27
LED illuminates
with call for
heat.
LED illuminates
when end switch
closes.
ZONE #1
priority.
120 VAC
output to
pumps.
System pump
(boiler pump)
status during
priority can be
changed with
jumper.
3 wire
communications
to expansion
board.
Power ON LED.
Dual labeled
T-stat terminals.
Compatible with
2, 3 and 4 wire
T-stats.
Dip switches
120 VAC input
power connection.
Zone valve
end switch
connection.
Zone valve motor
connections.
Transformer
connections.
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.
Содержание Z-one ZSR103
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