sauter Equitherm - Tab. 12: Overview of Technical Data

EQJW145:
Heating controller
Technical
data
96 7010015003 A
© Fr. Sauter AG

relay outputs for final control element
permitted start-up current 7A (max. 1sec)
2 x 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, also possible
via modem), or alternatively, device bus for
connection to other devices. fault signalling
with modem DataMod10 via SMS/fax
Measuring accuracy Better than
±
0.3 K @ 25°C
Time constant for processing measured values
approx. 10 sec for T
A
,
< 5 sec. for T
R
and T
F
Cycle time Valve runtime / 15
Neutral zone < 0.5 K
Minimum pulse duration 250 msec
Pump after-run time 2 x Ty
Heating characteristic Curved, without the influence of extraneous
heat (see SP41)
Summer/winter heating limit

ON equals summer
 
winter.

OFF equals winter

summer

On when TAged < TS/W – 1 K.
OFF when TAged > TS/W

TS/W adjustable
Zero-point correction for room temp up to
±
6 K is possible
Zero-point correction for outside temp. up to
±
9 K is possible
Zero-point correction for return temperature up to
±
9 K is possible
Tab. 12: Overview of technical data