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F = Functions
H = Inputs and Outputs
R = Relay Output
EWPlus 978 - EWKPlus 978
AP1 AP2 AP3
F - End of defrost due to timeout X X X
T - End of defrost due to temperature X X X
F - Pb1 alarm X X X
F - Pb3 alarm (Evaporator 2) X X
H - Pb1 present X X X
H - Pb2 present X X X
H - Pb3 / D.I.1 enabled Pb3 Pb3
R - Compressor X X X
R - Defrost X X
R - Evaporator 2 defrost X X
R - Fans X
R - Alarm X (2)
R - AUX X X
RESET PROCEDURE
EWPlus 978 and EWKPlus 978 instruments can be RESET and the default factory settings restored in a simple and user-friendly way.
Simply reload one of the basic applications by following the procedure described in the paragraph "Loading default applications".
You may need to RESET the instrument in special circumstances in which the normal operation of the instrument is compromised or if
you decide to restore the instrument to its default configuration (e.g. AP1 values).
!
IMPORTANT!: This operation resets the instrument to its initial state, returning all the parameters to their default
factory values. This means that all changes made to operating parameters will be lost.
PLUS
978
Supply
4.0W
D.I.1
Pb1
Pb2
Pb3
EWKPlus 978 TERMINALS
N-L
Supply voltage 115Va or 230Va
8-10 Probe Pb2
3-4
Power input 115Va or 230Va (Supply)
9-10 Probe Pb1
TTL TTL Input 11-10
D.I.1 (H11≠0 and H43=n) or Probe Pb3 (H11=0 and H43=y)
EWKPlus 978 CONNECTIONS
LOADING DEFAULT APPLICATIONS
The procedure for loading one of the default applications is:
• at power-on of the device, keep the
set
key pressed: the label “AP1” will appear;
• browse the various applications (AP1-AP2-AP3) using the and keys;
• select the desired application using the
set
key (“AP3” in the example) or cancel the procedure by pressing the key;
alternatively wait for the timeout;
• if the operation is successful, the display will show "y", if not it will show "n";
• after a few seconds the instrument will return to the main display.
set
Power-on +
set
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