Copyright © tekmar Control Systems Ltd. 2000
FUSE
5 AMP
POWER IN
N/O COM N/C
ZONE 3 PUMP
END SWITCH
X X
PUMP END
SWITCH
LED
INDICATORS
VALVE 1
VALVE 2
VALVE 3
POWER
T STAT 1
T STAT 2
T STAT 3
PRIORITY
THERMOSTATS (24 VAC)
R W C
ZONE 3
ZONE 2
ZONE 1
ISOLATED
OFF
ON
THREE ZONE
ZONE VALVE CONTROL
ZVC 403 - 4
24 VAC ZONE VALVES
1 2 3 4
FOUR ZONE
ZVC 404 - 4
ZONE 4
T STAT 4
VALVE 4
ZONE 4 PUMP
ACCESSORY
PORT
CONTROLS
FOUR ZONE EXPANDABLE
ZVC 404-EXP-4
EXPANSION
A B C
MAIN
1 2
NET
SLAVE
MASTER
RESET
NORMAL
POST PURGE
PRIOR. PROTECT
PUMP EXERCISE
30 SEC / 2 WK
4 MIN / 24 HR
FIVE ZONE
ZVC 405 - 4
ZONE 5
ZONE 5 PUMP
VALVE 5
T STAT 5
ZONE 6
SIX ZONE
ZVC 406 – 4
ZONE 6 PUMP
VALVE 6
T STAT 6
SIX ZONE EXPANDABLE
ZVC 406-EXP-4