Wood Stone MOUNTAIN Series Manuel utilisateur

Toll Free 800.988.8103

Tel 360.650.1111

Fax 360.650.1166

www.woodstone-corp.com

WOOD STONE CORPORATION

1801 W. Bakerview Rd.

Bellingham, WA 98226 USA

MOUNTAIN SERIES

Commercial & Residential Stone Hearth Oven

Gas-Fired, Wood-Fired and

Gas/Wood Combination Models

MOUNTAIN SERIES WS-MS-(4, 5, 6, 7)

MOUNTAIN HOME WS-MH-(4, 5)

TRADITIONAL SERIES WS-TS-(5,6)

DOC NO M0014.09 REVISED APRIL 2019

Service Manual

Mountain Series

Service Manual

PG 2 OF 56

M0014.09 APRIL 2019

An ongoing program of product improvement may

require us to change specifications without notice.

WOOD STONE CORPORATION

1801 W. Bakerview Rd.

Bellingham, WA 98226 USA

TOLL FREE 800.988.8103

TEL 360.650.1111

FAX 360.650.1166

E-MAIL info@woodstone-corp.com

woodstone-corp.com

TABLE OF CONTENTS

Mountain Series Ovens� � � � � � � � � � � � � � � � � � � � � � � 3

Before You Begin�� 4

Product Overview� � � � � � � � � � � � � � � � � � � � � � � � � � � 5

Venting � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6

Wood-Fired Oven Overview� � � � � � � � � � � � � � � � � � � � 7

Wood Oven Troubleshooting � � � � � � � � � � � � � � � � � � � 8

Electrical Diagram (Wood)� � � � � � � � � � � � � � � � � � � � � 9

Gas Oven Overview � � � � � � � � � � � � � � � � � � � � � � � � 10

Operational Overview (Gas)� � � � � � � � � � � � � � � � � � � 11

OPERATIONAL SEQUENCE

W-IR� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 12

RFG � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 13

RFG-IR � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 14

Legacy � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 15

Gas Oven Components� � � � � � � � � � � � � � � � � � � � � � 16

Oven Controllers � � � � � � � � � � � � � � � � � � � � � � � � � � 17

Gas System Components � � � � � � � � � � � � � � � � � � � � 20

Gas Oven Troubleshooting � � � � � � � � � � � � � � � � � � � 22

Burner Troubleshooting� � � � � � � � � � � � � � � � � � � � � � 30

IR Burner Troubleshooting� � � � � � � � � � � � � � � � � � � � 34

Common Repair Procedures � � � � � � � � � � � � � � � � � � 36

Gas Component Diagrams � � � � � � � � � � � � � � � � � � � 39

Electrical Diagrams � � � � � � � � � � � � � � � � � � � � � � � � 43

Parts List� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 50

Gas Speciﬁcations � � � � � � � � � � � � � � � � � � � � � � � � � 52

Electrical Speciﬁcations � � � � � � � � � � � � � � � � � � � � � 54

Technical Veriﬁcation Checklist � � � � � � � � � � � � � � � 55

Limited Warranty � � � � � � � � � � � � � � � � � � � � � � � � � � 56

Mountain Series

Service Manual

PG 3 OF 56

M0014.09 APRIL 2019

An ongoing program of product improvement may

require us to change specifications without notice.

WOOD STONE CORPORATION

1801 W. Bakerview Rd.

Bellingham, WA 98226 USA

TOLL FREE 800.988.8103

TEL 360.650.1111

FAX 360.650.1166

E-MAIL info@woodstone-corp.com

woodstone-corp.com

MOUNTAIN SERIES OVENS

WOOD STONE OVEN SERVICE MANUAL FOR GAS-FIRED AND WOOD-FIRED

MOUNTAIN SERIES OVENS

FOR WS-MS-(4, 5, 6 AND 7) MODELS

TS-(5, 6) MODELS

ADDITIONAL COPIES AVAILABLE UPON REQUEST

This manual is for use only by qualiﬁed service personnel. It is recommended that this oven be

installed, maintained and serviced by qualiﬁed professionals. Warning: Improper installation,

adjustment, alteration, service or maintenance can result in property damage, injury or death.

Read the installation, operation and maintenance instructions thoroughly before installing or

servicing this equipment.

Mountain Series

Service Manual

PG 4 OF 56

M0014.09 APRIL 2019

An ongoing program of product improvement may

require us to change specifications without notice.

WOOD STONE CORPORATION

1801 W. Bakerview Rd.

Bellingham, WA 98226 USA

TOLL FREE 800.988.8103

TEL 360.650.1111

FAX 360.650.1166

E-MAIL info@woodstone-corp.com

woodstone-corp.com

BEFORE YOU BEGIN...

INTRODUCTION

This manual primarily covers the Mountain Series (MS) gas-ﬁred, wood-ﬁred and wood/gas ovens� Most of the general and

troubleshooting information applies to other Wood Stone models as well� For speciﬁc information regarding other models, please

contact the Wood Stone Service Department� This manual is for use only by Trained and Qualiﬁed Service Personnel�

WARNING: Improper installation adjustment, alteration, service or maintenance can result in property damage, injury or death�

Please read and understand all pertinent instructions before attempting to install or perform any kind of service on this equipment�

BE SAFE.

SERVICE DEPARTMENT AND WARRANTY INFORMATION

If you have any questions please call the Wood Stone Service Dept� at 1-800-988-8103� Normal hours are 8 a�m� to 5p�m� Paciﬁc

Standard Time Monday through Friday� After hours and on weekends call and follow the instructions to leave a message on the

emergency service voice mail� A Wood Stone technician will be paged and return your call promptly�

YOU MUST CONTACT WOOD STONE BEFORE PROCEEDING WITH ANY WARRANTY SERVICE.

We encourage you to call whenever any service is performed� By doing this we can direct you toward the best solution to the

problem� It also allows us to check and update the service history we keep for each oven� Our goal is to help you service the

equipment correctly and as efﬁciently as possible�

Parts are available through Wood Stone� Please contact the factory for pricing� Additional Service Manuals and Installation and

Operation Manual are also available�

The Installation and Operation Manual may also be downloaded from the Wood Stone web site at: www�woodstone-corp�com�

Mountain Series

Service Manual

PG 5 OF 56

M0014.09 APRIL 2019

An ongoing program of product improvement may

require us to change specifications without notice.

WOOD STONE CORPORATION

1801 W. Bakerview Rd.

Bellingham, WA 98226 USA

TOLL FREE 800.988.8103

TEL 360.650.1111

FAX 360.650.1166

E-MAIL info@woodstone-corp.com

woodstone-corp.com

PRODUCT OVERVIEW

THE FOUR CATEGORIES OF THE MOUNTAIN SERIES OVENS

-W MODELS

Wood-only models use wood as the only heat source� See the Installation and Operation Manual for speciﬁc information regarding

the burning of wood�

RFG MODELS

These models have a Radiant ﬂame burner located at the rear or, optionally, on either side of the oven� This burner is designed

to give the appearance of a wood-ﬁre type ﬂame� The burner runs continuously when the oven is turned on� The oven has a

manually controlled Throttle Valve, the Flame Height Control Knob, to raise and lower the ﬂame to control the oven temperature�

RFG-IR MODELS

These models have a Radiant ﬂame burner as well as a thermostatically controlled, Underﬂoor Infrared (IR) burner� The Radiant

burner is the main heat source in this oven� This burner is designed to give the appearance of a wood-ﬁre type ﬂame� The burner

runs continuously when the oven is turned on� The oven has a manually controlled Throttle Valve to raise and lower the ﬂame to

control the oven temperature� The Underﬂoor IR Burner is designed to assist in initial heat-up and periods of high production�

W-IR

These are wood-ﬁred models with a thermostatically controlled Underﬂoor Infrared (IR) burner� The wood ﬁre is the main heat

source� The underﬂoor burner is designed to assist in initial heat-up and periods of high production�

Gas-ﬁred ovens that include a “-W” in the model number are conﬁgured to allow the burning of wood in addition to the gas

burners� See the Installation and Operation Manual for speciﬁc information regarding the burning of wood�

Mountain Series

Service Manual

PG 6 OF 56

M0014.09 APRIL 2019

An ongoing program of product improvement may

require us to change specifications without notice.

WOOD STONE CORPORATION

1801 W. Bakerview Rd.

Bellingham, WA 98226 USA

TOLL FREE 800.988.8103

TEL 360.650.1111

FAX 360.650.1166

E-MAIL info@woodstone-corp.com

woodstone-corp.com

VENTING

VENTING AND INSTALLATION INFORMATION

Complete installation and venting information can be found in the Installation and Operation Manual supplied with the oven�

Additional copies are available online at: woodstone-corp�com or call Wood Stone� Below is a brief overview�

OVEN VENTING

The Wood Stone Mountain Series ovens may be installed under a hood, or direct connected� All ductwork must be constructed

and installed to the speciﬁcations of a grease duct� If a hood is used it must be a Type 1 hood (grease-rated)� A power ventilator

listed for restaurant exhaust applications must be provided� If ﬁre suppression is required by the local jurisdiction, the oven must

then be vented with a Type 1 hood�

It is never appropriate to use “B vent” in any part of an exhaust system connected to a Wood Stone oven�

Submit your venting plans to your local authorities before proceeding with your installation, as there may be additional

requirements in your area�

All non-solid fuel venting systems should be inspected and cleaned at least every 3 months�

Mountain Series

Service Manual

PG 7 OF 56

M0014.09 APRIL 2019

An ongoing program of product improvement may

require us to change specifications without notice.

WOOD STONE CORPORATION

1801 W. Bakerview Rd.

Bellingham, WA 98226 USA

TOLL FREE 800.988.8103

TEL 360.650.1111

FAX 360.650.1166

E-MAIL info@woodstone-corp.com

woodstone-corp.com

WOOD-FIRED OVEN OVERVIEW

WOOD-FIRED OVENS

TEMPERATURE READOUT

The only electrical components on the wood-ﬁred ovens are in the Temperature Readout Display at the front of the oven� Be

aware that these displays are often relocated to an area beside the oven to accomodate kitchen design requirements� The

assembly is made up of three components:

1. A Thermocouple that is installed into the ﬂoor of the oven from below�

2. A Temperature Readout Assembly, with settings adjustable between Fahrenheit and Centigrade�

3. A Transformer, available as 120 VAC or 240 VAC� Outputs 12 VAC to power the Readout Display�

TEMPERATURE READOUT COMPONENTS

Readout Assembly Faceplate

Readout Display Thermocouple

Mountain Series

Service Manual

PG 8 OF 56

M0014.09 APRIL 2019

An ongoing program of product improvement may

require us to change specifications without notice.

WOOD STONE CORPORATION

1801 W. Bakerview Rd.

Bellingham, WA 98226 USA

TOLL FREE 800.988.8103

TEL 360.650.1111

FAX 360.650.1166

E-MAIL info@woodstone-corp.com

woodstone-corp.com

WOOD OVEN TROUBLESHOOTING

Display does not light 1. Breaker to oven tripped or turned off

2. If the breaker is ﬁne, verify proper incoming power at input side of

Transformer� If incoming power is present, verify 12 VAC at output of

Transformer� If 12 VAC present replace temperature readout� If 12 VAC is

not present, replace the Transformer�

Display lights but readout is

erratic or displays ”EEE”

Check that the Thermocouple connections on the readout module are

correct: Red to TC- (negative), yellow to TC+ (positive)�

If the connections are good, remove the Thermocouple wires from

the display� Jumper between TC+ and TC- on the display; the display

should show the ambient temperature� If it does not display the ambient

temperature, replace the readout� If the readout displays the ambient

temperature (when jumpered), replace the Thermocouple�

Note: Some models may include a plug connection between the readout

box and the Thermocouple� If applicable, check this connection� If this

connection is defective, remove and wire the Thermocouple directly�

CRACKING IN THE FLOOR OR DOME OF THE OVEN

Some cracking of the oven refractory, especially hairline cracking, is completely normal and in no way degrades the performance

of the oven� Any abnormal or extreme cracking (larger than 1/8 inch) should be brought to the attention of the Wood Stone

Service Department� Do not attempt any type of repair to the oven refractory unless speciﬁcally instructed to do so by the factory,

and then, only with materials supplied by Wood Stone�

Symptom Probable Cause and/or Solution

Mountain Series

Service Manual

PG 9 OF 56

M0014.09 APRIL 2019

An ongoing program of product improvement may

require us to change specifications without notice.

WOOD STONE CORPORATION

1801 W. Bakerview Rd.

Bellingham, WA 98226 USA

TOLL FREE 800.988.8103

TEL 360.650.1111

FAX 360.650.1166

E-MAIL info@woodstone-corp.com

woodstone-corp.com

ELECTRICAL DIAGRAM (WOOD)

Solid Fuel Only

DATE:

DIAG #: WD051 Rev. 0

3/27/2014

Bellingham, WA +1(360)650-1111 www.woodstone-corp.com

Thermocouple Readout

12 VAC Yellow + Red -

GND

XFMR

110-120 VAC

50-60Hz

wired by others Type K

Thermocouple

Probe

Solid Fuel Only EM-2V

DATE:

DIAG #: WD052 Rev. 0

3/27/2014

Bellingham, WA +1(360)650-1111 www.woodstone-corp.com

Thermocouple Readout

12 VAC Yellow + Red -

TB-A

GND

XFMR

220-240 VAC

50-60Hz

wired by others Type K

Thermocouple

Probe

120 VAC

240 VAC

Mountain Series

Service Manual

PG 10 OF 56

M0014.09 APRIL 2019

An ongoing program of product improvement may

require us to change specifications without notice.

WOOD STONE CORPORATION

1801 W. Bakerview Rd.

Bellingham, WA 98226 USA

TOLL FREE 800.988.8103

TEL 360.650.1111

FAX 360.650.1166

E-MAIL info@woodstone-corp.com

woodstone-corp.com

GAS OVEN OVERVIEW

GAS OVENS - OPERATIONAL OVERVIEW AND COMPONENTS

RFG-IR

IR and Radiant burner

Radiant burner only

RFG

IR burner only

W-IR

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