110/
220V
24V
TO
HIGHPRESSURE
PUMP
TO
LOWPRESSURE
PUMP
MO
TOR
ST
ARTER
R1
MO
TOR
ST
ARTER
R2
TRANS
-
FORMER
ST
ARTSWIT
CHS1
PUSHBUTT
ONNO
SELECT
ORSWIT
CHS2
3-POSITION
,MAINT
.
4CONT
ACTS
,NO
T1
HIGHPRESS
.
SWIT
CHS4
NC
LOWPRESS
.
SWIT
CHS5
NO
TANKFULL
SWIT
CHS6
NC
EXTERNAL
MAIN
IN
ELECTRICALDIAGRAM
,CONTROLBO
X
,ECHO
TEC
.PRO-BHLSERIES
,VERSION2008/03
R1
R2
LEFTCONT
ACTS
RIGHTCONT
ACTS