Grundfos Geo-Flo Universal Pump Controller User Manual

10  Rev. 05JUL2016
Wiring the Controller (0-10 VDC Output)


-




24 VAC Input to Power
Controller
(
Note 3
)
24VAC Input Signal
(Note 2)
24VAC Input Signal
(Note 1) 0-10 VDC Output
Grundfos Direct Sensor Inputs
1-10 VDC Input
Earth Ground
Thermistor Inputs
E
Entering
Water Therm (from loop)
Leaving
Water Therm (to loop)
Thermistors Common
4-pin connector from
Grundfos Flow Sensor
on either Entering OR Leaving Water side
R
C
LWT
EWT
OUT IN REF
PWM
HP IN1 HP IN2
LWT EWT C
THERMS
+ -
1-10 DCIN
24VAC IN GND
AUXILIARY
L1 L2 N1 N2
OUT OUT ININ
BRN BLK BLU
C
(Note B)
(Note C)
Signal
(IN)
(Note A)
Magna3
(not used)
NOTES:
A. 

B. -


IMPORTANT:




C. 




Grundfos Geo-Flo Universal Pump Controller Specifications

General

Brand	Grundfos
Model	Geo-Flo Universal Pump Controller
Category	Controller
Language	English