4
INSTALLATION
2. GENERAL INFORMATION
CAUTION:
AWAS:
THIS APPLIANCE MUST BE EARTHED
PERKAKAS INI MESTI DIBUMIKAN
1. All plumbing work should be completed before proceeding to electrical wiring connection. (Table 1)
2. Installation must be carried out by qualified electrician with close reference to this manual and in
compliance with the local regulations.
3. The unit works at minimum water flow rate of 2 liter/min, which would trigger the built-in pump
(only for pump model), boostering a stronger shower spray.
4. The built-in electronic Earth Leakage Circuit Breaker (ELCB) would cut-off the power supply to heater
in the event of current leakage of as low as 15mA.
5. The Thermal Cut-Off would automatically shut off the power supply shall there is any abnormal rise
of showering temperature.
6. The unit only operates when there is sufficient water flow to trigger the flow switch.
7. Electrical loading Table 1:
Recommended Conductor Size (csa)
mm2
3.5
16.0
2.5
7/0.67mm
50/0.25
20
20
4.5
20.5
2.5
7/0.67mm
56/0.30
25
25
5.5
25.0
4.0
7/0.85mm
56/0.30
32
32
6.0
27.3
4.0
7/0.85mm
56/0.30
32
32
6.5
29.6
4.0
7/0.85mm
84/0.30
32
32
7.5
34.1
6.0
7/1.04mm
84/0.30
40
40
8.0
36.4
6.0
7/1.04mm
84/0.30
40
40
3.5
15.2
2.5
7/0.67mm
50/0.25
20
20
5.5
24.0
4.0
7/0.85mm
56/0.30
32
32
6.6
28.7
4.0
7/0.85mm
56/0.30
32
32
8.8
28.3
6.0
7/1.04mm
84/0.30
40
40
3.6
15.0
4.0
7/0.67mm
50/0.25
32
20
3.8
16.3
4.0
7/0.67mm
50/0.25
32
20
4.2
17.5
4.0
7/0.67mm
50/0.25
32
20
7.7
32.1
6.0
7/1.04mm
84/0.30
40
40
9.0
37.5
6.0
7/1.04mm
84/0.30
40
40
Voltage
(Vac)
Power
(kW)
Amperes
(A)
Fuse/MCB
(A)
ON/OFF
Switch (A)
220 –
50/60Hz
230 –
50/60Hz
240 –
50/60Hz
Conduit
Cable
Flexible
Cable
8.
Instantaneous water heater shall be equipped with a 2-pole control switch and own residual current
device.
9.
Water heaters exceeding 3kW shall be permanently connected to a 20A/30A rated circuit breaker/
fuse with an isolator switch and residual current device.