Perfect 9000 - Chauffe-eau instantané et chauffe-eau Wijas - Kostenlose Bedienungsanleitung

BEDIENUNGSANLEITUNG Perfect 9000 Wijas

WIJAS S.J.

ASSEMBLY AND OPERATION MANUAL

Pressurized water flow heater

PERFECT 7000, 8000, 9000

Advantages of pressurized water flow heaters "PERFECT":

■ Significant electric power saving comparing to a boiler
- Instant and permanent warm water delivery
Electronic power switch prolongs significantly heater's life
■ Possibility to use the heater with very low water pressure (ca 0,06 MPa)
- Thanks to installed electronic control system the most unreliable mechanical parts such as membrane, traditional electrical contacts are eliminated. Significant prolongation of the appliance life and improved reliability is reached in result.

1. Application

Pressurized water flow heater PERFECT is designed for instant delivery of warm water to sanitary equipment such as wash basins, sinks. In order to economical use the heater should be installed as close as possible to the served equipment.

This appliance is fully designed to be used in moisture environment. However splashing with water is prohibited. Maximum delivered water temperature should not exceed 30^ C.

One should remember that heater output depends on:

• it electric power;
  ■ water stream flowing through the appliance. The bigger flow, the lower water temperature on exit (table 1);
• voltage drop in electrical system. For instance: voltage drop by 10% results in lowering heat output by 19% (table 2). Voltage drop below 340 V causes blockage of appliance power switch by electronic system;
  ■ delivered water temperature.

Supplied water temperature 15°C

Water flow [l/min]	2,5 3 3,5 4 4,5
Perfect 7000 [	°C] 55 48 43 40 37
Perfect 8000 [	°C] 60 53 47 43 40
Perfect 9000 [	°C] - 57 51 46 43

Table 1

Heater power depending on voltage in electric system

Voltage [V] 400	390	380	370	360
Perfect 7000 [W]	7000	6650	6300	5989	5670
Perfect 8000 [W]	8000	7600	7200	6800	6480
Perfect 9000 [W]	9000	8550	8100	7650	7290

Table 2

CAUTION!

Power must be switched off before starting any work over installation, opening cover or incline the installed heater!

The heater can only work in position showed on drawing No 1 below. Starting the device in position other than proper one will result in damaging a heating element and deprivation of guarantee.

Pure electrical circuit lines without any symbols

GOOD

Pure electrical circuit lines without any symbols

WRONG

Pure mechanical linkage diagram without any text, numbers, or symbols

WRONG

Pure electrical circuit lines without any symbols

WRONG
Fig.1

2. Safety regulations

■ Heater can only be installed by authorized person
- Heater must permanently be connected to electrical system equipped with earthing connector and differential switch
■ Heater can only work in position presented on drawing 1
- Do not exchange earthing wire with live wire
■ Heater can only work using perfectly working safety devices
■ Heater must not be installed in rooms where temperature drops below 0^ C
■ Appliance should not be installed in aggressive or danger of explosion environment

■ Heater can only be used when in perfect technical condition
- Water and power supply must immediately be shut off in case of heater's failure
- All service and maintenance works can only be completed with power switched off
■ Only original spare parts can be used for repair
- Heater's cover must not be taken away while power is on
- Avoid electronic system to be splashed with water
In case of heater's defect or improper work switch off power and shut off water supply using stopping – suppressing valve
- Sprinkler (strainer) on water tap drain tube end should be cleaned regularly
- Check regularly power supply system (voltage drop) including connection to the main
- Water flow should be suppressed in such manner as to fill comfortable water temperature (water should not to be to hot – beware children!)
■ This appliance should not be used by mentally disabled persons (as well as children) without supervision
- Do not allow children use or play with heater independently

3. Wiring system

■ The heater can only be used previously connected to earthing system.
- Wiring system should be equipped with differential switch.
■ Minimum wire cross section and fuse value should be found according to table 3.
- Check state of wiring system and particularly terminals before heater installation.
■ Measure voltage drop under load after connecting heater to wiring system.

L1 L2 PE Fuse L1 L2 HEATER ± PE

Fig. 2

Typ	Perfect 7000	Perfect 8000	Perfect 9000
Minimum wire cross section [mm2]	2,5 2,5	2,5
Recommended fuse [A] 17,5 20 22,5

Table 3

4. Water system

graph LR
    A["HEATER"] --> B["water filter"]
    B --> C["stop – suppressing valve"]
    C --> D["stop valve"]
    E["Warm Water"] --> A
    F["Cold water"] --> E

5. Fitting

CAUTION!

The device can only work in position showed on drawing No 1.

Trying to start the device in position other than proper one or without water filter will result in damaging heating element and deprivation of guarantee.

Do not screw connecting hoses using high power in order to avoid thread damage.

Do not seal stub pipe thread with tow or Teflon™ sealing tape.

Save electronic system against water splashing.

1. Apply pattern on place the heater will be installed. Mark places for drilling holes for anchoring pegs and cable.

Cable can be connected to the heater by opening in rear wall or by braking thin plastic part under housing (fig. 3 and 4).

L1 L2 screws fixing heater to a wall opening for cable

Fig. 3

remove with knife screws fixing heater to a wall

Fig. 4

1. Screw heater on a wall.
2. Connect heater in a way showed on fig. 6. Remember to fit water filter as showed on fig. 5. Use flexible hoses designed for pressurized system with rubber gasket. Do not exchange heater outlet (red colour) with intake (blue colour).

CAUTION! Do not screw hose nuts too tight in order to avoid thread damage at heater's pipes ends. Water filter removal results in guarantee deprivation. Filter must be installed according to figure 5.

GOOD WRONG

Fig. 5

Fig. 6

sprinkler (strainer) delivered with tap flexible hoses 3/8" with rubber gaskets reducer 1/2" for 3/8" With rubber gasket flexible hoses 1/2" with rubber gaskets reduction pipe 1/2" for 3/8" T-pipe with internal thread 1/2" double threaded pipe 1/2" (nipple) elbow 1/2" suppressing – shutting off valve Fig. 6

Heater connection to tap assembly with hoses 3/8"

sprinkler (strainer) delivered with tap flexible hoses 1/2" with rubber gaskets double threaded pipe 1/2" (nipple) T-pipe with internal thread 1/2" double threaded pipe 1/2" elbow 1/2" suppressing – shutting off valve

Heater connection to tap assembly with hoses 1/2"

1. Open water valve and check connections tightness. In case electronic system is splashed with water remove it immediately blowing with compressed air.
2. Open full water flow in order to remove air plug from heating element.
3. Connect heater to the mains supply.

Terminal stripe L1, L2 - live wires - protecting wire

Fig. 7

Caution!

Please check whether blue and red gaskets of pipes ends are properly fit to the heater's casing after fixing it on heater.

1. Change water strainer for the one delivered with heater
2. Adjust heater according to chapter 6.
3. Remember to clean strainer periodically.

6. Adjustment

Caution!

Water temperature delivered by heater depends on water flow. The higher flow, the lower temperature.

Too high water temperature can cause thermal protection device to stop heater work.

Unlock by pressing thermal protection button.

1. Open warm water tap.
2. Reduce water flow with care using suppressing – shutting off valve in order to reach water temperature ca 42°C.

7. Water filter cleaning

1. Turn off water inflow to suppressing – shutting off valve and disconnect from power supply.
2. Disconnect flexible hose from heater intake.
3. Take out filter (using small screw driver) – see fig. 8.

water filter

Fig. 8

1. Remove dirt from filter.
2. Install filter into heater intake with basket bottom down (Fig. 9)

Cross-sectional diagram of a mechanical component with no visible text or symbols

GOOD

Cross-sectional diagram of a mechanical or structural component with diagonal and horizontal lines (no text or symbols)

WRONG
Fig. 9

1. Connect flexible hose to the heater.
2. Open water valve and check tightness.
3. Check electronic system whether is not splashed with water before power switching on – if so, blow it up with compressed air to remove water from electronic circuit board.
4. Adjust according to chapter 6.

8. Cleaning sprinkler (strainer) of drain tube

1. Unscrew sprinkler from drain tube.
2. Unscrew bolt from sprinkler.
3. Push out rings from sprinkler.
4. Clean up rings ducts.
5. Reinstall sprinkler

9. Defects and troubleshooting

Water flow too low

– blocked water filter (clean it out according to chapter 7)

Heater does not start

– heater inlet exchanged with outlet
– water flow suppressed too much
– blocked water filter (clean it out according to chapter 7).
– water pressure too low
– lack of power because of blown fuse.

Heater does not warm up water but control lamp lights

– voltage too low (power supplying installation overloaded)
– temperature of entering water too low
– water flow too high (adjust water flow according to chapter 6)

Water temperature on heater exit to low

– water flow too high (adjust water flow according to chapter 6)
– temperature of entering water too low
– high voltage drop (see chapter 1, table 3)

Water temperature on heater exit too high

• water flow suppressed too much by control valve (adjust water flow chapter 6)
  – blocked water filter (clean it out according to chapter 7)
  – water pressure in water system too low

Heater is switching on and out automatically

– water pressure oscillation in water system
— water flow suppressed too much by shut off - suppressing valve

Stepwise changes of water temperature on exit

– current oscillation in power supply system
– changes of water flow in result of pressure changes in water system

10. Technical data

Typ	Perfect 7000	Perfect 8000	Perfect 9000
Power [kW]	7 8 9
Current intensity [A]	17,5 20	22,5
Voltage [V]	400 400	400
Minimum water flow to switch heater on [l/min]	2,1 2,4	2,8
Maximum water pressure [MPa] 0,65 0,65	0,65
Splash proofing class	IP24 IP24 IP24
Minimum water resistivity at 15°C	1300 1300 1300

11. Outfit

1. Heater 1 pc
2. Shutting off – suppressing ball valve 1 pc
3. Water filter 1 pc
4. Self - blocking peg ∅6 2 pcs
5. Pattern to drill holes 1 pc
6. Sprinkler (strainer) 1 pc