Xylem EHR IM Electrical heater series EHR (obsolete) - Manual (Page 6)

Adding room thermostat
RTS;
Mains connection on
terminals L and N. Ground
connection on the ground
terminal on the brass
body.Remove jumper wire
between terminals 5 and 6
of the EHR terminals and
connect those to room
thermostat connections 1
and 3.
Adding timer thermostat
RTU;
Mains connection on
terminals L and N. Ground
connection on the ground
terminal on the brass
body.Remove jumper wire
between terminals 5 and 6
of the EHR terminals and
connect those to timer
thermostat connections.
Standard:
Mains connection on
terminals L and N. Ground
connection on the ground
terminal on the brass body.
Leave the jumper wire
between terminals 5 and 6
in place
L
,N
-2
3
0
V
~
/5
0
H
z
6.) Connection diagram EHR2KR(S)
3 4
Pump
6 5
L
,N
-2
3
0
V
~
/5
0
H
z
3 4
Pump
6 5
L
,N
-2
3
0
V
~
/5
0
H
z
3 4
Pump
6 5
1 3
Timer
Laing RTU
Jumper for automatic
pump shut-off
Jumper for automatic
pump shut-off
Jumper for automatic
pump shut-off
Rroom-thermostat
Laing RTS
6
L 1 L 2
L
1
L
2
L 1 L 2