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Wiring Taco LT Series (1st generation, -1) Low Water Cutoffs

Using Burner Circuit Power Source

*Factory Installed

Wiring Taco LT Series (1st generation, -1) Low Water Cutoffs

Using Power Source Other Than Burner Circuit

NOTE:

For 24 VAC models, LTx024xx-1, 24 VAC to be supplied

by an

EXTERNAL

Class 2 power source to terminals H and N.

For 120 VAC models, LTx120xx-1, 120 VAC is supplied by an
external circuit to terminals H and N.

NOTE:

For 24 VAC models, LTx024xx-1, 24 VAC to be supplied

by an

EXTERNAL

Class 2 power source to terminals H and N.

For 120 VAC models, LTx120xx-1, 120 VAC is supplied by an
external circuit to terminals H and N.

Содержание SR501

Страница 1: ...s NON EXP Connected Together with Priority 29 34 Zone Valve Controls EXP Connected Together with Priority 35 38 Zone Valve Controls Connected To Reset Controls PC700 702 705 39 46 Hydro Air Fan Contro...

Страница 2: ......

Страница 3: ...ls Product No Description ZVC403 3 Zone Valve Control ZVC404 4 Zone Valve Control with Priority ZVC405 5 Zone Valve Control ZVC406 6 Zone Valve Control with Priority Zone Valve Controls with PowerPort...

Страница 4: ...TO TT ON BOILER SR501 1 ZONE SWITCHING RELAY POWER T STAT ALTERNATIVE WIRING 24 VAC POWERED INPUT SIGNAL N H REMOVE JUMPER DO NOT CONNECT POWER TO N AND H TERMINALS T STAT LIGHT WILL GO ON AND OFF WIT...

Страница 5: ...NOTE No tankless coil priority 3...

Страница 6: ...VICE SWITCH LOW WATER CUTOFF N P H X2 ZR NOTE The boiler operating control s ZC terminal will see the load of the circulator s FOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY THERMOSTATS ZONE 4 ON OF...

Страница 7: ...OWER ZONE 1 ZONE 3 THREE ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY T T T SR 503 ZONE1 ZONE2 ZONE3 24 VAC POWER FUSE 1 AMP 120 VOLT CIRCULATORS ZONE1 ZONE2 ZONE3 120 VAC POWER JUMPER N P ZC H X ZR 1...

Страница 8: ...E3 ZONE4 ZONE5 ZONE6 ZONE1 ZONE2 ZONE3 ZONE4 ZONE5 ZONE6 FUSE 1 AMP 24 VAC POWER SR 506 ZONE 2 POWER ZONE 1 ZONE 3 ZONE 4 ZONE 5 ZONE 6 THERMOSTATS BOILER H N SR 503 ZONE1 ZONE2 ZONE3 24 VAC POWER FUS...

Страница 9: ...ZC ZR X X END SWITCH ZONE1 ZONE2 ZONE3 ZONE4 POWER INPUT SR 504 ZONE 2 POWER ZONE 1 ZONE 3 ZONE 4 JUMPER T T T FOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4 ON OFF PRIORITY 120V RELAY FUSE 1...

Страница 10: ...0 VAC INPUT TO TT ON BOILER ZONE1 ZONE2 ZONE3 ZONE4 ZONE5 ZONE6 ZONE1 ZONE2 ZONE3 ZONE4 ZONE5 ZONE6 FUSE 1 AMP 24 VAC POWER SR 506 ZONE 2 POWER ZONE 1 ZONE 3 ZONE 4 ZONE 5 ZONE 6 ON OFF PRIORITY POWER...

Страница 11: ...ONE 1 ZONE 2 ZONE 3 ZONE 4 120 VAC INPUT TO TT ON BOILER 120 VOLT CIRCULATORS ZC ZR X X END SWITCH ZONE1 ZONE2 ZONE3 ZONE4 POWER INPUT SR 504 ZONE 2 POWER ZONE 1 ZONE 3 ZONE 4 T T T H N FOUR ZONE SWIT...

Страница 12: ...20 VAC INPUT TO TT ON BOILER 120 VOLT CIRCULATORS ZC ZR X X END SWITCH ZONE1 ZONE2 ZONE3 ZONE4 POWER INPUT SR 504 ZONE 2 POWER ZONE 1 ZONE 3 ZONE 4 T T T H N A SR 503 ZONE1 ZONE2 ZONE3 24 VAC POWER FU...

Страница 13: ...120V RELAY FUSE 1 AMP ZONE 1 ZONE 2 ZONE 3 ZONE 4 120 VAC INPUT TO TT ON BOILER 120 VOLT CIRCULATORS ZC ZR X X END SWITCH ZONE1 ZONE2 ZONE3 ZONE4 POWER INPUT SR 504 ZONE 2 POWER ZONE 1 ZONE 3 ZONE 4 T...

Страница 14: ...ONE6 FUSE 1 AMP 24 VAC POWER SR 506 ZONE 2 POWER ZONE 1 ZONE 3 ZONE 4 ZONE 5 ZONE 6 THERMOSTATS BOILER H N MASTER SLAVE T REMOVE JUMPER PRIORITY OFF DHW CIRCULATOR POWER T STAT TO TT ON BOILER AQUASTA...

Страница 15: ...R IN 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT WHITE BLACK N O COM ZONE 6 RELAY END SWITCH EXTRA END SWITCH MAIN N C TO BOILER AQUASTAT RELAY BOILER H N SYSTEM PUMP BOILER TURNS ON WHEN ANY Z...

Страница 16: ...4 JUMPER BOILER SWITCH SETTINGS Master Slave Slave Reset Normal Normal Priority Zone Off 120 VAC INPUT H N SWITCH SETTINGS Master Slave Master Reset Normal Normal Priority Zone On 1 2 3 4 EXPANSION 1...

Страница 17: ...END SWITCH ZONE1 ZONE2 ZONE3 ZONE4 POWER INPUT SR 504 ZONE 2 POWER ZONE 1 ZONE 3 ZONE 4 T T T H N A JUMPER JUMPER SR 502 ZONE1 ZONE2 ZONE3 24 VAC POWER FUSE 1 AMP ZONE1 ZONE2 ZONE3 JUMPERS N P ZC H X...

Страница 18: ...NPUT SR 504 EXP ZONE 2 POWER ZONE 1 ZONE 3 ZONE 4 JUMPER SWITCH SETTINGS Master Slave Master Reset Normal Normal Priority Zone On 1 2 3 4 EXPANSION SR504 EXP T FOUR ZONE SWITCHING RELAY WITH OPTIONAL...

Страница 19: ...Normal Reset 120 VAC INPUT SYSTEM CIRCULATOR POWER T STAT TO TT ON BOILER THERMOSTAT N ZC ZR H H H POWER INPUT 120VAC INPUT 120VAC OUTPUT CIRC OUTPUT PRIORITY OUTPUT RESET POWER CONTROLS FUSE 1 AMP N...

Страница 20: ...N BOILER SENSOR OUTDOOR SENSOR PC700 K1 A K1 B K2 A K2 A K1 K2 18 SR501 EXP and PC700 Boiler Reset Control Connected to an Existing Switching Relay FOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZON...

Страница 21: ...OR N ZC ZR H H H POWER INPUT 120VAC INPUT 120VAC OUTPUT CIRC OUTPUT PRIORITY OUTPUT SR 501 EXP MASTER SLAVE FUSE 5 AMP K1 A K1 B K2 A K2 A K1 K2 Connecting a DHW Heater to an Existing Heating Only Zon...

Страница 22: ...ONE CONTROL POWER T STAT END SWITCH RESET OVERRIDE THERMOSTAT EXPANSION X COM T W T R X 1 1 2 2 4 3 JUMPER RESET POWER CONTROLS FUSE 1 AMP NORMAL MODE ZONE CONTROL BOIL SEN OUT SEN BOILER SENSOR OUTDO...

Страница 23: ...E 2 ZONE 3 ZONE 4 120 VAC INPUT TO TT ON BOILER 120 VOLT CIRCULATORS ZC ZR X X END SWITCH ZONE1 ZONE2 ZONE3 ZONE4 POWER INPUT ZONE 2 POWER ZONE 1 ZONE 3 ZONE 4 JUMPER H N ZONE CONTROL BOIL SEN OUT SEN...

Страница 24: ...ATORS ZC ZR X X END SWITCH ZONE1 ZONE2 ZONE3 ZONE4 POWER INPUT ZONE 2 POWER ZONE 1 ZONE 3 ZONE 4 JUMPER H N ZONE CONTROL BOIL SEN OUT SEN BOILER SENSOR OUTDOOR SENSOR PC702 STAGE 1 STAGE 2 BOILER 2 BO...

Страница 25: ...R INJECTION CIRCULATOR SYSTEM CIRCULATOR AND OR BOILER BLACK BLUE RED GREEN GROUND SR 504 EXP SEE NOTE B NOTE A WHEN SYSTEM CIRCULATOR IS CONNECTED TO ZR TERMINAL ON SWITCHING RELAY THE MODE SWITCH MU...

Страница 26: ...N BOILER SENSOR OUTDOOR SENSOR PC700 BOILER SWITCH SETTINGS Master Slave Master Reset Normal Reset Priority Zone On or Off FOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4 ON OFF PRIORITY 120V...

Страница 27: ...or Off 1 2 3 4 EXPANSION ZONE CONTROL BOIL SEN OUT SEN BOILER SENSOR OUTDOOR SENSOR PC702 STAGE 1 STAGE 2 BOILER 2 BOILER 1 DHW DEMAND SR 504 EXP WIRING NEEDED ONLY IF PRIORITY ZONE IS DHW MASTER FOUR...

Страница 28: ...TCHING RELAY WITH OPTIONAL PRIORITY ZONE 4 ON OFF PRIORITY 120V RELAY FUSE 1 AMP 24 VAC POWER MASTER PLUG IN CARDS RESET NORMAL SLAVE POWER CONTROL INTERFACE THERMOSTATS ZONE 1 ZONE 2 ZONE 3 ZONE 4 12...

Страница 29: ...Reset Priority Zone On or Off FOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 4 ON OFF PRIORITY 120V RELAY FUSE 1 AMP 24 VAC POWER MASTER PLUG IN CARDS RESET NORMAL SLAVE THERMOSTATS ZONE 1 ZONE...

Страница 30: ...AMP 24 VAC POWER MASTER PLUG IN CARDS RESET NORMAL SLAVE THERMOSTATS ZONE 1 ZONE 2 ZONE 3 ZONE 4 120 VAC INPUT 120 VOLT CIRCULATORS ZC ZR X X END SWITCH ZONE1 ZONE2 ZONE3 ZONE4 POWER INPUT ZONE 2 POWE...

Страница 31: ...HERMOSTAT 4 WIRE ZONE VALVE POWER OPEN SELF CLOSING T STAT 1 VALVE 1 T STAT 2 VALVE 2 T STAT 3 VALVE 3 T STAT 4 VALVE 4 T STAT 5 VALVE 5 POWER FIVE ZONE ZONE VALVE CONTROL 24 VAC FACTORY INSTALLED TRA...

Страница 32: ...AT 4 VALVE 4 T STAT 5 VALVE 5 T STAT 6 VALVE 6 POWER SIX ZONE ZONE VALVE CONTROL WITH OPTIONAL PRIORITY 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT WHITE BLACK POWER IN 24 VAC FACTORY INSTALLED...

Страница 33: ...5 VALVE 5 T STAT 6 VALVE 6 POWER SIX ZONE ZONE VALVE CONTROL WITH OPTIONAL PRIORITY 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT WHITE BLACK POWER IN 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC...

Страница 34: ...5 T STAT 6 VALVE 6 POWER SIX ZONE ZONE VALVE CONTROL WITH OPTIONAL PRIORITY 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT WHITE BLACK POWER IN 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT...

Страница 35: ...CONTROL WITH OPTIONAL PRIORITY 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT WHITE BLACK POWER IN 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT WHITE BLACK N O COM ZONE 6 RELAY END SWITCH E...

Страница 36: ...EE NOTE 24 VAC POWER IN ZONE 2 ZONE 3 ZONE 4 MODE NORMAL RESET FUSE 3 AMP MAX ZONE 1 T T T T T T T T ZONE 4 PRIORITY OFF ON N O COM N C ZONE 4 RELAY TO BOILER AQUASTAT RELAY DRY CONTACTS 1 2 3 4 1 2 3...

Страница 37: ...AMP MAX T T T T T T T T T T T T ZONE 6 OFF ON 1 2 3 4 ZONE 1 1 2 3 4 ZONE 2 1 2 3 4 ZONE 3 1 2 3 4 ZONE 4 1 2 3 4 ZONE 5 MODE NORMAL RESET 2 WIRE ZONE VALVE NO END SWITCH TACO 3 WIRE ZONE VALVE 1 2 3...

Страница 38: ...T T T T T T T T ZONE 6 OFF ON 1 2 3 4 ZONE 1 1 2 3 4 ZONE 2 1 2 3 4 ZONE 3 1 2 3 4 ZONE 4 1 2 3 4 ZONE 5 MODE NORMAL RESET 2 WIRE ZONE VALVE NO END SWITCH TACO 3 WIRE ZONE VALVE 1 2 3 JUMPER 3 4 MOTO...

Страница 39: ...T T T T ZONE 6 OFF ON 1 2 3 4 ZONE 1 1 2 3 4 ZONE 2 1 2 3 4 ZONE 3 1 2 3 4 ZONE 4 1 2 3 4 ZONE 5 MODE NORMAL RESET 2 WIRE ZONE VALVE NO END SWITCH TACO 3 WIRE ZONE VALVE 1 2 3 JUMPER 3 4 MOTOR END SW...

Страница 40: ...1 1 2 3 4 ZONE 2 1 2 3 4 ZONE 3 1 2 3 4 ZONE 4 1 2 3 4 ZONE 5 MODE NORMAL RESET 2 WIRE ZONE VALVE NO END SWITCH TACO 3 WIRE ZONE VALVE 1 2 3 JUMPER 3 4 MOTOR END SWITCH 4 WIRE ZONE VALVE POWER OPEN S...

Страница 41: ...AT 1 T STAT 2 T STAT 3 T STAT 4 T STAT 5 T STAT 6 POWER ON VALVE 1 VALVE 2 VALVE 3 VALVE 4 VALVE 5 VALVE 6 SEE NOTE EXPANSION ZVC 406 EXP SIX ZONE ZONE VALVE CONTROL WITH OPTIONAL PRIORITY 24 VAC POWE...

Страница 42: ...WER ON VALVE 1 VALVE 2 VALVE 3 VALVE 4 VALVE 5 VALVE 6 SEE NOTE EXPANSION ZVC 406 EXP SIX ZONE ZONE VALVE CONTROL WITH OPTIONAL PRIORITY 24 VAC POWER IN 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC IN...

Страница 43: ...N VALVE 1 VALVE 2 VALVE 3 VALVE 4 VALVE 5 VALVE 6 SEE NOTE EXPANSION ZVC 406 EXP SIX ZONE ZONE VALVE CONTROL WITH OPTIONAL PRIORITY 24 VAC POWER IN 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT W...

Страница 44: ...VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT WHITE BLACK ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6 FUSE 7 AMP MAX T T T T T T T T T T T T ZONE 6 OFF ON 1 2 3 4 ZONE 1 1 2 3 4 ZONE 2 1 2 3 4 ZONE 3...

Страница 45: ...E 6 MODE NORMAL RESET PRIORITY ZONE 2 WIRE ZONE VALVE NO END SWITCH TACO 3 WIRE ZONE VALVE 1 2 3 JUMPER 3 4 MOTOR END SWITCH 4 WIRE ZONE VALVE POWER OPEN SELF CLOSING JUMPER 3 4 1 2 3 4 MASTER SLAVE P...

Страница 46: ...TROL BOIL SEN OUT SEN BOILER SENSOR OUTDOOR SENSOR PC705 2 SUP SEN SUPPLY SENSOR INJECTION CIRCULATOR SYSTEM CIRCULATOR BLACK BLUE RED GREEN GROUND ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6 FUSE 7 AMP...

Страница 47: ...ZONE 6 FUSE 7 AMP MAX T T T T T T T T T T T T ZONE 6 OFF ON 1 2 3 4 ZONE 1 1 2 3 4 ZONE 2 1 2 3 4 ZONE 3 1 2 3 4 ZONE 4 1 2 3 4 ZONE 5 1 2 3 4 ZONE 6 MODE NORMAL RESET PRIORITY ZONE 2 WIRE ZONE VALVE...

Страница 48: ...ZONE 5 1 2 3 4 ZONE 6 MODE NORMAL RESET PRIORITY ZONE 2 WIRE ZONE VALVE NO END SWITCH TACO 3 WIRE ZONE VALVE 1 2 3 JUMPER 3 4 MOTOR END SWITCH 4 WIRE ZONE VALVE POWER OPEN SELF CLOSING JUMPER 3 4 1 2...

Страница 49: ...ional Power Wire to Thermostat that Requires 24VAC To Aquastat on Return Line of Hydro Coil Dry Contacts To T T on Boiler or Switching Relay Power On Call for Heat Fan Cooling Fan Heating Outdoor Cond...

Страница 50: ...onal Power Wire to Thermostat that Requires 24VAC To Aquastat on Return Line of Hydro Coil Dry Contacts To T T on Boiler or Switching Relay Power On Call for Heat Fan Cooling Fan Heating Outdoor Conde...

Страница 51: ...FAN CONTROL T T WATER COIL FREEZE PR To Optional Aquastat or Thermostat to sense low ambient temperature Hot Neutral Circulator X X PUMP 5 AMP 1 6 HP RATED DRY CONTACTS 1 MIN ON DELAY FAN 3 MIN ON DEL...

Страница 52: ...ATER COIL FREEZE PR To Optional Aquastat or Thermostat to sense low ambient temperature Hot Neutral Circulator X X PUMP 5 AMP 1 6 HP RATED DRY CONTACTS 1 MIN ON DELAY FAN 3 MIN ON DELAY FAN 2 MIN 24 H...

Страница 53: ...STAT T T BOILER AIR HANDLER G G X X C R Y C R G Y T W THERMOSTAT AQUASTAT HAFC101 HYDRO AIR FAN CONTROL M Low High Line 24 VAC Fan Relays LOW HIGH 2 SPEED AIR HANDLER THERMOSTAT T T BOILER AIR HANDLER...

Страница 54: ...ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 T T T T T T T T T T ZVC 405 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 2 WIRE ZONE VALVE NO END SWITCH JUMPER 3 4 3 WIRE ZONE VALVE...

Страница 55: ...ZONE VALVE HONEYWELL TYPE T STAT 1 VALVE 1 T STAT 2 VALVE 2 T STAT 3 VALVE 3 T STAT 4 VALVE 4 T STAT 5 VALVE 5 POWER FIVE ZONE ZONE VALVE CONTROL 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT WH...

Страница 56: ...LVE HONEYWELL TYPE T STAT 1 VALVE 1 T STAT 2 VALVE 2 T STAT 3 VALVE 3 T STAT 4 VALVE 4 T STAT 5 VALVE 5 POWER FIVE ZONE ZONE VALVE CONTROL 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT WHITE BLAC...

Страница 57: ...120 VOLT CIRCULATORS ZONE1 ZONE2 ZONE3 JUMPERS N P ZC H X ZR 1 X2 THREE ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 2 POWER ZONE 1 ZONE 3 TO 120 VAC POWER NEUTRAL TO 120 VAC POWER HOT TO TT ON A...

Страница 58: ...VALVE CONTROL WITH OPTIONAL PRIORITY 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT WHITE BLACK POWER IN 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT WHITE BLACK N O COM ZONE 6 RELAY DRY CO...

Страница 59: ...r Sensor Boiler Injection Circulator Radiant Circulator Line Cord To Zone Control End Switch or Thermostat Off Enable On Control Boiler Operation Sup Var Pump Fuse Front of Control Supply Sensor Boile...

Страница 60: ...ITY SR503 EXP FUSE 1 AMP 24 VAC POWER ON OFF ZONE 3 PRIORITY RESET NORMAL POWER CONTROL INTERFACE MASTER SLAVE 1 2 3 4 EXPANSION PLUG IN CARDS ZONE3 ZONE2 ZONE1 INPUT 120 VOLT CIRCULATORS POWER ZONE3...

Страница 61: ...nstant Speed Circulator Heating System Circulator Snowmelt Heat Source Circulator Line Cord To Zone Control End Switch or Thermostat Relay or Mechanical Type Off Enable On Control Boiler Operation Sup...

Страница 62: ...able On Control Boiler Operation Pump Outdoor Sensor Boiler H N Factory Installed Transformer HEAT SOURCE T T T Input from Heat Source H N ComSup BoilOut Heat Dem Com Com Sys Ret Power Input N P ZC H...

Страница 63: ...D SPEED CIRCULATOR 4 PIN PLUG VARIABLE SPEED CIRCULATOR 3 PIN PLUG HEAT SOURCE Tb Ts Note 1 There must be no more than 4 pipe diameters between the tees in the boiler and system loops in order to prev...

Страница 64: ...ING RELAY 120 VAC INPUT T T COM W R 24 VAC End Switch Outdoor Sensor System Supply Sensor Boiler Return Sensor SENSOR COMMON C R 24 VAC POWER INPUT BOILER POWER GREEN SENSOR ERROR RED SUPPLY OUTDOOR i...

Страница 65: ...Switching Relay with DHW Priority 24 Volt Transformer C R 24 VAC POWER INPUT SENSOR COMMON BOILER SUPPLY OUTDOOR POWER GREEN SENSOR ERROR RED BACK OF iVALVE R MIXING VALVE ACTUATOR M M H N THREE ZONE...

Страница 66: ...del R8285 or Equivalent TACO LTR0243T 1 YEL RED WH YEL GRN FACTORY WIRING MALE CONNECTOR GROUND CONNECTION FEMALE CONNECTOR GAS VALVE 120 VAC TACO LTR0243T 1 YEL RED WH YEL GRN LIMIT CONTROLS 24 VAC C...

Страница 67: ...ng Boilers with a United Technologies Ucontrol or other Integrated Control Modules which accept a 4 pin harness and a Taco LTR0243L 1 4 PIN CONNECTOR 2 4 PIN CONNECTOR 1 WIRING HARNESS INTEGRATED CONT...

Страница 68: ...nd LTA0243S 2 24 VAC to be supplied by an EXTERNAL Class 2 power source to terminals H and N For 120 VAC models LNA120xx and LTA1203S 2 120 VAC is supplied by an external circuit to terminals H and N...

Страница 69: ...NOTE For 24 VAC models LTx024xx 1 24 VAC to be supplied by an EXTERNAL Class 2 power source to terminals H and N For 120 VAC models LTx120xx 1 120 VAC is supplied by an external circuit to terminals H...

Страница 70: ...only NOTE For 24 VAC models LFx024xx 24 VAC to be supplied by an EXTERNAL Class 2 power source to terminals H and N For 120 VAC models LFx120xx 120 VAC is supplied by an external circuit to terminals...

Страница 71: ...24 PS 852 M 24 PS 852 SP M 24 PS 850 M 24 500 500SV 700 OEM24MC LFA1203R 1 LTA1203R 1 750 T 120 750 120 650R LFM1203R 1 LTM1203R 1 750 MT 120 750 M 120 550R LFA1202R 1 LTA1202R 1 PS 851 RX2 120 650R...

Страница 72: ...IRCUIT HOT NEUTRAL 120 VAC CIRCUIT McDONNELL MILLER PS 801 851 120 w Red Green LEDs FACTORY INSTALLED JUMPER 120 VAC Models with 24 VAC Burner Circuits TACO LFx120x NC COM NO H N GND P BURNER CIRCUIT...

Страница 73: ...IRCUIT N H C W B BURNER CIRCUIT HOT NEUTRAL 24 VAC CIRCUIT McDONNELL MILLER PS 802 852 24 FACTORY INSTALLED JUMPER 24 VAC Models with 120 VAC Burner Circuits TACO LFx024x NC COM NO H N GND P BURNER CI...

Страница 74: ...LLED JUMPER McDONNELL MILLER H N CUT OFF BURNER CIRCUIT HOT NEUTRAL 120 VAC CIRCUIT HYDROLEVEL 1150 120 VAC Models with 24 VAC Burner Circuits TACO LTA1203S 2 N H COM NC NO RB 120 1 2 3 4 5 RB 122E N...

Страница 75: ...ow Wire White Wire Red Wire Yellow Wire Yellow Wire White Wire Red Wire McDONNELL MILLER FACTORY INSTALLED JUMPER TACO LTR0243T 1 BURNER CIRCUIT HOT NEUTRAL 24 VAC CIRCUIT Yellow Wire Yellow Wire Whit...

Страница 76: ...STALLED JUMPER Wiring Taco LF Series Low Water Cutoffs to Taco Electric Water Feeder with Different Burner Voltages NC NO H N Taco L Fx1 20x GND P BUR NER CIRC UIT 12 0 V A C CIRC UIT HOT NE U TR AL H...

Страница 77: ...on some LW COs INSTALLED JUMPER COM NO P1 A C W Wiring Taco 120VAC Electric Water Feeder to Taco LF Series 120VAC Low Water Cutoff or 120VAC McDonnell Miller or Hydrolevel Low Water Cutoffs NC NO H N...

Страница 78: ...d WF 2 switch to position 3 100 sec delay 90 sec feed Wiring TACO LTA 2 or LF Series 120VAC Low Water Cutoff to McDonnell Miller Series WF2 Uni Match Electric Water Feeder UNI MATCH WATER FEEDER MODEL...

Страница 79: ...oltages Do not connect feeder to a manual reset LWCO Wiring TACO LF Series 120VAC Low Water Cutoff to Hydrolevel VXT 120 Water Feeder Non Display Model SAFGARD VXT 120 WATER FEEDER 120VAC SUPPLY 50 60...

Страница 80: ...oltages Do not connect feeder to a manual reset LWCO Wiring TACO LTA 2 or LF Series 120VAC Low Water Cutoff to Hydrolevel VXT 120 Programmable Water Feeder Model with Display SAFGARD VRTX 120 WATER FE...

Страница 81: ...Red Green LEDs H N C B W J3 Chassis GND McDonnell Miller Series 750 1 2 3 5 4 P Chassis GND McDonnell Miller RB 122 H Black Wire N White Wire C Yellow Wire B Yellow Wire McDonnell Miller RB 120 1 2 3...

Страница 82: ...OR EQUAL 120 VAC INPUT C1 ZC END SWITCH B1 B2 T T L1 HOT L2 NEUTRAL CIRCULATOR ON BOILER IF ATTACHED L1 C2 L2 TACO ZONE CONTROL HONEYWELL L8124B OR EQUAL 120 VAC INPUT C MILLI VOLTAGE GAS VALVE END SW...

Страница 83: ...AY OR GAS VALVE 81 L1 L2 T T L1 HOT L2 NEUTRAL LINE VOLTAGE OIL BURNER RELAY OR GAS VALVE CIRCULATOR ON BOILER IF ATTACHED B2 C1 B1 ZR TACO ZONE CONTROL HONEYWELL L8124M OR EQUAL 120 VAC INPUT C2 ZC E...

Страница 84: ...TV W T L1 HOT L2 NEUTRAL CIRCULATOR ON BOILER IF ATTACHED L1 C2 L2 TACO ZONE CONTROL HONEYWELL L8148J OR EQUAL 120 VAC INPUT C1 LOW VOLTAGE GAS VALVE END SWITCH B1 B3 Z TP B2 MILLI VOLTAGE GAS VALVE...

Страница 85: ...T CIRCULATOR ON BOILER IF ATTACHED B2 C2 B1 C1 HONEYWELL L8124G L OR EQUAL 120 VAC INPUT ZR L1 L2 NEUTRAL L2 ZC LINE VOLTAGE OIL BURNER RELAY OR GAS VALVE T THERMOSTAT IF INDEPENDENT ZONE TACO SWITCHI...

Страница 86: ...0 VAC INPUT T THERMOSTAT IF INDEPENDENT ZONE R W B B R L6006 LOW LIMIT CONTROLER B2 TACO SWITCHING RELAY ZC ZR N H X X END SWITCH L1 L2 B2 C2 B1 L1 HOT L2 NEUTRAL OIL BURNER AND IGNITION CIRCULATOR ON...

Страница 87: ...OR NOTE The green wire must be connected to a ground source electrically common to the boiler ground Wiring for Boilers with Honeywell Aquastat Model L8148E or Equivalent TV W T L1 HOT L2 NEUTRAL CIRC...

Страница 88: ...E B1 B2 HONEYWELL L8148E TACO LNA024 or LTA024 2 N H COM NC NO SPILL SWITCH B R Z G TO THERMOSTAT Aquastat Wiring to 120VAC Low Water Cutoff TV W T L1 HOT L2 NEUTRAL CIRCULATOR ON BOILER IF ATTACHED L...

Страница 89: ...Snap in PC Board Simplified Wiring Fully Enclosed Snap Out Relays 100 Factory Tested Contractor Friendly PC Board Layout Universal Thermostat Compatibility UL Approved Extended 3 Year Warranty Made i...

Страница 90: ...BLE RELAY CIRCULATOR THERMOSTAT TO 120 VAC POWER CIRCULATOR TO TT ON BOILER JUMPER R W T T L2 L1 3 4 5 6 120 VAC INPUT POWER T STAT UNIVERSAL REPLACEMENT RELAY MODEL SR501 845RP REPLACES HONEYWELL R84...

Страница 91: ...ernal Diagnostics Externally visible lights show full functionality of the switching relay The green light should always be on indicating that power is connect ed When the thermostat calls for heat bo...

Страница 92: ...hp 7 2A 120 VAC Instruction Sheet SR504 SR506 Switching Relay Features External Indicator Lights Switchable Priority Simplified Wiring Fully Enclosed Snap Out Relays Compact Design Fuse Protected 100...

Страница 93: ...erminal on the aquastat control Connect terminal ZR to ZR terminal on the aquastat control Confirm polarity is consistent between boiler aquastat and switching relay Power Input Connect 120 volt ac po...

Страница 94: ...tion When any thermostat calls for heat the appropriate circulator is energized and the isolated end switch X and X will start the boiler Priority Operation When zone 6 is switched to the priority set...

Страница 95: ...connections must be made in accordance with all applicable electrical codes Use copper wire only Failure to follow this instruction can result in personal injury or death and or property damage 10 18...

Страница 96: ...of the Taco Zone Valves Priority Zoning Circulators Thermostats and the 00 family of circulators with the advanced features of the Taco Zone Controls to achieve total system integration No matter the...

Страница 97: ...ort options Set all other daisy chained controls to SLAVE Connect thermostat wire 18 22 gauge between terminals 1 2 3 4 on the master control to the corresponding 1 2 3 4 on the SLAVE control s Contro...

Страница 98: ...ent temperature Hot Neutral Circulator X X PUMP 5 AMP 1 6 HP RATED DRY CONTACTS 1 MIN ON DELAY FAN 3 MIN ON DELAY FAN 2 MIN 24 HR PUMP 30 SEC 2 WK PUMP OFF ON Jumper or to T T on switching relay 2 Spe...

Страница 99: ...d LED light is energized only when the Priority Protection Card is operating in priority override mode Installation The PC605 can be installed in any unoccupied PowerPort terminal located on the Taco...

Страница 100: ...relative to ground H or L1 Hot side of line voltage N or L2 Neutral side of line voltage ZR 120 VAC Hot signal from switching relay to boiler s operating aquastat to fire the burner to high limit whe...

Страница 101: ...rity and 3 Power Ports SR503 EXP ARM 861 DP 5 6 ARM 3P 4 Zone Switching Relay with Priority and 3 Power Ports SR504 EXP ARM 842 DP 5 6 ARM 4P 6 Zone Switching Relay with Priority and 3 Power Ports SR5...

Страница 102: ...lt Replacement Relay SR120 001RP R 49 NOTES 1 Does not have both normally open and normally closed contacts 2 Has only one set of normally open contacts SPST 3 Does not have optional priority 4 Can be...

Страница 103: ......

Страница 104: ...t Cranston RI 02920 Telephone 401 942 8000 FAX 401 942 2360 TACO Canada Ltd 8450 Lawson Road Unit 3 Milton Ontario L9T 0J8 Telephone 905 564 9422 FAX 905 564 9436 Visit our web site at http www taco h...

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Taco SR501, Руководство по подключению

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Содержание SR501

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