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INSTALLATION &
OPERATION MANUAL
VHX24, VHL2, VHL3 & VH3616 SERIES FOOD
STEAMERS & MHB24 SERIES STEAM
GENERATORS
MODELS
VHX24E ML-126852
VHX24E5 ML-126853
VHX24G ML-114795
Model MHB24G
VHX24G5 ML-126590
VHX24D ML-126862
VHX24D5 ML-126863
VHL2G ML-126323
VHL3G ML-126324
VHL2E ML-126855
VHL3E ML-126856
VHL2D ML-126858
VHL3D ML-126859
Model VHX24E
MHB24E ML-126857
MHB24G ML-114954
VH3616G ML-136000
Model VHL2G
VH3616E ML-136001
VH3616D ML-136002
For additional information on Vulcan-Hart or to loc
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IMPORTANT FOR YOUR SAFETY THIS MANUAL HAS BEEN PREPARED FOR PERSONNEL QUALIFIED TO INSTALL GAS EQUIPMENT, WHO SHOULD PERFORM THE INITIAL FIELD START-UP AND ADJUSTMENTS OF THE EQUIPMENT COVERED BY THIS MANUAL. POST IN A PROMINENT LOCATION THE INSTRUCTIONS TO BE FOLLOWED IN THE EVENT THE SMELL OF GAS IS DETECTED. THIS INFORMATION CAN BE OBTAINED FROM THE LOCAL GAS SUPPLIER. IMPORTANT IN THE EVENT A GAS ODOR IS DETECTED, SHUT DOWN UNITS AT MAIN SHUTOFF VALVE AND CONTACT THE LOCAL GAS COMPANY OR GAS
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TABLE OF CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Installation Codes and Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Le
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Standard Automatic Compartment Controls — VHL2 & VHL3 Steamers . . . . . . 20 Preheating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Operating VHL2 & VHL3 Steamers with Standard Automatic . . . . . . . . . . . . . Compartment Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Pre-Vent Compartment Controls — VHL2 & VHL3 Steamers . . . . . . . . . . . . . . . 22 Operating VHL2 & VHL3 with Pre-Vent Compartmen
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Installation, Operation and Care of VHX24, VHL2, VHL3 & VH3616 SERIES FOOD STEAMERS & MHB24 SERIES STEAM GENERATORS SAVE THESE INSTRUCTIONS FOR FUTURE USE GENERAL Vulcan food steamers and steam generators are produced with quality workmanship and material. Proper installation, usage and maintenance will result in many years of satisfactory performance. It is suggested that you thoroughly read this entire manual and carefully follow all of the instructions provided. Models with E in the model nu
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LEVELING — ALL STEAMERS & STEAM GENERATORS Position the steamer or steam generator in its final installed location. Place a level on the horizontal area of the cabinet. Adjust the feet to level the steamer or steam generator in both the left-to-right and front-to-rear directions. 1 1 On VHX steamers only, elevate the front /16" to /8" (0.2 cm to 0.3 cm) to give proper drainage by rotating 1 the adjusting nut on the rear legs in the proper direction 1 to 1 /2 turns. Check drainage in the steam
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Temperatures in the boiler can briefly reach as high as 212°F (100°C). Local codes require that the temperature of drain water be no greater than 140°F (60°C). At the end of the day, when purging the boilers, some provision for lowering the water temperature must be provided by the user or installer to meet this code requirement. LOCATION — GAS POWERED STEAMERS & STEAM GENERATORS The equipment area must be kept free and clear of combustible substances. The recommended clearance for proper oper
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TESTING THE GAS SUPPLY SYSTEM 1 When the gas supply pressure exceeds /2 psig (3.45 kPa), the steamer and its individual shutoff valve be disconnected from the gas supply piping system. must 1 When the gas supply pressure is /2 psig (3.45 kPa) or less, the steamer should be isolated from the gas supply system by closing its individual manual shutoff valve. FLUE GAS EXHAUST DO NOT obstruct the flow of flue gases from the flue located on the rear of the steamer. It is recommended that the flue gas
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LOCATION — ELECTRIC STEAMERS & STEAM GENERATORS Position the steamer or steam generator in its final location. The recommended clearance for proper operation is 36" (91.4 cm) at the front. The required clearance from combustible or non-combustible construction is 0" at the sides and back. The recommended clearance for service access is 18" (45.7 cm) at the sides and back. Clearances less than 18" may require removal of adjacent equipment during servicing at customer's expense. An exhaust syst
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CONNECTION OF OTHER STEAM COOKING EQUIPMENT TO AN ELECTRIC OR GAS BOILER Steam can be supplied to additional steam equipment from STEAM LINE CONNECTION the auxiliary steam port on the boiler, or Steam Line Connection WATER (Fig. 1). When additional equipment is added, appliance LEVEL efficiency will be affected. To be certain that you will be PROBE HOUSING operating at optimum efficiency, contact the Vulcan-Hart sales representative in your area for steam boiler horsepower calculations. The co
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STARTUP TEST RUN — VHX24 & VH3616 SERIES STEAMERS Refer to the OPERATION section for more information on VHX24 compartment and boiler controls. WARNING: THE STEAMER AND ITS PARTS ARE HOT. USE CARE WHEN OPERATING, CLEANING OR SERVICING THE STEAMER. WARNING: THE COOKING COMPARTMENTS CONTAIN LIVE STEAM. STAY CLEAR WHILE OPENING EACH DOOR. After the steamer is installed and proper service connections have been made, thoroughly test the steamer before operation. For Direct connected steamers, open t
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13. Set both timer dials to 2 minutes. The green ready lights will go off, the red cooking lights will come on and steam will be heard entering the compartments. 14. Wait until 1 minute is left on the timers. 15. Open each door and observe that steam has stopped entering into each compartment. The red cooking lights remain on. 16. Close the compartment doors. Steam generation and timers resume. Make sure that steam from the drain is being cooled by water from the cold water condenser. 17. Whe
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STARTUP TEST RUN — VHL2 & VHL3 SERIES STEAMERS BUILT AFTER MAY 2003 Refer to the OPERATION section for more information on VHL compartment and boiler controls. WARNING: THE STEAMER AND ITS PARTS ARE HOT. USE CARE WHEN OPERATING, CLEANING OR SERVICING THE STEAMER. WARNING: THE COOKING COMPARTMENTS CONTAIN LIVE STEAM. STAY CLEAR WHILE OPENING EACH DOOR. After the steamer is installed and proper service connections have been made, thoroughly test the steamer before operation. For Direct connected
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13. Set all timer dials to 5 minutes. (Turn timer knob to 10 minutes or more to trip the switches, then back to 5 minutes.) 14. Press the top of the compartment switch (Fig. 6 or 7) to start the timer. Steam will be heard entering the compartments. COMPARTMENT OPERATION 15. When timer dials are at 1 minute, steam flow to the compartments stops and the compartment drain opens. The cold water condenser in the drain may cycle on. REFER TO PAGE 20 – 21 FOR AUTOMATIC CONTROLS. 16. When the timers
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STARTUP TEST RUN — VHL2 & VHL3 SERIES STEAMERS BUILT BEFORE MAY, 2003 For STARTUP TEST RUN instructions and Compartment Controls information on VHL STEAMERS built before May, 2003, refer to pages 24 — 31. These earlier models were built with a steam control handle. STARTUP TEST RUN — MHB24 SERIES STEAM GENERATORS, ELECTRIC OR GAS WARNING: THE STEAMER AND ITS PARTS ARE HOT. USE CARE WHEN OPERATING, CLEANING OR SERVICING THE STEAMER. After the steamer is installed and proper service connections
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OPERATION BOILER CONTROLS — GAS (Figs. 2, 3) or ELECTRIC (Figs. 2, 4) Power Switch • Press [ I ] to power the controls and begin filling the POWER boiler. SWITCH • Press [ O ] to turn the controls and the steamer off. HIGH LOW The boiler automatically blows down for about 5 PRESSURE WATER minutes. LIGHT LIGHT High Pressure Light RESET SWITCH (GREEN) • Is lit after [ I ] is pressed and stays on during fill. Goes off after the reset switch is pressed (when green light is lit). WATER • Is lit if p
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Gas Boiler (Fig. 3) PRESSURE RELIEF VALVE GAS VALVE PROBE HOUSING BLOWDOWN VALVE MANUAL VALVES WATER INLET VALVE WATER LEVEL GAUGE PL-41749-1 Fig. 3 Electric Boiler (Fig. 4) PRESSURE RELIEF VALVE PROBE HOUSING BLOWDOWN VALVE MANUAL VALVES CONDENSATE WATER WATER LEVEL GAUGE INLET VALVE BOILER FILL VALVE PL-41748-1 Fig. 4 Probe Housing Blowdown Valve • Open periodically (monthly) to blow down the probes and to remove sediment and scale buildup. • Located toward the back left side. Wait until the
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COOKING TIMER COOKING TIMER READY READY COMPARTMENT CONTROLS — VHX24 & VH3616 SERIES STEAMERS (Fig. 5) WARNING: THE STEAMER AND ITS PARTS ARE HOT. USE CARE WHEN OPERATING, CLEANING OR SERVICING THE STEAMER. WARNING: THE COOKING COMPARTMENTS CONTAIN LIVE STEAM. STAY CLEAR WHILE OPENING EACH DOOR. Ready Light (Green) — Indicates the steamer is ready for the cooking cycle. READY COOKING LIGHT LIGHT Cooking Light (Red) — Indicates the steamer is in the cooking phase. TIMER Timer — Sets the des
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OPERATING VHX24 &VH3616 SERIES STEAMERS 1. Press [ I ] and wait until the boiler is filled to the required level. Both the low water and high pressure indicator lights are lit. 2. Press the reset switch when its green indicator light is lit. Both the low water and high pressure indicator lights must go off before heating will begin. 3. Wait 10 minutes before starting a cooking operation. 4. Preheat the cooking compartment(s) as follows: • When the green ready light comes on, set the timer to
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STANDARD AUTOMATIC COMPARTMENT CONTROLS — VHL2 & VHL3 STEAMERS (Fig. 6) WARNING: THE STEAMER AND ITS PARTS ARE HOT. USE CARE WHEN OPERATING, CLEANING OR SERVICING THE STEAMER. WARNING: THE COOKING COMPARTMENTS CONTAIN LIVE STEAM. STAY CLEAR WHILE OPENING EACH DOOR. Door Latch • Holds the door closed. Door Screw Handle (Not Shown) • Seals door the gasket against the cabinet. Cooking Time Control • Sets the desired cooking time (0 to 60 minutes). Compartment Switch DOOR • Press the top of the swit
