Voltmaster LN-Series Spezifikationen

TACO ZONE CONTROLS WIRING GUIDEPagesSwitching Relays – Single Zone Wiring 2 – 2Switching Relays – Oil Boiler Wiring Safety Notice 2 3– 4Switching Rela

8Priority Zoning Circulator Controlling SR504/506 Switching RelaySIX ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 6ONOFFPRIORITY120V RELAY120 VO

98Standard Terms and DefinitionsSwitching Relay: Transformer and relay in one box, which allows a low voltage thermostat to control a line voltage loa

99TACO Zone Controls Cross-ReferenceTACO ARGO ERIE HONEYWELL WHITE-ROGERSSWITCHING RELAYS1 Zone Switching Relay (DPDT) SR501 AR821 (1), AR822 SR100 RA

100TACO Zone Controls Cross-Reference (Continued)TACO ARGO ERIE HONEYWELL WHITE-ROGERSADD-ON POWER CONTROLSBoiler Reset Control PC700 DPM-2 BB12002-St

CONTROLS MADE EASY.®TACO, INC., 1160 Cranston Street, Cranston, RI 02920 Telephone: (401) 942-8000 FAX: (401) 942-2360.TACO (Canada), Ltd., 8450 Lawso

9Priority Zoning Circulator Controlling 2 SR504/506 Switching Relays ZONE 4ONOFFPRIORITY120V RELAYFUSE 1 AMPZONE 1 ZONE 2 ZONE 3 ZONE 4120 VOLT CIRCU

SR502/503 Switching Relay Controlling 2 SR504/506 Switching Relays ZONE 4ONOFFPRIORITY120V RELAYFUSE 1 AMPZONE 1 ZONE 2 ZONE 3 ZONE 4120 VOLT CIRCULA

11FOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4ONOFFPRIORITY120V RELAYFUSE 1 AMPZONE 1 ZONE 2 ZONE 3 ZONE 4120 VOLT CIRCULATORSZC ZRX

SR501-EXP Switching Relay Controlling Another SR504/506 Switching RelaySIX ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 6ONOFFPRIORITY120V RELAY

SR501-EXP Switching Relay Controlling a ZVC404/406 Zone Valve Control24 VACZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6MODENORMAL RESETFUSE (7 AMP MAX)TT

142 Expandable Switching Relays Connected TogetherFOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4ONOFFPRIORITY120V RELAYFUSE 1 AMP24 VACPOWE

ZONE 4ONOFFPRIORITY120V RELAYFUSE 1 AMP24 VACPOWERZONE 1 ZONE 2 ZONE 3 ZONE 4120 VOLT CIRCULATORSZC ZRX XENDSWITCHZONE1 ZONE2 ZONE3 ZONE4P

16BOILER120 VAC INPUTTO: "TT" ON BOILERHNASR 502 ZONE1 ZONE2 ZONE324 VACPOWERFUSE 1 AMPZONE1 ZONE2 ZONE3JUMPERSN P ZC H X

PC700 Boiler Reset Control Connected to SR501-EXP Switching RelayZONECONTROLBOILSENOUTSENBOILER SENSOROUTDOORSENSORPC700BOILERSWITCH SETTINGSMaster/Sl

FOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4ONOFFPRIORITY120V RELAY120 VOLT CIRCULATORSZC ZRX XENDSWITCHPOWERINPUT120 VACINPUTZONE1

SR501-EXP and PC700 Boiler Reset Control Connected to an Existing Zone Valve Control120 VACINPUTBOILERHNEXISTINGZONECONTROLPRIMARYSYSTEMCIRCULATOR(Opt

SR501-EXP and PC700 Boiler Reset Control Connected to an ExistingTankless Coil Boiler – Zoning with CirculatorsFOUR ZONE SWITCHING RELAY WITH OPTIONA

FOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4ONOFFPRIORITY120V RELAYFUSE 1 AMP24 VACPOWERMASTER1234PLUG-IN CARDSRESET NORMALSLAVEPOWERCO

22FOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4ONOFFPRIORITY120V RELAYFUSE 1 AMP24 VACPOWERMASTER1234PLUG-IN CARDSRESET NORMALSLAVEPOWER

FOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4ONOFFPRIORITY120V RELAYFUSE 1 AMP24 VACPOWERMASTER1234PLUG-IN CARDSRESET NORMALSLAVETHERMOS

24PC700 Boiler Reset Control Connected to 2 EXP Switching RelaysFOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4ONOFFPRIORITY120V RELAYFUSE 1

25PC702 2–Stage Boiler Reset Control Connected to 2 EXP Switching RelaysFOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4ONOFFPRIORITY120V REL

26PC705 Variable Speed Pump Injection Control Connected to 2 EXP Switching RelaysFOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4ONOFFPRIORIT

27PC700 and PC705 Controls Connected to 2 EXP Switching RelaysFOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4ONOFFPRIORITY120V RELAYFUSE 1 A

TACO Zone Control Product InformationSwitching RelaysProduct No. DescriptionSR501 1 Zone Switching RelaySR501-845RP 1 Zone Switching Relay Replacement

28PC702 and PC705 Controls Connected to 2 EXP Switching RelaysFOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4ONOFFPRIORITY120V RELAYFUSE 1 A

24 VACZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5FUSE (5 AMP MAX)TTTT TT TT TTZVC 4051234 12 34 12 34 1234 1234ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 52 WIRE ZONE V

3024 VACZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6MODENORMAL RESETFUSE (7 AMP MAX)TTTT TT TT TT TTZONE 6 PRIORITYOFFONZVC 4061234 12 34 1234 1234 12 34

24 VACZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6MODENORMAL RESETFUSE (7 AMP MAX)TTTT TT TT TT TTZONE 6 PRIORITYOFFONZVC 4061234 12 34 1234 1234 12 34ZO

3224 VACZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6MODENORMAL RESETFUSE (7 AMP MAX)TTTT TT TT TT TTZONE 6 PRIORITYOFFONZVC 4061234 12 34 1234 1234 12 34

3324 VACZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6MODENORMAL RESETFUSE (7 AMP MAX)TTTT TT TT TT TTZONE 6 PRIORITYOFFONZVC 4061234 12 34 12 34 1234 1234

342 ZVC404/406 Connected Together with Priority24 VACPOWER INZONE 2 ZONE 3 ZONE 4MODENORMAL RESETFUSE (3 AMP MAX)ZONE 1TTTT TT TTZONE 4 PRIORITYOFFONN

352 EXP Zone Valve Controls Connected Together with System PumpZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6FUSE 7 AMP MAXTTTT TT TT TT TTZONE 6 OFFON1234

362 EXP Zone Valve Controls Connected Together with DHW PumpZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6FUSE 7 AMP MAXTTTT TT TT TT TTZONE 6 OFFON1234ZON

2 EXP Zone Valve Controls Connected Together with System and DHW Pumps37ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6FUSE 7 AMP MAXTTTT TT TT TT TTZONE 6

2ATTO: 120 VAC POWERCIRCULATOR120 VACINPUTTHERMOSTRWTTCOM24VACN/O N/C N/C N/ONH344665TO: ZCSR5011 ZONESWITCHING RELAYPOWERT STATTO: ZRALTERNATI

382 EXP Zone Valve Controls Connected Together with System, DHW and Secondary PumpsZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6FUSE 7 AMP MAXTTTT TT TT T

39PC700 Boiler Reset Control Connected To EXP Zone Valve ControlZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6FUSE 7 AMP MAXTTTT TT TT TT TTZONE 6 OFFON123

40PC702 2–Stage Boiler Reset Control Connected To EXP Zone Valve ControlZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6FUSE 7 AMP MAXTTTT TT TT TT TTZONE 6

41PC705 Variable Speed Pump Injection Control Connected To EXP Zone Valve ControlZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6FUSE 7 AMP MAXTTTT TT TT TT

42PC700 Boiler Reset Control Connected To 2 EXP Zone Valve ControlsZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6FUSE 7 AMP MAXTTTT TT TT TT TTZONE 6 OFFON

43PC702 2–Stage Boiler Reset Control Connected To 2 EXP Zone Valve ControlsZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6FUSE 7 AMP MAXTTTT TT TT TT TTZONE

44PC705 Variable Speed Pump Injection Control Connected To 2 EXP Zone Valve ControlsZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6FUSE 7 AMP MAXTTTT TT TT

45PC700 and PC705 Connected To 2 EXP Zone Valve ControlsZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6FUSE 7 AMP MAXTTTT TT TT TT TTZONE 6 OFFON1234ZONE 11

46PC702 and PC705 Connected To 2 EXP Zone Valve ControlsZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6FUSE 7 AMP MAXTTTT TT TT TT TTZONE 6 OFFON1234ZONE 11

47HAFC101 with 1 Speed Air HandlerHAFC 101 WITH 1 SPEED AIR HANDLER(Both HFC 101 and HAFC 201 arecapable of 1 and 2 speed applications.)THERMOSTATOpti

NOTE: No tankless coil priority.3

48HAFC101 with 2 Speed Air HandlerHAFC 101 WITH 2 SPEED AIR HANDLER(Both HFC 101 and HAFC 201 arecapable of 1 and 2 speed applications.)THERMOSTATOpti

49HAFC201 with 1 Speed Air HandlerMFanRelayLine24 VACTHERMOSTATOptional Power Wireto Thermostatthat Requires 24VACTo: OptionalAquastat onReturn Line o

50HAFC201 with 2 Speed Air HandlerTHERMOSTATOptional Power Wireto Thermostatthat Requires 24VACTo: OptionalAquastat onReturn Line ofHydro CoilPower On

51Multiple HAFC’s and Switching RelayFOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4ONOFFPRIORITY120V RELAYFUSE 1 AMP24 VACPOWERZONE 1 ZONE

523 Wire Thermostat Connected to TACO Switching RelayBOILERHNTTTFOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4ONOFFPRIORITY120V RELAYFUSE 1

53White-Rogers 1361 Hydronic Zone Valve with TACO Zone Valve ControlZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5TTTT TT TT TTZVC 4051234 1234 1234 1234 1234ZONE

54Honeywell VC 40 & 80 (spdt) Hydronic Zone Valve with TACO Zone Valve ControlZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5TTTT TT TT TTZVC 4051234 1234 1234

570 Zone Valve to Switching RelaySR 503 ZONE1 ZONE2 ZONE324 VACPOWERFUSE 1 AMP120 VOLTCIRCULATORSZONE1 ZONE2 ZONE3JUMPERSN P ZC H X

56Zone Valve Control with 1 Low Temperature Zone Using Priority Zoning Circulator24 VACZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6MODENORMAL RESETFUSE (

Back ofControlMENU ITEMRADIANT MIXING BLOCKPATENT PENDINGRMB-1ULPower: 120 V + 10%50/60 Hz, 750 VAVar. Speed: 120 V(ac) 1 APmp Relay: 120 V(ac) 5 A,

(cont.)NOTE: Tankless coil has priority.THREE ZONE SWITCHING RELAY WITH OPTIONAL PRIORITYTHERMOSTATFUSE 1 AMP24 VACPOWERZONE 1 ZONE 2 ZONE 3120 VOLT

Radiant Mixing Block Connected to Zone Valve Control with System Pump Wired off the RMBRadiant Mixing Block Connected to 2 EXP Switching Relays with D

Back ofControlMENU ITEMX – PUMP BLOCKPATENT PENDINGXPB-1ULPower: 120 V + 10%50/60 Hz, 750 VAVar. Speed: 120 V(ac) 1 APmp Relay: 120 V(ac) 5 A, 1/6 hp

60FOUR ZONE ZONE VALVE CONTROLWITH OPTIONAL PRIORITYOFFONZONE 4 PRIORITYMOD ERESETZVC 4041234ZONE 11234ZONE 21234ZONE 31234ZONE 4ZONE 4 RELAYN/O N/CCO

Typical Radiant Floor to Water Heater InstallationColdSupplyMIXHCASSE 1017TemperingValveDomesticHotSupplyRADIANTSYSTEM(Secondary Sideof the System)X-P

62Back ofControliSeries-RBA24 VoltTransformerNHPowerInputC R24 VACPOWER INPUTSENSOR COMMONBOILER SUPPLY OUTDOORPOWERGR

63iSeries-RBCABCASupplySensorNPZCHX1ZRX2ZONE1 ZONE2 ZONE3ZONE1 ZONE2 ZONE3FUSE 1 AMP24 VACPOWERTHREE ZONE SWITCHING RELAYWITH OPTIONAL PRIORITYSR 5032

64Wiring for Boilers with Honeywell Control Center Model R8285 or EquivalentTACO LTR0243T-1YELREDWH YELGRNFACTORYWIRINGMALECONNECTORGROUNDCONNECTIONFE

65INTEGRATED BOILERCONTROLBOILER MODULEWIRING HARNESSMALECONNECTORFEMALECONNECTORFACTORY WIRINGWiring Boilers with a United Technologies Integrated Co

Wiring Taco LN and LTA-2 Series Low Water CutoffsUsing Burner Circuit Power Source**Factory Installed66Wiring Taco LN and LTA-2 Series Low Water Cutof

67Wiring Taco LT Series (1st generation, -1) Low Water CutoffsUsing Burner Circuit Power Source**Factory InstalledWiring Taco LT Series (1st generatio

5SR502/503 Switching Relay Controlling Another SR502/503 Switching RelaySR 50324 VACPOWERFUSE 1 AMPZONE1 ZONE2 ZONE3120 VOLT CIRCULATORSZONE1 ZO

68Wiring Taco LF Series Low Water Cutoffs Using Burner Circuit Power SourceWiring Taco LF Series Low Water Cutoffs Using Power Source Other Than Burne

69Taco Low Water Cutoff Replacement GuideBold / Italics Indicates Discontinued Part NumberTaco McDonnell & Miller Hydrolevel HoneywellLFA1203S-1LT

70Taco LF Series 120 Volt LWCO Competitive Wiring Cross Reference120 VAC Models with 120 VAC Burner CircuitsTACO LFx120xNC COMNO H N GND PBURNERCIRCUI

71Taco LF Series 24 Volt LWCO Competitive Wiring Cross Reference24 VAC Models with 24 VAC Burner CircuitsTACO LFx024xNC COMNO H N GND PBURNERCIRCUITHO

72Taco LTA-2 Series 120 Volt LWCO Competitive Wiring Cross Reference120 VAC Models with 120 VAC Burner CircuitsTACO LTA1203S-2N H COM NC NOBURNERCIRCU

73Taco LTR and LTA-2 Series 24 Volt LWCO Competitive Wiring Cross Reference24 VAC Models with 24 VAC Burner CircuitsTACO LTA0243S-2NHCOMNC NOBURNERCIR

74Wiring Taco LF Series Low Water Cutoffsto Taco Electric Water Feeder with the Same VoltagesNC NO COM H NTaco LFx120x / LFx024xGND PBURN ERCIR CUITH

75Wiring Taco 24VAC Electric Water Feeder to Taco LF Series 24VAC Low Water Cutoffor 24VAC McDonnell & Miller or Hydrolevel Low Water CutoffsTaco

76Wiring TACO LTA-2 or LF Series 24VAC Low Water Cutoff toMcDonnell & Miller Series WF2 Uni-Match Electric Water FeederUNI-MATCHWATER FEEDERMODEL

77Wiring TACO LF Series 24VAC Low Water Cutoff toHydrolevel VXT-24 Water Feeder (Non-Display Model)SAFGARD VXT-24WATER FEEDER24VACSUPPLY50/60 HzHNNHCO

6SR502/503 Switching Relay Controlling Another SR504/506 Switching RelaySIX ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 6ONOFFPRIORITY120V RELA

78Wiring TACO LTA-2 or LF Series 24VAC Low Water Cutoff toHydrolevel VXT-24 Programmable Water Feeder (Model with Display)SAFGARD VRTX-24WATER FEEDER2

Manufacturer Device or SeriesPower Connections Output Contacts Remote ProbesHot Neutral CommonTo BurnerCircuitTo EWF’s LWTerminal/AlarmProbeProbePrefe

80Aquastat WiringL1 L2T TL1(HOT)L2(NEUTRAL)LINE VOLTAGEOIL BURNER RELAYOR GAS VALVECIRCULATORON BOILER(IF ATTACHED)B2 C2 B1ZRTACOZONECONTROLHONEYWELL

Aquastat WiringTV TZL1(HOT)CIRCULATORON BOILER(IF ATTACHED)B2C2B1C1TACOZONECONTROLHONEYWELL L8124G & L OR EQUAL120 VACINPUTZREND SWITCHL1L2(NEUTRA

82Aquastat WiringTV WTL1(HOT)L2(NEUTRAL)CIRCULATORON BOILER(IF ATTACHED)L1C2L2TACOZONECONTROLHONEYWELL L8148E OR EQUAL120 VACINPUTC1LOW VOLTAGEGAS VAL

Aquastat WiringL1 L2T TL1(HOT)L2(NEUTRAL)LINE VOLTAGEOIL BURNER RELAYOR GAS VALVECIRCULATORON BOILER(IF ATTACHED)B2 C2 B1ZRTACOSWITCHINGRELAYHONEYWELL

84Aquastat WiringLINE VOLTAGEOIL BURNER RELAYOR GAS VALVECIRCULATORON BOILER(IF ATTACHED)C1B2B1HONEYWELL L8148A OR EQUALC23L1 L2T TL1(HOT)L2(NEUTRAL)1

85Wiring for Boilers with Honeywell Aquastat Model L8124E or EquivalentTV TZL1(HOT)L2(NEUTRAL)CIRCULATORON BOILER(IF ATTACHED)L1C2L2120 VACINPUTC1B1 B

Aquastat Wiring to 24VAC Low Water CutoffTV WTL1(HOT)L2(NEUTRAL)CIRCULATORON BOILER(IF ATTACHED)L1C2L2120 VACINPUTC1LOW VOLTAGEGAS VALVEB1 B2HONEYWELL

87ATTO: 120 VAC POWERCIRCULATORJUMPER120 VACINPUTTHERMOSTRWTTCOM24VACN/O N/C N/C N/ONH344665TO: TT ON BOILERSR5011 ZONE SWITCHING RELAYPOWERT S

7Two SR504/506 Switching Relays Connected TogetherBOILERHNAAQUASTAT ONDHW HEATERTT TFOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4ONOFFPRIO

88TACO SR501-845RP REPLACEMENT CROSS-REFERENCEMANUFACTURER MODEL CONNECTIONSTaco SR501-845RP L1 L2 3 4 5 6 R/T W/TArgo AR821 1 2 3 4 5 6 TAR822 L1 L2

89Do it Once. Do it Right.®TACO, INC., 1160 Cranston Street, Cranston, RI 02920 Telephone: (401) 942-8000 FAX: (401) 942-2360.TACO (Canada), Ltd., 618

90SIX ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 6ONOFFPRIORITY120V RELAY120 VOLT CIRCULATORSZC ZRX XENDSWITCHPOWERINPUT120 VAC INPUTTO:

91TO: 120 VAC POWERCIRCULATORPOWERT STATTO: "TT" on Boiler AquastatTHERMOSTATTO: 120 VAC POWERPOWERT STATTO: ZC on Boiler ControlTO: DHW A

92SIX ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 6ONOFFPRIORITY120V RELAYPLUG-IN CARDSFUSE 1 AMP24 VACPOWEREXPANSIONCONNECTIONSSLAVEMASTER1234

9324 VACZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5FUSE (5 AMP MAX)TTTT TT TT TTZVC 4051234 12 34 12 34 1234 1234ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 52 WIRE ZONE

9424 VACZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6MODENORMAL RESETFUSE (7 AMP MAX)TTTT TT TT TT TTZONE 6 PRIORITYOFFONZVC 4061234 1234 1234 1234 1234ZO

95ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6FUSE 7 AMP MAXTTTT TT TT TT TTZONE 6 OFFON1234ZONE 11234ZONE 21234ZONE 31234ZONE 41234ZONE 51234ZONE 6MODEN

96Operation HAFC101 and 201:The Hydro Air Fan Control is an interfacebetween the thermostat and air handler. Italso has an isolated end switch to star

Do it Once. Do it Right.TACO, INC., 1160 Cranston Street, Cranston, RI 02920 Telephone: (401) 942-8000 FAX: (401) 942-2360.TACO (Canada), Ltd., 6180 O