Operation Procedure - Royal WH Series Manual

7.1. Commissioning
7.1.1. Before connect the appliance to power source, fill the tank up with mains water. To do this,
turn on hot water mixer tap and then tap of cold water supplied to the water heater.
7.1.2. Once the water heater is full, the water will flow from the mixer tap. Check the flange for
leakages. Center it and tighten the nuts if necessary.
7.1.3. Turn the hot water tap on the mixer off.
7.1.4. Connect the appliance to power source.
7.1.5. To turn on the water heater in models equipped with a switch (Fig. 3, a) it is necessary to turn
the "POWER" knob to the "ON" position. In models equipped with only the adjustment knob
(Fig. 3, b) when the plug is connected to the socket, the indicator "ON" lamp in the central part of
the control panel.
а)
OFF
Fig. 3 Control panel knobs of the water heater: a) «WH» models, b) «TT WH» models
7.2. Temperature control
7.2.1. In models equipped with external control (Fig. 3), water temperature can be controlled by a
handle connected to the thermostat in accordance with marks.
7.2.2. The temperature is set by using the regulation knob (Fig. 3, a) "TEMP") clockwise to increase
the temperature of heating and counterclockwise to decrease it.
7.2.3. The indicator lamp (Fig. 3, "HEATING") is constantly lighting during heating phase and turns off
after reaching the set temperature.
7.2.4. It is recommended to install the controller in a position "Fig. 3, a) E and Fig. 3, b) ECO"
corresponding approximately to 75% of the maximal value. In this case, the appliance is operated in
economy mode significantly reducing the rate of scale formation.
7.3. Table 3 shows the average hot water consumption for model selection of the water heater,
based on the number of people and water intake points.
Number of hot
water consumers
28

7. OPERATION PROCEDURE

POWER TEMP
HEATING
ON
ON
LOW
Number of
people using
hot water one
after another
1
2
3
4
5
HIGH
OFF
Number of hot water
intake points in
house
HEATING
b)
ON
Water volume, liters
Minimum
30 l
50 l
80 l
100 l
120 l
Table 3
Avarage
50 l
80 l
100 l
120 l
150 l