Electro Freeze CS704 User Manual

OPERATOR’S MANUAL

with Replacement Parts List

COMPACT SERIES SHAKE FREEZER Model CS704

185260 - 6/17

H. C. Duke & Son, LLC

P/N 185260 June 2017

Printed in U.S.A.

Operator’s Manual

for the

Electro Freeze Model CS704

Compact Series Flavor Injected

Shake Freezer

All contents © Copyright 2017 H.C. Duke & Son, LLC, 2116 Eighth Avenue, East Moline, Illinois 61244 i

ELECTRO FREEZE Shake Model CS704

SAFETY FIRST!

Follow these four steps to safety ....

1. Recognize Safety Information ....Look for this safety alert symbol throughout this manual.

When you see this symbol on your freezer or in this manual, be alert to the potential for personal injury. Follow recommended precautions and safe operating practices.

	2. Understand Signal Words ....
		The signal words — DANGER, WARNING and
	DANGER	CAUTION — are used with the safety alert symbol
		(DANGER decals on the freezer may or may not have the
		safety alert symbol, but the message is the same). Decals
		with the words DANGER, WARNING or CAUTION appear
		on the freezer. DANGER identifies the most serious
	WARNING	hazard. Decals with the words DANGER or WARNING
		are typically near specific hazards on the freezer. General
		precautions are listed on CAUTION safety decals. In this
		manual, CAUTION messages with the safety alert symbol
		call attention to safety messages.

CAUTION

3. Follow Safety Instructions ....

Read and understand all safety messages in this manual. Read and understand the decal safety messages on your freezer. Take notice of the location of all decals on the freezer and keep the safety decals in good condition. Check them periodically and replace missing, damaged or illegible safety decals. The safety decals must remain in place and legible for the life of the freezer. If you need new decals, use the

information and illustrations on pages v and vi of this manual to identify the decal and call or write to H.C. Duke & Son, LLC. or local Electro Freeze distributor.

DO NOT attempt to operate the soft serve freezer until you read and understand all safety messages and the operating instructions in this manual.

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ELECTRO FREEZE Shake Model CS704

SAFETY FIRST!

4. Definitions ....

Trained person (or Operator): A person who has been trained in the basic operation of the freezer. This person is knowledgeable in the operation of machine startup, stopping, filling, and basic cleaning, disassembly, washing, and sanitation of the freezer.

Freezer Technician: A person who has been trained by a factory representative, or an experienced and qualified service person, to perform more complicated operations such as freezer installation, maintenance repairs, component replacement , is aware of hazards associated with electricity, moving parts, and takes necessary steps to protect against injury to themselves and other people.

5. Operate Safely ....

IMPORTANT: Store Managers,owners, and supervisors must be aware of staff capabilities and that they do not perform freezer operations outside their level of knowledge or responsibility.

DO NOT allow untrained personnel to maintain or service this freezer. Failure to follow this instruction may result in severe personal injury. DO NOT operate the freezer until all service and access covers are secured with screws. DO NOT attempt to repair

the freezer until the main power supply has been disconnected. Some freezers have more than one disconnect switch. Contact your authorized service representative for original equipment parts.

6.Caution ....

•This Freezer is to be operated by trained persons. The Dispense feature, if used by public in self-serve applications, shall be monitored by trained persons able to assist people with physical, sensory or mental

impaired capabilities.

•Children should not be allowed to play around this equipment.

•Do not store explosive substances such as aerosol cans with a flammable propellant in freezer.

•This appliance is not designed for outdoor weather conditions and shall not be exposed to rain.

•Do not wash machine with power sprayer. Do not install machine next to a power sprayer where splash of freezer can occur.

•Machine is designed for use in areas of normal atmosphere. It is not to be used in areas subject to explosion-proof standards.

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ELECTRO FREEZE Shake Model CS704

Safety Decal Locations

Do not attempt to operate the freezer until all safety precautions and operating instructions in this manual are read and understood.

Take notice of all warning, caution, instruction and information decals (or labels) on the freezer as shown in the figure on the following page. The labels have been put there to help maintain a safe working environment.

The labels have been designed to withstand washing and cleaning. All labels must remain legible for the life of the freezer. Check labels periodically to be sure they can be recognized as warning labels.

If it is necessary to replace any label, please contact your local authorized Electro Freeze Distributor or H. C. Duke & Son, LLC. When ready to order you will need to determine the (1) part number,

(2) type of label, (3) location of label, and

(4) quantity required, and include a return shipping address.

You may contact your local authorized Electro Freeze Distributor, as follows:

Name:

Address:

Phone:

or — for factory service assistance — contact H. C. Duke & Son, LLC. Electro Freeze Service Department by phone or FAX:

Phone: [phone]

FAX: [phone]

E-mail: [e-mail]

(The decals on the next page are numbered 1 and 2. Those numbers correspond to the numbers in the table below. The table provides the part number, description, and quantity for each decal.)

No. Part No. Description (Qty)

1

2

HC165126 Decal — Panel Removal Warning (3)

HC165025 Decal — Beater Warning (1)

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ELECTRO FREEZE Shake Model CS704

Safety Decal Locations
	1	P/N HC165126
2	P/N HC165025
	v

ELECTRO FREEZE Shake Model CS704

		Table of Contents
SECTION	DESCRIPTION		PAGE
	SAFETY ............................................................................................		ii
	SAFETY DECALS LOCATIONS.............................................		iv
		PART I
1.	INTRODUCTION ..............................................................................		1
2.	NOTE TO INSTALLER ...................................................................		1
	2.1.	Uncrating and Inspection.................................................................	2
	2.2.	Installation.......................................................................................	2
	2.3	Electrical Connections ....................................................................	3
3.	SPECIFICATIONS ............................................................................		3
	3.1	Particulars.......................................................................................	3
	3.2	Data Plate........................................................................................	4
	3.3	Reference Information......................................................................	4
	3.4	Installation Date...............................................................................	4
	3.5	Dimensions......................................................................................	5
4.	PART NAMES AND FUNCTIONS ..............................................		6
5.	OPERATOR CONTROLS & INDICATORS ...................		10
	5.1	Rinse Switch..................................................................................	11
	5.2	Spinner Motor Fuse........................................................................	11
	5.3	Lexible Spinner Shaft.....................................................................	11
	5.4	Reset -Circuit Breaker....................................................................	11
	5.5	Selector Switch..............................................................................	11
	5.6	Prime / Calibrate............................................................................	12
	5.7	Flavor Selection Buttons................................................................	12
	5.8	Indicator Light “ADD MIX” ..............................................................	12
	5.9	Mix Float.........................................................................................	12
6.	DISASSEMBLY AND CLEANING ............................................		13
	6.1	Accessories...................................................................................	13
	6.2	Disassembly Instructions...............................................................	14
	6.3	Cleaning Instructions.....................................................................	17
	ASSEMBLY
7.			19

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ELECTRO FREEZE Shake Model CS704

				Table of Contents - continued
SECTION	DESCRIPTION						PAGE
8.	START-UP INSTRUCTIONS ......................................................						23
	8.1		Sanitizing.......................................................................................				23
	8.2		Priming ............................................................				24
	8.3		Dispensing Milk Shakes..................................................................				25
9.	DAILY PROCEDURES .................................................................						26
	9.1	Night or Idle Operation.....................................................................					26
			9.1.1	General Cleaning...................................................................			26
			9.1.2	Operation..............................................................................			27
	9.2	Draining Product From Freezer.........................................................					28
10.			PRODUCT INFORMATION ................................				29
	10.1		Overrun.........................................................................................				29
	10.2		Rerun.............................................................................................				29
11.			SYRUP FLAVOR SYSTEM .................................				30
	11.1		Syrup Line Disassembly and Sanitizing..........................................				30
	11.2		Syrup Line Assembly and Sanitizing..............................................				32
	11.3		Syrup Calibration...........................................................................				34
12.			ROUTINE MAINTENANCE .............................................				35
13.			TROUBLESHOOTING TABLES .........................				39

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ELECTRO FREEZE Shake Model CS704

1	Introduction
	This freezer is designed to produce four	If you require technical assistance, please
	flavors of milkshakes plus vanilla, with	contact your local authorized Electro
	a temperature range of 24° to 30°F (-4°	Freeze Distributor, as follows:
	to -1°C). If such products are prepared	Name:
	from powdered concentrate, they should
		Address:
	be precooled to 38°F (3°C) prior to
	introduction to the freezer. Syrups should
		Phone:
	be free of pulp, seeds or matter that could
	clog injection ports. Use of other products	For factory
			service assistance — contact
	in this machine is considered misuse (see	H. C. Duke & Son, LLC, Electro Freeze
	Warranty).	Service Department as follows.
	This manual has been prepared to assist			Phone: [phone]
	you in the proper operation and general
	maintenance of the Electro Freeze Model				[phone]
	CS704 Freezer.			FAX:	[phone]

Your freezer will not compensate for or

correct any assembly or priming errors E-mail: [e-mail] made during the initial start-up. Therefore,

it is important to follow the assembly and priming procedures detailed in this manual.

Make sure all personnel responsible for equipment operation completely read and understand this manual before operating the freezer. When properly operated and maintained, the freezer will produce a consistent quality product.

2 Note to Installer

This freezer must be installed and serviced by an Electro Freeze Distributor or authorized service technician in accordance with the installation instructions.

After installation, the warranty registration card must be completed and returned to validate the warranty.

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ELECTRO FREEZE Shake Model CS704

2.1Uncrating and Inspection

	CAUTION	1. Remove the carton from the pallet,
		and move the machine as close as
	Be sure to properly
		possible to the permanent location.
	support the machine
		2. Remove the shipping bolts on the
	when removing bolts and
	installing legs or casters.	bottom of the freezer and remove the
		freezer from the pallet.
	When the unit is received and while
	the carrier is still present, inspect the
	shipping carton for any damage that
	may have occurred in transit. If the	CAUTION
	SHOCKWATCH® label indicates red and/
		Use caution when moving the
	or the carton is broken, torn, or punctured
		freezer to avoid a tip hazard.
	note the damage on the carrier’s freight
	bill and notify the carrier’s local agent
	immediately. Also note on the freight bill.

	2.2 Installation
	CAUTION	3. A minimum 3-inch (7.6 cm) air
	All materials and connections	space is required on both sides and back
	must conform to local	of the freezer for adequate ventilation.
	requirements and be in	4. Test the operation of the head and
	compliance with the National
		flex shaft cover safety switches prior to
	Electrical Code (NEC).
		placing the freezer in service. See Section
		12, Routine Maintenance, Monthly.
	CAUTION
	Tip Hazard. Front side of freezer
	must remain positioned on door
	side of cart. DO NOT reverse
	position of freezer on cart.

1.This freezer is designed for indoor use and must be protected from outdoor weather conditions.

2.This freezer requires a potable water connection for the rinse line. The water inlet is located at the back of the freezer next to the power supply. A 3/8” MPT water inlet connector will be needed.

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ELECTRO FREEZE Shake Model CS704

2.3	Electrical Connections
	CAUTION	3. Supply voltage must be within
		±10% of voltage indicated on the
	All materials and
		nameplate. Request your local power
	connections must conform
		company to correct any voltage problem.
	to local requirements and
	be in compliance with the	4. The control transformer in the
	National Electric Code (NEC).	electrical box is factory wired to 208 volts
		(red) wire tap for 208V nominal power
	CAUTION	supply. If power supply is between 230-
		240 volts use 240V (orange) wire tap on
	To prevent accidental	transformer.
	electrical shock, a receptacle
	with a positive earth ground
	is required.

1.Always verify electrical specifications on the data plate (figure

3-2) of each individual freezer. Data plate specifications will always supersede the information in this manual.

2.This freezer requires a protected 20 amp 230 volt circuit. Connect the freezer to a circuit separate from any other electrical equipment. The power cord on this freezer connects to a NEMA

6-20R receptacle. See Figure 2-1. Figure 2-1

3	Specifications
3.1	Particulars
	Width (in/cm)	18.4/46.7	Beater Motor	1/2 HP/.37 kw
	Height (in/cm)	58.9/149.7	Refrigerant	R-404a
	Depth (in/cm)	28.1/71.4	Charge	32.0 oz/.91 kg
	Weight (lbs/kg)	250/113.4	Cooling	Air
	Voltage*	208-230/60/1	Hopper	20 qts/18.8 liters
	Min. Circuit Ampacity	20.0	Cylinder	7 qts/7.1 liters
	Compressor	1 HP/8000 (BTUH)	*Contact factory for other voltages.
		.75 kw (Motor)
		2.3 kw (Cooling)

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ELECTRO FREEZE Shake Model CS704

3.2Data Plate

						The data plate provides important
Model:
						information that the operator should
~ Volts:
Ser. No.
						record and have available for parts
Ph. Hz. Wire:					ASSEMBLED IN USA
						ordering, warranty inquiries and service
Cyl. Compressor	RLA		LRA	V		requests.
		SINGLE UNIT
Beater Motor	FLA		HP	V
Condenser Fan	FLA		HP	V
Hopper Compressor	RLA		LRA	V
Cylinder Refrigerant:	Amt:_____LB		Type:_____
Design Pressure:	High:_____psig		Low:_____psig
Hopper Compressor	Refrigerant Amt:____ oz		Type:____	Design Pressure High:_____psig Low:______psig
Min. Circuit Ampacity:		_____A
Max Fuse Size or HACR Cir. Breaker: _____A

Figure 3-1

3.3Reference Information

Write in Reference

Information HERE!



Fill in the following information as soon as you receive the Electro Freeze CS704. (The item numbers — encircled, below — correspond with the call-out numbers in figure 4-1.)

1.) Model Number: _________________

2.) Serial Number:__________________

3.) Electrical Spec: Voltage ________

Phase _______ Hertz _________

4.) Maximum Fuse Size: ____________

5.) Minimum Circuit Ampacity: _______

3.4Installation Date

Fill in the date of installation, and the name, address, and phone number of the installer in the space provided below. This information will be needed when ordering parts or service for the CS704 freezer.

Date of installation: _____________________________________

Installed by: _____________________________________

Address: _____________________________________

_____________________________________

Phone: _____________________________________

4

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ELECTRO FREEZE Shake Model CS704

3.5Dimensions

Figure 3-2 Electro Freeze Model CS704 Dimensions

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ELECTRO FREEZE Shake Model CS704

	4 Part Names and Functions
	19
	20
	Figure 4-1 Head Assembly
6	185260

ELECTRO FREEZE Shake Model CS704

4 Part Names and Functions — continued

The following part names and descriptions refer to figure 4-1.

	1.)	COVER - ASSY FLEX SHAFT: Protects	15.)	BUSHING - MIXER SHAFT: Holds the
		from accidental contact with rotating		mixing shaft in place. Prevents wear
		shaft. Must be in place to operate.		on plunger.
	2.)	O-RING - HEAD: Seals the head to the	16.)	ROD - ACTUATOR: Starts the freezer
		freezing cylinder. Must be lubricated.		when dispensing. Must be in place
	3.)	BUSHING - BEATER BEARING: Holds		before product can be dispensed.
			17.)	O-RING - PLUNGER-LOWER
		the beater in place at the front of the
		cylinder. Must be inserted into the	18.)	O-RING - PLUNGER-LOWER: Seals
		head and lubricated before assembly.
	4.)	KEEPER - ASSY SPINDLE: Secures		the plunger in the head. Must be
				lubricated to seal and slide properly.
		the handle to the head.	19.)	SHAFT - FLEXIBLE W/CASING 16-
	5.)	HEAD - ASSY. W/RETAINERS 4		1/2: Spins the mix shaft.
		FLAVOR: Encloses the freezing	20.)	CONNECT - ASSY DRIVE: Quick
		cylinder and provides an opening for
		product to be dispensed.		connector used to connect or
	6.)	QUICK CONNECT WITH SHUT OFF:		disconnect the flexible shaft from the
				mix shaft
		Allows syrup line to be removed from
		the mix chamber.
	7.)	O-RING - SYRUP LINE: Prevents syrup
		from leaking.
	8.)	SHAFT - ASSY MIX: Mixes flavor into
		shake mix.
	9.)	CHAMBER - MIX: Delivers syrup to the
		shake mix.
	10.)	O-RING - CHAMBER: Prevents mix
		from leaking. Lightly lubricate.
	11.)	HANDLE - ASSY COMPLETE: Opens
		and closes the plunger to start and stop
		the flow of product from the freezer.
	12.)	O-RING - PIVOT POST: Holds the pivot
		post in place. Lightly lubricate.
	13.)	POST - PIVOT: Holds the handle in
		place.
	14.)	PLUNGER - DISPENSING: Seals the
		product opening in the head when
		closed. Allows product to flow when
		open.

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ELECTRO FREEZE Shake Model CS704

4.Part Names and Functions — continued

BLADE-SCRAPER

SEAL(CUP)-BEATER SHAFT

WASHER-DOUBLE SHAFT SEAL

SEAL(CUP)-BEATER SHAFT

SHAFT-BEATER

BLADE-SCRAPER

Figure 4-2 Beater Shaft Assembly

The following part names and descriptions refer to figure 4-2.

1.) SHAFT - BEATER: Rotates in the freezing cylinder, blending air and mix and ejecting product.

2.) BLADE - SCRAPER: Scrapes the frozen product from the freezing cylinder wall.

3.) SEAL (CUP) - BEATER SHAFT:

Seals the opening between the freezing cylinder and the beater. DO

NOT LUBRICATE.

4.) WASHER - SHAFT SEAL: Holds the shaft seals together. Must be lubricated.

8

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ELECTRO FREEZE Shake Model CS704

4.Part Names and Functions — continued

O-Ring

Tube-Mix Feed

Insert-Assy. Mix

Feed

O-Ring

Figure 4-3 Mix Feed Tube

The following part names and descriptions refer to figure 4-3.

1.) TUBE - MIX FEED: Meters the correct amount of mix and air into the freezing cylinder from the hopper.

2.) INSERT - ASSEMBLY MIX FEED (Regulator): Regulates mix flow.

Open position for day operation and closed position for night.

3.) O-RING - INSERT ASSEMBLY: Holds the insert in place in the mix tube. Must be lubricated.

4.) O-RING - MIX FEED ASSEMBLY:

Seals the opening between the hopper and mix feed tube. O-rings do not need lubrication.

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ELECTRO FREEZE Shake Model CS704

5 Operator Controls

Figure 5-1

	The following paragraphs describe
	the operator controls and indicators.	CAUTION
	Refer to figure 5-1 for location of these
		Test operation of the head switch
	controls and indicators on the freezer.
		prior to placing the freezer in
	NOTE: The head, actuator rod, and	service. See Section 12, Routine
		Maintenance, Monthly.
	metal cover must be in place before the
	beater will operate.
5.1	Syrup Pump Switch (1)

This two-position switch controls the operating mode of your freezer.

a.“ON” (right) — This position operates the syrup motor. Always use this mode when operating the syrup system.

b.“OFF” (left) — In this position

the syrup motors do not run.	—continued

10

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		ELECTRO FREEZE Shake Model CS704
	5 Operator Controls — continued
	5.2 Prime / Calibrate	(2)

This push button switch is used for priming and calibrating the flavor syrups.

With the syrup switch in the “ON” position, the selector switch (5) in “AUTO” and

a flavor selection (8) made, pressing this button will activate the pump for that flavor to flush and prime the flavor

delivery line and to allow calibration of the syrup flow.

5.3Reset - Circuit Breaker Spinner Motor (3)

	This control protects the spinner motor		Important:
	against failure from an overload condition		If the circuit breaker trips frequently,
	by automatically shutting it down. To		your spinner mechanism and circuitry
	restart wait 2-3 minutes, then depress the		should be checked. Contact your
	reset button.		Electro Freeze Distributor.
5.4	Syrup Pump Fuse	4
	This holds the AGC fuse for the syrup
	pumps.

5.5Reset — Circuit Breaker Beater Motor (5)

This control protects the beater motor	Important:
against failure from an overload condition	If the circuit breaker trips frequently,
by automatically shutting down the	your freezer should be checked for
freezer. To restart properly, turn the	proper product temperature, overrun
SELECTOR switch (5) to “OFF”, wait 2-3	and voltage. Contact your Electro
minutes, then depress the reset button	Freeze Distributor.
and turn the SELECTOR switchback to
the “AUTO” or “CLEAN” position.

5.6Selector Switch (6)

	This three-position switch controls the			Important:
	operating mode of your freezer.		Do not use the “FREEZE” position with
	a.	“CLEAN” (left) — This	water or sanitizer in the cylinder — the
			freezer will be damaged.
	position operates the beater only (no
				“AUTO” (right) — This
	refrigeration). Always use this mode		c.
	when performing cleaning and sanitizing		position activates both the beater motor
	operations.		and refrigeration unit. This is the normal
	b.	“OFF” (center) — In this	operating position which will maintain a
			cylinder temperature of 26° to 28°F (-3° to

	position the beater motor and refrigeration	-2°C).
	system will not operate.

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ELECTRO FREEZE Shake Model CS704

5 Operator Controls — continued

5.7Rinse Switch (7)

This momentary switch activates the rinse water solenoid valve and the spinner motor to rinse the mixing chamber between flavor changes to eliminate flavor carryover.

5.8Flavor Selection Buttons (8)

These push buttons are used to select the flavor of shake to be dispensed. Press the button for the desired flavor. Selection of another button will cancel the previous selection. ‘Vanilla’ provides product from the cylinder only, with no added flavoring.

When ‘Chocolate’, Jamocha’ , or ‘Special’ are selected, that corresponding pump will operate when product is dispensed.

5.9IndicatorLight — “ADD MIX” 9

This light indicates the mix in the mix hopper is at a low level and should be refilled as soon as possible. Always maintain at least 2 inches (5.1 cm) of mix in the hopper. For best operating results keep hopper full.

5.10 Mix Float (not shown)

When this float is mounted on the float stem inside the hopper it automatically senses the mix level. It activates the “Add Mix” light

12

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