Zone Control Relay
ZSR101 Series
NA10331.01
www.caleffi.com
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8
Caleffi
Function
The ZSR101 single zone switching relay is operated by low
voltage thermostats. The ZSR101 single zone switching
relay incorporates Power In, Relay 1 and Relay 2 connection
terminals to provide a convenient and cost effective way to
control a circulator and a boiler operating control in a single
zone hydronic heating system. The ZSR101 single zone
switching relay saves hours in installation time and provide a
clean and professional installation.
Code
ZSR
101 Z-one™ Relay switching relay .................................................... single zone
Product range
Materials
Housing plastic:
ABS
Front display lights:
LED
Electrical Knockouts:
(6) 1/2" size
Performance
Power Supply:
120 VAC, 50/60 Hz
Transformer Voltage:
24 VAC
Maximum transformer load:
6
VA
Maximum operating temperature:
110°F (43°C)
Maximum Humidity:
90% non-condensing
Electrical Switch Rating:
10A Max Combined
Replaceable Fuses:
Type 2AG, 5A Slow Blow
Approvals:
Certified to CSA C22-2 No.24, Conforms to UL Standard 873
Technical specifications
Features
•
Compatible with low voltage 2, 3, or 4 wire thermostat
•
R, W, C and TT Comm dual labeling at thermostat
terminals
•
120 VAC pump outputs
•
High capacity transformer
•
Large screw terminal connections
•
Simplified wiring with pre-installed jumper
•
Heavy duty sealed relay
•
Relay 1 and Relay 2 connection terminals
•
Fuse protected relays (with spare fuse)
•
Easy to read PC board layout
•
Compact modern design
•
Front LED Lights
•
100% Factory tested with 3 year warranty
•
ETL Approved
Certified to C
5#
C22-2 No.24
Conforms to UL Standard 873
4009064
Summary of Contents for Z-one ZSR101 Series
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