Groen HY-6SE Service Manual
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IMPORTANT INFORMATION IMPORTANT INFORMATION
OPERATOR MANUAL
OPERATOR MANUAL OM-HY-6CAV
Part Number 121001 Rev. B
Part Number 121001 Rev B DOMESTIC
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KEEP FOR OPERATOR ?
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? IMPORTANT INFORMATION
IMPORTANT INFORMATION ?
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IMPORTANT INFORMATION IMPORTANT INFORMATION
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Applicable Model(s):
HY-6SM
HY-6SG
HY-6SE
HyPlus
Atmospheric
Steamer
CAVITIES
Capacity: 6 Steamer Pans
(12" x 20" x 2½”)
®
THIS MANUAL MUST BE RETAINED FOR FUTURE REFERENCE. READ,
UNDERSTAND AND FOLLOW THE INSTRUCTIONS AND WARNINGS
CONTAINED IN THIS MANUAL.
FOR YOUR SAFETY
DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND
LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE
Information contained in this document is
known to be current and accurate at the time
of printing/creation. Unified Brands recommends referencing our product line websites,
unifiedbrands.net, for the most updated
product information and specifications.
.
OM-HY-6CAV
IMPORTANT — READ FIRST — IMPORTANT
WARNING: THE UNIT MUST BE INSTALLED BY PERSONNEL QUALIFIED TO WORK WITH
ELECTRICITY AND PLUMBING. IMPROPER INSTALLATION CAN CAUSE INJURY TO
PERSONNEL AND/OR DAMAGE TO THE EQUIPMENT. INSTALLATION MUST COMPLY WITH
APPLICABLE CODES.
NOTICE: Do not install the unit in any way which will block the right side vents, or within 12 inches of
a heat source such as a braising pan, deep fryer, char broiler or convection oven.
NOTICE: Level the unit front to back, or pitch it slightly to the rear, to avoid drainage problems.
WARNING: TO AVOID DAMAGE OR INJURY, FOLLOW THE WIRING DIAGRAM EXACTLY WHEN
CONNECTING A UNIT.
CAUTION: DRAIN MUST BE RATED FOR BOILING WATER. DO NOT USE PLASTIC PIPE.
WARNING: DO NOT CONNECT THE DRAIN DIRECTLY TO A BUILDING DRAIN. DAMAGE TO THE
EQUIPMENT MAY RESULT.
WARNING: BLOCKING THE DRAIN MAY BE HAZARDOUS.
Important: Improper drain connection will void warranty.
WARNING: WHEN YOU OPEN A COMPARTMENT DOOR, STAY AWAY FROM STEAM COMING OUT OF
THE UNIT. CONTACT WITH STEAM CAN CAUSE BURNS.
WARNING: BEFORE CLEANING THE OUTSIDE OF THE STEAMER, DISCONNECT ELECTRIC POWER .
KEEP WATER AND CLEANING SOLUTIONS OUT OF CONTROLS AND ELECTRICAL
COMPONENTS. NEVER HOSE OR STEAM CLEAN ANY PART OF THE UNIT. SERIOUS
INJURY COULD RESULT.
WARNING: LET COOKING CHAMBERS COOL BEFORE CLEANING. HOT SURFACES CAN CAUSE
BURNS.
WARNING: CAREFULLY READ THE WARNINGS AND FOLLOW THE DIRECTIONS ON THE LABEL OF
EACH CLEANING AGENT USED. DIRECT CONTACT WITH SOME AGENTS CAN CAUSE
INJURY.
WARNING: DO NOT MIX DE-LIMING AGENTS (ACID) AND DE-GREASERS (ALKALI) IN THE STEAM
GENERATOR OR ON THE COOKING CHAMBER WALLS. HARMFUL GASSES MAY RESULT.
WARNING: DO NOT PUT HANDS OR TOOLS INTO THE COOKING CHAMBER, UNTIL THE FAN HAS
STOPPED TURNING. THE ROTATING FAN CAN CAUSE INJURIES.
WARNING: DO NOT OPERATE THE UNIT UNLESS THE REMOVABLE RIGHT SIDE PANELS HAVE BEEN
RETURNED TO THEIR PROPER LOCATIONS. DAMAGE TO THE UNIT COULD OCCUR.
CAUTION: DO NOT LOCATE THE BOILER CABINET DIRECTLY OVER A FLOOR DRAIN OR FLOOR
SINK. HUMIDITY OR WATER FROM A DRAIN WILL DAMAGE ELECTRICAL PARTS OF A
UNIT.
NOTICE: Do not use cleaning or de-liming agents that contain sulfamic acid or any chloride,
including hydrochloric acid. If the chloride content of any product is unclear, consult the
manufacturer. Do not use cleaning or de-liming agents that contain more than 30%
phosphoric acid.
NOTICE: Use no de-greaser that contains potassium hydroxide or sodium hydroxide or is alkaline.
WARNING: USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY GROEN OR
THEIR AUTHORIZED SERVICE AGENTS VOIDS ALL WARRANTIES AND CAN CAUSE
BODILY INJURY TO THE OPERATOR AND DAMAGE THE EQUIPMENT. SERVICE
PERFORMED BY OTHER THAN FACTORY-AUTHORIZED PERSONNEL WILL VOID ALL
WARRANTIES.
DANGER: HIGH VOLTAGE EXISTS IN CONTROL COMPARTMENTS. DISCONNECT FROM BRANCH
CIRCUIT BEFORE SERVICING. FAILURE TO DO SO CAN RESULT IN SERIOUS INJURY OR
DEATH.
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OM-HY-6CAV
Table of Contents
OPERATOR WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
EQUIPMENT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
WATER CONDITIONING/REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
INSTALLATION INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
INITIAL START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
DIAGRAMS AND SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
SERVICE LOG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
WARRANTY PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
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OM-HY-6CAV
HyPlus S Series steamers have two
steam compartments with individual
controls.
Equipment Description
The Groen HY-6 HyPlus Steamer is designed to
bring you years of service. It has two stainless steel
cavities (cooking chambers) and a control
compartment, which houses the electrical
components and steam valves. In each cavity, a
powerful blower circulates the steam for increased
heating efficiency. Each cavity will hold up to three
steam table pans (12" x 20" x 2-1/2").
A 16 gauge stainless steel case encloses the
cavities and the control compartment that house
electrical components. The door hinges are
reversible (the doors may be hung to open from the
left or right).
Operator Controls are located on the front panel.
Model HY-6 HyPlus steamer cavities are mounted
on a cabinet base and require a low pressure (3-15
PSI) steam supply. Models HY-6SG and HY-6SE
have steam boilers (gas-fired or electrically heated,
respectively) built into their cabinet bases. Model
HY-6SM has no steam generator and requires a
“clean” steam supply suitable for food contact.
The drain system includes a spray condenser, which
suppresses any steam escaping from the chamber
and cools condensate water going into the drain.
This Operator Manual applies only to the cavities (cooking chambers) of your HY-6S Series HyPlus
Convection Steamer. Refer to separate boiler unit manual provided where appropriate — OM-CNGB/3 for
HY-6SG, and OM-CNEB/1 for HY-6SE. There is no separate manual for the HY-6SM direct steam model.
WARNING
THE UNIT MUST BE INSTALLED BY PERSONNEL WHO ARE QUALIFIED TO WORK
WITH ELECTRICITY AND/OR GAS, AND PLUMBING. IMPROPER INSTALLATION CAN
CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO THE EQUIPMENT. THE UNIT
MUST BE INSTALLED IN ACCORDANCE WITH ALL APPLICABLE CODES.
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OM-HY-6CAV
Installation and Start-Up
WARNING
THE UNIT MUST BE INSTALLED BY PERSONNEL WHO ARE QUALIFIED TO WORK WITH ELECTRICITY
AND PLUMBING. IMPROPER INSTALLATION CAN CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO
THE EQUIPMENT. THE UNIT MUST BE INSTALLED IN ACCORDANCE WITH ALL APPLICABLE CODES.
Getting Started
CAUTION
SHIPPING STRAPS ARE UNDER TENSION.
THEY CAN SNAP BACK VIOLENTLY AND
CAUSE INJURY WHEN CUT.
CAUTION
MAKING ELECTRICAL OR MECHANICAL
CHANGES TO THE UNIT WITHOUT APPROVAL
FROM THE GROEN FO O D SERVI C E
ENGINEERING DEPARTMENT MAY VOID
WARRANTIES.
Immediately inspect the unit for external and internal
damage when it is delivered. Report any damage to
the carrier. After inspection, keep the unit in its
shipping container until it is ready to be installed.
The unit must be installed level. Level the unit front
to rear and left to right, by adjusting its feet. Check
for levelness by using a spirit level on top of the
cabinet, and checking in both directions.
The HY-6SG Gas Model is suitable for installation on
combustible and noncombustible floors. Minimum
installation clearances for the HY-6SG are:
Right side — Two inches
Left Side — Four inches
Rear — Six inches
HY-6SE and HY-6SM models have no minimum
clearance requirements, but room should be
provided so that the units may be serviced. The use
of approved flexible tubing and quick disconnect
attachments will be helpful in allowing the unit to be
moved. For example, 24 inches right side clearance
is needed for proper servicing, unless the unit can be
easily moved.
Please refer to the appropriate operator manual
(OM-CNGB/3 or OM-CNEB/1) for models HY-6SG
and HY-6SE steam boiler installation.
1. Electrical Supply Connection (See Page 8)
A. On models HY-6SG and HY6-SE, power is
supplied to cavity controls and blower from the
boiler base, and no other electrical connections
are required.
B. On model HY-6SM, you must provide 115 Volt
Alternating Current, 60 Hz, single phase, 15
AMP service. Local codes and/or the National
Electrical Code should be observed in
accordance with ANSI/NFPA-70-1987 (or latest
edition). AN ELECTRICAL GROUND IS
REQUIRED.
C. The electrical schematic is located in the
electrical enclosure and in this manual. In
Canada provide electrical service in accordance
with the Canadian Electrical Code, CSA C22.1,
Part 1 and/or local codes.
2. Water Supply Connection (See Page 8)
A. Models HY-6SG and HY-6SE feature two
separate water inlets – one for the steam boiler
(treated water), the other for the spray
condenser (untreated water). The second
intake will reduce treatment requirements
resulting in significant savings.
B. For the HY-6SM, provide a 3/8” NPT pipe
connection for untreated water at the rear of the
unit. A back siphonage device (check valve)
must be installed, complying with local plumbing
codes. The water pressure should be between
30 and 60 PSI (210 to 410 kPa). A pressure
regulator is required above 60 PSI (410 kPa).
C. The condenser spray uses 0.70 to 0.95 gallons
of water per minute (2.6 to 3.6 liters per minute)
at 30 to 60 PSI (210 and 410 kPa). The spray
will only operate when a steamer cavity
(cooking chamber) is in operation.
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OM-HY-6CAV
Leave an air gap between the hose and the building
drain, and don’t allow water traps in the line.
D. Water supply lines should be sized to provide
for maximum water use (the total of the boiler
and condenser spray) as shown in the following
table:
Maximum Water Consumption-gal/hr (L/hr)
CNGB/3 boiler only 12.9 (48.8)
CNEB/1 (24KW) boiler only 8.2 (31.0)
CNEB/1 (36KW) boiler only 12.5 (47.3)
CNEB/1 (48KW) boiler only 16.9 (64.0)
HY-6 HyPlus Steamer condenser spray only
AT 40 PSI (280 kPa) 47.4 (180)
AT 60 PSI (410 kPa) 57.0 (215)
3. Drain Connection (See Page 8)
A. On all HyPlus models (HY-6SG, HY-6SE and
HY-6SM), the drain connection is made at the
rear of the unit, using a 1-1/4” NPT pipe. Do
NOT use plastic pipe — the piping must be able
to withstand steam and hot water. Extend the
drain piping to a nearby floor drain. Piping of 1 1/4" NPT (or 1 - 1/2" NPT) is acceptable for
distances of six feet or less. If the distance to
the drain is further than six feet, use 2" NPT
piping.
B. Install the drain line with a constant downward
pitch. Do not allow any water traps in the line.
A trap can cause pressure to build up inside the
cavity during steaming, which will make the door
gasket leak. A vertical air gap must be
maintained between the drain line and the
building drain, unless otherwise specified by
local plumbing codes.
IMPORTANT: Improper drain connection will
void warranty.
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OM-HY-6CAV
Utility Connections (keyed to illustration)
IMPORTANT: Refer to the appropriate boiler manual for complete installation details (OM-CNGB/3 for
HY-6SG, and OM-CNEB/1 for HY-6SE)
HY-6SG (GAS) MODEL
1. Hot water (for faucet on 36" and wider
units with kettles).
2. Steam outlet (for power take-off)
.
3. Cold water (treated).
4. Cold water (untreated)
.
5. Gas, natural or propane.
6. Drain (for boiler, steamers and condenser
spray). Also for kettle condensate and sink
where used.
7. Electrical (conduit through underside,
terminals at the right on the inside).
HY-6SE (ELECTRIC) MODEL
1. Hot water (for faucet on 36" and wider
units with kettles)
.
2. Steam outlet (for power take-off).
3. Cold water (treated).
4. Cold water (untreated).
5. Not used.
6. Drain (for boiler, steamers and condenser
spray). Also for kettle condensate and sink
where used.
7. Electrical (conduit through underside,
terminals at the right on the inside).
HY-6SM (DIRECT STEAM) MODEL
1. Hot water (for faucet on 36" and
wider units with kettles)
.
2. Steam inlet.
3. Cold water (for faucet on 36" or
wider units with kettles
.
4. Cold water (for condenser spray).
5. Not used.
6. Drain (for steamers and condenser spray).
Also for kettle condensate and sink where
used.
7. Electrical (conduit through underside,
terminals at the right on the inside).
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OM-HY-6CAV
Initial Start-Up
Once the unit has been installed, test it to be sure
that it is working correctly.
WARNING
STAY AWAY FROM STEAM COMING OUT FROM
THE UNIT. STEAM CAN CAUSE SEVERE
BURNS.
1. Remove any literature and packing material
from both the interior and the exterior of the unit.
2. Make certain that the water supply is open.
3. Turn on the electrical power to the unit.
4. On models HY-6SG and HY-6SE, start the
boiler and allow steam pressure to develop.
Refer to the Operator Manual OM-CNGB/3 or
OM-CNEB/1, respectively) for instructions on
operating steam boilers. On model HY-6SM,
turn on the steam supply. Do not allow
pressure to exceed 15 PSI.
5. When steam is available for the cavity, choose
one of the following:
a. Set the timer to the desired time for timed
steaming.
b. Turn the timer to the manual ON position for
continuous steam.
NOTE: The door must be shut before steam will
enter the cavity. If the door is opened when
the timer is on, the flow of steam will stop.
c. Let the steamer sit idle until needed.
6. If the unit will not be used for an extended
period, turn off power to the individual steamer
compartments. Turn off power to the gas or
electric pressure boiler. Refer to the steam
boiler operator manual, if necessary.
If the unit functions as described above, it is ready
for use. If it does not, contact your Groen Authorized
Service Agent.
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OM-HY-6CAV
OFF
DONE
ON
TIMER
Timer Controls for each of the two
cavities are identical.
Operation
WARNING
ANY POTENTIAL USER OF THE EQUIPMENT SHOULD BE TRAINED IN SAFE AND
CORRECT OPERATING PROCEDURES.
Controls:
Timers are located on the front right
side of the unit. There are two timers — one each for
the upper and lower cavities.
The timer is used in two ways:
1. Turning the timer to any setting delivers steam to
the cavity until the timer runs down to OFF. At
that time a red LED switches on and a beeper
sounds and the steam flow to the compartment
stops.
2. When turned all the way to the ON position, the
timer allows continuous steaming. A green LED
is turned on, and the timer does not time down.
Steam continues until the timer knob is turned to
the OFF position.
A. Operating Procedure
1. Turn on the unit’s water supply.
2. Turn on electrical power to the unit.
3. On models HY-6SG and HY-6SE, start boiler
and allow steam pressure to develop. Refer to
OM-CNGB/3 or OM-CNEB/1 operator manuals
for assistance in operating steam boilers. On
model HY-6SM, turn on the steam supply.
WARNING
WHEN YOU OPEN THE DOOR, STAY AWAY
FROM THE STEAM COMING OUT OF THE UNIT.
THE STEAM CAN CAUSE BURNS.
4. Load food into pans so that it is in uniform layers.
For best results, pans should be filled to about
the same levels, and should be even on top.
5. Open the door and slide the pans onto the
supports. If you will only be steaming one pan,
put it in the middle rack position.
6. Close the door.
NOTE: The door must be closed before steam will
enter the cavity. If the door is opened when
the timer is on, the steam will stop.
7. Turn the timer to one of the following settings:
a. If you want to steam for a definite period of
time, set the timer to that time. Steam will
be delivered to the cavity for that time, and
then stop. A buzzer and red LED will
indicate that the timed cycle is complete.
Steam flow stops.
b. If you want to steam continuously, turn the
timer to the ON position. A green light will
come on. Steam will be delivered to the
cavity until the timer is returned to OFF.
8. Open the door.
9. Using a pad or oven mitt to protect your
hands, remove the pans from the steamer.
10. To shut down the unit, turn the Timer to the OFF
position.
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