Model HF Series Fryers can be freestanding or arranged in batteries of 2 to 4 fryers. The number
preceding the model number of your fryer refers to the number of fryers in a battery. One fryer in a
battery can be a Frymate Dump Station (HFO15 for HF50 and HFO21 for HF85) (only one per battery).
Feature options include Basket Lift(s) with Timer(s); Tri, Twin, or Single Baskets; Filter Ready and
Battery Interplumbing. Finish options include Casters. S/S Sides and Legs are standard.
Your Hobart fryer is constructed and designed to give long satisfactory service, providing it is properly
installed, adjusted and maintained.
The Mobile Filter is covered under a separate Installation and Operation Manual.
Batteries of up to four fryers wide can be configured with any HF Series Fryer or HFO Frymate Dump
1
Station (either 15
/2" [39 cm] or 21" [53 cm ] wide). Possible configurations showing positions A through
E are depicted below:
NOTES:
= Dump Station;= Fryer.
*Indicates filter interplumbing not available.
A filter dump station can be located under any position in a battery if it has been built without an HFO Frymate.
A filter dump station can be located under any position in a battery if the line-up has been built with an HFO
Frymate located at either end of the battery.
When a HFO Frymate is built between two fryers within a battery, the filter dump station is located under the HFO
Frymate.
In two-unit batteries utilizing a HFO Frymate, the filter dump station will always be located under the fryer.
All options and accessories can be used with batteried equipment.
HFO15 is used on Model HF50.
HFO21 is used on Model HF85.
— 4 —
Field Installable AccessoriesFactory Installed Only
CastersFat Melt
Twin BasketsBasket Lift
Single BasketsS/S Tank
Tri Baskets (ER85 only)S/S Sides
Heat LampBattery Configuration
S/S Vat CoverBattery Interplumbing
Batter Tray
Tank Skimmer
Tank Scoop
ERO SERIES FRYMATE (Dump Station)
1
Model HFO Frymate Dump Station can be configured in batteries with fryers in either 15
/2" (39 cm)or
21" (53 cm) width. Frymate provides a final prep area where excess oil drains away and product is
seasoned, packaged, and kept ready for sale.
HFO Series Frymate — Finish Options
Model HFO15, HFO21Front DoorLegs
StandardStainless SteelStainless Steel Legs
OptionalNot ApplicableCasters
*Model HFO15 is for use with the HF50 Series Fryers.
Model HFO21 is for use with the HF85 Series Fryers.
HFO Series Frymate — Features
Heat Lamp
Opt.Std.Opt.Opt.Opt.Opt.
DrainSolidPan SolidPan Perforated
*Side liners are not available in batteries with HFO interplumbed Frymates.
Tops
Side Liners*
— 5 —
INSTALLATION
Before installing the fryer, verify that the electrical service agrees with the specifications on the fryer
data plate which is located on the inside of the door panel. If the supply and equipment requirements
do not agree, do not proceed with the installation. Contact your dealer or Hobart Corporation
immediately.
UNPACKING
Immediately after unpacking the fryer, check for possible shipping damage. If the fryer is found to be
damaged, save the packaging material and contact the carrier within 15 days of delivery.
Do not use the door or its handle to lift or move the fryer.
LOCATION
The fryer may be installed at 0" clearance from the back or side walls. A 16" (40.6 cm) clearance is
required between the fryer and any open top flame burner. Position the fryer for easy accessibility for
service.
INSTALLATION CODES AND STANDARDS
Your Hobart fryer must be installed in accordance with:
1. State and local codes.
2. The National Electrical Code, ANSI/NFPA No. 70 (latest edition). Copies may be obtained from The
National Fire Protection Association, Batterymarch Park, Quincy, MA 02269.
3. NFPA Standard #96.
ASSEMBLY
The fryer must be restrained with adequate ties to prevent tipping when installed in order to avoid the
splashing of hot liquid.
Legs
Position fryer in an open space near the final installation area. Tilt fryer on its side, being careful to
avoid scratching the finish. Thread legs into mounting holes provided on bottom of fryer by screwing
in a clockwise rotation until tight.
Carefully raise fryer to its normal position and place it in the installing location.
Casters (Optional)
It is recommended that casters be installed on all batteried appliances. A strain relief (Fig. 1) is supplied
to protect the electrical supply line.
If it is necessary to disconnect the restraint, unplug electrical supply before disconnection. Reconnect
the restraint before plugging the electrical supply in and returning the fryer to its installation position.
Instructions for installing casters to the fryer are included with the casters.
— 6 —
STRAIN RELIEF
FITTING FOR ELECTRIC
THIS SIDE ONLY.
(Strain relief fitting
supplied by Hobart.
Chain to be supplied by
others.)
PL-53296
Fig. 1
LEVELING
Place a carpenter's level on top of the fryer and level the fryer front-to-back and side-to-side by turning
the adjustable legs or casters.
ELECTRICAL CONNECTIONS
WARNING: ELECTRICAL AND GROUNDING CONNECTIONS MUST COMPLY WITH THE NATIONAL
ELECTRICAL CODE AND/OR OTHER LOCAL CODES.
WARNING: DISCONNECT THE ELECTRICAL POWER SUPPLY TO THE MACHINE
AND FOLLOW LOCKOUT/TAGOUT PROCEDURES.
WARNING: APPLIANCES EQUIPPED WITH A 120V FLEXIBLE ELECTRIC SUPPLY CORD ARE
PROVIDED WITH A THREE-PRONG GROUNDING PLUG. IT IS IMPERATIVE THAT THIS PLUG BE
CONNECTED INTO A PROPERLY GROUNDED THREE-PRONG RECEPTACLE. IF THE
RECEPTACLE IS NOT THE PROPER GROUNDING TYPE, CONTACT AN ELECTRICIAN. DO NOT
REMOVE THE GROUNDING PRONG FROM THIS PLUG.
Place fryer as near to its final position as possible. Connect 3 phase line to X, Y and Z of terminal block.
To reach terminal block, remove electric cover plate from fryer.
1
For each 15
/2" (39 cm) and 21" (53 cm) section, a 3 phase supply line capable of handling the required
KW at the fryer's rated voltage (208, 240, 480) is needed. Refer to the fryer data plate for this electrical
information.
If a fan interlock is needed, it should be connected to 1 and 2 on the 4 pole barrier strip. 1 and 2 go
to a set of dry contacts on the power switch.
— 7 —
OPERATION
WARNING: HOT OIL AND PARTS CAN CAUSE BURNS. USE CARE WHEN OPERATING,
CLEANING AND SERVICING THE FRYER.
WARNING: SPILLING HOT FRYING COMPOUND CAN CAUSE SEVERE BURNS. DO NOT MOVE
FRYER WITHOUT DRAINING ALL FRYING COMPOUND FROM THE TANK.
BEFORE FIRST USE
Clean the Fryer and Heating Elements
Do not operate fryer without frying compound or water solution in the tank.
Using a non-corrosive, grease-dissolving commercial cleaner, clean the protective metal oils from all
surface parts and the tank interior. Follow the cleaner manufacturer's directions. Rinse thoroughly and
drain by opening the drain valve (accessible when the door is opened). After cooling, wipe tank and
heating elements completely dry with a soft clean cloth. (See also CLEANING — WEEKLY in this
manual.)
NOTE: When cleaning, avoid moving the thermostat bulb or capilary.
Clean all fryer accessories. Rinse all parts thoroughly after cleaning and wipe dry.
FILLING THE FRY TANK WITH SHORTENING
Liquid shortening may be used in all HFD/HFC Series Fryers.
Melting solid shortening without using the melt cycle will damage the heating elements and scorch the
shortening. Only fryers equipped with the MELT cycle may use solid shortening. Solid shortening must
be gently warmed to the liquid state before heating to frying temperatures. On HFC fryers, the computer
must be programmed for MELT ENABLE.
Fill fryer tank to the fill level line on back wall (Fig. 2). Keep shortening at the fill level line in the fry
tank. Add fresh shortening as needed. Do not overfill tank.
HEATING
ELEMENTS
- -
- FILL LEVEL -
COLD ZONE
Fig. 2
— 8 —
PL-53129
ADDING SOLID SHORTENING
If replacing shortening, place the block of shortening in the room with the fryer for 1 to 2 hours before
using. This will soften the shortening and make it easier to divide.
CAUTION: Failure to remove crumb screens prior to addition of fresh shortening may cause
heating elements to overheat, allowing shortening to reach flashpoint.
After draining shortening, allow the tank to cool down before adding all new shortening to avoid
scorching new shortening.
Shortening Capacity
Full Vat50 lb., 85 lb. (22.7, 38.5 kg)
WARNING: Do not set a complete block of solid shortening on top of an electric fryer's heating
elements. Doing this may damage the elements and increase the potential for shortening flash fire. If
solid shortening is to be used in an electric fryer, remove the baskets and crumb screen(s), raise
elements from tank, pack the bottom of the tank completely with solid shortening, lower the elements
and then pack the shortening COMPLETELY around over top of the elements. Lay crumb screen(s) in
the tank on top of the packed shortening. Follow the Fat Melt instructions in the installation & operation
manual. Once all shortening has been melted and the fryer has met the set temperature, fill baskets
and resume frying.
Single Vat
1. Remove crumb screens from fryer tank.
2. Lift elements out of each tank area.
3. Chop the solid block of shortening into pieces that can be packed into the bottom of fryer tank.
4. Pack bottom of the tank with shortening chunks.
5. Lower elements back into tank.
6. Pack the remaining chunks of shortening completely around and over top of the elements, then
place the screen on top of the shortening.
DAILY SHORTENING ADDITION (All Models)
Add approximately 15% new shortening daily. Keep level of shortening at fill level line in fry tank. Add
fresh shortening as needed.
HIGH LIMIT CONTROL
If the shortening becomes overheated, one of the temperature shutoff devices will shut the fryer off. DO
NOT turn fryer on until the shortening temperature is below 300°F (149°C).
If the high limit device has shut the fryer system off, push the red reset button on the back of the element
head(s) before turning the fryer back on.
If this situation persists, shut fryer down and contact your local Hobart service office.
— 9 —
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