NA10334 G2
.01
Z-one
™
Relay Multi-Zone Pump Control
ZSR10X series
www.caleffi.com
© Copyright 201
8
Caleffi
Function
The ZSR series is a multi-zone pump and boiler
operating control for multiple zone hydronic heating or
cooling systems. The ZSR series interfaces with low
voltage thermostats, or any other low voltage controllers
having a switching action. The ZSR series controls up
to 3, 4, 5 or 6 heating circulator pumps (depending
on model selected), a primary pump and has LED
indicators to provide functional status and easy system
troubleshooting.
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Compatible with low voltage 2, 3, or 4 wire thermostats
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R, W, C and T T COM dual labeling at thermostat terminals
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Z-oneLink™ unlimited zone expansion
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120 VAC pump outputs
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Remote Enable input 24 - 120 VAC
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Selectable Priority with 1 hour time-out
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Selectable Post Purge and Exercise
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Dry contacts for ZONE 1 (DHW), capable of switching line voltage
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High capacity transformer
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Large terminal connections
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Simplifi ed wiring with extra ground terminals
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Heavy duty sealed relays
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All pumps fuse protected (with spare fuse)
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Front LED Lights
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100% Factory tested with 3 year warranty, ETL Approved
Technical specifications
Materials
Housing plastic:
ABS
Front display lights:
LED
Electrical knockouts:
(12) 1/2" size
Performance
Power supply:
120 VAC, 50/60 Hz
Transformer voltage:
24 VAC
Maximum transformer load:
12 VA (ZSR103/4), 20 VA (ZSR106)
Electrical switch rating pump output:
120 VAC, 5A each (
20A max combined)
Dry contact rating, Zone 1 ES, XX, AUX:
120 VAC max, 2A each
Replaceable fuses:
Type 2AG, 5A slow blow
Working temperature range:
32°F (0°C)—115°F (45°C)
Maximum humidity:
90% non-condensing
Approvals:
Conforms to UL873 / Certifi ed to CSA C22 No 24, listed by ETL
Product Range
Code ZSR
103
Z-one
™
Relay pump control.................................................................three zone
Code ZSR
104
Z-one
™
Relay pump control...................................................................four zone
Code ZSR
106
Z-one
™
Relay pump control.....................................................................six zone
4009064
Certified to CSA C22-2 No.24
Conforms to UL Standard 873
Summary of Contents for Z-one ZSR103
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