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  SAFETY INSTRUCTION

This safety alert symbol will be used in this manual to draw attention to safety 

related instructions. When used, the safety alert symbol means 

ATTENTION! 

BECOME ALERT! YOUR SAFETY IS INVOLVED! FAILURE TO FOLLOW 

THESE INSTRUCTIONS MAY RESULT IN A SAFETY HAZARD.

CAUTION: 

All work must be performed by qualified personnel trained in the 

proper application, installation, and maintenance of systems in accordance 

with all applicable codes and ordinances.

CAUTION: 

Electrical  shock hazard. Disconnect power before installation to 

prevent electrical shock or equipment damage. Make sure all connections 

are in accordance with the electrical wiring diagram and in accordance with 

national and local electrical codes.

WARNING: 

Avoid electrical noise interference. Do not install near large 

conductors, electrical machinery, or welding equipment. Avoid locations 

where excessive moisture, corrosive fumes, vibration, or explosive vapors are 

present.

Caleffi shall not be liable for damages resulting from misapplication or misuse of it products.

Dimensions

ZSR106

Six switching relays - Input: 120VAC 50/60Hz 20A MAX

 

Conforms 

to UL 873

4009064

CAUTION

: 

RISK OF ELECTRIC SHOCK - DISCONNECT ALL 

INPUT POWER PRIOR TO SERVICING

Milwaukee, WI 53208 USA

POWER

ZONE 1

ZONE 2

ZONE 3

ZONE 4

ZONE 5

ZONE 6

PUMP

ON

Code

Zones

A

B

C

Wgt. (lbs)

ZSR103

3

1/4

"

11

"

3

"

3.2

ZSR104

4

1/4

"

11

"

3

"

3.2

ZSR106

6

1/4

"

11

"

3

"

3.2

A

B

C

C

Summary of Contents for Z-one ZSR10 Series

Page 1: ...ercise Dry contacts for DHW ZR ZC capable of switching line voltage High capacity transformer Large terminal connections Simplified wiring with extra ground terminals Heavy duty sealed relays Fuse pro...

Page 2: ...nnections are in accordance with the electrical wiring diagram and in accordance with national and local electrical codes WARNING Avoid electrical noise interference Do not install near large conducto...

Page 3: ...ON the primary pump will continue to operate during priority Exercise OFF Exercise ON When exercise mode is ON each circulator is switched on for 30 seconds following 72 hours of inactivity Post Purge...

Page 4: ...duct with functional one Mounting Mount the Caleffi Z one switching relay box to a suitable surface Slotted holes are provided for mounting purposes Do not mount to a surface that exceeds 115 F 45 C T...

Page 5: ...r removal Hold either the left or the right end of the box up and at an angle Use body for stabilizing relay box Insert screwdriver and push tabs inward cover should release from base Roll cover off b...

Page 6: ...N L PUMP 5 N L PUMP 6 N THM 5 C R W T T COM THM 6 C R W T T COM PWR ZONE1 ZONE2 ZONE3 ZONE4 ZONE5 ZONE6 DipSwitches Master Slave Priority OFF Priority ON Primary OFF Primary ON Exercise OFF Exercise O...

Page 7: ...5 C R W T T COM THM 6 C R W T T COM 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...

Page 8: ...6 Zone Z6P THM 2 C R W T T COM COMMS D P DHW ZR ZC X X THM 3 C R W T T COM THM 1 C R W T T COM L PUMP 2 N PRIMARY PUMP L PRIORITY PUMP 1 N L POWER IN N GROUNDS L PUMP 3 N TRANSFORMER 12 20VA L N THM...

Page 9: ...along with a primary pump can be operated Zone priority is selectable with 1 hour time out feature Other features include pump exercising selectable post purge and 3 pump ground terminals for simpli...

Page 10: ...20 ZVR103 ZVR104 ZVR106 multi zone valve control Product overview 22 Circuit board 23 Cover removal Transformer Installation 24 Product details 25 C1 Mod Con boiler hydro separator zone valves 26 C2 M...

Page 11: ...UMP 5 N L PUMP 6 N THM 5 C R W T T COM THM 6 C R W T T COM PWR ZONE1 ZONE2 ZONE3 ZONE4 ZONE5 ZONE6 DipSwitches Master Slave Priority OFF Priority ON Primary OFF Primary ON Exercise OFF Exercise ON Pos...

Page 12: ...0 VAC pump with boiler enable or two devices without boiler enable 5 A capacity each relay 10 A total Rear knock outs for mounting onto 4 x4 junction box High capacity 6VA transformer Simpli ed wiring...

Page 13: ...p connection Dual labeled T stat terminals Compatible with 2 3 and 4 wire T stats Replaceable fuses 6 VA Transformer Keyhole mounting which fits a 4X4 junction box Pre installed jumper Rear knockout f...

Page 14: ...om power zone transformer N L L RELAY 1 C N O N C C N O N C RELAY 2 Calef single zone relay L N A1 Single thermostat Hydronic diagram is for illustration purposes only some components have been remove...

Page 15: ...ied and opens RW TT The relay contacts return to their normal position common to normally closed The zone LED turns off Description of terminals Ground N Neutral Common leg of 120 VAC L Line live leg...

Page 16: ...N C C N O N C RELAY 2 Calef single zone relay 4 wire zone valve 4 wire zone valve 4 wire zone valve R W 24 VAC T T R W R W End switch wires L N A2 Multiple thermostats Hydronic diagram is for illustr...

Page 17: ...LED illuminates When the last of the T stats is satisfied the corresponding zone valves closes which opens the end switch contacts The relay contacts return to their normal position turning off power...

Page 18: ...V R W C T T com power zone transformer N L L RELAY 1 C N O N C C N O N C RELAY 2 Calef single zone relay T T L N A3 Single master thermostat panel radiators with TRVs variable speed pump Hydronic diag...

Page 19: ...side air reset curve As long as the master thermostat is calling the boiler will maintain the buffer tank to the target temperature The thermostatic radiator valves modulate the flow through the panel...

Page 20: ...ure Selectable post purge and exercise Dry contacts for DHW ZR ZC capable of switching line voltage High capacity transformer Large terminal connections Simplified wiring with extra ground terminals H...

Page 21: ...ions to expansion board Power ON LED Dual labeled T stat terminals Compatible with 2 3 and 4 wire T stats DHW ZR ZC closes only during priority call Rated for 120 VAC 2 amps Selectable DIP switches XX...

Page 22: ...release from base Roll cover off base Mounting Do not mount to a surface that exceeds 115 F 45 C The unit must be only located in dry interior locations Use only copper conductor supply wire suitable...

Page 23: ...M T STAT 6 C R W T T COM 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 Z...

Page 24: ...P 6 N T STAT 5 C R W T T COM T STAT 6 C R W T T COM PWR ZONE1 ZONE2 ZONE3 ZONE4 ZONE5 ZONE6 DipSwitches Master Slave Priority OFF Priority ON Primary OFF Primary ON Exercise OFF Exercise ON Post Purge...

Page 25: ...ing priority Typically connected to TT on boiler control DHW ZR ZC Dry contacts rated up to 120 VAC 2 Amps Closes only when priority is enabled and calling Typically used to close ZR ZC 120 VAC or DHW...

Page 26: ...R W T T COM 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 DHW aquastat T T ZR...

Page 27: ...ll of the zone pumps DHW Time Out Freeze Prevention Feature After one hour of a priority demand the control will open the DHW contacts and turn off power to the DHW pump If a heating demand is present...

Page 28: ...N T STAT 5 C R W T T COM T STAT 6 C R W T T COM 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...

Page 29: ...C 2 Amps Closes when any zone calls including priority Typically connected to TT on boiler control DHW ZR ZC Dry contacts rated up to 120 VAC 2 Amps Closes only when priority is enabled and calling Ty...

Page 30: ...contacts for DHW ZR ZC capable of switching line voltage Large terminal connections High capacity 40 VA transformer standard for 3 and 4 zone models expandable to 80 VA and 80 VA for the 6 zone model...

Page 31: ...wire communications to expansion board Power ON LED Dual labeled T stat terminals Compatible with 2 3 and 4 wire T stats DHW ZR ZC closes only during priority call Rated for 120 VAC 2 amps Master Sla...

Page 32: ...ttom latch Snap top of transformer into latch arms Feed wiring through hole near the top of the transformer and insert transformer plug into the socket Repeat process for 2nd transformer if using six...

Page 33: ...C R W T T COM D DHW ZR ZC X X T STAT 3 C R W T T COM T STAT 1 C R W T T COM T STAT 4 C R W T T COM T STAT 5 C R W T T COM T STAT 6 C R W T T COM 6 Zone ZVR106 PWR TSAT1 ZONE1 TSAT2 ZONE2 TSAT3 ZONE3 T...

Page 34: ...RIORITY PUMP N L SEC PUMP N STATUS DURING PRIORITY ZONE 1 END SWITCH MOTOR PRIORITY ZONE 2 END SWITCH MOTOR ZONE 3 END SWITCH MOTOR ZONE 4 END SWITCH MOTOR ZONE 5 END SWITCH MOTOR ZONE 6 END SWITCH MO...

Page 35: ...0 VAC L Line live leg of 120 VAC Thermostat terminals R 24 VAC W Heat call C Common of 24 VAC Boiler terminals XX Dry contacts rated up to 120 VAC 2 Amps Closes when any zone calls including priority...

Page 36: ...Y ZONE 2 END SWITCH MOTOR ZONE 3 END SWITCH MOTOR ZONE 4 END SWITCH MOTOR ZONE 5 END SWITCH MOTOR ZONE 6 END SWITCH MOTOR ON OFF ON OFF L SYSTEM PUMP N MASTER SLAVE L N PRIORITY pump SECONDARY pump ZV...

Page 37: ...AT CALL LED s illuminate When the zone valve end switch closes the VALVE OPEN LED illuminates the XX contacts close the SEC PUMP and SYSTEM PUMP terminals deliver 120 VAC DHW Time Out Freeze Preventio...

Page 38: ...RIORITY ZONE 1 END SWITCH MOTOR PRIORITY ZONE 2 END SWITCH MOTOR ZONE 3 END SWITCH MOTOR ZONE 4 END SWITCH MOTOR ZONE 5 END SWITCH MOTOR ZONE 6 END SWITCH MOTOR ON OFF ON OFF L SYSTEM PUMP N MASTER SL...

Page 39: ...T STAT CALL LED s illuminate When the zone valve end switch closes the VALVE OPEN LED illuminates the XX contacts close the SEC PUMP and SYSTEM PUMP terminals deliver 120 VAC DHW Time Out Freeze Prev...

Page 40: ...2 C R W T T COM COMMS D P DHW ZR ZC X X T STAT 3 C R W T T COM T STAT 1 C R W T T COM L POWER IN N T STAT 4 C R W T T COM T STAT 5 C R W T T COM T STAT 6 C R W T T COM PWR TSAT1 ZONE1 TSAT2 ZONE2 TSA...

Page 41: ...acts deliver 120 VAC The SEC PUMP and SYSTEM PUMP are off Once the Zone 1 DHW demand is satisfied power to the PRIORITY PUMP is dropped the DHW contacts open If a demand from zones 2 thru 12 is presen...

Page 42: ...PUMP N L SEC PUMP N SYSTEM PUMP STATUS DURING PRIORITY ZONE 1 END SWITCH MOTOR PRIORITY ZONE 2 END SWITCH MOTOR ZONE 3 END SWITCH MOTOR ZONE 4 END SWITCH MOTOR ZONE 5 END SWITCH MOTOR ZONE 6 END SWIT...

Page 43: ...tral common leg of 120 VAC L Line live leg of 120 VAC Thermostat terminals R 24 VAC W Heat call C Common of 24 VAC Boiler terminals XX Dry contacts rated up to 120 VAC 2 Amps Closes when any zone call...

Page 44: ...SEC PUMP N SYSTEM PUMP STATUS DURING PRIORITY ZONE 1 END SWITCH MOTOR PRIORITY ZONE 2 END SWITCH MOTOR ZONE 3 END SWITCH MOTOR ZONE 4 END SWITCH MOTOR ZONE 5 END SWITCH MOTOR ZONE 6 END SWITCH MOTOR M...

Page 45: ...STAT CALL LED s illuminate When the zone valve end switch closes the VALVE OPEN LED illuminates the XX contacts close the SEC PUMP and SYSTEM PUMP terminals deliver 120 VAC DHW Time Out Freeze Prevent...

Page 46: ...X T STAT 3 C R W T T COM T STAT 1 C R W T T COM L POWER IN N T STAT 4 C R W T T COM T STAT 5 C R W T T COM T STAT 6 C R W T T COM PWR TSAT1 ZONE1 TSAT2 ZONE2 TSAT3 ZONE3 TSAT4 ZONE4 TSAT5 ZONE5 TSAT6...

Page 47: ...e MOTOR terminals If no other zones are calling power is turned off to the SEC PUMP and SYSTEM PUMP and the XX contacts are opened Description of terminals Ground N Neutral common leg of 120 VAC L Lin...

Page 48: ...40 Caleffi North America Inc 3883 W Milwaukee Rd Milwaukee WI 53208 Tel 414 238 2360 Fax 44 238 2366 www caleffi com usa sales caleffi com Copyright 2014 Caleffi North America Inc...

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