Wood Stone MOUNTAIN CE Series User manual

MOUNTAIN SERIES - CE
Stone Hearth Oven
Gas-Fired, Gas/Wood Combination,
European Models
MT. CHUCKANUT WS-MS-4-(RFG-(IR)-(W)-CE
MT. ADAMS WS-MS-5-(RFG)-(IR)-(W)-CE
MT. BAKER WS-MS-6-(RFG)-(IR)-(W)-CE
MT. RAINIER WS-MS-7-(RFG)-(IR)-(W)-CE
Service Manual
Tel [phone]
Fax [phone]
www.woodstone-corp.com
WOOD STONE CORPORATION
1801 W. Bakerview Rd.
Bellingham, WA 98226 USA
DOC NO M0012.02 REVISED May 2017

Mountain Series CE Models
Service Manual
PG 2 OF 36
M0012.02 MAY 2017
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 [phone]
FAX [phone]
E-MAIL [e-mail]
woodstone-corp.com
TABLE OF CONTENTS
TABLE OF CONTENTS
Cautions & Warnings � � � � � � � � � � � � � 3
Introduction � � � � � � � � � � � � � � � � � � � 4
Wood-Fired Ovens � � � � � � � � � � � � � � � 5
Wood: Electrical Diagram � � � � � � � � � � � 6
Gas-Fired Ovens � � � � � � � � � � � � � � � � 7
RFG Operation Sequence� � � � � � � � � � � 8
RFG-IR Operation Sequence � � � � � � � � � 9
Gas Oven Components � � � � � � � � � � � 10
Gas Oven Components � � � � � � � � � � � 12
Controller Functions � � � � � � � � � � � � � 13
Controller Troubleshooting � � � � � � � � � 14
Gas Burner Troubleshooting � � � � � � � � 16
Common Repair Procedures � � � � � � � � 23
Gas Component Layout � � � � � � � � � � � 25
RFG Wiring Diagram � � � � � � � � � � � � � 26
RFG Controller Wiring � � � � � � � � � � � � 27
RFG-IR Wiring Diagram � � � � � � � � � � � 28
Parts List� � � � � � � � � � � � � � � � � � � � 29
Utility Specifications � � � � � � � � � � � � � 30
Start-Up Checklist � � � � � � � � � � � � � � 32
Limited Warranty � � � � � � � � � � � � � � � 34

Mountain Series CE Models
Service Manual
PG 3 OF 36
M0012.02 MAY 2017
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 [phone]
FAX [phone]
E-MAIL [e-mail]
woodstone-corp.com
CAUTIONS & WARNINGS
IMPORTANT: Consult your local gas supplier for a statement outlining a procedure to be followed in the
event you smell gas. Post the statement in a prominent location.
FOR YOUR SAFETY: Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or
any other appliance. Also, always keep the area under and around this appliance free and clear of any and all
combustible materials.
WHEN THE OVEN IS NOT PROPERLY INSTALLED, A FIRE MAY RESULT.
TO REDUCE RISK OF FIRE, FOLLOW THE INSTALLATION INSTRUCTION.
A MAJOR CAUSE OF OVEN RELATED FIRES IS A
FAILURE TO MAINTAIN REQUIRED CLEARANCES
TO COMBUSTIBLE MATERIAL. IT IS OF UTMOST
IMPORTANCE THAT THIS OVEN BE INSTALLED ONLY
IN ACCORDANCE WITH THESE INSTRUCTIONS.
WARNING: Improper installation, adjustment, alteration, service or maintenance can cause property damage,
injury or death. Read the installation, operating and maintenance instructions thoroughly before installing or
servicing this equipment.
IMPORTANT: It is recommended that this oven be installed, maintained and serviced by authorized professionals.
Wood Stone CE Listed Gas Oven and Wood Oven Service Manual
THIS MANUAL IS FOR USE ONLY BY TRAINED AND QUALIFIED SERVICE PERSONNEL.

Mountain Series CE Models
Service Manual
PG 4 OF 36
M0012.02 MAY 2017
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 [phone]
FAX [phone]
E-MAIL [e-mail]
woodstone-corp.com
INTRODUCTION
WOOD STONE OVEN SERVICE MANUAL INTRODUCTION
Welcome to the Wood Stone Oven Service manual. This manual covers the entire line of wood and gas fired ovens. If
the unit you are servicing does not appear in this book please call our Service Department for assistance. 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�
PRODUCT OVERVIEW
There are three types of oven configuration available:
1. Wood-fired: Wood is the heat source
2. RFG: Heat source is one or more Radiant flame (dome flame) Burners�
3. RFG-IR (formerly GG): This model includes an additional infrared underfloor Burner as a secondary heat source� Main heat
source is one or more Radiant flame (dome flame) Burners�
SERVICE DEPARTMENT AND WARRANTY INFORMATION
Please contact your local distributor, or you may reach Wood Stone in the U.S. at +1.360.650.1111 or at
www.woodstone-corp.com.
Parts are available through your local distributor. Additional Service Manuals and Installation and Operation Manuals
are also available. Installation and Operation Manuals, and additional installation information, are also available on the
Wood Stone web site at www.woodstone-corp.com.

Mountain Series CE Models
Service Manual
PG 5 OF 36
M0012.02 MAY 2017
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 [phone]
FAX [phone]
E-MAIL [e-mail]
woodstone-corp.com
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 etc�
The assembly is made up of three components:
1. A Thermocouple that is embedded into the floor of the oven�
2. A temperature readout—available in Fahrenheit or Centigrade�
3. A transformer—available as 120 VAC or 240 VAC� Outputs 12 VAC to power the temperature readout�
Symptom Cause and/or Solution
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 3mm (1/8 inch)) should be brought to the attention of your local
distributor� 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�
WOOD READOUT TROUBLESHOOTING
Readout AssemblyThermocouple Faceplate Readout

Mountain Series CE Models
Service Manual
PG 6 OF 36
M0012.02 MAY 2017
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 [phone]
FAX [phone]
E-MAIL [e-mail]
woodstone-corp.com
WOOD: ELECTRICAL DIAGRAM
WOOD OVEN ELECTRICAL DIAGRAM
120 VAC
Wired by others
European ovens
are configured
for 240 VAC

Mountain Series CE Models
Service Manual
PG 7 OF 36
M0012.02 MAY 2017
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 [phone]
FAX [phone]
E-MAIL [e-mail]
woodstone-corp.com
GAS-FIRED OVENS
Wood Stone manufactures two different model types of CE gas fired ovens
1. Radiant Flame Gas (RFG): This model uses a Radiant flame (dome flame) Burner that is designed to give the appearance of
a wood fire� This Burner is the sole heat source in these models� Some variations of this model type may have multiple Radiant
Flame Burners�
2. Infrared Burner (RFG-IR): This model type incorporates both an IR (underfloor) Burner and at least one Radiant flame (Dome
Flame) Burner� The Radiant Flame Burner is the main heat source in this oven� The thermostatically controlled, underfloor IR
Burner is usually only activated during times of peak use and at the beginning of the day when the oven is first turned on�
BURNER FUNCTION
Radiant Flame Burner: The Radiant Burner, located at the back of the oven, is the main heat source for the oven, and it runs
continuously when the oven is turned on� The control for this Burner is the Flame Height Control Knob, located on the front of the
oven, left side� There is no thermostatic control for the Radiant Burner—the operator manually adjusts the flame height with the
Flame Height Control Knob to control the temperature of the oven�
Infrared Burner (IR): The IR is installed beneath the floor of the oven� The IR is controlled independently of the Radiant Burner
by a temperature control located in the oven control box� This box is usually located on the front of the oven on the right side,
but sometimes this might be moved to a different spot to accommodate the type of installation� The control incorporates a
programmable Hearth Set Point and a floor temperature display� Remember the IR is not the primary heat source for the oven�
Radiant
Burner
RFG-IR (GG)RFG
Radiant Burner
IR Burner
OPERATIONAL OVERVIEW

Mountain Series CE Models
Service Manual
PG 8 OF 36
M0012.02 MAY 2017
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 [phone]
FAX [phone]
E-MAIL [e-mail]
woodstone-corp.com
RFG OPERATION SEQUENCE
BURNER OPERATION SEQUENCE
RFG CE OVEN
Pilot lights
Power On
ICS-2 (ignition) Module powers Igniter
and opens Pilot valve
Pilot does not light, ICS-2 Module times out,
Controller will flash “chec”�
ICS-2 Module senses Pilot flame, turns
Igniter off, SV2 opens, Burner lights,
Dome Flame Light comes on
Burner remains on until oven control is
turned off�

Mountain Series CE Models
Service Manual
PG 9 OF 36
M0012.02 MAY 2017
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 [phone]
FAX [phone]
E-MAIL [e-mail]
woodstone-corp.com
RFG-IR OPERATION SEQUENCE
Pilot lights
Power On
BURNER OPERATION SEQUENCE
RFG-IR (GG) CE OVEN - TOUCHPAD CONTROLLER
Radiant Burner - ICS-2 Module
powers Igniter and opens Pilot
valve�
Pilot does not light, ICS-2 Module
times out�
ICS-2 senses Pilot flame, Igniter
off, Dome Flame Indicator
Lightcomes on, SV2 opens,
Radiant Burner lights�
Radiant Burner remains on until
oven is turned off�
IR - If the floor temperature is
above the Hearth Set Point, then
Controller does not power ICS-1
Module (for underfloor Burner)� IR - If the floor temperature is
below the Hearth Set Point, then
Controller sends power to ICS-1,
ICS-1 powers Igniter and opens
Pilot valve�
Pilot lights, ICS-1 senses Pilot
flame, Igniter off, Hearth Heat
light on, SV1 opens, underfloor
Burner lights�
Floor reaches the Hearth Set Point
temperature� Controller turns off
power to ICS-1 and underfloor
Burner shuts off�
Pilot does not light, ICS-1 times
out, Touchpad Controller flashes
“chec”

Mountain Series CE Models
Service Manual
PG 10 OF 36
M0012.02 MAY 2017
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 [phone]
FAX [phone]
E-MAIL [e-mail]
woodstone-corp.com
GAS OVEN COMPONENTS
GAS OVEN COMPONENTS
The following is a list of the key electrical and gas components found in Wood Stone gas ovens, accompanied by
information about the individual parts:
24 VAC TRANSFORMER
This is the power supply for all of the electrical components on the oven� It converts the incoming 230 VAC power to 24 VAC�
TRANSFORMER PLATE ASSEMBLY (PRIOR TO MAY 2015)
TOUCHPAD CONTROLLER
The Type 2 Controller (shown below) is used on RFG-IR gas ovens� It is also used on RFG ovens produced before August 2005� On
the front of the Controller is a Lexan Touchpad with a Hearth Temperature display, and depending on the oven model, Hearth Set Point
controls and display, Dome Flame and Hearth Heat indicator lights, and ON/OFF and F/C functions� On RFG models shipped after
August 2005, a smaller Type 4 Control Board is used� The Type 4 Controller has ON/OFF, F/C functions and a Temperature display�
DIP SWITCH SETTINGS
The larger Type 2 Controller has DIP
switches on the back of the board that
should be set for the appropriate oven
model as shown below:
RFG-IR: Both ON
W-IR: #1 OFF, #2 ON
RFG: Both OFF
The Transformer Plate is located beneath the oven in the front, on the right hand
side� Mounted to the Transformer Plate are two Junction Boxes� The larger Junction
Box contains the 24 VAC transformer, a Line Filter, 1 A fuse for the incoming power,
5 A fuse for the 24 VAC transformer output, and a terminal strip for the incoming
power connection�
Low voltage wiring for the oven is routed through the terminal strips in the smaller
Junction Box located towards the front of the Transformer Plate� It allows easy
voltage testing of various oven components for troubleshooting� Do not alter
any wiring within this box� Under no circumstances should 230 VAC wiring be
connected or routed through this box! No external equipment should be connected
to the low voltage wiring of the oven� This may effect the operation of the oven and
may void the oven warranty�
TRANSFORMER PLATE ASSEMBLY (AFTER MAY 2015)
The Transformer Plate is located beneath the oven on the back stand� It consists of
one of the two types of transformers within an 203x305 mm (8x12") Junction Box�
It allows easy voltage testing to various oven components for troubleshooting� All
wiring harnesses and the Thermocouple are routed through terminal strips within
this box�
Do not alter any wiring within this box or on the oven� No external equipment should
be connected to the low voltage wiring of the oven� This may affect the operation of
the oven and will void the oven warranty�
Transformer Line Filter
Low voltage
terminal strips
1A fuse
Incoming power
connection
5A fuse
Low voltage
terminal strips
Incoming power
connection
2A fuse 5A fuse
Transformer Line Filter