Metos EMS PM Bedienungsanleitung

8.5.2015

REFRIGERATED VERTICAL DISPLAY CABINET

EMS PM, M

4310620, 4310622, 4310624, 4310620MR, 4310622MR, 4310624MR, 4310626, 4310628, 4310630, 4310632, 4310634, 4310636, 4310638

Installation and user manual

8.5.2015

Metos EMS

TABLE OF CONTENTS

1. GENERAL ...................................................................................................................................................3

2. SAFETY PRECAUTIONS ............................................................................................................................3

3. SERIAL DATA PLATE..................................................................................................................................3

4. RECEIVING AND INSPECTING THE EQUIPMENT ...................................................................................3

5. INSTALLATIONS ........................................................................................................................................4

5.1. Location.......................................................................................................................................................4

5.2. Unpacking....................................................................................................................................................4

5.3. Ventilation....................................................................................................................................................4

5.4. Leveling .......................................................................................................................................................5

5.5. Initial cleaning procedure.............................................................................................................................5

6. ELECTRICAL INSTRUCTIONS...................................................................................................................5

7. STARTUP PROCEDURE .............................................................................................................................5

8. OPERATION................................................................................................................................................6

8.1. Temperature control adjustment .................................................................................................................6

8.2. Defrost control ............................................................................................................................................7

8.3. Loading product...........................................................................................................................................8

9. MAINTENANCE, CARE AND CLEANING..................................................................................................8

9.1. Cleaning procedure .....................................................................................................................................8

9.2. Parts and Service.........................................................................................................................................9

9.3. TROUBLE SHOOTING CHART ....................................................................................................................9

10. WARRANTY.............................................................................................................................................. 11

10.1. Warranty conditions for the supplied products.......................................................................................... 11

10.2. Consumers’ legal rights in the case of contractual lack of conformity ......................................................12

11. Technical information..............................................................................................................................13

8.5.2015

Metos EMS

1. GENERAL

Congratulations on your purchase. This refrigerator has been manufactured under strict quality controls

and meets the high standards set by the manufacturer. Before shipping, each individual cabinet has been

tested in order to assure a quality product. Furthermore, it has been produced with recyclable materials

using an environmentally friendly process, making an active contribution to the preservation of our

environment.

To get to know all the beneﬁts of your new equipment, please read this instruction manual carefully

before installing.

Use this unit only for its intended purpose as described in this manual.

2. SAFETY PRECAUTIONS

This refrigerator must be properly installed and located in accordance with this manual before it is used.

• Do not allow children to climb, stand or hang on the shelves in the refrigerator.They could damage the

refrigerator and seriously injure themselves.

• Do not touch the cold surfaces in freezer compartments when hands are damp or wet. Skin may stick

to these extremely cold surfaces.

• Do not store or use ﬂammable products near the refrigerator.

• Unplug the refrigerator before cleaning and making repairs.

All servicing must be performed by a qualiﬁed technician.

3. SERIAL DATA PLATE

The serial data plate is a permanently afﬁxed label which has important electrical and refrigeration

data about your product, as well as the model and serial number. This label is located in the interior

compartment on all standard models.

4. RECEIVING AND INSPECTING THE EQUIPMENT

• The product is factory tested for performance and are free from defects when shipped.

• When your equipment arrives, you should carefully inspect the unit for damage during delivery.

• If damage is detected, you should save all the crating material and make note on the carrier’s bill of

lading describing the damage. A freight claim should be ﬁlled immediately.

• If damage is subsequently noted during or immediately after installation, contact our customer care

service.

The manufacturer is not responsible for damage incurred during shipment.

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Metos EMS

5. INSTALLATIONS

5.1. Location

This unit is intended for indoor use only.

Be sure the location chosen for your unit must be able to provide good air circulation for most efﬁcient

refrigeration.

Avoid locations near heat sources such as stoves, ovens, fryers, and also direct sunlight where tempe-

ratures can reach extreme values. Besides, do not select a location in an area where temperatures may

drop below 12ºC (55ºF) or increase more than 25ºC (75ºF) and 60% Rh.

Furthermore, the ﬂoor at the ﬁnal location must be strong enough to support the total weight of the

cabinet plus the maximum product load. Also, it must be level and free of vibration. Reinforce the ﬂoor

if necessary.

It is very important, avoid direct contact of the air conditioning apparatus.

5.2. Unpacking

The unit is shipped from the factory on a wooden pallet and packaged in a wooden container. The woo-

den is attached to the wooden base with the use of large staples. These should be ﬁrst removed to avoid

scratching the unit when lifting off the crate.

All packaging materials used are environmentally friendly and may be recycled or reused. Actively contri-

bute to the protection of the environment by insisting on packaging recovery and removal methods that

are environmentally friendly.

The manufacturer does not recommend laying the unit down on its front, side or back. However, you

must be certain to allow the unit to remain in an upright position afterwards for at least 24 hours before

plugging it in so that the compressor oil and refrigerant may settle.

5.3. Ventilation

To assure maximum operating efﬁciency, the equipment should be located where a continuous air supply

can circulate underneath and behind the cabinet.

Restricting the air supply will generate an excessive heat load on the condensing unit and adversely af-

fect its operating efﬁciency. Do not at any time obstruct the grill area in the front of the cabinet in any way.

Any restriction of the proper air ﬂow, total or partial, will avoid the warranty on the unit.

Avoid

direct contact of the air

conditioning apparatus

Air Conditioning

Minimum distance required (mm)

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Metos EMS

5.4. Leveling

Its extremely important that the cabinet is perfectly level for proper operation so that the drain pan will

drain properly, the doors will line up with the frames and the unit will not be subject to undue strain.

These models are supplied with non-adjustable casters allowing easy cleaning of the ﬂoor under the unit.

In this case, just ensure the ﬂoor where the unit is located is level. To operate in a stable condition, the

front casters must be locked.

Adjustable legs in lieu of casters are supplied as an optional accessory for all our models. In case you

install legs, you should adjust them until the unit is stable and completely level.

5.5. Initial cleaning procedure

Before starting-up and placing any food inside the cabinet, ﬁrstly re-

move the protective ﬁlm and then clean the complete unit thorough-

ly. If any adhesive remains, eliminate it with alcohol. Washing with a

mild soap and warm water solution is recommended for cleaning all

the stainless steel surfaces of your

cabinet. This should be followed by cleaning with a baking soda so-

lution. Rinse thoroughly with clear water and dry with a clean, soft

cloth.

Never use abrasive or harsh cleaners, concentrated detergents, solvents or chemicals when cleaning

the unit.

6. ELECTRICAL INSTRUCTIONS

The supply voltage should be checked before connection to assure that proper voltage for the cabinet

wiring is available. To determine correct unit voltage, please refer to the serial data plate located on an

inner wall of the unit. Verify that this information exactly matches the electrical characteristics at the

installation location.

The manufacturer requires that a sole use circuit be dedicated for the unit. Failure to do so voids warranty.

The unit is designed to operate with a voltage ﬂuctuation of 5% of the voltage indicated on the cabinet

serial data plate. Burnout of the compressor due to exceeding the high or low voltage limits will automa-

tically void the factory warranty.

Any alterations to this cord and plug could cause an electrical hazard and will void the factory warranty.

Furthermore, never use an adapter plug.

The manufacturer will not warranty any units that are connected to an extension cord.

7. STARTUP PROCEDURE

After the cabinet has been installed, levelled, cleaned and electrically connected in accordance with this

manual, it is ready to operate. Simply plug the unit in to begin operation.

The system should run smoothly and quietly in accordance with generally accepted commercial stan-

dards. If any unusual noises are heard, turn the unit off immediately and check for any obstructions of

the fans.

All cabinets must be given enough time to reach normal operating temperature before placing any food

inside cabinet or pans (if equipped). Continuous opening and closing of the doors will hamper the unit’s

ability to maintain optimum refrigeration performance.

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Metos EMS

Before loading product, we recommend to run the unit empty during 24 hours.

The air curtains are designed for exposition of product and maintain the temperature in:

• H1: +4ºC / +8ºC, Climate class 3 (+25ºC, 60%HR). For Fruits and Vegetables.

• M1: 0ºC / +2ºC, Climate class 3 (+25ºC, 60%HR). For Meat and Poultry.

• M2: +2ºC / +5ºC, Climate class 3 (+25ºC, 60%HR). For dairy products and deli.

If the refrigerator is disconnected or shut off, wait ﬁve minutes before starting again.

8. OPERATION

8.1. Temperature control adjustment

To startup of the equipment and also to the control of the temperature, the machine that you have pur-

chased is equipped by a digital controller.

First, push the interrupter and will

start to work the fans and the di-

gital controller. This interrupter is

above of the digital controller.

The temperature is set at the factory but local conditions may need slight adjustment.

This turns the condensing unit and lights off. There is still power to the controller.

For displaying or modifying the set point. When displaying the maximum and minimum tempe-

rature, these can be deleted by keeping the button pressed for 3 second.

This displays the maximum stored temperature; in programming mode and “Function Menu”

mode it is used to look through the parameter codes or increase the value of the variable in use.

This displays the minimum stored temperature; in programming mode and “Function Menu”

mode it is used to look through the parameter codes or decrease the value of the variable in use.

This turns the light on and off.

(UP)

(DOWN)

While in the OFF status, the light button is active.

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Metos EMS

8.2. Defrost control

The defrost timer is preset for a defrost period.

These models have a hot gas defrost system which works by routing superheated compressor discharge

gas directly to the evaporator, avoiding any accumulation of frost.

After every cycle, the water generated is routed to a pan on the rear of the unit and is evaporated by the

heat given off by the compressor.

DEF key DOWN key

UP key

Starting a Manual Defrost Cycle

If manual defrost is required, you may push the DEF key for more than 2 seconds and a manual defrost

will start.

Adjusting Interval between Defrost Cycles (IdF)

The defrost cycles are performed periodically at an interval of 6 hours. This interval starts being counted

from the end of the previous count.The duration of the defrost therefore does not affect then the interval

between defrost cycles. The parameter that controls the interval between defrost cycles is:

IdF: Determines the time interval between the beginning of two defrost cycles.

To adjust this parameter you may follow the next instruction:

1. Enter the Programming mode by pressing the SET + DOWN keys for 3s (the “°C” or “°F” LED starts

blinking).

2. Select the required parameter: IdF. Press the SET key to display its value

3. Use UP or DOWN to change its value.

4. Press SET to store the new value.

To exit: Press SET + UP or wait 15s without pressing a key.

NOTE: the set value is stored even when the procedure is exited by waiting the time-out to expire.

Important: To ensure regular defrosts, the interval between defrost cycles must be greater than the

maximum defrost duration, plus the dripping time and post-dripping time.

Adjusting the Defrost Duration (MdF)

This parameter determines the duration of the defrost selected. You may follow the last instruction, but

the parameter that has to be changed in this case is ”MdF” . The default value is 30 minutes.

Important: If the thermostat is set too cold, the compressor will be running continuously and the evapo-

rator will become blocked by ice.

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Metos EMS

8.3. Loading product

• Before introducing food into the cabinet, it is advisable to leave it empty while in operation until it

reaches the working temperature. Once this has been reached, you can proceed to load the equipment.

• When introducing food, enough space must be left between the goods to enable air circulation.

• Never allow the goods to prevent doors from closing.

• Do not exceed the maximum weight per shelf of 25 Kg (55 lb).

• Do not obstruct the fan with the load and assure that this never exceeds the maximum load level

determined. The load must therefore always be situated underneath the fan.

• Never put hot food in the cabinet.

• Do not leave food inside the unit when it is going to remain shut down either from a power outage or

fault in the equipment.

• If the cabinet is going to remain shut down for prolonged periods, try to leave it unplugged, empty,

clean and with door ajar.

• Food or drinks may be well wrapped or enclosed in airtight containers to avoid odours inside the unit.

9. MAINTENANCE, CARE AND CLEANING

9.1. Cleaning procedure

Cleaning the cabinet

To clean the cabinet, the following instruction should be followed:

• Disconnect the unit from the power supply and remove all food product from inside.

• Open all doors and allow the cabinet to reach room temperature. Remove all accessories and clean

them with a baking soda or mild soap and warm water solution. Dry all of the accessories completely

with a soft clean cloth.

• Once the cabinet has reach room temperature, wash the entire cabinet inside and out with a baking

soda or mild soap and warm water solution. Rinse thoroughly with clear water and dry with a soft

clean cloth. Failure to dry all surface completely may cause water stains.There are also stainless steel

cleaners available which can restore and preserve the ﬁnish of the steels protective layer.

• Return all accessories to their initial positions and plug the unit in.

• Early signs of stainless steel breakdown can consist of small pits and cracks. If this has begun, star to

apply stainless steel cleaners in order to restore the passivity of the steel.

• Many product foods have an acidic content which can attack stainless steel, such as mustard, mayon-

naise, lemon juice, tomatoes and other vegetables.

Never use steel pads, wire brushes or scrapers to clean the cabinet.

Cleaning solutions need to be alkaline based or non-chloride cleaners. Any cleaner containing

chlorides will damage the protective ﬁlm of the stainless steel.

Cleaning the condenser coil

The condenser coil, which is located directly behind the rear panel grill, must be checked periodically. The

frequency of cleaning depends on the operating environment. Air must be able to freely circulate through

the condenser, so the surface of the condenser must be kept free of dirt and grease for proper system

operation. Dirty condensers result in compressor failure and product loss. If the condenser coil is dirty

or blocked, follow this instruction:

• Disconnect the power supply

• Remove the lower grill on the rear of the cabinet

• In some models it will be necessary to remove screws anchoring

condensing unit to frame rails and carefully slide out.

• If the condenser has a housing cover, its screws has to be removed.

• Carefully clean dirt from the condenser using a vacuum cleaner of

soft brush; never use a wire brush.

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Metos EMS

• Heavier dust build up may require compressed air to blow through the condenser coil.

• Replace the condenser cover, slide condensing unit back into position and tighten all screws.

• Finally, replace the lower rear panel and reconnect electrical power supply.

Never use water for this cleaning procedure as water can damage the electrical components loca-

ted near or at the condenser coil.

Drain Maintenance

Each unit has a drain located inside the unit which removes the condensation from the evaporator coil

and evaporates it at an external condensate pan. If you notice excessive water accumulation on the

inside of the unit is sure the drain tube is connected from the evaporator housing to the condensate

evaporator drain pan.

If water is collected underneath the unit you may want to check the condensate evaporator drain tube to

be sure it is still located inside the drain pan.

Be sure all drain lines are free of obstructions; typically food product is found blocking drain lines causing

water to back up and overﬂow the drain pans.

9.2. Parts and Service

Make sure that the equipment is unplugged before cleaning or repairing it.

In case of failure, if the problem persists after you have carried out the indicated checks, “DO NOT MAKE

ANY REPAIRS YOURSELF”. Contact with the Technical Service of your distributor. Always provide the

cabinet model and serial number (located on the data plate, 15 digits) .

When a replacement part is required, always insist on factory authorized parts only.

9.3. TROUBLE SHOOTING CHART

PROBLEM POSSIBLE SOLUTION

Compressor will not start -no hum. 1.- Disconnect switch open.

2.- Blown fuse.

3.- Defective wiring.

4.- Overload protector tripped.

5.- Open control contacts (control may be defective, or unit

location may be too cold).

6.- Defective overload protector.

7.- Low charge of freon-check for leaks.

Compressor will not start -no hums but cycles on over-

load.

1.- Low voltage.

2.- Unit wired incorrectly.

3.- Starting capacitor defective.

4.- Starting capacitor seal.

5.- Compressor motor defective.

6.- High head pressure.

7.- Bearing of pistons tight-low oil charge.

Compressors start, but starting remains in circuit. 1.- Low voltage.

2.- Unit wired incorrectly.

3.- Starting capacitor seal.

4.- Running capacitor defective.

5.- Starting relay defective.

6.- High head pressure.

7.- Bearings of pistons tight-low oil charge.

STOP

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Metos EMS

10 |

PROBLEM POSSIBLE SOLUTION

Compressor starts and runs, but cycles on overload 1.- Low voltage.

2.- Running capacitor defective.

3.- Overload protector defective.

4.- High head pressure.

5.- Fan motor, pump, etc… , wire to wrong of overload protector.

Compressor tries to start when thermostat closes but

cuts out on overload, start after several attempts.

1.- Low voltage.

2.- Start capacitor defective.

3.- Overload protector defective.

4.- High head pressure.

5.- Fan motor, pump, etc… , wire to wrong of overload protector.

Compressor tries to start when thermostat closes but

cuts out on overload, start after several attempts.

1.- Low voltage.

2.- Low on oil.

3.- High head pressure.

4.- Starting relay points badly pitted.

5.- Starting capacitor weak.

6.- Air or non-condensable gases in system.

Compressor starts but immediately cuts out on overload 1.- Starting relay contacts points welded together.

2.- Starting capacitor defective.

3.- Compressor short cycles.

Starting relay burns out. 1.- Low voltage.

2.- High voltage.

3.- Compressors short cycles.

4.- Incorrect running capacitor.

5.- Incorrect relay.

Running capacitors burn out. 1.- Line voltage too high.

Head pressure to low 1.- Insufﬁcient refrigerant charge.

2.- Leak in the system.

3.- Cold location.

Head pressure to high 1.- Unit overcharged.

2.- Air or other non-condensable gases in system.

3.- Clogged condenser (air-cooled)

4.- Defective condenser fan motor.

5.- Unit location too hot.

6.- Restriction in expansion valve, strainer or drier.

7.- Discharge valve partially closed.

8.- Restriction in discharge line.

Compressor short cycles 1.- Control differential set too close.

2.- Refrigerant undercharge, check pressure control.

3.- Refrigerant overcharge.

4.- Discharge valve leaking.

5.- Cutting out on high pressure control, if used.

6.- Cutting out on overload protector because if tight bearings struck piston, high

head pressure or restricted air cooled condenser.

Running cycles too long, or unit operates continuously 1.- Insufﬁcient refrigerant charge.

2.- Dirty or restricted condenser.

3.- Unit location too hot.

4.- Control contacts stuck.

5.- Air or other non-condensable gases in system.

6.- Expansion valve plugged or defective.

7.- Fixture doors left open too long.

8.- Insufﬁcient, defective or water logged insulation.

9.- Evaporated oil logged.

Noisy unit 1.- Compressor oil charge low.

2.- Fan cable on condenser or evaporator bent causing

vibrations.

3.- Bearing on evaporator or condenser motors lose or worn.

4.- Tube rattles.

5.- Lose parts on condensing unit.

6.- Case is not level.

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