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Taco Low Water Cutoff Replacement Guide

Bold / Italics Indicates Discontinued Part Number

Taco

McDonnell & Miller

Hydrolevel

Honeywell

LFA1203S-1

LTA1203N-1
LTA1203S-1

PS-801-120
PSE-801-120

PS-800-120
PS-850-120
900
900C

450
CG450
CGT450

OEM170TD

RW700A1031
RW700A1056
RW700A1080

LFM1203S-1

LTM1203N-1
LTM1203S-1

PS-801-M-120
PS-851-M-120
PS-851-SP-M-120

PS-850-M-120
900M
901M
902M

550
550SV
750

OEM170MC
OEM170M

RW700B1054
RW700B1039
RW700B1021

LFA0243S-1

LTA0243N-1
LTA0243S-1

PS-802-24
PSE-802-24

PS-800-24
PS-850-24

400
CG400

OEM24TD

RW700A1098

LFM0243S-1

LTM0243N-1
LTM0243S-1

PS-802-M-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

LFM1202R-1

LTM1202R-1

PS-851-M-RX2-120

550R

LFA0242R-1

LTA0242R-1

PS-802-RX2-24

400R

LTA0243S-2

LNA0243S-1

PS-852-24
PS-852-SP-24
750-MT-SP-24
750P-MT-24
750P-MT-U-24

24
24SV
600
600SV

OEM24C

LTA1203S-2

LNA1203S-1

RB-120
RB-122E
PS-851-120
PS-851-SP-120
750P-MT-120
750P-MT-SP-120
750P-MT-U-120

901
RB-120II
RB-122

170
170SV
1150
650
650SV

OEM170C
OEM170

RW700A1007
RW700A1006

LTR0243T-1

RB-24E

RB-24

1100

P3R-1

RS-1-BR-1
RS-1-LP
RS-1-LP-S

EL1214-R

EWF120

WFE-120

WF2-U-120V
WF-2-120
WF-4-120

VRTX-120

V-120-1&2

VW400A1004

EWF024

WFE-24

WF2-U-24V
WF-2-24
WF-4-24

VRTX-24

V-24-1&2

VW800A1004

Содержание HAFC101

Страница 1: ...ls 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 Controls HAFC 101 201 47 51 Specialty Thermostat and Zone Valve Wiring 52 56 Radiant Mixing Block 57 58 X Pump Block 59 61 iSeries Mixing Valves 62 63 Low Water Cutoffs and Electric Water Feeders 64 79 Aqu...

Страница 2: ......

Страница 3: ...ols 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 Options and Expandable to 20 Zones Product No Description ZVC404 EXP 4 Zone Valve Control with Priority and 2 PowerPorts ZVC406 EXP 6 Zone Valve Control with Priority and 2 PowerPorts Plug In PowerP...

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 WITH 24 VAC SIGNAL POWER LIGHT WILL ALWAYS BE OFF 24 VAC SIGNAL Note When using Alternative Wiring diagram the boiler oper ating control s ZC terminal will see the load of the circulator s Warning When ...

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

Страница 6: ...RVICE 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 OFF PRIORITY 120V RELAY FUSE 1 AMP 24 VAC POWER ZONE 1 ZONE 2 ZONE 3 ZONE 4 120 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 L1 L2 ...

Страница 7: ...POWER 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 X2 THREE ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY T A T BOILER H N SLAVE MASTER AQUASTAT ON DHW HEATER ZONE 2 POWER ZONE 1 ZONE 3 DHW HEATER CIRCULATOR PRIORITY ON VIA JUMPER PLACEMENT PRIORITY OF...

Страница 8: ...NE3 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 FUSE 1 AMP 120 VOLT CIRCULATORS ZONE1 ZONE2 ZONE3 JUMPERS N P ZC H X ZR 1 X2 THREE ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY T A T MASTER ZONE 2 POWER ZONE 1 ZONE 3 SLAVE T PRIORITY ON VIA JUMPER PLAC...

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 AMP 24 VAC POWER 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 JUMP...

Страница 10: ...20 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 IN 120 VAC INPUT THERMOSTAT BOILER PRIORITY PRIORITY ZONING CIRCULATOR PR IN PR OUT LIVE NEUT 1 2 3 4 THERMOSTATS BOILER H N A AQUASTAT ON DHW HEATER MASTER SLAVE PRIORITY ON REMOVE JUMPER PRIORITY ...

Страница 11: ...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 T T H N FOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY FOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY SLAVE SLAVE PRIORITY OFF PRIORITY OFF T T 24 VAC POWER ON OFF PRIORITY POWER IN THERMOSTAT BOILER PRIORITY PRIORITY...

Страница 12: ...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 A SR 503 ZONE1 ZONE2 ZONE3 24 VAC POWER FUSE 1 AMP ZONE1 ZONE2 ZONE3 JUMPER N P ZC H X ZR 1 X 2 ZONE 2 POWER ZONE 1 TWO ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY PRIORITY ON FOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY FOUR ZONE SWITCH...

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 T T H N T DHW CIRCULATOR JUMPER R W T T COM 24 VAC N O N C N C N O N H 3 4 4 5 6 6 SR501 POWER T STAT 120 VAC INPUT 1 ZONE SWITCHING RELAY AQUASTAT ON DHW HEATER A T MASTER SLAVE SLAVE REMOVE JUMPER...

Страница 14: ...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 MASTER SLAVE T REMOVE JUMPER PRIORITY OFF DHW CIRCULATOR POWER T STAT TO TT ON BOILER AQUASTAT ON DHW HEATER N ZC ZR H H H POWER INPUT 120VAC INPUT 120VAC OUTPUT CIRC OUTPUT PRIORITY OUTPUT RESET POWER CONTROLS FUSE 1 AMP NORMAL MASTER SLAVE END SWITCH ZONE VALVE THERMOSTAT EXPANSION X COM T...

Страница 15: ...ER 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 ZONE VALVE OPENS 1 2 3 4 ZONE 6 PRIORITY ZONE JUMPER 3 4 SEE NOTE Note When a circulator is used on the priority zone instead of a zone valve jumper 3 and 4 of the priority zone T T T 120 VAC INPUT DH...

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 2 3 4 EXPANSION SR504 EXP SIX ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE 6 ON OFF PRIORITY 120V RELAY PLUG IN CARDS FUSE 1 AMP SLAVE MASTER RESET NORMAL 120 VOLT CIRCULATORS ZC ZR X X END SWITC...

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 ZR 1 X 2 ZONE 2 POWER ZONE 1 TWO ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY A PRIORITY OFF FOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY FOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ZONE NOT ...

Страница 18: ...INPUT 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 PRIORITY ZONE 4 ON OFF PRIORITY 120V RELAY FUSE 1 AMP 24 VAC POWER MASTER PLUG IN CARDS RESET NORMAL SLAVE POWER CONTROL INTERFACE ZONE 1 ZONE 2 ZONE 3 ZONE 4 120 VOLT CIRCULATORS ZC ZR X X END SWITC...

Страница 19: ...t 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 NORMAL MASTER SLAVE END SWITCH ZONE VALVE THERMOSTAT EXPANSION X COM T W T R X 1 1 2 2 4 3 JUMPER TO OPTIONAL ZONE VALVE OR iSeries MIXING VALVE MODE FUSE 5 AMP SR 501 EXP H N T 17 ...

Страница 20: ...EN 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 ZONE 4 ON OFF PRIORITY 120V RELAY 120 VOLT CIRCULATORS ZC ZR X X END SWITCH POWER INPUT 120 VAC INPUT ZONE1 ZONE2 ZONE3 ZONE4 ZONE1 ZONE2 ZONE3 ZONE4 FUSE 1 AMP 24 VAC POWER SR 504 ZONE 2 POWER ZONE 1 Z...

Страница 21: ...TOR 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 Zone Valve Control Using an SR501 EXP and PC700 Boiler Reset Control 120 VAC INPUT BOILER H N EXISTING ZONE CONTROL DHW HEATER CIRCULATOR POWER T STAT TO TT ON BOILER END SWITCH RESET OVERRIDE THERMOSTA...

Страница 22: ...ZONE 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 OUTDOOR SENSOR PC700 Boiler and Zone Control s need to be on same power supply same circuit breaker 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 PRIO...

Страница 23: ...NE 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 BOILER SENSOR OUTDOOR SENSOR PC700 BOILER SWITCH SETTINGS Master Slave Master Reset Normal Reset Priority Zone On or Off SR 504 EXP T 21 PC700 Boiler Reset Control Connected to EXP Switching Relay ...

Страница 24: ...LATORS 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 BOILER 1 DHW DEMAND SWITCH SETTINGS Master Slave Master Reset Normal Normal Priority Zone On or Off SR 504 EXP WIRING NEEDED ONLY IF PRIORITY ZONE IS DHW SYSTEM CIRCULATOR OPTIONAL T PC702 2 Stage Boil...

Страница 25: ...OR 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 MUST BE SET TO NORMAL THE PC705 2 WILL NOT RESET THE BOILER WHEN IN THE NORMAL MODE NOTE B WHEN SYSTEM CIRCULATOR IS CONNECTED TO RED WIRE ON PC705 2 THE CIRCULATOR WILL OPERATE ONLY WHEN THERMOSTAT CA...

Страница 26: ...EN 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 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 4 120 VAC INPUT 120 VOLT CIRCULATORS ZC ZR X X END SWITCH ZONE1 ZON...

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 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 POWER CONTROL INTERFACE THERMOSTATS ZONE 1 ZONE 2 ZONE 3...

Страница 28: ...ITCHING 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 4 120 VAC INPUT 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 SWITCH SETTINGS Master Slave Slave Reset Normal Normal Priority ...

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 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 POWER ZONE 1 ZONE 3 ZONE 4 H N SWITCH SETTINGS Master Slave Slave Reset Normal Norm...

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 POWER ZONE 1 ZONE 3 ZONE 4 JUMPER H N SWITCH SETTINGS Master Slave Slave Reset Normal Normal Priority Zone No Priority 1 2 3 4 EXPANSION 1 2 3 4 EXPANSION ZONE CONTROL BOIL SEN OUT SEN BOILER SENSOR OUTD...

Страница 31: ...THERMOSTAT 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 TRANSFORMER 120 VAC INPUT WHITE BLACK END SWITCH N O COM N C TO BOILER AQUASTAT RELAY POWER IN 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT WHITE BLACK BOILER H N SYSTEM PUMP SYSTEM PUMP AND BOILE...

Страница 32: ...TAT 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 TRANSFORMER 120 VAC INPUT WHITE BLACK N O COM ZONE 6 RELAY DRY CONTACTS END SWITCH EXTRA END SWITCH MAIN N C TO BOILER AQUASTAT RELAY BOILER H N SYSTEM PUMP A AQUASTAT ON DHW HEATER SYSTEM PUMP AND ...

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 INPUT WHITE BLACK N O COM ZONE 6 RELAY END SWITCH EXTRA END SWITCH MAIN N C 1 2 3 4 ZONE 6 PRIORITY ZONE JUMPER 3 4 SEE NOTE TO BOILER AQUASTAT RELAY BOILER H N DHW PUMP Note When a circulator is us...

Страница 34: ...E 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 WHITE BLACK N O COM ZONE 6 RELAY END SWITCH EXTRA END SWITCH MAIN N C 1 2 3 4 ZONE 6 PRIORITY ZONE JUMPER 3 4 SEE NOTE TO BOILER AQUASTAT RELAY BOILER H N DHW PUMP Note When a circulator is used on t...

Страница 35: ...E 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 EXTRA END SWITCH MAIN N C 1 2 3 4 ZONE 6 PRIORITY ZONE JUMPER 3 4 SEE NOTE TO BOILER AQUASTAT RELAY BOILER H N DHW PUMP Note When a circulator is used on the priority zone instead of a zone valve jump...

Страница 36: ...SEE 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 4 ZONE 1 ZONE 2 2 WIRE ZONE VALVE NO END SWITCH JUMPER 3 4 TACO 3 WIRE ZONE VALVE 1 2 3 THERMOSTAT THERMOSTAT THERMOSTAT 1 2 3 4 ZONE 3 MOTOR END SWITCH 4 WIRE ZONE VALVE POWER OPEN SELF CLOSING T S...

Страница 37: ...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 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 SELF CLOSING 1 2 3 4 MASTER SLAVE POWER CONTROLS PLUG IN CARDS PRIORITY TACO INC ZVC406 EXP T STAT 1 T STAT 2 T STAT 3 T STAT 4 T STAT 5 T ST...

Страница 38: ...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 JUMPER 3 4 MOTOR END SWITCH 4 WIRE ZONE VALVE POWER OPEN SELF CLOSING 1 2 3 4 MASTER SLAVE POWER CONTROLS PLUG IN CARDS PRIORITY TACO INC ZVC406 EXP T STAT 1 T STAT 2 T STAT 3 T STAT 4 T STAT 5 T STAT 6 POWER ON VA...

Страница 39: ...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 MOTOR END SWITCH 4 WIRE ZONE VALVE POWER OPEN SELF CLOSING 1 2 3 4 MASTER SLAVE POWER CONTROLS PLUG IN CARDS PRIORITY TACO INC ZVC406 EXP T STAT 1 T STAT 2 T STAT 3 T STAT 4 T STAT 5 T STAT 6 POWER ON VALVE 1 VA...

Страница 40: ...E 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 SELF CLOSING 1 2 3 4 MASTER SLAVE POWER CONTROLS PLUG IN CARDS PRIORITY TACO INC ZVC406 EXP T STAT 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...

Страница 41: ...TAT 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 POWER IN 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT WHITE BLACK TO BOILER AQUASTAT RELAY DRY CONTACTS N O COM ZONE 6 RELAY N C END SWITCH A PUMP END SWITCH B BOILER ZONE CONTROL BOIL SEN OUT SEN ...

Страница 42: ...OWER 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 INPUT WHITE BLACK N O COM ZONE 6 RELAY N C END SWITCH A PUMP END SWITCH B BOILER SYSTEM CIRCULATOR H N BOILER 2 ZONE CONTROL BOIL SEN OUT SEN BOILER SENSOR OUTDOOR SENSOR PC702 STAGE 1 STAGE 2 BOILER 1...

Страница 43: ...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 INPUT WHITE BLACK TO BOILER AQUASTAT RELAY DRY CONTACTS N O COM ZONE 6 RELAY N C END SWITCH A PUMP END SWITCH B BOILER H N BOILER 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT WHITE BLACK ZONE CONTROL ...

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 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 NO END SWITCH TACO 3 WIRE ZONE VALVE 1 2 3 JUMPER 3 4 MOTOR END SWITCH 4 WIRE ZONE VALVE POWER OPEN SELF...

Страница 45: ...NE 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 POWER CONTROLS PLUG IN CARDS PRIORITY TACO INC ZVC406 EXP T STAT 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 ...

Страница 46: ...NTROL 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 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 NO END SWITCH TA...

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 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 POWER CONTROLS PLUG IN CARDS PRIORITY TACO INC ZVC406 ...

Страница 48: ...4 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 3 4 MASTER SLAVE POWER CONTROLS PLUG IN CARDS PRIORITY TACO INC ZVC406 EXP T STAT 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 EXP...

Страница 49: ...tional 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 Condenser Unit 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 Jumper M Fan Relay Line 24 VAC LOW HIGH T ...

Страница 50: ...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 Condenser Unit 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 T ...

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 DELAY FAN 2 MIN 24 HR PUMP 30 SEC 2 WK PUMP OFF ON Jumper or to T T on switching relay HAFC 201 WITH 1 SPEED AIR HANDLER Both HFC 101 and HAFC 201 are capable of 1 and 2 speed applications Dry Contacts ...

Страница 52: ...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 DELAY FAN 2 MIN 24 HR PUMP 30 SEC 2 WK PUMP OFF ON or to T T on switching relay HAFC 201 WITH 2 SPEED AIR HANDLER Both HFC 101 and HAFC 201 are capable of 1 and 2 speed applications T T on Boiler or Switching Relay M Lo...

Страница 53: ...OSTAT 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 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 OPTIONAL POWER WIRE TO THERMOSTAT THAT REQUIRES 24VAC OPTIONAL POWER WIRE TO TH...

Страница 54: ...l 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 TACO TYPE 1 2 3 MOTOR END SWITCH THERMOSTAT THERMOSTAT THERMOSTAT 4 WIRE 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...

Страница 55: ...E 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 WHITE BLACK END SWITCH T T TO T T ON BOILER OR PUMP RELAY POWER IN 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT WHITE BLACK BLACK RED BLACK RED RIGHT TT SCREW SEE NOTE 4 1 2 NOTE WHEN USING ZVC 4...

Страница 56: ...ALVE 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 BLACK END SWITCH T T TO T T ON BOILER OR PUMP RELAY POWER IN 24 VAC FACTORY INSTALLED TRANSFORMER 120 VAC INPUT WHITE BLACK BLACK RED BLACK RED RIGHT TT SCREW SEE NOTE 4 6 2 3 NOTE WHEN USING ZVC 404 OR ...

Страница 57: ...P 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 AQUASTAT CONTROL TO TT ON AQUASTAT CONTROL T 1 2 3 24 VAC TRANSFORMER THERMOSTAT 55 ...

Страница 58: ...E 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 CONTACTS END SWITCH EXTRA END SWITCH MAIN N C TO BOILER AQUASTAT RELAY BOILER H N SYSTEM PUMP A AQUASTAT ON DHW HEATER SYSTEM PUMP AND BOILER TURN ON WHEN ANY ZONE VALVE OPENS 1 2 3 4 ZONE 6 PRIORITY Z...

Страница 59: ...or 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 Boiler Sensor Outdoor Sensor H N ComSup BoilOut Heat Dem Com Com Boiler Sys Ret RMB Back of Control H N Power Input Thermostat Dry Contact N Off Enable On Control Boiler Operation Pump High Mass Boiler T ...

Страница 60: ...RITY 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 ZONE2 ZONE1 ZR ZC END SWITCH X X THREE ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY SR503 EXP FUSE 1 AMP 24 VAC POWER ON OFF ZONE 3 PRIORITY RESET NORMAL POWER CONTROL INTERFACE MASTER SLAVE 1 2 3 4 E...

Страница 61: ...onstant 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 Var Pump Fuse Front of Control Manual Operation Switch X Pump Block Single Zone Input from Heat Source Output to System HEAT SOURCE Supply Sensor Exp Tank Pressure Relief H N ComSup BoilOut Heat Dem...

Страница 62: ...nable 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 X1 ZR X2 FUSE 1 AMP 24 VAC POWER TWO ZONE SWITCHING RELAY SR 502 ZONE1 ZONE2 ZONE1 ZONE2 N P ZC H X1 ZR X2 FUSE 1 AMP 24 VAC POWER TWO ZONE SWITCHING RELAY SR 502 ZONE1 ZONE2 ZONE1 ZONE2 Power Cord P...

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 prevent ghost flow when the variable speed injection pump is off and either the boiler pump or system pump is on Note 2 There must be at least 6 pipe diameters of straight pipe on either side of the tees ...

Страница 64: ...HING 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 iSeries Mixing Valve iValve R System Supply Sensor Boiler Return Sensor optional 24 V ac Transformer iValve S or Back of Control End Switch SENSOR COMMON C R 24 VAC POWER INPUT BOILER POWER GREEN SENS...

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 ZONE VALVE CONTROL ZVC 403 1 2 3 4 ZONE 1 1 2 3 4 ZONE 2 1 2 3 4 ZONE 3 END SWITCH ZONE 1 T T ZONE 2 T T ZONE 3 T T FUSE 5 AMP MAX N O N C COM iValve 4 Way Mixing Working with Zone Valve Control iSer...

Страница 66: ...odel 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 CLASS 2 TRANSFORMER 24 VAC HOT COMMON Alternate Wiring ...

Страница 67: ...ing 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 CONTROL MODULE Wiring Instructions 1 Plug the 4 pin connector on the wiring harness 1 as shown into the integrated control module 2 Plug the 4 pin connector on the wiring harness 2 as shown into the LTR ...

Страница 68: ...and 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 NOTE For 24 VAC models LNA024xx and 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 exte...

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 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 ter...

Страница 70: ...s 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 H and N 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 termi...

Страница 71: ...M 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 LFM1202R 1 LTM1202R 1 PS 851 M RX2 120 550R LFA0242R 1 LTA0242R 1 PS 802 RX2 24 400R LTA0243S 2 LNA0243S 1 PS 852 24 PS 852 SP 24 750 MT SP 24 750P MT 24 750P MT U 24 24 24SV 600 600SV OEM24C LTA1203...

Страница 72: ...CIRCUIT 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 HOT NEUTRAL 120 VAC CIRCUIT McDONNELL MILLER PS 801 851 120 w Red Amber LEDs Series 750 1 2 3 4 5 HYDROLEVEL 450 550 650 750 2 1 P1 P2 A BURNER CIRCUIT HOT NEUTRAL 120 VAC CIRCUIT N H C W B McDONNELL...

Страница 73: ...CIRCUIT 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 CIRCUIT HOT NEUTRAL 120 VAC CIRCUIT HYDROLEVEL 400 500 600 700 2 1 P1 P2 A BURNER CIRCUIT HOT NEUTRAL 120 VAC CIRCUIT N H C W B McDONNELL MILLER PS 802 852 24 24 VAC TRANSFORMER 24 VAC TRANSFORMER BURN...

Страница 74: ...ALLED 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 H B C GN H P1 P2 A HYDROLEVEL 170SV BURNER CIRCUIT HOT NEUTRAL 120 VAC CIRCUIT 24 VAC TRANSFORMER BURNER CIRCUIT HOT NEUTRAL 120 VAC CIRCUIT 24 VAC TRANSFORMER BURNER CIRCUIT HOT NEUTRAL 120 VAC CIRC...

Страница 75: ...low 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 White Wire Red Wire 2 1 P1 P2 A BURNER CIRCUIT HOT NEUTRAL 24 VAC CIRCUIT JUMPER HYDROLEVEL 24 24 VAC Models with 120 VAC Burner Circuits TACO LTA0243S 2 N H COM NC NO BURNER CIRCUIT HOT NEUTRAL 120 VAC ...

Страница 76: ...NSTALLED 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 N Ta co E W F0 24 LW 24 V AC CIRC UIT HOT NE U TR AL Taco LFx 024x BUR NER CIRC UIT 12 0 V A C CIRC UIT HOT NE U TR AL H N Ta co E W F1 20 LW 24 V AC CIRC UIT HOT NE U TR AL N O TE R em ove f actory...

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 GND P BURNER CIRCUIT HOT NEUTRAL H N LW 120 V A C C IRC U IT N H W B M cDo nnell Mill er P S 801 851 120 w R ed G r een L E D s 1 2 4 5 M cDo nnell Mill er P S 801 851 120 w Red Am be r LE D s S erie...

Страница 78: ...ed 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 WF2 U 120 120VAC SUPPLY 50 60 Hz H N N H COM NC NO AC POWER OUTPUT CONTACTS N H W 1 2 3 BURNER SWITCH POSITION 2 M M 2 3 0R Note on switch position Switch setting 1 M M the feed cycle repeats indefi...

Страница 79: ...voltages 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 Hz H N N H COM NC NO AC POWER OUTPUT CONTACTS BURNER Set Safgard as desired WHITE BLACK 24 VAC LWCO Using Burner Circuit Power Source Remove jumper between H and COM if using power source other than...

Страница 80: ...voltages 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 FEEDER 120VAC SUPPLY 50 60 Hz H N N H COM NC NO AC POWER OUTPUT CONTACTS BURNER Set Safgard as desired WHITE RED BLACK 24 VAC LWCO Using Burner Circuit Power Source Remove jumper between H and COM if u...

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 4 5 McDonnell Miller RB 24 Red Wire White Wire Yellow Wire Yellow Wire Hydrolevel 24 1 2 P1 P2 A Hydrolevel 170 H GN P1 P2 A Hydrolevel 1100 Red Wire White Wire Yellow Wire Yellow Wire Hydrolevel 115...

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 SWITCH TV T Z L1 HOT L2 NEUTRAL CIRCULATOR ON BOILER IF ATTACHED L1 C2 L2 TACO ZONE CONTROL HONEYWELL L8124E OR EQUAL 120 VAC INPUT C1 LOW VOLTAGE GAS VALVE END SWITCH B1 B2 ...

Страница 83: ...LAY 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 END SWITCH L1 L2 T T L1 HOT L2 NEUTRAL LINE VOLTAGE OIL BURNER RELAY OR GAS VALVE CIRCULATOR ON BOILER IF ATTACHED C1 B2 B1 TACO ZONE CONTROL HONEYWELL L8148A OR EQUAL 120 VAC INPUT C2 END SWITCH 3 ...

Страница 84: ...Z 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 OR L1 L2 B2 C2 B1 L1 HOT L2 NEUTRAL OIL BURNER AND IGNITION CIRCULATOR ON BOILER IF ATTACHED T T F F TACO ZONE CONTROL HONEYWELL L8182D OR EQUAL 120 VAC INPUT ZC ZR END SWITCH C1 CAD CELL ...

Страница 85: ...OT 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 SWITCHING RELAY ZC ZR N H X X END SWITCH L1 L2 T T L1 HOT L2 NEUTRAL LINE VOLTAGE OIL BURNER RELAY OR GAS VALVE CIRCULATOR ON BOILER IF ATTACHED B2 C2 B1 ZR HONEYWELL L8124M OR EQUAL 120 VAC INPUT C1 ZC T T...

Страница 86: ...20 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 BOILER IF ATTACHED T T F F HONEYWELL L8182D OR EQUAL 120 VAC INPUT ZC ZR C1 CAD CELL T THERMOSTAT IF INDEPENDENT ZONE TACO SWITCHING RELAY ZC ZR N H X X END SWITCH ...

Страница 87: ...TOR 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 CIRCULATOR ON BOILER IF ATTACHED L1 C2 L2 120 VAC INPUT C1 B1 B2 Z TACO LTR0243T 1 YEL RED WH YEL GRN G FACTORY WIRING unplug from B1 terminal MALE CONNECTOR HONEYWELL L8148E FEMALE CONNECTOR NOTE The gr...

Страница 88: ...VE 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 L1 C2 L2 120 VAC INPUT C1 LOW VOLTAGE GAS VALVE B1 B2 HONEYWELL L8148E TACO LNA120 OR LTA120 2 N H COM NC NO SPILL SWITCH B R Z G TO THERMOSTAT 86 ...

Страница 89: ...y 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 in the USA Operation Connect a thermostat to the T T terminals on the switching relay When the thermostat calls for heat the relay is energized and power is given to the circulator Power Input Connect...

Страница 90: ...ABLE 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 R845 RA89A RA832 OR COMPARABLE RELAY Terminal Description T T Thermostat Connection L2 Neutral wire of power input L1 Hot wire of power input 3 Common terminal for 4 4 Normally open terminal 6 Normally ...

Страница 91: ...ternal 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 both the appropriate circulator and red indicating light is energized Warning Wiring connections must be made in accordance with all applicable electrical codes and these instructions Use copper wire o...

Страница 92: ...3 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 Factory Tested Isolated End Switch Contractor Friendly PC Board Layout Universal Thermostat Compatibility UL Approved 24 volt Power Input or Output Terminal Extended 3 Year Warranty Made in the USA ...

Страница 93: ...terminal 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 power input to terminals N and H Neutral wire to terminal N Hot wire to terminal H Expansion Connections Set the expansion switch to MASTER on the switching relay that has the designated priority zone ...

Страница 94: ...ation 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 setting and is actu ated all other zones will stop operation until zone 6 is satisfied When zone 6 is not switched to priority all zones will operate independently Mode Operation When the mode switch is...

Страница 95: ...g 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 gauge wire recom mended for 120 VAC connections with 9 in lbs max torque 12 22 gauge wire for thermostat connections with 9 in lbs max torque and 12 22 gauge wire for 24 VAC source with 5 in lbs max...

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 application Taco now provides the products to maximize system performance while simplifying both instal lation and service Wiring Diagram Specifications PRODUCT NUMBER TRANSFORMER MAX OUTPUT DIMENSIO...

Страница 97: ...Port 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 Controls may be daisy chained up to 20 zones using any combination of Switching Relay EXP or Zone Valve EXP controls The Taco Connection Combine the reliability of the Taco Zone Valves Priority Zoning Circ...

Страница 98: ...ient 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 Speed Air Handler THERMOSTAT Optional 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 Co...

Страница 99: ...ed 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 Expandable EXP Control s Do not remove the shunt between pins 9 10 on the Expandable Control unless a PC600 is also installed Align the connector on the base of the priority protection card with the ...

Страница 100: ...C 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 when any zone calls for heat Also ideal for controlling primary circulator ZC 120 VAC Hot signal from boiler s operating aquastat to switching relay allowing circulator s to run when aquastat is above t...

Страница 101: ...ority 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 SR506 EXP ARM 866 DP 5 6 ARM 6P ZONE VALVE CONTROLS 3 Zone Valve Control ZVC403 7 AZ 3 R8889A1014 4 Zone Valve Control with Priority ZVC404 7 AZ 4P R8889B1012 5 Zone Valve Control ZVC405 7 AZ 5 VL500 8 ...

Страница 102: ...olt 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 expanded to five and six zones with the addition of EXP10 relays 5 Argo ARM units are expandable to 10 zones using special controls ARM 1 ARM 4 with a phone jack TACO switching relays can be expande...

Страница 103: ......

Страница 104: ...et 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 hvac com Printed in USA Copyright 2010 TACO Inc ...

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