Groen HY-12GF Installation Manual

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IMPORTANT INFORMATION �

IMPORTANT INFORMATION IMPORTANT INFORMATION

OPERATOR MANUAL

OPERATOR MANUAL OM-HY-12G/24G

Part Number 142253 Rev. C

Part Number 142253 DOMESTIC

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IMPORTANT INFORMATION �

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IMPORTANT INFORMATION IMPORTANT INFORMATION

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Model: HY-12GF, HY-24GF

HyCapacity HyPerSteam™ Atmospheric Convection Steamer

Self-Contained Gas Heated

® ®

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

POST IN A PROMINENT LOCATION INSTRUCTIONS TO BE FOLLOWED IN THE EVENT 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-HY-12G/24G

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. THE UNIT MUST BE INSTALLED IN ACCORDANCE WITH APPLICABLE CODES.

CAUTION: 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 KETTLE.

NOTICE: Level the unit front to back, or pitch it slightly to the rear, to avoid drainage problems.

CAUTION: DO NOT LOCATE THE CABINET DIRECTLY OVER A FLOOR DRAIN OR FLOOR SINK.

HUMIDITY OR WATER FROM A DRAIN WILL DAMAGE ELECTRICAL PARTS OF A UNIT.

WARNING: TO AVOID DAMAGE OR INJURY, FOLLOW THE WIRING DIAGRAM EXACTLY WHEN

CONNECTING A UNIT.

WARNING: DO NOT CONNECT THE DRAIN DIRECTLY TO A BUILDING DRAIN.

CAUTION: DO NOT USE PLASTIC PIPE. DRAIN MUST BE RATED FOR BOILING WATER.

WARNING: BLOCKING THE STEAM GENERATOR OR CAVITY DRAIN SCREEN MAY BE HAZARDOUS.

IMPORTANT: Improper drain connection will void warranty.

WARNING: WHEN YOU OPEN THE DOOR, STAY AWAY FROM STEAM COMING OUT OF THE UNIT.

STEAM CAN CAUSE BURNS.

WARNING: BEFORE CLEANING THE OUTSIDE OF THE STEAMER, DISCONNECT THE ELECTRIC

POWER SUPPLY. KEEP WATER AND CLEANING SOLUTIONS OUT OF CONTROLS AND ELECTRICAL COMPONENTS. NEVER HOSE OR STEAM CLEAN ANY PART OF THE UNIT.

WARNING: ALLOW COOKING CHAMBERS TO COOL BEFORE CLEANING.

WARNING: CAREFULLY READ THE WARNINGS AND FOLLOW THE DIRECTIONS ON THE LABEL OF

EACH CLEANING AGENT.

USE SAFETY GLASSES AND RUBBER GLOVES AS

RECOMMENDED BY DELIMING AGENT MANUFACTURER.

WARNING: DO NOT MIX DE-LIMING AGENTS (ACID) AND DE-GREASERS (ALKALI) IN THE STEAM

GENERATOR OR ON THE COOKING CHAMBER WALLS.

WARNING: DO NOT PUT HANDS OR TOOLS INTO THE COOKING CHAMBER UNTIL THE FAN HAS

STOPPED TURNING.

WARNING: DO NOT OPERATE THE UNIT UNLESS THE REMOVABLE RIGHT SIDE PANELS HAVE BEEN

RETURNED TO THEIR PROPER LOCATIONS.

NOTICE: Do not use a cleaning or de-liming agent that contains any sulfamic acid or any chloride,

including hydrochloric acid. If the chloride content of any product is unclear, consult the manufacturer.

WARNING: USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY GROEN OR

THEIR AUTHORIZED DISTRIBUTOR 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.

WARNING: HIGH VOLTAGE EXISTS INSIDE CONTROL COMPARTMENTS. DISCONNECT FROM

BRANCH BEFORE SERVICING. FAILURE TO DO SO CAN RESULT IN SERIOUS INJURY OR DEATH.

OM-HY-12G/24G

Table of Contents

IMPORTANT OPERATOR SAFETY WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

EQUIPMENT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

WATER CONDITIONING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

INSTALLATION AND START-UP INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

SERVICE LOG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

References

AMERICAN NATIONAL STANDARDS INSTITUTE 1403 Broadway New York, New York 10018

Z21.30 Installation of Gas Appliances &

Piping

Z223.1 1984 National Fuel Gas Code

NATIONAL FIRE PROTECTION ASSOCIATION 60 Battery March Park Quincy, Massachusetts 02269

NFPA/54 Installation of Gas Appliances & Piping NFPA/70 The National Electric Code

AMERICAN GAS ASSOCIATION LABORATORIES 8501 East Pleasant Valley Road Cleveland, Ohio 44131

NATIONAL SANITATION FOUNDATION 3475 Plymouth Road Ann Arbor, Michigan 48106

ZEP MANUFACTURING 1390 Lunt Avenue Elk Grove Village, Illinois 60007

NSF INTERNATIONAL 789 N. Dixboro Rd. P.O. Box 130140 Ann Arbor, Michigan 48113-0140

OM-HY-12G/24G

HY-24GF - New Model

Equipment Description

Your Groen HY-12GF HyCapacity HyPerSteam is designed to give years of service. It consists of a stainless steel cavity (cooking chamber) which is served by an electrically-heated atmospheric steam generator. The HY-24GF has two cavities and two generators. Two powerful blowers circulate the steam in each cavity to increase heating efficiency.

A dual position pan rack on the left side of the cavity can be quickly changed to allow for the use of either 12" x 20" steamer pans, or 18" x 26" bake pans. The following table lists pan capacities:

Pan Size/Type

Number of Pans

HY-12GF HY-24GF

12 x 20 x 2½” (steamer) 12 24

12 x 20 x 4" (steamer) 8 16

13 x 18" (half-size bake) 24 48

18 x 26" (bake) 12 24

A stainless steel cabinet encases the cavity, steam generator and a control compartment which houses electrical components. Access to the control compartment is gained by removing the right side louvered panel. Door hinges are reversible so that the door may be opened to the left or right. Operating controls are on the front panel.

Newer model HY-12GF and HY-24GF steamers (manufactured since November 1999) are equipped with fully electronic controls and a button-activated preprogrammed CLEAN cycle.

These units are readily identified by their unique control panels. Touch pad controls, and the distinctive symbol for steam is integrated into the panel design. The new models also have fewer panel louvers on the right side and rear.

The drain system for each cavity includes a spray condenser, which helps keep steam from coming out of the unit drain or entering the building drain.

Water Conditioning

It is essential to supply the steam generator with water that will not form scale. Although the steam generators are engineered to minimize scale, the hardness of your water and number of hours the equipment operates influence scale build-up.

In some areas of the country, water is low enough in minerals to avoid scale formation. But most water supplies are full of minerals which form scale. It is this scale which could lead to an early component

failure. Your water utility or treatment specialists can test and tell you about the minerals in your water. Water to the steam generator should have between 10 and 30 parts per million (ppm) total dissolved solids (TDS) and should have a pH (acidity rating) of

7.0 or higher.

OM-HY-12G/24G

The optional separate water intake could significantly reduce treated water requirements.

Please follow these simple precautions:

1. The best way to prevent scale is to use a Groen PureSteem™ Water Treatment System which has been specifically designed for Groen steamers and combination ovens. Do not rely on unproven water treatment systems sold for scale prevention and removal. They are

not specifically designed to work with Groen steamers and combination ovens.

2. A well-maintained water treatment system and a regular cartridge replacement schedule is essential.

3. Using a Groen PureSteem™ Water Treatment System will provide longer steam generator/boiler life, higher steam capacity, and reduce maintenance requirements.

4. If you notice a slowdown in steam production or an increase in deliming, have the steamer checked for scale build-up. This could be an indication that the water treatment cartridges need replacing. Heavy scale reduces the unit’s ability to boil water, and can even cause component failure.

OM-HY-12G/24G

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 APPLICABLE CODES.

CAUTION DO NOT INSTALL WITH THE RIGHT SIDE VENTS BLOCKED OR WITHIN 12 INCHES OF A HEAT SOURCE (BRAISING PAN, DEEP FRYER, CHAR BROILER, OR KETTLE).

TO AVOID DRAINAGE PROBLEMS, LEVEL THE UNIT FRONT TO BACK.

HY-12GF

UTILITY CONNECTIONS:

1. Electrical connection ½” (13 mm) conduit fitting.

2. Cold water supply connection ¾” (19 mm) hose

3. Drain connection 2½” (64 mm) hose connection

4. Gas connection ¾” (19 mm) NPT

HY-24GF

UTILITY CONNECTIONS:

1. Electrical connections (each cavity) ½” (13 mm)

conduit fitting.

2. Cold water supply connection (each cavity) ¾” (19

mm) hose

3. Drain connection 2½” (64 mm) hose connection

4. Gas connection (each cavity) ¾” (19 mm) NPT

BURNER FIRING RATES PER CAVITY ELECTRICAL SPECIFICATIONS

Natural Gas @ 3.1" WC L.P. Gas at 10" WC Voltage: 108-126V 1 Phase 50/60 Hz

BTU/hr HY-12G 160,000 150,000 Current per cavity 2.5 AMPS ± 10%

OM-HY-12G/24G

A. Installation

When the steamer is received, immediately inspect the unit thoroughly for external and internal damage. Report any damage to the carrier.

After the inspection, keep the unit in its shipping container until it is installed.

The HY-12GF steamer is suitable for installation in combustible and noncombustible locations. The flooring in all installations must be noncombustible material. Minimum installation clearances are:

Right Side Two inches (50 mm) Left Side Zero inches Rear of flue Six inches (300 mm)

CAUTION THE HY-12G STEAMER REQUIRES 24 INCHES (610 MM) CLEARANCE ON THE RIGHT SIDE FOR PROPER SERVICE.

The unit must be installed in an adequately ventilated room with provision for adequate air supply. It must be installed under a ventilation hood, since flue products exit the appliance. Items which might obstruct or restrict air flow for combustion and ventilation must be removed. Do not obstruct the flue cover or any vents after installation. Areas around the unit must be cleared of combustible material.

The installation must conform with local codes or, in the absence of local codes, with the National Fuel Gas Code, ANSI Z223.1-latest edition, including:

“The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at pressures in excess of ½ PSI (3.45 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 pressures

equal to or less than ½ PSI (3.45 kPa).

CAUTION MAKING ANY ELECTRICAL OR MECHANICAL CHANGE IN THE UNIT WITHOUT PRIOR APPROVAL FROM THE GROEN FOOD SERVICE ENGINEERING DEPARTMENT MAY VOID ALL WARRANTIES.

1. Electrical Supply Connection

Provide 115 VAC, 60 HZ, 1 PH, 15 AMP service. Bring conduit in through open frame on under side of cabinet. 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. The electrical schematic is located in the service compartment and in this manual. Maximum load is 2 1/2 amps. In Canada

, provide electrical service in accordance with the Canadian Electrical Code, CSA C22.1 Part 1 and/or local codes.

WARNING TO AVOID DAMAGE OR INJURY, FOLLOW THE ELECTRICAL SCHEMATIC EXACTLY WHEN CONNECTING THE UNIT.

2. Gas Supply Connection

Connection to the gas supply can be completed with ¾” NPT pipe or approved equivalent. Although the immediate connection to the appliance is ¾” NPT, gas supply piping must be large enough to provide 160,000 BTU/hr. Supply pressure must be at least 5” W.C. (maximum 14” W.C.) for natural gas or 11” W.C. (maximum 14” W.C.) for LP gas. In Canada, the installation must conform to the Canadian Gas Code, CAN 1-B149, Installation Codes for Gas Burning Appliances and Equipment and/or local codes.

After the unit has been connected to the gas supply, all gas joints must be checked for leaks

No flame should be used when checking for

leaks. A thick soap solution or other suitable leak detector should be used. The unit must have a separate ground wire for safe operation. This wire must be at least 8 AWG for 208/240V, or 10 AWG for 480V.

3. Water Connection(s)

Install a check valve to prevent back flow in the incoming cold water line, as required by local plumbing codes. Water pressure in the line should be between 30 and 60 PSI (210 and 420 kPa). If pressure is above 60 PSI, a pressure

OM-HY-12G/24G

Installation of drain line without drain box .

regulator will be needed. A ¾ inch R connector (garden hose type) is used to attach the water supply to the water inlet valve. The minimum water feed line diameter is ½ inch (13mm). Use a washer in the hose connection. Do not allow the connection to leak, no matter how slowly.

3. Drain Connection

Your HY-12GF/24GF Steamer must be leveled front to back or pitched slightly to the rear by adjustment of the bullet feet on the cabinet base.

All units are shipped from the factory with a drain box and vent pipe. The drain box and vent pipe provide the necessary air gap when properly installed. The illustrations below show proper installation of drain lines from the drain box, and for tabletop installation, without a drain box.

CAUTION DO NOT CONNECT THE HOSE DIRECTLY TO A BUILDING DRAIN. BLOCKING THE DRAIN COULD BE DANGEROUS.

Do not create any water traps in the drain line. A trap would cause pressure to build up inside the cavity during steaming and make the door gasket leak.

NOTE: Improper drain connection will void the warranty.

INSTALLATION OPTION ONE: From stainless steel elbow (P/N 092273) to nearby floor drain, use Radiator Hose (rated for at least 212ºF) and one additional hose clamp (P/N 013616).

INSTALLATION OPTION TWO: Using the hose (P/N 080688) and two hose clamps (P/N 013616), connect two inch copper tube to floor drain. NOTE: Drain lines must be pitched downward at approximately ½ inch per foot. No water traps should be allowed in the drain line.

IMPORTANT: Leave two inches free air gap to building drain.

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