Domix 45 - Measuring equipment Doyon - Free user manual and instructions
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| Product type | Water meter with thermostatic mixer |
| Brand | Doyon |
| Model | Domix 45 |
| Power supply | 208-240 V AC or 110-127 V AC, 50/60 Hz |
| Power consumption | 25 VA |
| Installation category | II |
| Operating conditions | Indoor only |
| Ambient temperature range | 5 to 50 °C (40 to 120 °F) |
| Relative humidity range | 0 to 95% |
| Water connections | 1/2" |
| Drain hose | 16 mm food-grade plastic hose with stainless steel curves |
| Max. water inlet temperature | 65 °C (149 °F) |
| Temperature adjustment range | 2 to 60 °C (36 to 140 °F) |
| Temperature accuracy | ± 1 °C |
| Max. inlet pressure | 5 bar (72.5 psi) |
| Min. inlet pressure | 1 bar (14.5 psi) |
| Max. inlet pressure ratio | 1:5 |
| Max. dosage | 999.9 L / 99 lb + 15 oz / 999.9 b |
| Dosage accuracy | ± 1% (min. discharge 5 L) |
| Flow rate at 1 bar and 20 °C | 18 L/min (40 lb/min) |
| Flow rate at 5 bar and 20 °C | 40 L/min (88 lb/min) |
| Internal probe | PT1000 Class A |
| External probe | PT1000 Class A (up to 5 m) |
| Recipe memory | 80 recipes |
| Power supply fuse 230 V | 250 V T250 mA delayed |
| Power supply fuse 115 V | 250 V T630 mA delayed |
| Pump remote control fuse | 250 V F6.3 A |
| Protection rating | IP 42 |
| Main functions | Manual and recipe dosing, free flow, self-diagnosis, temperature memory |
| Maintenance and cleaning | Clean external filter, exterior with soft sponge, solenoid valve diaphragm every 6 months |
| Safety | Fuses, grounding, prohibition of use without assistance by children/disabled persons, do not touch when wet |
| Spare parts | Available, codes in the manual (Table 1) |
| Warranty | 1 year (free repair or replacement of defective parts) |
Frequently Asked Questions - Domix 45 Doyon
How to install Domix 45?
Install the device on a wall at 1350-1550 mm from the floor with two screws and suitable wall plugs. Connect the water inlet pipes (1/2") respecting the pressures (1-5 bar). Thermally insulate the pipes and avoid heat sources. Ensure the electrical supply matches the indicated voltage (208-240 V or 110-127 V) and that the installation is grounded. Provide an external switch.
What to do if the device does not turn on?
Check the power supply fuse (250 V T250 mA delayed for 230 V, T630 mA delayed for 115 V). If the fuse is damaged, cut the power and replace it. Also check for voltage upstream. If the problem persists, the electronic board may be defective and must be replaced by a professional.
How to program a recipe?
Press the P key then enter the program number (e.g., P01). The PROGR indicator lights up. Enter the desired water quantity on the upper display. To also memorize the temperature, press the selection key and adjust the temperature. The recipe is memorized automatically after 10 seconds or by starting a dosing. Numbers below 10 must be preceded by a zero (e.g., 01).
What does the error 'Err.L' mean?
The error Err.L indicates a problem in the liter counting. If water does not come out, check that the shut-off valves are open and that the solenoid valve works. If water comes out with low flow, clean the inlet filter. Also check the liter meter connections. If the problem persists, the liter meter may be defective.
How to clean the filter?
Periodically clean the external filter (double stainless steel mesh) by removing it and rinsing with clean water. Frequency depends on water quality. For maintenance, clean the outside of the device with a soft sponge soaked in soapy water. For stubborn dirt, use alcohol or thinner. Never direct water jets onto the machine.
How to use free flow (P99)?
Enter P99 on the keypad. The upper display shows [FREE]. Press START to start the flow and STOP/C to stop it. The liter meter is disabled, useful in case of damage or for rinsing. To exit, select another recipe.
How to change the water temperature?
In manual mode, after entering the quantity, press the selection key to switch to temperature adjustment. Turn the adjustment handle (14) to adjust the temperature. The display shows the selected temperature. For recipes, the temperature is memorized. Note that Domix 45 does not regulate temperature; it mixes hot and cold water manually via a ball valve.
What to do in case of error 'LEAk E.V.'?
This alarm indicates a water leak from the solenoid valve. Relieve pressure from the hydraulic circuit, cut power, then clean the solenoid valve. If the problem persists, replace the coil or the solenoid valve assembly. The error can be disabled in the installation settings, but it is recommended to fix the cause.
How to change a fuse?
The fuses are located on the electronic board. Always cut off the power before any intervention. For the power supply fuse, use a 250 V T250 mA delayed fuse for 230 V or T630 mA for 115 V. For the pump remote control fuse, use 250 V F6.3 A. Only qualified personnel should replace fuses.
How to recycle the device at end of life?
Do not dispose of the device with household waste. In accordance with European Directive 2002/96/EC (WEEE), return the device to a selective collection center. The packaging (corrugated cardboard, polystyrene) is recyclable. Ask your local authority about collection points for electrical and electronic devices.
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