Picard HR-70-22 User manual

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OPERATION, MAINTENANCE
AND PARTS MANUAL
Hotrock
SERIAL NUMBER
( )
MU-HR-E-00
2010
12/02/2015

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STICKERS YOU WILL FIND ON YOUR OVEN:
ATTENTION BRÛLANT
C A U T I O N H O T
DANGER-WARNING
Never put your hands inside the oven while the stone
conveyor is moving.

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WARNINGS
FOR YOUR SAFETY:
Do not store or use gasoline or other flammable vapours or liquids in the vicinity of this
oven or any other appliance.
WARNING
Improper installation, adjustment, alteration, service or maintenance may result in
property damage, injury or even death. Read the installation operating guidelines and
maintenance instructions thoroughly before installing or servicing this equipment.
THIS MANUAL MUST BE KEPT FOR FUTURE REFERENCE.
STORE IT IN A PLACE EASILY ACCESSIBLE.
IF A GAS ODOR IS DETECTED
Close immediately the manual gas control valve.
Do not try to turn on any appliances.
Do not touch any electrical switch; do not use any phones in your building.
Immediately contact your gas supplier using a neighbor’s phone. Follow the gas
supplier’s instructions.
If you cannot reach your gas supplier, contact the fire department.

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MODEL / MODÈLE:
GAS / GAZ:
SERIAL / SÉRIE:
MAN. PRESSURE/PRESSION D’ÉCHAP.:
ELECTRICITY /ÉLECTRICITÉ:
LINE PRESSURE/ PRESSION D’ENTRÉE
AMPS / AMPÈRE:
NOZZEL / ORIFICE :
HP / CV:
INPUT / DÉBIT (BTU/H)

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CONGRATULATIONS!
YOU ARE NOW THE OWNER OF A NEW PICARD TUNNEL OVEN!
Regarding your business concern, we are convinced that you will enjoy your equipment
and, on behalf of the company, we do appreciate your choice.
Your new tunnel oven was built using the latest technology and was designed with
production proven reliability. A team of experienced technicians completed the
manufacturing of the approved equipment committed to excellence.
MANUFACTURING IMPROVEMENTS AND FEATURES
-Specially designed for all-purpose baking.
-Designed and built with care and precision for trouble-free running.
-Easy to operate and clean.
-Because most of the manufacturing can now be done in our factory, the result is a
better end product.
-Application of different kinds of hi-tech on electronics and materials.
FOR YOUR SAFETY, THIS OVEN CONFORMS TO
CSA Std. 1.8-2006 (R2012)
ANSI Std. Z83.11-2006 (2012)
ANSI/NSF STD. 4-2009

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TABLE OF CONTENTS
MANUAL INSTALLATION 13
Distance to keep from flammable product 13
Power and pressure 13
Cautions 14
Operating, installing and technical service 15
Flue connections 16
External dimensions 18
MANUAL INSTRUCTIONS 19
Starting up and shutting off your oven 19
Touchscreen control panel 20
MAINTENANCE 28
Maintenance chart 28
PRE-DRYING 30
ELECTRICAL DIAGRAM 31
WARRANTY 35
APPENDIX 37

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MINIMAL DISTANCE REQUIRED BETWEEN THE
OVEN AND FLAMMABLE MATERIAL
Combustible and non combustible materials: 2 inch clearance.
GAS CAPACITY AND PRESSURE
MODEL
ORIFICE
TYPE OF
GAS
CAPACITY
BTU
LINE PRESSURE
MANIFOLD
PRESSURE
HR-70-22
5.6MM
Propane
80,000
5-14’’ WATER COLUMN
0’’ WATER COLUMN
Natural
HR-70-33
Propane
120,000
Natural
HR-93-22
Propane
160,000
Natural
HR-93-33
Propane
200,000
Natural
NOTE
Picard gas units are manufactured only to be used with the type of gas specified on the unit rating
plate.
The installation must be in accordance with local codes, or in the absence of local codes, to the
ANSI Z223.1 / NFPA 54 (National Fuel Gas Code) or
CAN/CSA-B149.1 (Natural and or propane gas installation code)

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WARNING!
DO NOT SPRAY LIQUIDS OR VAPORS ON OR NEAR ELECTRICAL
EQUIPMENT . DO NOT USE THIS APPLIANCE IF ANY OF ITS PARTS
HAVE BEEN UNDER WATER . CONTACT IMMEDIATELY A QUALIFIED
SERVICE TECHNICIAN TO INSPECT THE APPLIANCE AND TO
REPLACE ANY PARTS OF THE CONTROL SYSTEM AND GAS CONTROL
WHICH HAVE BEEN UNDER WATER.

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OPERATING, INSTALLING AND TECHNICAL SERVICE :
WARNING!
Operational information on this equipment has been prepared to be used by a qualified and/or
authorized operating personnel. All installation and/or service on this equipment is to be
performed by qualified, certified, licensed and/or authorized installation or service technician.
Service may be obtained by contacting the factory service department, factory representative or
local service agency.
DEFINITIONS :
- QUALIFIED AND/OR AUTHORIZED GAS TECHNICIAN:
Qualified or authorized operating personnel are those who have carefully read the information
in this manual and are familiar with the equipment's functions or have had previous experience
operating the type of equipment covered in this manual.
- QUALIFIED INSTALLATION PERSONNEL:
Qualified installation personnel can be represented by: an individual, a firm, a corporation or a
company which, either in person or through a representative, is involved and is responsible for:
1. The installation of gas piping from the outlet side of the gas meter or service regulator when
the meter is not provided, and the connection and installation of the gas appliance. The
qualified installation technician must be experienced in such work, be familiar with all
required precautions, and have complied with all requirements of state or local authorities
having jurisdiction. Reference in Canada: Canadian Standard CAN/CSA-B149.1 and
Z223.1 / NFPA 54 (Natural and/or propane gas installation code)
2. The installation of electrical wiring from the electric meter, main control box or service
outlet to the electric appliance. The qualified installation technician must be experienced in
such work, be familiar with all required precautions, and have complied with all
requirements of state or local authorities having jurisdiction.
3. The appliance, when installed, must be electrically grounded in accordance with local
codes, or in the absence of local codes, with the National Electrical code ANSI/NFPA 70,
or the Canadian Electrical code, CSAC22.1 No 109 or conform to UL STD 197.

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PICARD TUNNEL FLUE CONNECTIONS
For installation under a ventilation hood only.
Do not have fans blowing directly on the oven and, wherever possible, avoid opening windows
next to the oven sides or back or using wall type fans, which create crosscurrents of air within
the room.
IMPORTANT
This oven is to be installed in an area with adequate air supply and (adequate) clearance
for air openings into the combustion chamber of the unit.
CAUTIONS
The areas surrounding the front, rear and sides of the unit should be kept clear so that
the necessary air flow, which is required for proper combustion and operation, isn’t
blocked. Unit should also be positioned for easy maintenance.
WARNING
The Picard oven must be interlocked with the venting hood, using a pressure or a
vacuum switch (refer to the electrical diagram on page 25).
GAS ENTRY CONNECTION
The tunnel oven on casters must be connected to the gas line by a flexible tubing. A safety
chain must join the tunnel oven to the wall to prevent it from moving. The length of the safety
chain must refrain the flexible tubing from tightening.
IMPORTANT
All exhaust systems are required to have make-up air system that replaces 100% of the
exhaust air. Windows, doors, or other openings into the establishment cannot be used
for the purposes of providing make-up air. A separate duct providing air into the
building is required.

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TYPE OF FLUE CONNECTION
Or you could also use two small hoods. One at the entry and the other at the exit.
IMPORTANT
The drawing above is used as an example to illustrate how the oven should be properly connected.
GAS ENTRY CONNECTION
The tunnel oven on casters must be connected to the gaz line by a flexible tubing. A safety chain
must join the tunnel oven to the wall to prevent it from moving. The length of the safety chain must
refrain the flexible tubing from tightening.
WARNING
The Picard oven must be interlocked with the venting hood, using a pressure or a vacuum
switch (refer to the electrical diagram on page 25).

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PICARD TUNNEL OVEN EXTERNAL DIMENSIONS

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FOR YOUR SAFETY, READ BEFORE OPERATING
WARNING : Failure to follow these instructions carefully may result in a fire or explosion
that may cause property damage, personal injury or death.
1. This appliance does not have a pilot. It is equipped with an ignition device which
automatically lights the burner. Do not try to light the burner by hand.
2. BEFORE OPERATING, smell all around the appliance for gas. Be sure to smell close to
the floor because some gases are heavier than air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
-Close immediately the manual main gas valve.
-Do not try to turn on any appliances.
-Do not touch any electric switch; do not use any phones in your building.
-Immediately contact your gas supplier using a neighbor’s phone. Follow the gas
supplier’s instructions.
-If you cannot reach your gas supplier, contact the fire department.
NOTE : IF YOU HAVE TO RESTART THE APPLIANCE, YOU MUST WAIT 5
MINUTES IN ORDER TO CLEAR OUT ANY REMAINING GAS IN THE
OVEN.

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TOUCHSCREEN CONTROL PANEL
Main Display Screen
Displays and Settings
1.1
1.6
1.8
1.4
1.2
1.3
1.9
1.10
1.7
1.5
1.11
display
Power on/off