CALEFFI Z-one ZSR103, Руководство пользователя

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Z-oneLink™ unlimited expansion allows connecting additional ZSR & ZVR
series relay controls to a Master ZSR or ZVR. Communication is accomplished
by connecting three wires (thermostat wire) to the communication terminals
located in the upper right hand corner. The dip switch is positioned to Master /
Slave position. A demand for heat from any zone will fire the boiler and start the
pump. Only one relay board can be the Master and Priority, Slave is used for subsequent boards.
COMMS
D P
Communication terminals
L
PUMP 2
N
L
PRIORITY
PUMP 1
N
L
POWER IN
N
GROUNDS
REMOTE ENABLE
24 - 120 VAC
L N
Large screw terminal connections makes wiring easy. Three extra ground screw terminals
connection allows fast grounding of pumps eliminating the need for extra wire connectors. Pump
terminals have 120 VAC outputs for simplified pump connection.
The Remove Enable feature allows the ZSR to be controlled from an external power source. If the
Remove Enable dip switch is positioned to ON, the ZSR must have 24 - 120 VAC supplied to the
Remote Enable terminals in order for the zone pumps to run. A typical application is to connect
the boiler’s circulator output to the Remote Enable terminals so the zone pumps will not run during
warm weather shutdown. This feature can also be used to hold off the zone pumps if the boiler is
equipped with a DHW pump output.
Pump 1 will be become the Priority pump when the Priority dip switch is positioned to ON.
Wiring terminals