Laars Mini-Therm JVi JVH Installation And Operation Instructions Manual Download Page 25

Page: 25 / 28

Mini-Therm JVi

Page 25

Description

Model, Size

Pilot Gas System
Pilot Assembly (Nat.), Hot Surface
Pilot Assembly (LP), Hot Surface
Pilot Assembly (Nat.), Spark
Pilot Assembly (LP), Spark

Burner with Pilot Bracket

Main Burner

Main Gas Valves
Valve, Hot Surface, (Nat.) SV9501H315
Valve, Hot Surface, (Nat.) SV9601H4601
Valve, Hot Surface, (LP) SV9501H3423
Valve, Spark (Nat.) VR8304
Valve, Spark (LP) VR8304

Gas Orifices
(0-2000 FT.) Nat., Orifices
(2001-5000 FT.) Nat., Orifices
(5001-8000 FT.) Nat., Orifices
(8001-10,000 FT.) Nat., Orifices
(0-5000 FT.) LP, Orifices
(5001-8000 FT.) LP, Orifices
(8001-10,000 FT.) LP, Orifices

Gas Manifold

Electrical System
7.

Relay, DPNO

Transformerll5/24V(50VA)

Switch, Air Pressure (0-5000 FT.)
Switch, Air Pressure (5001-10000 FT.)

10. Blower/Motor, Induced Draft
11. Switch, Roll-out Safety
12. Switch, Limit
13. Ignition Control, Nat. (S8600F)

Ignition Control, LP (S861 OM)

14. Terminal Strip
15. Fuse, 2 amp

Water System
16. Heat Exchanger
17. Gauge, Temperature/Pressure
18. Gauge, Temperature
19. Valve, Pressure Relief 30 PSI
20. Well, Immersion
21. Valve, Drain 1/2' NPT

Jacket and Fire Box Components
22. Base Weldment
23. Front Panel Weldment
24. Rear Panel
25. Left Side Panel
26. Right Side Panel
27. Top, Front Section
28. Top, Rear Section
29. Heat Shield, Rear Panel
30. Heat Shield, Front Panel
31. Left Support Rail
32. Right Support Rail
33. Flue Collector Weldment
34. Burner Tray Weldment
35. Control Box Weldment
36. Control Box Cover
37. Burner Cover
38. Orifice Plate, Nat. (0-5000 FT.)

Orifice Plate, Nat. (5001-10,000 FT.)
Orifice Plate, LP (0-5000 FT.)
Orifice Plate, LP (5001-10,000 FT.)

39. Tile Cover
40. Heat Exchanger Baffle
41. Front Refractory
42. Rear Refractory
43. Securement Cable
44. Flue Outlet Weldment (0-5000 FT.)

Flue Outlet (5001-10,000 FT.)

Part Number

JVH-125

JVP-125

JVH-160

JVP-160

JVH-225

JVP-225

W2001800

—

W2001800

—

W2001900

—

W2001900

—

W0030600

—

W0030600

—

W0030600

—

W0039600

—

W0039600

—

W0039600

L0056500

L0052500

V2001800

—

V2001800

—

V2001900

—

V2002300

—

V2002300

—

V2002300

—

V2002200

—

V2002200

—

V2002200

—

V0073600

—

V0073600

—

V0073600

L0032200

L0050700

L0032600

LD032600

L0050300

L0032900

L0032800

L0032700

L0032800

L0052604

LD052605

E0088400

E2074400

E2074502

E2074503

E2074505

E2074506

A2000200

E2103200

E0098700

—

E0094001

—

E0094001

—

E0094001

—

E2102800

—

E2102800

—

E2102800

E0098500

E2043600

20404704

20404705

20404706

A2000400

A2000600

A0069000

E2058300

P0066600

P00666DO

P0066600

P00666DO

P0066600

20400704

20400705

20400706

20404204

20404205

20404206

20403102

20403103

20403104

20403201

20403202

20404004

20404005

20404006

20404104

20404105

20404106

20403402

20403403

20403404

20406601

20406602

20406603

20404401

20404402

20403904

20403905

20403906

20403004

20403005

20403006

20087200

20087100

20403304

20403305

20403306

20404605

20404607

20404609

20404605

20404606

20404608

20404606

20404608

20404610

20404604

20404606

20404612

10469504

10469505

10469506

10485307

10485305

10485306

T2007704

T2007705

T2007706

T2007804

T2007805

T2007806

F2007004

F2007005

F2007006

20400400

120400400

20400400

120400400

20400400

D2004201

Summary of Contents for Mini-Therm JVi JVH

Page 1: ...l is not followed exactly 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 t...

Page 2: ...bustion Air Supply 5 1H Venting 6 1H 1 Vertical Venting Category I 7 1H 2 Horizontal Venting Category III 8 1H 3 Common Venting System 9 1I Water Piping of Boiler System 10 1I 1 By Pass Piping 10 1J C...

Page 3: ...elected to provide for correct system design water temperature rise Table 2 details temperature rise and water flow for the Mini Therm boilers SECTION 1 General Information WARNING The JVi induced dra...

Page 4: ...to be installed in a garage all burners and burner ignition devices must have a minimum 18 457mm clearance above the floor 4 The Model JVi 50 through JVi 225 boilers can be installed in a closet as lo...

Page 5: ...the surrounding area as outlined in the latest edition of C B 2 4 6 1 A DRAIN 11 8 298 6 152 7 178 24 610 REF INDUCED DRAFT BLOWER MOTOR PULL OUT GAS MANIFOLD BURNER TRAY TEMP PRESSURE GAUGE TEMPERATU...

Page 6: ...an is used to supply air to the boiler room the installer should make sure it does not create drafts which could cause nuisance shutdowns If a blower is necessary to provide adequate combustion air to...

Page 7: ...ached to it Do not weld the vent pipe to the boiler collar The weight of the stack must not rest on the boiler The boiler top must be easily removable for normal boiler service and inspection Avoid te...

Page 8: ...ing of 400 F 204 C see Table 9 for a list of approved sealing materials Use at least three corrosion resistant screws at each slip joint when required Description Manufacturer Product High Temperature...

Page 9: ...onnected to the common venting system are located and other spaces of the building Turn on clothes dryers and any gas burning appliance not connected to the common venting system Turn bathroom exhaust...

Page 10: ...to expansion and contraction of copper pipe consideration should be given to the type of hangers used Rigid hangers could transmit noise through the system caused by the piping sliding in the hangers...

Page 11: ...Mini Therm JVi Page 11...

Page 12: ...w switch it should be wired in series with the high limit switch The boiler will not fire unless the pump is running and the flow switch is closed Field installed safety devices and operating controll...

Page 13: ...Mini Therm JVi Page 13 Figure 11 Wiring Diagram JVP Figure 10 Wiring Diagram JVH...

Page 14: ...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 Valves W...

Page 15: ...ing these instructions Figure 15 Main Burner Pilot Flame Pattern SECTION 2 Operating Procedures Before placing the boiler in operation check and reset the safety shutoff devices Once the boiler is con...

Page 16: ...f water temperature is below the limit setting the inducer motor relay will turn on the draft inducer 4 Pressure switch will sense the fan inducer operation and send 24 volts to the flame rollout swit...

Page 17: ...ll next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any pho...

Page 18: ...ft side of the heater which must be removed to drain that side Both sides must be drained 10 The gas and electric controls on the boiler are engineered for long life and dependable operation but the s...

Page 19: ...on the terminal board and from the orange wire terminal on the pump relay to the W connection on the terminal board If no output is found the connections or the pump relay could be defective 6 Place...

Page 20: ...gh boiler Check temperature rise between inlet and outlet boiler piping 15 F 8 C to 25 F 14 C temperature rise is recommended If temperature rise is over 25 F 14 C increase pipe size or pump capacity...

Page 21: ...ER UNPLUG IGNITER MEASURE VOLTAGE AT TWO BOTTOM TERMINAL OF SV9501 SV9601 24 VAC NOMINAL YES YES YES YES YES NO NO NO YES NO NO NO Troubleshooting Honeywell SV9501 SV9601 Hot Surface Pilot System REPL...

Page 22: ...ked Check electrical connections between module and pilot operator on gas control Check for 24 Vac across PV MV PV terminals on module If voltage is okay replace gas valve if not replace module Check...

Page 23: ...Also known as radiation Isolation Valve Used to isolate the boiler from the circuit It minimizes the amount of water drained from the system Primary Secondary Piping Two or more interconnecting circu...

Page 24: ...032900 L0032900 L0032900 L0032900 L0032900 L0032900 L0032800 L0032800 L0032800 L0032800 L0032800 L0032800 L0032700 L0032700 L0032700 L0032700 L0032700 L0032700 L0052601 L0052601 L0052602 L0052602 L005...

Page 25: ...0032900 L0032900 L0032800 L0032800 L0032800 L0032800 L0032800 L0032800 L0032700 L0032700 L0032800 L0032800 L0032800 L0032800 L0052604 L0052604 LD052605 LD052605 LD052605 LD052605 E0088400 E0088400 E00...

Page 26: ...4 Tee 1 2 Coupling Model 50 100 1 2 Close Nipple Front Panel Insulation Items 13 14 15 and 30 are not shown 18 19 17 24 29 39 42 16 22 21 26 34 2 6 1 11 5 37 4 3 41 40 Rear Panel Insulation 12 36 7 7...

Page 27: ...Mini Therm JVi Page 27...

Page 28: ...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...

Search results

Summary of Contents for Mini-Therm JVi JVH

Reviews:

Related manuals for Mini-Therm JVi JVH

Brands by name

Popular brands

Laars Mini-Therm JVi JVH, Installation And Operation Instructions Manual

Search results

Summary of Contents for Mini-Therm JVi JVH

Reviews:

Related manuals for Mini-Therm JVi JVH

Brands by name

Popular brands