CALEFFI Z-one ZSR10X Series - Page 23

15
120 VAC primary
pump output.
Multiple ground
connections for
easy wiring.
Replaceable
fuses (2 extra
included under
cover).
3 wire
communications to
expansion board.
Power ON LED.
Dual labeled
T-stat terminals.
Compatible with
2, 3 and 4 wire
T-stats.
Selectable DIP
switches.
LED for each
zone.
120 VAC zone
pump outputs.
120 VAC input
power connection
ZONE1 /ES closes
only during a
demand from zone 1.
Rated for
120 VAC
2 Amps.
X X closes on a
demand for heat
from any zone.
Rated for
120 VAC
2 Amps.
AUX closes on a
demand for heat
from any zone.
Rated for
120 VAC
2 Amps.