EWPlus + ECPlus
2/8
EWPlus 961 TERMINALs
3-2 Compressor relay (
)
3-4
230Va
power supply input
10-9 Pb1 probe
10-11 Digital Input 1
N-L
230Va
power supply
TTL TTL input
N
L
2 3 6 7 8 9
10
D.I.1
Pb1
4 5 11
Pb2
(A) (B)
PLUS
971
A
TTL
230Va (±10%)
4.5W
EWPlus 971 TERMINALs
3-2 Compressor relay (
)
3-4
230Va
power supply input
5-6 N.O. Defrost relay (
)
5-7 N.C. Defrost relay (
)
10-8 Pb2 probe
10-9 Pb1 probe
10-11 Digital Input 1
N-L
230Va
power supply
TTL TTL input
1
N
2 3 6 7 8 9
10
(C)
D.I.1
Pb1
4 5 11
Pb2
(A) (B)
A
TTL
PLUS
974
230Va (±10%)
4.5W
EWPlus 974 TERMINALs
3-1 Fans relay (
)
3-2 Compressor relay (
)
3-4
230Va
power supply input
5-6 N.O. Defrost relay (
)
5-7 N.C. Defrost relay (
)
10-8
Pb2 probe
10-9
Pb1 probe
10-11
Digital Input 1
N-L
230Va
power supply
TTL
TTL input
CONNECTIONs
N
L
2 3 9
10
D.I.1
Pb1
4 11
(A)
A
TTL
PLUS
961
230Va (±10%)
4.5W
PASSWORD
Password PA1: used to access “User” parameters. The password is not enabled by default (PA1=0).
To enable it (PA1≠0): press and hold
for longer than 5 seconds, scroll through the parameters using and until you see
the label PS1, press
to display the value, modify it using and , then save it by pressing or .
If enabled, it will be required in order to access the User parameters.
Password PA2: used to access “Installer” parameters. The password is enabled by default (PA2=15).
To modify it (PA2≠15): press and hold
for longer than 5 seconds, scroll through the parameters using and until you
see the label PA2, press
, set the value to “15” using and , then confirm using . Scroll through the folders until you
find the label diS and press
to enter. Scroll through the parameters using and until you see the label PS2, press to
display the value, modify it using
and , then save it by pressing or . The visibility of PA2 is as follows:
1) PA1 & PA2 ≠ 0: Press and hold
for longer than 5 seconds to display PA1 and PA2. It will then be possible to decide whether
to access the “User“ parameters (PA1) or the “Installer“ parameters (PA2).
2) Otherwise: The password PA2 is amongst the level1 parameters. If enabled, it will be required when accessing the Installer
parameters; to enter it, proceed as instructed for password PA1.
NOTE: If the password entered is incorrect, the label PA1/PA2 will be displayed again and the procedure will need to be repeated.
ECPLUS + EWPLUS CONNECTIONS
EWPlus
TTL
ECPlus
EWPlus
L = max. 5m