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Service Manual
Series 45 E Frame Open Circuit Pumps
Features
©
Danfoss | September 2016
All manuals and user guides at all-guides.com
Pressure drop across external control valve defines system demand
Cross-section LS control
Spring
Spring
guide
Spool
Plug
Plug
Spring
Spool
Spring
(PC heavy)
guide
LS spool shifts to port system pressure to servo piston
Electric Proportional Controls
TM
Plus+1
Compliance
All Series 45 Electric controls have met and passed the Danfoss PLUS+1
and as such, this Series 45 control is PLUS+1
Danfoss website, within the PLUS+1 Guide section.
Electric Proportional Control Principle
The Electric Proportional Control consists of a proportional solenoid integrated into a Remote Pressure
Compensated control. This control allows the pump to be operated at any pressure limit between the
Load Sense and Pressure Compensation settings by varying the current sent to the solenoid.
Electric On/Off Controls
TM
PLUS+1
Compliance
All Series 45 Electric controls have met and passed the Danfoss PLUS+1
and as such, this Series 45 control is PLUS+1
Danfoss website, within the PLUS+1 Guide section.
LS spring
LS adjusting
plug
PC adjusting
plug
P104 051
®
compliant. PLUS+1
®
compliant. PLUS+1
®
compliance standard testing,
®
compliance blocks are available on the
®
compliance standard testing,
®
compliance blocks are available on the
AX00000024en-US0401 | 15
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