Description
Multi-zone valve relay and
boiler operating control for
multiple zone hydronic
heating systems.
Interfaces with low voltage
thermostats or any other low
voltage controllers having a
switching action.
Controls from 3 to 6 zones
(model dependent).
System circulator pump and
secondary pump is turned on
whenever any zone calls for
heat.
LED indicators provide
functional status and easy
system troubleshooting.
ZVR series is a perfect match
with Caleffi Z-one™ motorized
zone valves.
Power supply: 120 VAC 50/60
Hz
Transformer voltage: 24 VAC
Max transformer load:
40 VA (ZVR103 and ZVR104)
80 VA (ZVR106)
Electrical switch rating: 20
A max combined
Electrical switch rating
pumps: 120 VAC, 5 A each
Dry contact rating (AUX, XX,
ZONE 1 E/S): 120 VAC, 2 A
each
Resettable fuse: automatic
High capacity 40 VA
transformer standard for 3
and 4 zone models (expandable
to 80 VA)
80 VA transformer standard
for 6 zone control model