26
Värmebaronen EP- 900, -1080, -1200, -1400
External blocking
See 'Ext. STAGE LIMIT' in the Installation menu!
The boiler can be blocked by an external potential-free
contact.
1
2
3
36
External stage control — 0 - 10 V, 0 - 5 V or 4 - 20 mA
See 'Ext. STAGE LIMIT' in the Installation menu!
0-100% of installed power. Installed power is the number of
stages the boiler is permitted to use.
36
1
2
3 GND
0 - 10 Vdc
0 - 5 Vdc
4 -20 mA
External setpoint — 0 - 10 V, 0 - 5 V or 4 - 20 mA
See 'Ext. TEMP. SETPOINT' in the installation menu!
1
2
3 GND
0 - 10 Vdc
0 - 5 Vdc
4 -20 mA
34
0 - 10 V output signal of connected output
0-10 V, equivalent to 0-100% of installed power.
Installed power is the number of stages the boiler is permit-
ted to use.
1
2
3
0 - 10 Vdc
GND
31
0 - 10 V output signal of boiler temperature
0- 10 V is equivalent to 0-170°C.
1
2
3
GND
0 - 10 Vdc
31
Outdoor temperature sensor - boiler with OTC
See Adjustment menu!
The temperature sensor is fitted to an outside wall, at half
the height of the façade, close to a corner, facing north/
north west. The sensor must not be placed where it will be
exposed to the morning sun or close to valves, windows or
doors.
Connection with at least 0.4 mm2 cable up to 30 metres.
The duct is sealed so as to avoid condensation in the sensor
enclosure.
33
1
2
J3
Alternative heating - boiler with OTC
See ”Ext. TEMP. ADJUST” in the Installation menu and
”TEMP.ADJUST” in the Adjustment menu!
The temperature can be changed with the aid of an external
potential-free contact function, protective extra low voltage.
30
1
2
J2
Electrical installation