P IMPORTANT INFORMATION P KEEP FOR OPERATOR P IMPORTANT INFORMATION P
OPERATOR MANUAL OM-NHFP
Part Number 121061 DOMESTIC
MODEL: NHFP
Braising Pans
Stainless Steel
Power Tilting
Gas Heated
THIS MANUAL MUST BE RETAINED FOR FUTURE REFERENCE. READ,
UNDERSTAND AND FOLLOW THE INSTRUCTIONS AND WARNINGS CONTAINED
IN THIS MANUAL.
WARNING
DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND
LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE.
POST IN A PROMINENT LOCATION
INSTRUCTIONS TO BE FOLLOWED IN THE EVEN USER SMELLS GAS. THIS
INFORMATION SHALL BE OBTAINED BY CONSULTING YOUR LOCAL GAS
SUPPLIER. AS A MINIMUM, TURN OFF THE GAS AND CALL YOUR GAS COMPANY
AND YOUR AUTHORIZED SERVICE AGENT. EVACUATE ALL PERSONNEL FROM
THE AREA.
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.
OM-NHFP
IMPORTANT — READ FIRST — IMPORTANT
CAUTION: SHIPPING STRAPS ARE UNDER TENSION AND CAN SNAP BACK WHEN CUT.
CAUTION: UNIT WEIGHS 500 TO 600 LB. (230 TO 255 KG). FOR SAFE HANDLING, INSTALLER SHOULD
OBTAIN HELP AS NEEDED, OR EMPLOY APPROPRIATE MATERIALS HANDLING EQUIPMENT
(SUCH AS A FORKLIFT, DOLLY, OR PALLET JACKET) TO REMOVE THE UNIT FROM THE
SKID AND MOVE IT TO THE PLACE OF INSTALLATION.
WARNING: INSTALLATION OF THE BRAISING PAN MUST BE DONE BY PERSONNEL QUALIFIED TO
WORK WITH GAS AND ELECTRICITY. IMPROPER INSTALLATION CAN RESULT IN INJURY TO
PERSONNEL AND/OR DAMAGE TO EQUIPMENT.
WARNING: THIS UNIT IS DESIGNED FOR COMMERCIAL USE. NEVER USE HOME OR RESIDENTIAL
GRADE GAS CONNECTIONS. THEY DO NOT MEET GAS CODES AND COULD BE
HAZARDOUS.
DANGER: ELECTRICALLY GROUND THE UNIT AT THE TERMINAL PROVIDED. FAILURE TO GROUND
UNIT COULD RESULT IN ELECTROCUTION AND DEATH.
WARNING: KEEP THE APPLIANCE AREA FREE AND CLEAR OF COMBUSTIBLE MATERIALS.
CAUTION: BE SURE ALL OPERATORS READ, UNDERSTAND AND FOLLOW THE OPERATING
INSTRUCTIONS, CAUTIONS AND SAFETY INSTRUCTIONS CONTAINED IN THIS MANUAL.
CAUTION: KEEP FLOORS IN BRAISING PAN WORK AREA CLEAN AND DRY. IF SPILLS OCCUR, CLEAN
IMMEDIATELY TO AVOID THE DANGER OF SLIPS OR FALLS.
WARNING: WHEN TILTING BRAISING PAN FOR PRODUCT TRANSFER:
1) WEAR PROTECTIVE OVEN MITT AND PROTECTIVE APRON.
2) USE CONTAINER DEEP ENOUGH TO CONTAIN AND MINIMIZE PRODUCT SPLASHING.
3) PLACE CONTAINER ON STABLE, FLAT SURFACE, AS CLOSE TO PAN AS POSSIBLE.
4) STAND TO SIDE OF PAN WHILE POURING — NOT DIRECTLY IN POUR PATH OF HOT
CONTENTS.
5) RETURN PAN BODY TO LEVEL POSITION AFTER CONTAINER IS FILLED OR TRANSFER
IS COMPLETE.
6) DO NOT OVER FILL CONTAINER. AVOID DIRECT SKIN CONTACT WITH HOT
CONTAINER AND ITS CONTENTS.
WARNING: DO NOT HEAT AN EMPTY PAN FOR MORE THAN 5 MINUTES AT A SETTING HIGHER THAN
300oF.
WARNING: IF THE PAN CONTAINS ITEMS IN SAUCE OR MELTED FAT, THEY CAN SLIDE FORWARD
SUDDENLY DURING TILTING AND CAUSE THE HOT LIQUID TO SPLASH OUT.
WARNING: AVOID ALL DIRECT CONTACT WITH HOT FOOD OR WATER IN THE PAN. DIRECT CONTACT
COULD RESULT IN SEVERE BURNS.
WARNING: KEEP WATER AND SOLUTIONS OUT OF CONTROLS AND BURNERS. NEVER SPRAY OR
HOSE THE CONTROL CONSOLE, OR ELECTRICAL CONNECTIONS.
CAUTION: MOST CLEANERS ARE HARMFUL TO THE SKIN, EYES, MUCOUS MEMBRANES AND
CLOTHING. PRECAUTIONS SHOULD BE TAKEN TO WEAR RUBBER GLOVES, GOGGLES OR
FACE SHIELD AND PROTECTIVE CLOTHING. CAREFULLY READ THE WARNINGS AND
FOLLOW THE DIRECTIONS ON THE LABEL OF THE CLEANER TO BE USED.
WARNING: THE CONTROL BOX IS NOT WATERPROOF. TAKE CARE TO KEEP WATER AND CLEANING
SOLUTIONS OUT OF THE BOX. NEVER HOSE OR SPRAY ELECTRICAL CONTROLS,
CONNECTIONS OR CONTROL CONSOLE.
WARNING: BEFORE REPLACING ANY PARTS, DISCONNECT THE UNIT FROM THE ELECTRIC POWER
SUPPLY AND CLOSE THE MAIN GAS COCK. ALLOW FIVE MINUTES FOR UNBURNED GAS TO
VENT.
CAUTION: USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY GROEN OR
AUTHORIZED DISTRIBUTORS CAN CAUSE INJURY TO THE OPERATOR AND DAMAGE TO
THE EQUIPMENT AND WILL VOID ALL WARRANTIES.
Important: Service performed by other than factory authorized personnel will void all warranties.
2
OM-NHFP
Table of Contents
IMPORTANT OPERATOR WARNINGS .................................................. 2
EQUIPMENT DESCRIPTION .......................................................... 4
INSPECTION AND UNPACKING ....................................................... 5
INSTALLATION ..................................................................... 5
INITIAL START-UP .................................................................. 6
OPERATION ....................................................................... 7
SEQUENCE OF OPERATION .......................................................... 9
CLEANING ........................................................................ 10
MAINTENANCE .................................................................... 12
TROUBLESHOOTING ............................................................... 12
PARTS LIST ....................................................................... 15
DIAGRAMS & SCHEMATICS ......................................................... 18
REFERENCES ..................................................................... 20
MAINTENANCE LOG ................................................................ 21
WARRANTY ....................................................................... 22
3
OM-NHFP
Equipment Description
Groen NHFP Gas Fired Braising Pans provide a
stainless steel pan equipped with heat transfer
fins, burner/combustion chamber, power tilting
mechanism, thermostatic controls, and hinged
cover. The Braising Pan serves as a braising
unit, griddle, fry pan, oven, kettle, bain marie, or
food warmer and server. It can also be adapted
for use as a steamer.
The pan body is constructed of heavy-duty
stainless steel welded into one solid piece, with a
polished interior and a semi-deluxe finish on the
exterior. A pouring lip is welded into the front
wall. The cooking surface is a stainless steel
clad plate fitted with welded heat transfer fins
that assure uniform heat transfer over the entire
surface. The gas burner/combustion chamber
supplies the heat.
The pan is tilted forward by an electrically
powered actuator mechanism. A three-position
switch on the front of the control console gives
the operator positive, smoothly operating control
of tilting. When the pan is tilted, the burners shut
off automatically.
The thermostat provides automatic control of
cooking temperature. The thermostat dial on the
front of the control console turns the heat on or
off and sets the pan temperature.
A fully enclosed, spring-type actuator
counterbalances the cover to keep it opened or
closed. The cover opens to the back and is
hinged to the frame, so that it moves
independently of the pan body.
The NHFP uses an electronic spark ignition
system.
The following models and options are available:
Model Pan Body Dimensions, Inches
Left to
Right
NHFP-3
NHFP-4
Optional Equipment (Any Model)
1. Fill faucet with swing spout
2. Model REJ Steamer Insert
3. Caster mounting kit (factory installation
only)
4. Two inch tangent draw-off
31¾ 9
41d 9
Depth
Firing
Rate
104,000
BTU/hr
144,000
BTU/hr
A vented, heavy gauge, one-piece, stainless
steel cover with rear condensate drip shield on
its underside is standard on the Braising Pan.
4
Inspection and Unpacking
OM-NHFP
The unit will arrive completely assembled,
wrapped in protective plastic on a heavy skid, in
a heavy cardboard carton. Immediately upon
receipt, inspect the carton for damage. Report
any apparent shipping damage or an incorrect
shipment to the delivery agent.
When installation is to begin, get someone to
assist in removing the carton. Lift it straight up
and away from the unit. Do not simply raise it
and push backwards - you will break the
cover assembly vent handle. Write down the
model number, serial number, and installation
date of your unit, and keep this information for
future reference. Space for these entries is
provided at the top of the Service Log in this
manual.
Installation
The NHFP Braising Pan should be installed in a
ventilated room for efficient performance. Items
which might obstruct or restrict the flow of air for
combustion and ventilation must be removed.
The area directly around the braising pan must
be cleared of all combustible material.
Cut the straps holding the unit on the skid, and
lift the unit straight up off the skid.
CAUTION
SHIPPING STRAPS ARE UNDER TENSION
AND CAN SNAP BACK WHEN CUT.
UNIT WEIGHS 500 TO 660 LB (230 TO 255
KG). FOR SAFE HANDLING, INSTALLER
SHOULD OBTAIN HELP AS NEEDED, OR
EMPLOY APPROPRIATE MATERIALS
HANDLING EQUIPMENT (SUCH AS A
FORKLIFT, DOLLY, OR PALLET JACKET)
TO REMOVE THE UNIT FROM THE SKID
AND MOVE IT TO THE PLACE OF
INSTALLATION.
4. Complete the piping to the gas service
by using 1/2 inch IPS pipe or approved
equivalent.
WARNING:
THIS UNIT IS FOR COMMERCIAL USE.
NEVER USE HOME OR RESIDENTIAL
GRADE GAS CONNECTIONS. THEY DO
NOT MEET GAS CODES AND COULD BE
HAZARDOUS.
WARNING
INSTALLATION OF THE BRAISING PAN
MUST BE DONE BY PERSONNEL
QUALIFIED TO WORK WITH GAS AND
ELECTRICITY. IMPROPER INSTALLATION
CAN RESULT IN INJURY TO PERSONNEL
AND/OR DAMAGE TO EQUIPMENT.
1. Installation on combustible floors is
allowed, with a minimum clearance to
combustible and noncombustible
construction of six inches at the rear,
two inches at the left, and zero inches at
the right.
2. Install the unit under a vent hood.
3. Level the unit by adjusting the bullet feet
or floor flanges on the legs. Make sure
the tilting mechanism has been run all
the way to the horizontal position. Check
levelness with a spirit level set on the
bottom of the pan body. Anchor the rear
legs securely to the floor.
5. For a unit on casters, complete
connection to the gas supply with
connectors that comply with the
standard for Connectors for Moveable
Gas Appliances, ANSI Z21.69a-latest
edition. Restrain movement of the unit
by attaching a cable or chain to the
eyelet (provided at the back of the
frame) and anchoring the cable or chain
to the wall or floor. Make the length and
location of the cable such that the unit
cannot pull on the gas connection while
the cable is connected. The gas
connection must be made with a quick
disconnect device which complies with
ANSI Z21.41b - latest edition.
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OM-NHFP
8. In Canada, the installation must conform
to CAN/CGA B149, Installation Codes
for Gas Appliances and Equipment,
and/or local codes.
WARNING
ELECTRICALLY GROUND THE UNIT AT THE
TERMINAL PROVIDED. FAILURE TO
GROUND UNIT COULD RESULT IN
ELECTROCUTION AND DEATH.
6. Provide 115 Vac, 60 Hz, 5 Amp
electrical service. Local codes and/or
National codes should be observed in
accordance with ANSI/NFPA70 - latest
edition. AN ELECTRICAL GROUND IS
REQUIRED. The Electrical Schematic is
located on the inside of the Service
Panel.
In Canada, provide electrical service in
accordance with the Canadian Electrical
Code, CSA-C22.1 Part 1, and/or local
codes.
7. The installation must conform with the
American National Standard Z223.1 latest edition National Fuel Gas Code.
The unit should be installed in an
adequately ventilated room with an
adequate air supply. The best ventilation
will use a vent hood and exhaust fan.
DO NOT obstruct the flue or vent.
9. The braising pan and its shutoff valve
must be disconnected from the gas
supply piping system during any testing
at pressures in excess of ½ psig (3.48
kPa). The appliance must be isolated
from the gas supply piping system by
closing its individual manual shutoff
valve during any pressure testing of the
gas supply piping system at test
pressures equal to or less than ½ psig
(3.48 kPa).
9. Space for servicing and operation is
required. DO NOT block any air intake
spacing to the combustion chamber or
obstruct air flow.
10. After the pan has been connected to the
gas supply, check each gas joint for
leaks. Use a thick soap solution or other
suitable leak detector. Do not use a
flame to check for leaks.
Initial Start-Up
Now that the Braising Pan has been installed,
you should test it to ensure that the unit is
operating correctly.
1. Remove all literature and packing
materials from the interior and exterior of
the unit.
2. Put enough water into the pan to cover
the bottom to a depth of 1/4 to 1/2 inch.
With the tilting mechanism run to the
horizontal position, note how the water
lies in the pan, to confirm that the pan
was leveled properly during installation.
3. Following "To Start Pan" instructions for
your pan model, begin heating the water
at a thermostat setting of 235oF. At this
setting, heating should continue until the
water boils.
4. To shut down the unit, turn the
thermostat dial to "OFF," and set the
power switch to “OFF.”.
WARNING
WATER IS EXTREMELY HOT AND CAN
CAUSE SEVERE BURNS. AVOID WATER
WHEN EMPTYING UNIT.
5. Press the power tilt switch down to pour
out the water and to confirm that the pan
body can be tilted from horizontal to
vertical. Pull the switch up to lower the
pan.
If the unit functions as described above, it is
ready for use. If it does not, contact your local
Groen Authorized Service Agency.
6
Operation
OM-NHFP
A. Controls
Operator controls for the Braising Pans are:
1. The Power ON Switch, and Power On
indicator.
2. The thermostat dial, located on the control
console to the right of the pan body. This dial
is used to turn the thermostat on or off and
to set the thermostat for pan temperatures
between 175o and 425oF.
3. HEATing indicator light located on the
control console, which lights when the
burners have ignited.
4. The power tilt switch, also located on the
control console, which is used to raise or
lower the pan body
5. The main supply gas cock, installed on the
gas line to the unit.
B. Operating Procedure
WARNING
KEEP THE APPLIANCE AREA FREE AND
CLEAR OF COMBUSTIBLE MATERIALS.
CAUTION
BE SURE ALL OPERATORS READ,
UNDERSTAND AND FOLLOW THE
OPERATING INSTRUCTIONS, CAUTIONS
AND SAFETY INSTRUCTIONS CONTAINED
IN THIS MANUAL.
KEEP FLOORS IN BRAISING PAN WORK
AREA CLEAN AND DRY. IF SPILLS OCCUR,
CLEAN IMMEDIATELY TO AVOID THE
DANGER OF SLIPS OR FALLS.
1. To Start Pan (See Panel Overlay)
a. Set the Power Switch to “OFF.”
b. Set the thermostat to “OFF.”
c. Open the main supply gas valve (handle
parallel to the gas pipe).
2. To Turn Off Pan
a. Set the thermostat to "OFF".
b. Set Power Switch to “OFF.”
c. For a prolonged shut-off period:
d. Set the thermostat to "OFF".
e. Turn the main gas valve OFF (handle at
right angles to the gas pipe).
f. Disconnect the electrical power from the
unit.
3. If Power Fails
a. Do not try to operate the unit until power
is restored.
b. When power is restored, follow
directions under “To Start Pan.”
WARNING
WHEN TILTING BRAISING PAN FOR
PRODUCT TRANSFER:
1) WEAR PROTECTIVE OVEN MITT
AND PROTECTIVE APRON.
2) USE CONTAINERS DEEP ENOUGH
TO CONTAIN AND MINIMIZE
PRODUCT SPLASHING
3) PLACE CONTAINER ON A STABLE,
FLAT SURFACE, AS CLOSE TO THE
BRAISING PAN AS POSSIBLE.
4) STAND TO THE SIDE OF THE PAN
WHILE POURING — NOT DIRECTLY
IN THE POUR PATH OF HOT
CONTENTS.
5) RETURN PAN BODY TO UPRIGHT
POSITION AFTER CONTAINER IS
FILLED OR TRANSFER IS
COMPLETE.
6) DO NOT OVERFILL CONTAINER.
AVOID DIRECT SKIN CONTACT
WITH HOT CONTAINER AND
CONTENTS
d. Set Power Switch to “ON.
e. Rotate the thermostat dial until the Heat
Light comes on. (It lights when the main
burner is on).
1. To Tilt Either Model
a. Press the power tilt switch down to
raise the pan or up to lower the pan.
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OM-NHFP
b. The spring loaded switch will return to
the OFF (middle) position when you
release it.
c. If the power tilt mechanism stops
working (see the Troubleshooting
section) and you must raise or lower the
pan body without delay, you can tilt the
body by hand. Fit the provided hand
crank onto the slotted shaft end that
sticks out of the actuator motor (the end
facing the front of the unit). Turn the
crank clockwise to lower the pan or
counterclockwise to raise the pan. It may
take several minutes to crank the pan to
the desired position, but the operation
can be speeded up by substituting a
reversible electric drill with screwdriver
bit in place of the hand crank.
4. To Move a Unit on Casters
The unit must be anchored with a cable or
chain to avoid accidentally breaking or
pulling loose the gas connection. When the
unit is to be moved, first turn off and
disconnect the gas connection.
Disconnect the cable from its anchor point
on the floor or wall. Anchor the unit again
as soon as it is in its new operating location
or returned to the previous location. Turn on
the gas supply and check for leaks with a
soap solution. If leaks are found do not
operate the equipment. Call for service.
5. To Preheat the Pan
a. For best braising or frying results,
preheat pan before you put in any food.
moisture faster. You may adjust the
thermostat to any setting in the thermostat
range to cook the item exactly as required.
2. Leave the cover vent open to let excess
steam escape. For long simmering
operations, you may wish to close the
vent.To check cooking progress when the
cover has been closed, grasp the plastic
handle of the vent cover, lift it slightly, and
move it quickly to either side.
3. Standing to one side of the pan (to avoid the
steam that will be released) grasp the nearer
corner of the cover handle and raise the
cover. The cover will stay in the open
position until you push it down.
4. To pour or dump product, remove grease, or
assist cleaning, first raise the cover, then tilt
the pan up and forward by pressing down on
the power tilt switch. When you release the
switch, the pan body will hold its position.
WARNING
IF THE PAN CONTAINS ITEMS IN SAUCE OR
MELTED FAT, THEY CAN SLIDE FORWARD
SUDDENLY DURING TILTING AND SPLASH
OUT THE HOT LIQUID.
D. Cleaning
After each use, turn the thermostat to "OFF" and
clean all food-contact surfaces to maintain
proper sanitation. At the end of each day or at
least once every 12 hours, turn off the heat and
shut off the electric power to the unit, then clean
both the interior and the exterior of the pan. See
page 11 for cleaning instructions.
b. To get an even temperature across the
pan, preheat at a setting of 300oF or less
for 15 minutes or through several on-off
cycles of the burner.
WARNING
DO NOT HEAT AN EMPTY PAN FOR MORE
THAN FIVE MINUTES AT A SETTING
HIGHER THAN 300oF. DAMAGE TO THE
PAN COULD RESULT.
C. Cooking
1. To simmer or slowly heat an item, set the
dial at about 210oF or lower. Put the cover
down to keep moisture loss at a minimum,
or leave the cover up to help dry the product.
Set the thermostat higher to cook or drive off
8
OM-NHFP
Sequence of Operation
The following "action-reaction" outline is provided to help the user understand the functioning of the
equipment.
Standard Models with Spark Ignition
1. When the power switch is turned on, it starts
the spark igniter and opens the automatic
valve for the pilot burner. The spark ignites
a pilot flame, which heats the sensor. The
sensor then sends a signal to turn off the
spark. The flame thereafter acts as a
standing pilot until the power is turned off.
2. If the pilot flame is not sensed within 90
seconds after spark begins, a timer shuts
down the entire operation. To attempt a
second trial for ignition, turn off the power
switch. Check the gas supply valves and
wait five minutes before trying again by
switching power on. If there is still no pilot
flame in four tries, close all valves, turn off
the power, and contact an authorized Groen
Service Agency.
3. When the operator sets a temperature on
the thermostat, it causes the automatic valve
to admit gas to the main burner, where it is
ignited by the pilot flame. When the braising
pan reaches the set temperature, the
thermostat switch opens. This stops the
signal to the gas control valve and shuts off
gas to the main burner. The pilot flame
remains lit. When the pan cools below the
set temperature, the thermostat switch
closes and starts another cycle. On and off
cycling continues and maintains the pan at
the desired temperature. This action is
indicated by the Heat indicator light.
control valve to close. When the pan cools,
the thermostat automatically resets and
permits normal operation to continue.
6. The power tilt switch controls a reversible
motor that drives a ball screw mechanism.
When the switch is held in the lowered
position, the mechanism raises the pan
body. The body rests on trunnions near the
front corners, so it tilts forward until the
switch is released or the body reaches the
vertical limit. Any time the pan is tilted more
than ten degrees from the horizontal, a tilt
limit switch automatically turns off the gas
flow to the main gas burner.
7. If the tilting motor gets too hot during
operation, an overheat protection switch will
open and stop the motor. When the motor
cools sufficiently, the switch will reset
automatically and permit tilting to begin
again.
8. The tilt switch will shut off all burners
whenever the braising pan is tilted.
9. A gas pressure regulator, which controls gas
pressure at the burner manifold is built into
the gas control valve.
4. The thermostat controls heating by
alternately calling for flames at the full
capacity of the main burner and then
signaling the control to shut the burner off
completely. Because the control works in
this "all or nothing" manner, the pan heats as
fast as it can until it reaches the set
temperature, no matter what that
temperature is. Turning the thermostat dial
to a higher setting will cause heating to
continue longer, until the pan reaches the
higher temperature, but it cannot make the
pan heat any faster.
5. The pans are protected from overheating by
the high-limit thermostat. If the pan
temperature rises above 425oF, the highlimit thermostat causes the automatic gas
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