CALEFFI Z-one ZVR10 Series Manual page 21

XX Closes for
heat demand
and DHW
demand. Rated
for 120 VAC,
2 amps.
120 VAC input
power connection Multiple ground
connections for
easy wiring.
DHW (ZR/ZC)
Dual labeled
closes only
T-stat terminals.
during priority
Compatible with
call. Rated
2, 3 and 4 wire
for 120 VAC,
T-stats.
2 amps.
Replaceable
120 VAC zone
fuses (2 extra
pump outputs.
included under
cover).
3 wire
Selectable DIP
communications to
switches.
expansion board.
120 VAC primary
pump output.
Power ON LED.
LED for each
zone.
13