страница 31: ...Mighty Stack Page 31 Figure 10 Jacket Components...

Страница 32: ...Laars Heating Systems Page 32 Figure 11 Heat Exchanger Components...

Страница 33: ...Mighty Stack Page 33 Figure 12 Gas Train Components...

Страница 34: ...Laars Heating Systems Page 34 Figure 13 Control Panel Components...

Страница 35: ...Mighty Stack Page 35 Figure 14 Pump Assembly Components...

Страница 36: ...603 335 6300 Fax 603 335 3355 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 1110 Document 2155 Dimensions and sp...

Отзывы: