EQJW 125: Heating controller
Technical data
7001029003 A
© Fr. Sauter Ltd.
63
Outputs:
relay output for pump
relay outputs for final control element
3 relays
normally open contact, 230V / 2A / cos
>
0.5 permitted start-up current 7A (max. 1sec)
2
×
normally open contacts, 230V / 0.5A /
cos
> 0.5
Interface:
electrical specification:
interface protocols:
RS485, 2-wire, similar to RS232
Modbus (slave, format Modbus RTU,
connection with control station) or
alternatively, device bus for connection to
other devices
Measuring accuracy
better than
±
0.3 K à 25°C
Time constant for processing measured values approx. 10 sec for TA,
< 5 sec. for TR and TF,
Cycle time
Valve running time/15
Neutral zone
< 1.0 K
Minimum pulse duration
250 msec
Pump after-run time
2
×
Ty
Heating characteristic
Curved, without the influence of extraneous
heat (see SP 17)
Attenuation of outdoor temperature
Time constant approx. 21 hours
Summer/winter heating limit
ON equals summer
winter;
OFF equals winter
summer
On when T
Aged
< T
S/W
– 1 K;
OFF when T
Aged
> T
S/W
T
S/W
can be set via SP 18
Zero-point correction for room temp
up to
±
6 K is possible
Zero-point correction for outside temp.
up to
±
9 K is possible
Tab. 9: Overview of technical data
Содержание Equitherm EQJW 125
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Страница 15: ...EQJW 125 Heating controller Description of the controls 14 7001029003 A Fr Sauter AG ...
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Страница 58: ...EQJW 125 Heating controller Economy tips 7001029003 A Fr Sauter Ltd 57 ...
Страница 60: ...EQJW 125 Heating controller Resistance values for the Ni1000 sensors 7001029003 A Fr Sauter Ltd 59 ...
Страница 62: ...EQJW 125 Heating controller Dimension drawing 7001029003 A Fr Sauter Ltd 61 ...