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Water DistillersOPERTION MANUAL

A 1104 | A 1110 | A 1125 | A 1204 | A 1210

BEAR | 2017 | page 2

General safety:

� Use only as specified in the operating instructions provided

� The water distiller should not be used if it has encountered a physical shock or has been dropped

� The water distiller should not be moved or knocked while in operation

� The water distiller must be stored and transported according to the package labels

� After transport or storage allow the water distiller to warm up and dry out (2 hrs.) before connecting to the power source

� The water distiller is designed for indoor use only

� Do not operate the water distiller in environments with aggressive or explosive chemical mixtures

� Do not make modifications to the design of the water distiller

� Be careful, water distiller surfaces and distillate can be extremely hot while operating

� Use only original accessories and parts (heaters, valves, control unit etc.), provided by BEAR Innovation, LLC or its representatives

Electrical safety:

� Connect only to the power source with a voltage and power frequency corresponding to that one on the serial number label (ID-plate)

� Ensure that the switch and/or plug are easily accessible during use

� Do not plug the water distiller into the power source without grounding

� Before moving / cleaning the water distiller turn it off and disconnect from the power source

1. SafetyThe following symbol mean:

CAUTION: Read these operating instructions fully before use and follow them unconditionally! Instructions are relevant to safety precautions.


Operation safety:

Water distiller is based on water evaporation method. Due to that fact, it heats water up to boiling temperature. Be careful with water distiller surfaces and distillated water – they can be extremely hot.

Never open working distiller. Before any maintenance make sure that water distiller has cooled down.

� Water distillers with built in tank (models BEAR B 1104, BEAR B 1110, BEAR B 1125) are equipped with automatic control system and will automatically switch off if tank is full. Nevertheless, water distiller is a powerful electric equipment that works with liquids and it must be periodically observed by personnel while operating.

� Water distillers without built in tank (models BEAR B 1204, BEAR B 1210) are not equipped with automatic control system and must be controlled by personnel all the time while operating. Make sure that distillate receptacle is big enough and not full, before starting operation.

2. General information2.1. Water distillers

� BEAR B 1104

� BEAR B 1110

� BEAR B 1125

� BEAR B 1204

� BEAR B 1210 (hereinafter referred to as water distillers)

� are electric single(mono)-distillation water distillers designed for produc-ing distilled water for laboratory and other use. Water distillers differ in capacity and features, depending on model.

2.2. Water distillers are designed to work either with single phased 120 V or 3-phased 200-220 VAC electric network (for USA, Canada, Mexico and other countries with corre-sponding voltage standards)

2.3. Water distillers power consumption, not more than:

� 1.5 kW – BEAR B 1104, BEAR B 1204 (3 kW modifications are also avail-able)

� 7.5 kW – BEAR B 1110, BEAR B 1210

� 18 kW – BEAR B 1125

2.4. Water distiller’s capacity at rated mains voltage, not less than

� 0.5 gallon of distillate per hour – BEAR B 1104, BEAR B 1204 (1 gallon in


case of 3 kW modification)

� 2.6 gallons of distillate per hour – BEAR B 1110, BEAR B 1210

� 6.6 gallons of distillate per hour – BEAR B 1125

2.5. Raw water consumption of water distillers per hour, not more than

� 10.5 gallons – BEAR B 1104, BEAR B 1204

� 26.4 gallons – BEAR B 1110, BEAR B 1210

� 66 gallons – BEAR B 1125

2.6. Water distillers weight and dimensions

� 22.4х12.6х19.3 inches, 55 lbs – BEAR B 1104

� 34.3х17.3х21.7 inches 100 lbs – BEAR B 1110


� 11х10.5х19.7 inches, 20 lbs – BEAR B 1204


3. Getting started3.1. Unpacking: Carefully open the top of the package and remove the distiller out of the

box (BEAR B 1204 and BEAR B 1210) or wooden crate (BEAR B 1104). Due to heaviness of BEAR B 1110 and BEAR B 1125, those models should be unpacked by 2 persons. For BEAR B 1110 and BEAR B 1125 the easiest way is to disassemble the wooden crate and then remove the pallet.

Remove the protective plastic film (bag) and take all the spare parts and accessories from the inside of the distillers. NOTE – some amount of water and scale formations can be inside of the water distiller. It is normal and occurs because every water distiller is tested by quality control department for 2 hours prior to shipment.

3.2. Delivery set:

BEAR A 1104

Description Quantity

Water distiller 1

Water connection hose (inlet hose), length 2 meters 1

Water connection hose (drain hose), length 1.5 meters, 12x20 mm 2

Fitting with male thread 12 mm 2

Silicone tube for constant distillate withdrawal 10x2 mm length 1 meter 1

Screw clamp 12-20 mm 2

Plastic tie for securing silicone tube 1

Rubber gasket for inlet hose ¾” 2

Sealing tape 1


BEAR A 1110


Water distiller 1








Adjustable foot 4

Sealing tape 1

BEAR A 1125


Water distiller 1








Adjustable foot 4

Sealing tape 1

BEAR A 1204


Water distiller 1

Brass filter (rough) ½ “ 1

Ball valve ½ “ 1

Metal water connection hose (inlet hose), length 1.5 meters. ½ “ 1

Water connection hose (drain hose), length 1.5 meters, ½ “ 2




Sealing tape 1


BEAR A 1210


Water distiller 1

Brass filter (rough) ½ “ 1

Ball valve ½ “ 1


Metal water connection hose (inlet hose), length 1.5 meters. ½ “ 1

Water connection hose (drain hose), length 1.5 meters, ¾” 2




Sealing tape 1


Figure 1 shows the water distiller design (the structure component view is schematic not taking into considera-tion features of the water stills), Figure 2 shows the fitting / grounding terminal connection diagram.

4. Water distiller with built in tank design and principle of operation


Figure 1. The design of the BEAR A 1104, BEAR A 1110, BEAR A 1125 electric water distillers, where:

1 – Housing

2 – Evaporator

3 – Steam flow splitter

4 – Flow rate limitation nozzle

5 – Steam movement channel

6 – Condenser chamber

7 – Equalizer

8 – Evaporator drain pipe

9 – Evaporator low level sensor

10 – Low-water thermostat sensor

11 – Distillate level sensor

13 – Electric circuit components


15 – Heat exchanger inlet

16 – Evaporator inlet

17 – Heater

18 – Equalizer drain pipe

19 – Heat exchanger

20 – Condenser drain pipe

21 – Raw water supply valve

22 – Collector distillate level pipe

23 – Evaporator top level sensor

24 – Equalizer level sensor

Figure 2. Fitting / grounding terminal connection diagram for the BEAR B 1104, BEAR B 1110, BEAR B 1125 electric water distillers, where:

25 – Raw water supply valve fitting

26 – Cooling water drain fitting

27 – Evaporator water drain tap fitting

28 – Distillate drain tap

29 – Grounding terminal

30 – Thermal overload reset switch

The water distiller electric circuit components 13 are located in the base bottom part.


4.1. When the water distiller is switched ON using the POWER switch (this switch is lit in the ON position), the raw water supply valve 21 is activated (Figure 1). As soon as the evaporator water level reaches the bottom sensor 9, the automatic device switches the heaters 17 ON.

4.2. The operation mode is achieved maximum in 15 min in the case of the BEAR B 1104 water still and maximum in 30 min in the case of the BEAR B 1110 and BEAR B 1125 water stills.

4.3. When water boils in the evaporator 2, steam forms, then separated and enters in the condenser 6 via the channel 5. The separator consists of the steam floe splitter 3 and the nozzle 4 located inside the channel 5.

4.4. Steam condenses in the condenser walls and heat exchanger 19 with the formation of distilled water. The evaporator water level is maintained automatically by means of the equalizer 7 due to the water overflow in the drain pipe of the equalizer 18.

4.5. The condenser 6 housing is simultaneously a distilled water collector.

4.6. Distilled water can be produced in the continuous mode, with the collector 6 unused by flowing distillate in other containers via the drain tap 28 (Figure 2) located on the front panel.

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5. Water distiller with built in tank automatic controller principle of operation5.1. The water distiller is connected to the mains using a plug (for 1.5 kW version of BEAR

B 1104 and BEAR B 1204) or an input circuit breaker (BA) (for 3 kW version of BEAR B 1104 and BEAR B 1204 and all versions of BEAR B 1110, BEAR B 1210, BEAR B 1125) , which should be installed by the Customer and is intended for the overload / short cir-cuit protection of electric circuits; it is selected by the 10xIn overcurrent tripping setting (where In is a rated current).

5.2. The water distiller is started by setting the toggle POWER switch to ON, at the same time the POWER LED lights and supply voltage is applied to the automatic device that activates raw water supply valve 21 (Figure 1), at the same time the INLET WATER led lights.

5.3. When the water level in the evaporator 2 (Figure 1) reaches the bottom sensor 9, at the same time the NORMAL WATER LEVEL LED lights, the automatic device activates the heater (s) 17 (Figure 1), at the same time the switch HEATER LED lights.

5.4. When the evaporator water level lowers below the admissible level (below the level sensor 9) the automatic device switches the heater OFF, at the same time the switch led HEATER turns off.

5.5. The Low water thermostat sensor 10 (Figure 1) ensures an additional emergency shut-down of the water still in the case of water level lowering and the heater temperature rise over 150 ̊С.

5.6. When the distillate collector is filled up to the level sensor 11 (Figure 1), the automatic device stops the heater 17 (Figure 1) and shuts raw water supply valve 11 (Figure 1) off, at the same time HEATER LED and INLET WATER LED turns off. The FULL RESERVOIR LED lights.

5.7. When distillate is drained from the collector, The FULL RESERVOIR LED turns off, the automatic controller activates raw water supply valve 21 and the heaters 17 (Figure 1) at the same time the INLET WATER and HEATERS LEDS lights

5.8. When water overflows in the evaporator 2 (Figure 1) or equalizer 7, the water level reaches the top-level control sensor in the evaporator 7 or level sensor in the equaliz-er 24, the automatic controller switches the heater 17 and raw water supply valve 21 OFF and the HIGH WATER LEVEL LED will be lit. To continue the operation, you should switch toggle POWER switch OFF, eliminate the cause of overflow and switch the tog-gle POWER switch to ON.

5.9. Upon completion of operation you should cut the water distiller of the mains. Switch toggle POWER switch and input circuit breaker off.

.

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Figure 3. The design of the BEAR A 1204, BEAR A 1210 electric water distillers, where:

Figure 5 shows the design of BEAR B 1204 and BEAR B 1210 (the structure component view is schematic not taking into consideration features of the water stills):

6. Water distiller without built in tank design and principle of operation

1 – Housing

2 – POWER switch

3 – Electric heater(s)

4 – Low water thermostatic sensor

5 – Distillate drain pipe

6 – Condenser

7 –Water inlet pipe

8 – Fitting


10 – Evaporator

11 – Rubber gasket

12 – Cooling water drain pipe

13 – Thermal overload reset switch

14 – Evaporator draining pipe (for cleaning)

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6.1. Prior to the start of the water still, it should be connected to the water supply system through the pipe 7 (Figure 3) and you should wait until water runs from the cooling water drain pipe 12, to which the cooling water removal hose is connected. The nozzle 9 automatically controls the water flow rate.

6.2. When the power switch 2 is switched ON (the switch is lit when in ON position), the automatic controller switches the electric heater 3.

6.3. Raw water boils in the evaporator 10, steam forms and is separated and fed into the condenser 6. Steam condenses on the condenser walls and in the heat exchanger with formation of distilled water. The equalizer maintains the water level in the evaporator due to water overflow in the drain pipe

6.4. Distillate flows out through the distillate drain pipe 5. Additional containers should be used to collect distillate.

7. Before installationInstallation of the equipment must be done only by qualified personnel and only after reading this operating manual

7.1. The water distillers are designed for table mounting and should be placed on a solid and flat surface. Use level and adjustable foots to place water distiller.

7.2. Water distillers should be installed in rooms with water supply system, water supply control valve, sewage system, electric network with grounding. Do not use the water distillers without connecting its grounding terminal to the protective grounding bus.

7.3. During the operation, the water distiller produces gases, as well as steam and heat from raw water, because of this, it is reasonable to have sufficient natural ventilation or exhaust ventilation in the premises.

7.4. Raw water incoming pressure should be 0.15-0.5 MPa. Otherwise, the stable water distiller operation is not guaranteed.

7.5. Prior to the connection of the water distiller to mains, check visually the cord, breaker for any signs of defectiveness.

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8. Water distiller with built in tank installation8.1. Attach the fitting with 1/2’’ male thread through the sealing tape to the tap 28 (Figure 2).

Connect the silicone tube to the fitting and attach a plastic tie

8.2. Attach the fitting with 1/2’’ male thread through the sealing tape to the tap 27 (Figure 2).

8.3. Connect the drain hose. First one to the fitting 26 for the cooling water drain (Figure 2). This hose should be connected all the time. Another hose connect to the tap fitting 27 for the wastewater drain from the evaporator (This hose can be connected only while cleaning and descaling the distiller). Tighten the connections of hoses and fittings with the clamps supplied.

8.4. IMPORTANT! The hose for the cooling water drain from the fitting 26 (Figure 2) should be located at a slant and it must not have any twists and kinks. If necessary, shorten the hose. The level difference between the fitting 26 and the location of the hose connection to the sewage system should be at least 0.3 m. The hose should not abut against the internal sewage pipe wall.

8.5. Otherwise, the water level in the evaporator 2 (Figure 1) and equalizer 7 begins to rise and reaches the top level sensor 23 or level sensor 24 and the automatic controller will stop the water distiller and the HIGH WATER LEVEL red LED will light up).

8.6. Install gaskets in the filling hose nuts (if they ar not pre-installed at the factory).

8.7. Connect the filling hose to the fitting 25 (Figure 2).

8.8. Connect the filling hose to the raw water supply system through a valve or a ball valve.

8.9. Check, that the bottom level sensor 9 (Figure 1) does not contact the walls of the evaporator 2 and steam flow splitter 3. Otherwise, the heaters start to operate in the absence of a sufficient water level. This will cause an emergency shutdown of the water distiller due to the electric heater temperature rise above 150 °C.

8.10. Check, that the distillate level sensor 11 (Figure 1) does not contact the walls of the condenser 6 and exchanger 19. Otherwise, the automatic controller will assume that the collector is filled with distillate, turn off water heating, and shut the inlet water supply valve off.

8.11. Check that the sensors 23 (Figure 1) and 24 do not contact the walls of the evaporator 2 and equalizer 7. Otherwise, the automatic device would assume that there was an overflow of water and turn off the water distiller, and the HIGH WATER LEVEL LED will be lit.

8.12. Before connecting to the mains, make sure that the voltage and power correspond with the information on the water distillers. The mains should be equipped with a circuit breaker in accordance with the water distiller power (NOT LESS THAN 10 A for BEAR A 1104, 25 A for BEAR A 1110 and 55 A for BEAR A 1125). The water still is connected to

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the mains using the plug for 1.5kW versions of BEAR B 1104 and BEAR B 1204 and for the rest of the models using mains input circuit breaker (Figure 4) to be installed by the customer and intended for protection against overloads and short-circuits of electrical circuits.

8.13. The circuit breaker is not supplied, should be purchased by the customer and selected based on the calculation of the In+10% overcurrent tripping setting (where In is a rated current).

8.14. Connect the water still grounding terminal to the PG bus with flexible copper wire at least 6 mm2 in cross section. Connect the external circuits to the power supply network in accordance with Figure 4 and 5

Input circuit breaker

Five core cable

GroundingTerminal

yellow-green

HOUSING

BA

blue

L1L2L3N

PG (Ground)

Input circuit breakerSocket and plug with a grounding

contact

GroundingTerminal HOUSING

BAL1

NPG (Ground)

Figure 4. Wiring diagram for the connection of external circuits of water distillers to the single

phased 120 VAC electric network

Figure 5. Wiring diagram for the connection of external circuits of water distillers to the 3-Y 220

VAC electric network

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9. Water distiller without built in tank installa-tion9.1. IMPORTANT: In order to avoid manual adjustment of the water flow through

the tap, the flow rate limitation nozzle 9, which throttles the flow of water in the range of 0.15-0.5 MPa (the optimum pressure is 0.15-0.2 MPa) is installed in this water distiller. This provides the minimum flow and maximum performance of the water distiller.

9.2. The throttle orifice in the nozzle has a small cross-section and can be clogged with par-ticles of sand or salt-containing sediments. Therefore, to avoid clogging of the nozzle, as well as for monitoring pressure in system of water supply, it is recommended to install in the water supply system a pressure regulator with a pressure gauge and a self-clean-ing filter (with 100-micron filtration fineness).

9.3. In case of clogging the nozzle, the water distiller begins to emit steam, the productivity decreases. In the absence of flow of water through the nozzle, the water level in the evaporator becomes insufficient, overheating of the heater will occur leading to trigger-ing of the thermal overload switch 13 and the full disabling of the water distiller.

9.4. In the case of frequent nozzle clogging, if the filter is not installed, the nozzle may be removed from the water distiller. The consumption of water should be controlled with a valve supplied. The flow rate is considered optimal, when the temperature at the outlet of the heat exchanger (water temperature Equalizer) is about 70-80 degrees Celsius.

9.5. Install water distiller on the table, using the level gauge and avoiding slants. 9.6. Attach the silicone tube (L = 0.5 m) to the distillate drain pipe 5.9.7. Connect the drain hose to the cooling water drain pipe 12.9.8. Tighten the connection of the hose and the cooling water drain pipe 12 with the screw

clamp supplied.9.9. IMPORTANT: The drain from the drain hole should be free: the cooling water

drain hose should be at a slant, and it should not have any twists and kinks (if necessary, reduce the length of the hose). The height difference between the drain hole and location of connection of the hose to the sewage system should be at least 0.3 m. Otherwise, an air lock may appear, the water level in the evaporator will begin to rise and overflow of water from the equalizer will start.

9.10. Connect the 1/2” ball valve (supplied) through the sealing strip to the pipe 7 (Figure 5).9.11. Connect one end of the 1/2” flexible water piping to the ball valve and the other end to

the water supply system through the ½ “brass filter (supplied). 9.12. Attach the fitting with 1/2’‘male thread through the sealing tape to the valve for waste

water drain from the evaporator. 9.13. Connect the hose for waste water drain from the evaporator to the fitting of the water

still. 9.14. Tighten the connections of hoses and fittings with the clamps supplied. 9.15. Connection to mains:9.16. The circuit breaker is not supplied, is purchased by the consumer and selected based

on the calculation of the In+10% overcurrent tripping setting (where In is a rated current)9.17. Connect the water still grounding terminal to the PE bus with flexible copper wire at

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least 6 mm2 in cross section.9.18. Connect the water distillers according to Figure 4

10. First use of the water distiller with built in tank10.1. Disinfect the internal surfaces of water distiller with 3 % solution of hydrogen peroxide

with addition of detergent or similar ready-to-use products for disinfection.10.2. Close the tap for water drain from the evaporator Pos. 27 (Figure 2).10.3. Open the valve for the raw water supply to the water distiller.10.4. Check that the bottom level sensor 9 (Figure 1) does not contact the walls of the

evaporator 2 and steam flow splitter 3. Otherwise, the heaters start to operate in the absence of a sufficient water level. This will cause an emergency shutdown of the water still due to the electric heater temperature rise above 150 °C.

10.5. Check that the distillate level sensor 11 (Figure 1) does not contact the walls of the condenser 6 and exchanger 19. Otherwise, the automatic device will assume that the collector is filled with distillate, turn off water heating, and shut the inlet water supply valve off.

10.6. Check that the sensors 23 (Figure 1) and 24 do not contact the walls of the evaporator 2 and equalizer 7. Otherwise, the automatic controller would assume that there was an overflow of water and turn off the water still, and the HIGH-WATER LEVEL LED will be lit.

10.7. To start the water distiller, push the POWER button located on the front panel and this button should be lit. The raw water supply valve will be activated.

10.8. When the evaporator water level reaches a value determined by the bottom sensor, the heaters are activated and the NORMAL WATER LED and HEATERS LED should be lit. In 15 min for the BEAR B 1104 or in 30 min for the BEAR B 1110 and BEAR B 1125, the water still should achieve the operating mode.

10.9. At initial start of the water stills after a long break in the work, and after maintenance work, it is necessary to perform an hour cycle followed by draining water from the evap-orator and collector.

10.10. Distilled water can be discharged continuously into the prepared containers, or use the built-in storage tank. When filling the built-in storage tank, the distillate level sensor 11 is activated (Figure 1), the heating elements are switched off, and the HEATER LED and INLET WATER LED turns off. The FULL RESERVOIR LED lights.

10.11. Upon completion of work, disconnect the water still from the mains, to do this, press the POWER button to 0 position. LEDs will switch off.

10.12. Close the valve for the raw water supply in the water distiller.10.13. In 30 minutes after switching OFF, for cleaning purposes, drain water from the evapo-

ration chamber by opening the drain valve 27 (Figure 2).

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11. First use of the water distiller without built in tank11.1. Disinfect the internal surfaces of water distiller with 3 % solution of hydrogen peroxide

with addition of detergent or similar ready-to-use products for disinfection.11.2. When you first turn on the water still, fill the evaporator pos. 10 with water. To do

this, remove the silicone tube from the equalizer and remove the condenser pos.6 by pulling it up. Next, fill up the evaporator with water until the heating elements do not disappear completely under water. Before filling the evaporator, you must ensure that tap for water draining from the evaporator is CLOSED.

11.3. Fully open the ½” ball valve for supplying raw water to the water distiller, wait until water is flowing out of the cooling water drain pipe pos. 12, to which the cooling water remov-al hose is connected.

11.4. WARNING! Before each use, make sure that the heating elements are com-pletely covered with raw water, otherwise the electric heaters will work in the absence of sufficient water. This will cause an emergency shutdown of the water still due to the electric heater temperature above 130-150 ˚C.

11.5. For recovery of the distiller after heater overheating, wait until the heaters are cooled down, and then push the lock button located on the thermal switch housing. (Pos. 13, Figure 5)

11.6. To start the water still push the POWER button located on the front panel and this but-ton should be lit.

11.7. In 15 min for the BEAR B 1204 or in 30 min for the BEAR B 1210 the water distiller should achieve the operating mode.

11.8. At initial start of the water distillers after a long break in the work, and after maintenance work, it is necessary to perform an hour cycle followed by draining water from the evap-orator and collector.

11.9. Distilled water can be discharged continuously into the prepared containers.11.10. Be careful! Distilled water temperature is 80-90 °C. Make sure that the con-

tainers for the collection of distillate withstand the temperature. If distilled water cooling is required, then you must purchase cooler to be built in the water distiller and that is an option for delivery.

11.11. Upon completion of work, disconnect the water distiller from the mains, to do this, press the POWER button to 0 position. Then the POWER LED should go out.

11.12. Close the valve for the raw water supply in the water distiller

12. Maintenance of the water distiller with built in tank12.1. The routine maintenance during the operation period and periodical maintenance

should be provided for the water distiller.12.2. When performing the maintenance, the personnel should follow the required

safety precautions of this Operating Manual.

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12.3. When performing the maintenance, the water distiller should be disconnected from the mains.

12.4. The routine maintenance during the operation period shall be carried out by staff that uses the distiller, the periodical maintenance shall be performed by qualified personnel (electrician and mechanic). Routine maintenance is an external visual inspection of the unit and removal of dust, dirt, corrosion with a dry clean cloth and inspecting visually the filter located in the valve 25 (Figure 2) for clogging. In case of clogging, rinse it with water.

12.5. After 160 hours of operation (depending on raw water quality) or decreased water distiller performance, the evaporation chamber and electric heaters should be cleaned of scale using a non-destructive method when checking the housing and heating elements.

12.6. Recommendations for cleaning up:12.6.1. Close the valve for the raw water supply to the water still from the water sup-

ply system. 12.6.2. Drain water from the evaporator using the tap 27 (Figure 2) (do not close the

tap after the drain).12.6.3. Remove the upper cover of the water still housing.12.6.4. Remove the evaporator 2 cover (Figure 1).12.6.5. Unscrew 4 attachment nuts of the steam flow splitter 3 (Figure 1).12.6.6. Remove the steam flow splitter 3.12.6.7. Flush with water the walls and bottom of the evaporator to remove salt-con-

taining sediments. You can use the filling hose for supplying raw water from the water supply system: for this, undo the nut of the filling hose from the connection of the solenoid valve 25 (Figure 2), remove the gasket from the nut, turn the tap for supplying raw water.

12.6.8. Close the tap 27 for the drain of waste water from the evaporator (Figure 2).12.6.9. Fill the evaporator with pure water up to the level of Evaporator low water

level sensor (the bottommost sensor)12.6.10. Add citric acid into the evaporator, at a rate of 50 g per liter. The volume of

water in the evaporator is 5 l for the BEAR B 1104, 15 l for the BEAR B 1110, 25 l for the BEAR B 1125. Instead of citric acid solution, you can use other household means intended for descaling. In the application of other means, follow the instructions for the use of these means.

12.6.11. Ensure that the sensors 9, 23, 24 (Figure 1) are fixed firmly and do not con-tact the walls.

12.6.12. Ensure that the valve for the raw water supply from the water supply system is CLOSED.

12.6.13. Place the evaporator cover back.12.6.14. Switch the water still when pushing the POWER button.12.6.15. Bring to a boil and boil for 10 minutes.12.6.16. Switch the water still OFF.12.6.17. In 60 min open the valve 27 (Figure 2) and drain the solution.

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12.6.18. Flush with fresh water the evaporator walls and bottom, evaporator inlet 16 and equalizer 7 (Figure 1)

12.6.19. Close the valve 27 (Figure 2).12.6.20. Fill the evaporator with pure water up to the evaporator low water sensor

(bottommost sensor)12.6.21. Add baking soda (10 g per liter). 12.6.22. In 5 min open the valve 27 (Figure 2) and drain the solution.12.6.23. Finally, rinse with plenty of water. 12.6.24. Close the drain valve 27 (Figure 2) for draining waste water from the evapora-

tor.12.6.25. Install the gasket in the filling hose nut. 12.6.26. Reconnect the filling hose to the fitting 25 (Figure 2), then open the valve for

supplying raw water. 12.6.27. Replace the steam splitter 3 (Figure 1), fulfilling steps 6, 5 in reverse order.12.6.28. Make sure that the sensors 9, 23 (Figure 1) is rigidly fixed and do not contact

the walls. 12.6.29. Assembly the water still performing steps 4, 3 in reverse order.12.6.30. The water still can be used.

12.7. In case of poor quality of raw and, consequently, produced water, must be completely drained from the water still and the inner surfaces of condensation and evaporation chambers should be thoroughly cleaned by flushing with solution of baking soda (10 g per liter) followed by wiping (especially along the contour of bottoms of the evaporator and collector) with a lint-free cloth. It is important to ensure that there are no any foreign objects inside the water still.

12.8. After assembling the water still, perform an hour cycle of normal operation followed by draining water from the evaporator and collector.

12.9. The periodic maintenance shall be performed quarterly (once in 3 months) and includes the works specified in Sections 12.5., 12.6.

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13. Maintenance of the water distiller without built in tank 13.1. The routine maintenance during the operation period and periodical maintenance

should be provided for the water distiller:13.2. Daily check visually the self-cleaning filter for clogging. In the case of contamination,

wash it with water. 13.3. In case of a decrease in water still performance, significant steam emission from the

water still, you should remove salt-contained deposits from the heat exchanger and the orifice of the nozzle 9. To do this, unscrew the ball valve and the water intake pipe 7 (Figure 5), unscrew the nozzle 9, tighten the fitting without nozzle. Start the water distiller for 30 seconds in the working mode, then turn off the water distiller and insert the nozzle in the reverse order having cleaned the nozzle orifice with a bodkin.

13.4. Once a month (or more often if necessary), the evaporation chamber and electric heaters should be cleaned of scale using citric acid solution (50 g per liter). To do this, it is necessary to fill solution into the evaporator. Fill evaporator with water, add cleaning solution for descaling. Close the raw water supply valve. Bring to a boil and boil for 10-20 minutes. Then, after 60 minutes, drain the solution

13.5. Rinse with water and pour the solution of baking soda for 5 minutes (10 g per liter), drain and finally rinse with plenty of water 3-4 times. If necessary, treatment can be repeated.

13.6. In case of poor quality of raw and, consequently, produced water, must be completely drained from the water still and the inner surfaces of condensation and evaporation chambers should be thoroughly cleaned by flushing with solution of baking soda (10 g per liter) followed by wiping (especially along the contour of bottoms of the evaporator and collector) with a lint-free cloth.

14. Transportation14.1. The water distillers should be transported in covered vehicles (railway cars, containers,

covered motor vehicles, holds, etc.), and the containers with the water distillers should be attached securely in order to prevent any possible displacement.

15. Storage15.1. The packaged water distiller should be stored indoors at an ambient temperature of

minus 50˚С up to plus 40˚С and a relative humidity of up to 98 % at +25˚С.15.2. The air in the premises should not contain such impurities as corrosive vapors and

gases.

BEAR | 2017 | page 21

16. Guarantee and service16.1. When used accordingly to operating manual this product has limited warranty for TWO

YEARS. Guarantee, mentioned above is limited for the heaters for 6 months. 16.2. Service & Maintenance of the distillers should be performed by qualified personnel.

Distiller serial number_______________________________

Date (month) of manufacturing _______________________________

Quality control signature _______________________________

Stamp

Contact InfoLocation:

5115 Douglas Fir Road, Suite GCalabasas, California 91302 USAPhone:

(424) 259-0816E-mail:

[email protected]

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