Eliwell EWKPlus 978 - Product Family Capabilities; EWPlus 978 Controller Capabilities; EWKPlus 978 Keyboard Features

EWPlus 978 - EWKPlus 978
7/12
EWPlus 978 are versatile controllers that can handle 2 compressors and 1 or 2 defrosts.
EWPlus 978 controllers have: 4 relay outputs
2 temperature sensors (regulation and evaporator)
1 multifunctional Digital (D.I.1)/Temperature (Pb3) input
1 Digit Input (D.I.2) that can be activated on TTL
The second probe can be used to control the defrost cycle and the evaporator fans.
The 4 relay outputs can be used to control:
• compressor
• defrosting elements
• evaporator fans
• alarms
• AUX output
• stand-by
• condenser fans reversal
• check valve
• evaporator 2 defrost
• compressor 2
The Digital inputs (D.I.1 and D.I.2) can be used for:
• activation
• reduced SET
• AUX management
• door switch
• external alarm
• stand-by
• pressure switch
• deep-cooling
• Energy Saving
• door switch + Energy Saving
DESCRIPTION OF EWPlus 978 FAMILY
EWKPlus 978 are versatile keyboards capable of managing power boards from remote.
EWKPlus 978 keyboards have: 2 temperature sensors (regulation and evaporator)
1 multifunctional Digital (D.I.1)/Temperature (Pb3) input
The second probe can be used to control the defrost cycle and the evaporator fans.
The Digital input (D.I.1) can be used for:
• activation
• reduced SET
• AUX management
• door switch
• external alarm
• stand-by
• pressure switch
• deep-cooling
• Energy Saving
• door switch + Energy Saving
DESCRIPTION OF EWKPlus 978 FAMILY