3
INDEX
Z-one Relay thermostat connections
Thermostat wiring ........................................................................................................................................................................... 4
Zone valve wiring to ZVR series ....................................................................................................................................................... 5
ZSR101 - single zone relay
Product overview ............................................................................................................................................................................ 6
Operation and cover removal ........................................................................................................................................................................7
A1 - Single thermostat ...................................................................................................................................................................................8
A2 - Multiple thermostats ...................................................................................................................................................................10
A3 - Single master thermostat, with TRVs, variable speed pump .................................................................................................... 12
ZSR103, ZSR104 & ZSR106 - multi-zone pump relay
Product overview ........................................................................................................................................................................... 14
Circuit board .................................................................................................................................................................................. 15
Cover removal ................................................................................................................................................................................ 16
Product details ............................................................................................................................................................................... 17
B1 - Mod/Con boiler, hydro separator or buffer tank, zone pumps ................................................................................................. 18
B2 - Traditional boiler, indirect DHW w/ priority, zone pumps .......................................................................................................... 20
B3 - Mod/Con boiler, primary loop, closely spaced tees, zone pumps ............................................................................................ 22
B4 - Mod/Con boiler, hydro separator or buffer tank, zone pumps with remote enable ................................................................... 24
ZVR103, ZVR104 & ZVR106 - multi-zone valve control
Product overview ........................................................................................................................................................................... 26
Circuit board .................................................................................................................................................................................. 27
Cover removal, Transformer Installation .................................................................................................................................................28
Product details ............................................................................................................................................................................... 29
C1 - Mod/Con boiler, hydro separator, zone valves ........................................................................................................................ 30
C2 - Mod/Con boiler, indirect DHW on primary side of hydro sep, zone valves ............................................................................... 32
C3 - Mod/Con boiler, indirect DHW on load side of hydro sep, zone valves .................................................................................... 34
C4 - Mod/Con boiler, indirect DHW on primary side of hydro sep, master and slave control ........................................................... 36
C5 - Traditional boiler, indirect DHW (no priority) with valve ............................................................................................................. 38
C6 - Traditional boiler with reset control, priority indirect DHW with valve ........................................................................................ 40
C7 - Mod/Con boiler, hydro separator, zone valve (more than 6), multiple secondary pumps .......................................................... 42
C8 - Mod/Con boiler, indirect DHW on primary side of hydro sep, zone valves with ECM pump enabling ....................................... 44
C9 - Mod/Con boiler, hydro separator, zone 1 low temp, 2 - 6 high temp zone valves .................................................................... 46
Caleffi shall not be liable for damages resulting from misapplication or misuse of it products.
Summary of Contents for Z-one ZSR103
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