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Wiring diagrams
Lower el. central - conn. as shown.
1
3
1
3
RESET
RESET
4
4
1
1
2
2
5/4"R
RG 5/4" element
1
3
1
3
RESET
RESET
4
4
1
1
2
2
5/4"R
RG 5/4" element
Selectable effect input/output and temperatures
1. Lower el. central:
2. Effect input:
3. Selectable effect:
4. Standard thermostat: TS2 60-90° adjust to preferred temp. (upper el. central). Recommended min. 65°C to prevent bacterial growth.
5. Lo temp. thermostat: EPC & EPCI: TSL 30-60°C - EPTC and EPTRC: TSL98 30-60°C, for low temp. space heating.
6. Main power supply: Insert mains supply cable through inlet next to el. central. Use a suitable angular strain relief bushing.
7. Upper el. central:
8. Circulation pump:
9. Room temp. controls: 230V-1 ph. to shunt valve thermo motor. Outside temp. sensor can control main central effect with heat pump.
Important:
10.
Must be followed: Units with effect 2 kW or higher must be fitted with an uninterrupted power supply. The unit must be connec-
ted to a double pole circuit breaker as specified in local regulations. This can be facilitated by using a suitable circuit breaker in
accordance with IEC/EN 60898. When connecting both lower electric centrals (EPCI & EPTC) an external junction box must
be used.
All power supply cables must be fitted with a suitable strain relief bushing.
If power supply cables could get in contact with the water heater inner vessel the wire(s) must have a heat resistant line protector
or be of a quality with a rating higher than 100°C.
14
(authorized electrician only)
Red text: - EPC & EPTRC
3 kW
230V 1-ph.
1
2,5 kW
RESET
230V 1-ph.
1
Not in use
2
Use as middle
conductor for
400V 1-phase
El inn
5/4"R
RG 5/4" element
9 kW
230V 3-ph.
1
7,5 kW
RESET
230V 3-ph.
1
2
El inn
5/4"R
Std. setup
from factory
RG 5/4" element
EPC and EPTRC: 9 kW, 230V 3 ph. EPCI and EPTC: 2x7,5 kW 230V. 3 ph. internally conn. from factory
400V 3 phase - connect as shown above (lower el. central only).
EPC & EPTRC: 3, 6 or 9 kW in lower el. central by removing/moving jumpers, wiring options as shown above.
EPC HT, EPCI & EPTC: 2,5, 5, 7,5, 10, 12,5 or 15 kW effect selectable by following wiring options above.
3kW, 230V - 1 ph. 1 tube element. Thermostat 60-90°C. Factory set at 75°C. Important: Water in before power on.
230V-1 ph. Insert power cable into slot in pump. Engine failsafe switch not required. Important: Water in before power on.
Water in before power on. Tighten all el. connections. Repeat after 3 months, then annually.
Forandringer forbeholdes / Subject to change without notice
-
Blue text: EPC HT, EPCI & EPTC
6 kW
230V 1-ph.
3
1
3
RESET
4
4
1
Cables
supplied
separately
2
Use as middle
conductor for
400V 1-phase
El inn
9 kW
400V 3-ph.
3
1
3
7,5 kW
RESET
400V 3-ph.
4
4
1
2
El inn
(fitted with 2 identical lower el. centrals)
230V 1-ph.
1
3
1
3
RESET
RESET
4
4
1
1
2
2
Use as middle
conductor for
400V 1-phase
5/4"R
RG 5/4" element
Upper el. central
1
3
3 kW 230V 1-ph.
L
N
RESET
2
4
TS2
1
2
Applies for
upper central
+
÷
on all models.
Power supply
RG 5/4"
3 kW
element
-
Water in before power on!
5 kW
Not in use
El inn
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