Connections To Various Main Power Supplies; Advice To Fitters; Replacing The Most Important Components - Diamond Optima Serie Manual Del Usuario

2.4.4

CONNECTIONS TO VARIOUS MAIN POWER SUPPLIES

3N AC 380...415 V 50/60 Hz
Elements 230 V
2N AC 380...415 V 50/60 Hz
Elements 230 V
3AC 220...240 V 50/60 Hz
Elements 230 V
1N AC 220...240 V 50/60 Hz
Elements 230 V
2.4.5

ADVICE TO FITTERS

- Activate the unit according to the use instructions, and explain its operation to the user by consulting the instruction
booklet, illustrating also any manufacturing and/or functional modifications.
Leave the instruction booklet with the user, advising that he/she should refer to it for any future consultation.
3.
The replacements described below should be performed by an "Authorised Assistance Centre" only.
Before carrying out the replacement of components, you should shut off power from the appliance by means of the
omnipolar switch.
A) Switch and thermostat
- remove the cover
- undo the screws fastening the component
- remove the thermostat bulb, sliding it off the bulb holder (for thermostat only)
- disconnect the wires, following the electrical diagram
- change the component and reassemble everything, using the electrical diagram
- install all parts in the reverse order.
B) Resistors
- remove the cover
- remove the spring washer blocking the resistor
- disconnect the wires following the electrical diagram, and keeping the protection wire for last.
- remove the bulbs from their housing
- pull out the heating unit from the tank
- install all parts in the reverse order.

REPLACING THE MOST IMPORTANT COMPONENTS

- 16 -
PE (Earth) yellow - green
N (NP) blue
L 3 (T) black
L 2 (S) black
L 1 (R) brown
PE (Earth) yellow - green
N (NP) blue
L 2 (S) black
L 1 (R) brown
PE (Earth) yellow - green
L 3 (T) blue
L 2 (S) black
L 1 (R) brown
PE (Earth) yellow - greSen
N (NP) blue
L 1 (R) brown
Tab. 3