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Mini-Therm II Hydronic Boiler

Page 21

Part Number

Description

Model, Size

JVS-50

JVT-50

JVS-75

JVT-75

JVS-100

JVT-100

JVS-125

JVT-125

Pilot Gas System
Pilot Assembly (Nat.)

W0030600

W0040900

W0030600

W0040900

W0030600

W0040900

W0030600

W0040900

Pilot Assembly (LP)

W0039600

W0040901

W0039600

W0040901

W0039600

W0040901

W0039600

W0040901

Thermocouple

-

W0036500

-

W0036500

-

W0036500

-

W0036500

Main Gas System
Burner W/Pilot Bracket

L0056500

L0056500

L0056500

L0056500

L0056500

L0056500

L0056500

L0056500

Burner, Main

L0052500

L0052500

L0052500

L0052500

L0052500

L0052500

L0052500

L0052500

Burner/Air Shutter (LP)

L0055900

L0055900

L0055900

L0055900

L0055900

L0055900

L0055900

L0055900

Gas Valve, HW., VR8304 (Nat.)

V2002200

-

V2002200

-

V2002200

-

V2002200

-

Gas Valve, RS (Nat.)

-

R0017500

-

R0017500

-

R0017500

-

R0017500

Gas Valve, HW., VR8300 (LP)

-

V2002100

-

V2002100

-

V2002100

-

V2002100

Gas Valve, HW., VR8304 (LP)

V0073600

-

V0073600

-

V0073600

-

V0073600

-

Gas Orifice (Nat.)

L0032200

L0032200

L0032200

L0032200

L0032200

L0032200

L0032200

L0032200

Gas Orifice (LP)

L0032900

L0032900

L0032900

L0032900

L0032900

L0032900

L0032900

L0032900

Gas Manifold

L0052601

L0052601

L0052602

L0052602

L0052603

L0052603

L0052604

L0052604

Electrical System
Relay, DPNO

E0088400

E0088400

E0088400

E0088400

E0088400

E0088400

E0088400

E0088400

Transformer 115/24V (40VA)

E0086100

E0086100

E0086100

E0086100

E0086100

E0086100

E0086100

E0086100

Ignition Control (S8600F) Nat.

E0094001

-

E0094001

-

E0094001

-

E0094001

-

Limit Switch

E0098700

E0098700

E0098700

E0098700

E0098700

E0098700

E0098700

E0098700

Control Panel Wiring Harness

20406501

20406501

20406501

20406501

20406501

20406501

20406501

20406501

Power Venter Jumper

20036700

20036700

20036700

20036700

20036700

20036700

20036700

20036700

Terminal Strip

E0098500

E0098500

E0098500

E0098500

E0098500

E0098500

E0098500

E0098500

Hi-Tension Lead

10449514

-

10449514

-

10449514

-

10449514

-

Blocked Vent SafetySwitch*

E0121000

E0121000

E0121000

E0121000

E0121000

E0121000

E0121000

E0121000

Roll-out Safety Switch

E2103200

E2103200

E2103200

E2103200

E2103200

E2103200

E2103200

E2103200

Fuse, 2 amp

E2043600

E2043600

E2043600

E2043600

E2043600

E2043600

E2043600

E2043600

Water System
Heat Exchanger

20036601

20036601

20036602

20036602

20036603

20036603

20036604

20036604

Temperature/Pressure Gauge

A0000100

A0000100

A0000100

A0000100

A0000100

A0000100

A0000100

A0000100

Pressure Relief Valve, 30PSI

A0069000

A0069000

A0069000

A0069000

A0069000

A0069000

A0069000

A0069000

Well, Immersion

E2058300

E2058300

E2058300

E2058300

E2058300

E2058300

E2058300

E2058300

Drain Valve 1/2" NPT

P0066600

P0066600

P0066600

P0066600

P0066600

P0066600

P0066600

P0066600

Jacket and Fire Box Components
Draft Diverter

20034801

20034801

20034802

20034802

20034803

20034803

20034804

20034804

Rear Panel

20099801

20099801

20099802

20099802

20099803

20099803

20099804

20099804

Side Panel (L&R)

10467900

10467900

10467900

10467900

10467900

10467900

10467900

10467900

Front Panel

10484701

10484701

10484702

10484702

10484703

10484703

104884704

10484704

Top

20099401

20099401

20099402

20099402

20099403

20099403

20099404

20099404

Gap Closure

20099501

20099501

20099502

20099502

20099503

20099503

20099504

20099504

Flue Collector

20034901

20034901

20034902

20034902

20034903

20034903

20034904

20034904

Access Panel HX, (L&R)

10535900

10535900

10535901

10535901

10535900

10535900

10535901

10535901

Base, Control Box

10469200

10469200

10469200

10469200

10469200

10469200

10469200

10469200

Cover, Control Box

10469400

10469400

10469400

10469400

10469400

10469400

10469400

10469400

Burner Cover

10500601

10500601

10500601

10500601

10500602

10500602

10500602

10500602

Heat Exchanger Baffle

10485301

10485301

10485302

10485302

10485303

10485303

10485304

10485304

Tile Cover

10469501

10469501

10469502

10469502

10469503

10469503

10469503

10469504

Refractory, Front

T0022001

T0022001

T0022002

T0022002

T0022003

T0021803

T0022004

T0022004

Refractory, Rear

T0021701

T0021701

T0021702

T0021702

T0021703

T0021703

T0021704

T0021704

Insulation, Fiberglass

T0027300

T0027300

T0027300

T0027300

T0002000

T0027300

T0027300

T0027300

Base Assembly

10467101

10467101

10467012

10467102

10467103

10467103

10467104

10467104

Combustible Base (optional)

10466701

10466701

10466701

10466701

10466702

10466702

10466702

10466702

Vent Damper Components
Automatic Vent Damper Assy., Penn Q35*

E2071501

E2071501

E2071502

E2071502

E2071502

E2071502

E2071503

E2071503

Damper Connection Harness*

E0099100

E0099100

E0099100

E0099100

E0099100

E0099100

E0099100

E0099100

*  Optional in Canada.

SECTION 3.
Parts List and Ordering Information

Содержание Mini-Therm II JV

Страница 1: ...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 WHAT T...

Страница 2: ...1H Venting 7 1H 1 Common Venting System 8 1I Water Piping of Boiler System 8 1I 1 By pass Piping 8 1J Chilled Water Systems 10 1K Electrical Wiring 10 1L Filling the System 12 SECTION 2 Installation...

Страница 3: ...installation Consult the Laars factory or local factory representative with any problems or questions regarding this equipment Experience has shown that most operating problems are caused by improper...

Страница 4: ...Temperature rise must be measured with the longest highest head zone calling for heat alone Other factors to be considered before selecting a pump are pipe size the number of fittings throughout the s...

Страница 5: ...gas piping from the gas meter to the boiler 3 A trap drip leg must be provided ahead of the gas controls see Figure 4 A manual gas shutoff valve must also be provided for service convenience and safe...

Страница 6: ...an indication of an undersize gas meter and or obstructed gas supply line 5 The correct burner manifold gas pressure is stamped on the rating plate The regulator is pre set at the factory and normally...

Страница 7: ...de with rustproof sheet metal screws IMPORTANT NOTE Do not use sheet metal screws at the snap lock joints of Type B gas vents Do not weld or fasten the vent pipe to the boiler draft diverter The weigh...

Страница 8: ...ate valves at the boiler inlet and outlet so it can be isolated for service Check local codes for specific plumbing requirements before beginning the installation An ASME pressure relief valve is supp...

Страница 9: ...Water Inlet Air Cushion Type Expansion Tank Optional Feed Water Inlet Air Scoop JV Boiler Zone Pumps must be sized properly Flo Checks Flo Checks installed at proper places Bypass Valves Feed Water I...

Страница 10: ...he cooling cycle 1K Electrical Wiring Follow these instructions to make the necessary initial electrical connections 1 Remove the two screws attaching the front cover of the control box 2 There are fo...

Страница 11: ...al Code Part 1 in Canada Do not rely on the gas or water piping to ground the metal parts of the boiler Plastic pipe or dielectric unions may isolate the boiler electrically Service and maintenance pe...

Страница 12: ...lified electrical technician make the necessary measurements to properly set the thermostats 1L Filling the System It is crucial to the efficient operation of the system that all air be removed from t...

Страница 13: ...For primary secondary pumping Connect to W in lieu of A Boiler relay is used for boiler pump and connection to W will energize boiler pump when any zone is calling for heat Wiring with Taco Zone Valv...

Страница 14: ...m pressure with the boiler pressure gauge before beginning regular operation SECTION 2 Operation and Maintenance 2A 1 System Start Up WARNING Do not use this appliance if any part has been under water...

Страница 15: ...n all the way and hold in Immediately light the pilot with a match using the match holder Continue to hold the control knob in for about one 1 minute after the pilot is lit Release knob and it will po...

Страница 16: ...eratures are approximate 2C Maintenance 1 Lubricate the water circulating pump per the instructions on the pump 2 If a strainer is employed in a pressure reducing valve or the piping clean it every si...

Страница 17: ...ge test the circuit between the red wire on the transformer and terminal 4 on the pump relay from terminal 6 on the pump relay and the A connection on the terminal board and from the purple wire termi...

Страница 18: ...oiler of higher input 7 Pump noisy A Air in volute A Bleed air from volute Check pump alignment B Worn coupling or bearings B Replace worn parts 8 Boiler pounding A Too low water flow through boiler A...

Страница 19: ...ble and ground wire Clean flame rod Check electrical connections between flame rod and module Check for cracked ceramic flame rod insulator Check that pilot flame covers flame rod and is steady and bl...

Страница 20: ...or more interconnecting circulating loops each with its own pump Primary System Circuit Secondary Boiler Circuit Reverse return Piping Balanced equal flow first in last out piping Utilized with multip...

Страница 21: ...6601 20036601 20036602 20036602 20036603 20036603 20036604 20036604 Temperature Pressure Gauge A0000100 A0000100 A0000100 A0000100 A0000100 A0000100 A0000100 A0000100 Pressure Relief Valve 30PSI A0069...

Страница 22: ...036700 20036700 20036700 20036700 Terminal Strip E0098500 E0098500 E0098500 E0098500 Hi Tension Lead 10449515 10449516 Blocked Vent Switch E0121000 E0121000 E0121000 E0121000 Roll out Safety Switch E2...

Страница 23: ...Mini Therm II Hydronic Boiler Page 23 Figure13 PartsIdentification Figure 13 Parts Identification...

Страница 24: ...CA 93021 805 529 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 laar...

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