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Operation and maintenance
NEW EcoHeater
DSEH200301.01.EN
Continuous product development may give rise to specification changes without notice.
4.3 Wiring instructions
Option 1 - Temperature control
external 0-10 VDC (code STA-08)
208
207
221
222
226
225
209
210
224
223
N
L 1
PE
L 3
L 2
1
N
5
3
2
HB1
N
6
4
POWER SUPPLY
3×400V~50Hz
SETPOINT HEATING 0-10V
SIGNAL GND (ACTUAL ZERO)
INTERLOCK FROM
CIRCULATION PUMP
CENTRAL FIRE ALARM, WHERE
FITTED (OPEN CONTACT IN
THE EVENT OF ALARM)
GROUP ALARM
OUTDOOR AIR SENSOR (GT3)
Option 2 - Temperature control
internal radiator curve (code STA-09)
208
207
221
222
226
225
209
210
224
223
N
L 1
PE
L 3
L 2
1
N
5
3
2
HB1
N
6
4
FLOW TEMP SENSOR (GT7)
POWER SUPPLY
3×400V~50Hz
OUTDOOR AIR SENSOR (GT3)
INTERLOCK FROM
CIRCULATION PUMP
GROUP ALARM
CENTRAL FIRE ALARM, WHERE
FITTED (OPEN CONTACT IN
THE EVENT OF ALARM)
Option 3 - Temperature control
of accumulation tanks (code STA-10)
208
207
221
222
226
225
209
210
224
223
N
L 1
PE
L 3
L 2
1
N
5
3
2
HB1
N
6
4
POWER SUPPLY
3×400V~50Hz
OUTDOOR AIR SENSOR (GT3)
INTERLOCK FROM
CIRCULATION PUMP
GROUP ALARM
CENTRAL FIRE ALARM, WHERE
FITTED (OPEN CONTACT IN
THE EVENT OF ALARM)
TEMPERATUR SENSOR
ACCUMULATOR TANK (GT7)
