Product Overview

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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.
Power Supply: 120 VAC, 50/60 Hz
Transformer Voltage: 24 VAC
Maximum transformer load: 12 VA
Switch Rating: 10A Max Combined
Replaceable Fuses: Type 2AG, 5A
Code Description Lbs USD
ZSR101 Single zone relay 1.1 160.00
ZSR101
The ZSR series is multi-zone pump and boiler operating control for multiple
zone hydronic heating 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. In addition, a
primary pump system circulator is switched on whenever any zone calls
for heat.
Power supply: 120 VAC, 50/60 Hz
Transformer voltage: 24 VAC
Maximum transformer load: 12 VA (ZSR103/4), 20 VA (ZSR106)
Electrical switch rating: 20A max combined
Electrical switch rating pump output: 120 VAC, 5A each
Dry contact rating, ZR/ZC, DHW, XX: 120 VAC max, 2A each
Replaceable fuses: Type 2AG, 5A slow blow
tech. broch. 01284
Code Description Lbs USD
ZSR103 3 zone pump control 3.2 375.00
ZSR104 4 zone pump control 3.2 440.00
ZSR106 6 zone pump control 3.2 540.00
ZSR
4009064
Certified to CSA C22-2 No.24
Conforms to UL Standard 873
ZONE SWITCHIN& RELAY
Code Description Lbs USD
NA10342 Spare fuse (package of 5) 0.1 15.00
Z-ONE RELAY FUSES
6 Zone
T-STAT 2
C
R
W
TTCOM
COMMS
D
P
DHW
ZR/ZC
XX
T-STAT 3
C
R
W
TTCOM
T-STAT 1
C
R
W
TTCOM
L
PUMP 2
N
PRIMARY
PUMP
L
PRIORITY
PUMP 1
N
L
POWER IN
N
GROUNDS
L
PUMP 3
N
TRANSFORMER
L
N
T-STAT 4
C
R
W
TTCOM
L
PUMP 4
N
L
PUMP 5
N
L
PUMP 6
N
T-STAT 5
C
R
W
TTCOM
T-STAT 6
C
R
W
TTCOM
PWR
ZONE1
ZONE2
ZONE3
ZONE4
ZONE5
ZONE6
DipSwitches
Master Slave
Priority OFF
Priority ON
Primary OFF
Primary ON
Exercise OFF
Exercise ON
Post Purge OFF
Post Purge ON
ZSR106
LNG
C1
C2
C3
C4
C5
C6
DHW
aquastat
space heating thermostats
tech. broch. 01285
Illustrative wiring diagram, consult wiring guide for additional wiring diagrams.
4009064
Certified to CSA C22-2 No.24
Conforms to UL Standard 873