Emerson Fisher 4194HA - Page 36

Instruction Manual
D200156X012
4194HA, HB, HC Controllers
July 2018
36
Figure 4‐6. Schematic of External Feedback Option
47A0975-A
A3342-1
TO
RESET
BELLOWS
TO
NOZZLE
OUTPUT
RELAY
SUPPLY PRESSURE
EXTERNAL FEEDBACK TO OUTPUT
OF HIGH OR LOW SELECT RELAY
TO PROPORTIONAL
BELLOWS
RESET
VALVE
SUPPLY PRESSURE
OUTPUT PRESSURE
NOZZLE PRESSURE
RESET PRESSURE
SELECT RELAY OUTPUT