Niagara Service Training Meeting

Niagara 100 - cold water production (10°C): 50 litres per hour - cooling system: Direct chilling - compressor: 1/4 HP - condensation: Ventilated

Floor standing coolers

Niagara 150 - 150 WG - cold water production (10°C): 75 litres per hour - cooling system: Direct chilling - compressor: 1/3 HP - condensation: Ventilated - WG: Water gas, sparkling water outlet 2

Niagara 200 - cold water production (10°C): 100 litres per hour - cooling system: Direct chilling - compressor: 1/3 HP - condensation: Ventilated

Floor standing coolers

Niagara 400 - 400 WG - cold water production (10°C): 150 litres per hour - cooling system: Ice bank - compressor: 1/3 HP - condensation: Ventilated - WG: Water gas, sparkling water outlet 3

Niagara 100 ECO - cold water production (10°C): 50 litres per hour - cooling system: Direct chilling - compressor: 1/4 HP - condensation: Ventilated

Floor standing coolers

Niagara 150 ECO - cold water production (10°C): 75 litres per hour - cooling system: Direct chilling - compressor: 1/3 HP - condensation: Ventilated

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Niagara TOP 60 - 60 WG - cold water production (10°C): 30 litres per hour - cooling system: Direct chilling - compressor: 1/6 HP - condensation: Ventilated

Niagara TOP 150 - 150 WG Over counters coolers

- cold water production (10°C): 75 litres per hour - cooling system: Direct chilling - compressor: 1/3 HP - condensation: Ventilated

Niagara TOP 400 - 400 WG - cold water production (10°C): 150 litres per hour - cooling system: Ice bank - compressor: 1/3 HP - condensation: Ventilated - WG: Water gas, sparkling water outlet

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Niagara IN 60 - 60 WG - cold water production (10°C): 30 litres per hour - cooling system: Direct chilling - compressor: 1/6 HP - condensation: Ventilated

Niagara IN 150 - 150 WG Build - IN coolers - cold water production (10°C): 75 litres per hour - cooling system: Direct chilling - compressor: 1/3 HP - condensation: Ventilated

Niagara IN 400 - 400 WG - cold water production (10°C): 150 litres per hour - cooling system: Ice bank - compressor: 1/3 HP - condensation: Ventilated - WG: Water gas, sparkling water outlet

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Niagara 150 - Hydraulic Circuit

N.

CODICE

DESCRIPTION

1 2521360

STRAIGHT ADAPTOR JG 3/8M - 8

2 2521412

BULKHEAD CONNECTOR 3/8F-1/2M

6 2801363

PA HOSE 8x6

7 2521367

EQUAL ELBOW JG 8

8 2521363

STEM ADAPTOR JG 3/8M - 8

9 1501302

EVERPURE FILTER

10 2521364

TEE JG 8

14 811004013

DIRECT COOLING SYSTEM NIAGARA 200

17 2521362

STRAIGHT ADAPTOR 1/4M - 8

18 4741734

FLOW REDUCTION 01RA005

19 2641124

SOLENOID VALVE 3105 BC 24AC 1/4FF

20 2521368

STRAIGHT ADAPTOR 1/4M - 10

21 2801358

STAINLESS STEEL COLD WATER EXIT 01RA006

22 815614001

TAP FITTING

23 2661513

TAP WASHER

24 2641417

STAINLESS STEEL AERATOR

25 2781329

STAINLESS STEEL TAP SPOUT

7

Niagara 150WG - Hydraulic Circuit

N. CODICE 1 2521360

DESCRIPTION STRAIGHT ADAPTOR JG 3/8M - 8

2 2521412

BULKHEAD CONNECTOR 3/8F-1/2M

3 2521310

BRASS NIPPLE NICKEL-PLATED 3/8M-1/2M

4 2521502

WATER PRESSURE REDUCER 1/2FF

5 2521355

BRASS REDUCTION NICKEL-PLATED 1/2M - 3/8F

6 2801363

PA HOSE 8x6

7 2521367

EQUAL ELBOW JG 8

8 2521363

STEM ADAPTOR JG 3/8M - 8

9 1501302

EVERPURE FILTER

10 2521364

TEE JG 8

11 2521388

FEMALE ADAPTOR 1/4F - 8

12 3823709

PRESSURE GAUGE PMN2C14KSTO,5

14 815613089 DIRECT COOLING SYSTEM 15 82781164

CARBONATING UNIT

17 2521362

STRAIGHT ADAPTOR 1/4M - 8

18 4741734

FLOW REDUCTION 01RA005

19 2641124

SOLENOID VALVE 3105 BC 24AC 1/4FF

20 2521368

STRAIGHT ADAPTOR 1/4M - 10

21 2801358

STAINLESS STEEL COLD WATER EXIT 01RA006

22 815614001 TAP FITTING 23 2661513

TAP WASHER

24 2641417

STAINLESS STEEL AERATOR

25 2781329

STAINLESS STEEL TAP SPOUT

26 1761514002 PUMP PO 204 27 2521361

FEMALE ADAPTOR 7/16F - 8

28 no code

NO RETURN VALVE

31 2521375

STRAIGHT ADAPTOR JG 1/8M - 8

32 2641125

SPARKLING SOLENOID VALVE PX101A1/S

33 2521504

CO2 PRESSURE REDUCER

34

CO2 PRESSURE REDUCER

8

Niagara 400 - Hydraulic Circuit

N. CODICE

DESCRIPTION

1 2521360

STRAIGHT ADAPTOR JG 3/8M - 8

2 2521412

BULKHEAD CONNECTOR 3/8F-1/2M

6 2801363

PA HOSE 8x6

7 2521367

EQUAL ELBOW JG 8

8 2521363

STEM ADAPTOR JG 3/8M - 8

9 1501302

EVERPURE FILTER

10 2521364

TEE JG 8

17 2521362

STRAIGHT ADAPTOR 1/4M - 8

18 4741734

FLOW REDUCTION 01RA005

19 2641124

SOLENOID VALVE 3105 BC 24AC 1/4FF

20 2521368

STRAIGHT ADAPTOR 1/4M - 10

21 2801358

STAINLESS STEEL COLD WATER EXIT 01RA006

22 815614001 TAP FITTING 23 2661513

TAP WASHER

24 2641417

STAINLESS STEEL AERATOR

25 2781329

STAINLESS STEEL TAP SPOUT

29 2521365

STRAIGHT ADAPTOR JG 8 - 8

36 1702734

TANK COOLER

37

STAINLESS STEEL WATER LINES

9

Cold Carbonator system

The pump push with high pressure cold water in to the carbonator For the high pressure, the cold water became like a ‘spray’ This situation is favourite for fixing Co2 to the water

10

Setting up the Niagara at your premises •

Examine the packaging for sign of damage, report any damage to the haulier

•

Remove the carton and the plastic bag from the cooler

•

Make a general inspection, ensuring that there are no marks or damage to cooler and all accessories are present

•

Sanitise the cooler

•

Replace the plastic bag

•

Replace the box over the Niagara

•

The cooler is ready for the transportation to the customer 11

Installation

•

Place the cooler in the desired point of installation, away from heat sources and protected from direct sunrays.

•

Adjust feet to level the cooler correctly and to avoid irritating noises caused by vibration.

•

To ensure proper ventilation, position the Niagara at a distance of at least 6-7 cm from the wall.

12

Water connection to the mains •

•

1

Before making the water connection, make sure the mains water pressure is between 1 and 3 bars and that the flow is more than 3.5 l/min. The flow rate is especially important for WG coolers, infect if the flow rate is less than 3,5 l/min is necessary install a device that is capable of increase the flow rate and the pressure (e.g. autoclave or equivalent system).

•

If the mains water pressure exceeds 3 bars, predispose a pressure reducer capable of reducing the latter to the 1-3 range. Only the Niagara 150WG and 400WG are provided with a water pressure reducer already fitted onto the appliance.

•

Connect the appliance to the water mains using the water inlet fitting.

13

Water connection to the mains

2

•

The 3/8F connector or the fast coupling provided can be used for the 8 mm diameter pipe.

•

Predispose a stop tap on the water inlet pipe.

DRAIN CONNECTION (only floor standing Niagara) •

The drain water is clean and it comes from the tray that collects any dripping during dispensing.

•

Connect the drain pipe (i.d. 18 mm - e.d. 24 mm) to a drain with a drain-trap. If necessary, cut the pipe so as to avoid constrictions or backflow problems.

14

Electricity Connection 1 •

Connection to the mains electricity supply is carried out by connecting the plug to a mains socket.

•

The supply socket must be equipped with an efficient earth plate and it must be sized for the load of the appliance (see technical characteristics).

•

Make sure that the mains voltage corresponds with what is specified on the data plate.

•

Make sure that there is an omnipolar switch above the socket with a minimum contact break of 3 mm protected by fuses of suitable amperage for the absorption of the appliance itself (see technical characteristics and data plate).

15

Connection to the Co2 cylinder (WG models) • • • • •

For the production of carbonated water, you must provide a CO2 cylinder for alimentary use. On Niagara 150WG you can install only 4kg cylinder. Extract the front panel (only on floor standing models) Connect the pressure reducer R to the CO2 cylinder B, making sure the gasket G is in the correct position. Tighten nut N and check that the pipe T (outlet) is well connected

T R

N G B 16

Starting 1 •

Only for Niagara floor standing: remove the top back panel to have access to electric box Model 400

1 2

4 5

• • • • • •

Make sure the main switch 1 is on the 0 (OFF) position Open the water supply tap and make sure there are no leaks Make sure the drain pipe is connected correctly Connect the plug to a mains power socket Place the selector 5 in the summer or winter position (only 400 models) Regulate the temperature control 4 to the max position 17

Starting 2 Model 400 1 2

4 5

• •

Turn ON the main switch 1 Now press the dispenser push button for still water (left position) until all the air remaining in the water line is eliminated

• •

On Niagara 400 models is necessary fill of water the Ice bank tank Any excess water is discharged via the drain pipe.

18

Sparkling water • •

• •

Turn tap of CO2 cylinder The CO2 pressure outlet is normally 3 - 4 bars, this value is set at the factory. If necessary, turn screw 4. Clockwise increase pressure (and increase gas in the water) Press the push button for Sparkling water (right) Let a few litres of water flow until sparkling water begins to come out N.B. The quality of the carbonating also depends on the water temperature. The water is cold enough after around 40 minutes.

4 R

B 19

Hygienic Cleaning

20

Hygienic Cleaning 1 •

WARNING! Given that the products used for the hygienic cleaning procedure contain corrosive acidic and alkaline substances, disposable gloves and protective eyewear should be worn at all times.

•

When performing the hygienic cleaning procedure, please keep to the product reaction times, sanitising liquid percentages and quantities of water for rinsing.

•

The hygienic cleaning should be performed before installing the appliance and each time: - components of the hydraulic cycle are replaced, - you encounter or suspect there is contamination, - the appliance is installed.

21

Hygienic Cleaning 2 •

Warning: If a filtering kit is fitted on the appliance, it should be excluded from the hygienic cleaning process.

•

Preparation of the hygienic cleaning solution, take five litres of water in a bucket or pan.

•

Add to it 5% of hydrogen peroxide 130 volumes; for the dosage, use a graduated measuring cup or a common syringe.

•

N.B.: when using commercial hygienic cleaning solutions, keep to the instructions provided by the manufacturer and included in the packaging.

•

Using a pump P, connect the appliance water inlet to the bucket filled with the disinfectant solution.

22

Hygienic Cleaning 3 •

Start the pump, allowing the disinfectant to enter the appliance, then turn on the taps to enable the hygienic cleaning solution to flow throughout the entire hydraulic circuit, right through to the water dispensing spout.

•

Before you run out of disinfectant solution, turn the pump off and stop the water dispensing.

•

Leave the disinfectant solution to act for 20 minutes.

•

Reconnect the appliance to the water mains.

•

Allow for at least 15 litres of water to flow out of the taps so that the water system is rinsed thoroughly, before using the appliance again.

23

Troubleshooting

24

Troubleshooting cold water system 1 No cold water and compressor not running 1 2 3 4 5 6

Check voltage received by cooler Check cold thermostat Check wires Check compressor relay Check compressor overload Check compressor

No cold water and compressor running 1 2 3 4

Check voltage received by cooler Check for a refrigerant leak Check capillary line Check compressor 25

Troubleshooting cold water system 2 Too much noise coming from the cooler 1 Check for vibration at refrigeration pipes 2 Check for vibration caused by adjustable feet

Cold water comes out slowly or not at all 1 2 3 4

Check water inlet pressure The water is frozen. Check cold thermostat Check push button and solenoid valve Check water filter

26

Troubleshooting sparkling water system 1 Sparkling water not very fizzy or not at all 1 2 3 4

Check Co2 pressure reducer Check Co2 cylinder empty Check water inlet flow rate Check water outlet temperature

Only gas comes out from sparkling tap 1 2 3 4

Check water inlet pressure Check the carbonator tank Check water filter Check the pump

27

Troubleshooting sparkling water system 2 Water leaks from taps 1 Check solenoid valve

The Still water comes out a little sparkling 1 Check the carbonator tank

The pump stops and starts continuously 1 Check the water inlet 2 Check the probes in the carbonator tank

28

Repairs & Solutions

29

Voltage

Checking the Voltage • Is the electric cord plugged in? Plug in the cooler • Is the switch controlling the outlet in the OFF position? Switch ON, verify with an electric appliance if the outlet is good. For voltage problem the customer must to contact the utility company •

Is the general switch on cooler in ON position?

30

Cold thermostat

On all Cosmetal cooler the cold thermostat is the same. • Check if it’s in OFF position or set to the minimum • Check for continuity Unplug the electric cord, with a ohm meter control the thermostat continuity If it exists the thermostat is good •

Check the wires connected on its terminals

•

For change a thermostat it is important measuring the length of capillary tube inserted in to the copper tube. In the faulty thermostat place a piece of masking tape around the capillary tube at the point the tube enters in the copper tube well.

31

Wires

Check the electrical wires • Is any wire disconnected from terminal?

• Is any terminal loose? Replace any defective wires, terminal, or connectors

32

Relays

The starting relay is located in the compressor electric box • Check the continuity of the starting relay With a ohm meter control the thermostat continuity. If it exists the relay is good • Check the PTC relay (Rio “RI” P.O.U.) For to test a PTC relay it’s necessary change it with a known good one Overload Overload is a compressor self protection, It is possible to replace a faulty overload, it’s in the compressor electric box

33

Compressor

•

The compressor runs but does not cool the water (It may be low on refrigerant)

•

The compressor runs a short time and shuts off, then repeats the pattern several times (the refrigerant lines may be restricted)

Change the compressor. A specialised refrigerant repairman may do the substitution.

34

Refrigerant leak

• Is refrigerant leaking? Check the temperature of condenser when the compressor running, if the condenser is quit warm, there is a refrigerant leaking. Normally when the compressor running, the condenser temperature is 50-55°C. A specialised refrigerant repairman may do the service.

35

Capillary line

•

Visually check to see that lines are not bent

A specialised refrigerant repairman may do the service.

36

Vibration

• Is a section of the pipes line vibrating against another cooler part? Eliminate vibrations by moving tubing away from other cooler parts.

• Is the P.O.U. levelled? Level the cooler using the adjustable feet.

37

Inlet pressure There is a security system that stop the pump when the water inlet pressure is low. In some cases, when the water pressure is near the alarm point, the security system stops and start the pump continuously. The flow rate is especially important for WG coolers, infect if the flow rate is less than 3,5 l/min. is necessary install a device that is capable of increase the flow rate and the pressure (e.g. autoclave or equivalent system). • Is there a minimum pressure in the main water line? Verify if there is an hand valve close or some tubes are bent. • Is the water filter obstructed? Change the filter cartridge 38

Solenoid valve

•

(no water comes) Check the continuity of the solenoid valve and of the push button With a ohm meter control the electric coil continuity. If it exists, the solenoid and/or push button is good • Is some drops of water come trough the water tap? Some dirty is going to inside the valve. It’s necessary to disassemble the valve and remove the dirty

39

Filters

• Is the water filter obstructed? Change the filter cartridge

40

Pressure reducer

• Which is the pressure in the outlet gas gauge ? A good setting is from 3,5 to 4 bars

• Is it the Co2 cylinder empty? Replace it

41

Cold water temperature

• Which is the cold water temperature? The quality of the sparkling water also depends on the water temperature. More cold - more sparkling.

42

Only gas • Is the pump turn continuously? Verify if there is an hand valve close or some tubes are bent. •

The inlet connection in the carbonator is closing by a little object (teflon tape, sand e.c.) Unscrew the inlet pipe and remove the dirty • Is the water filter obstructed? Change the filter cartridge

43

Carbonator •

In the carbonator the inlet water check valve is dirty (teflon, sand e.c.), it doesn’t close well and the gas go out in the still water line

Close water line Close the tap on CO2 gas cylinder Unscrew the inlet pipe and open the stainless steel check valve. In the check valve there is a spring and a gasket, clean the gasket and the internal on valve.

44

Pump

• The pump doesn't work? Verify if the pump is blocked or if the motor is not working. Replace the pump or the motor

45

Probes • The pump stops and start continuously. Invert the wires connected in the two probe, on the head of carbonator.

46