P
UMP OR VALVE ZONING OF WATER BOILERS
COMBINATION CONTROLS WITH T TV Z TERMINALS*
16
Sentr y
Pump Zoning system using R845A Relay.
One R845A needed for each circulator.
NOTE: Pumps are powered from C1 . Total
pump load must not exceed 7.4 amp rating of
combination control pump switch.
Zone valve zoning system using Honeywell V8043F zone valves.
Pump zoning system using R8230C Relays.
*For zoning diagrams, combination controls without T TV Z terminals and non-combination control systems, consult Slant/Fin Zoning Tech.Bulletin.
NOTE: Pumps are powered from C1 . Total pump load must not exceed 7.4 amp rating of combination control pump switch.