Taco PC705-2 User Manual

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Reference Applications PC 705-2
Drawing 3/705-2: Radiant Floor Heating, High Temperature heating with DHW generation Drawing 4/705-2: Radiant Floor Heating, High Temperature heating with 2 boilers and DHW generation
120 V (ac)
T
Outdoor
Sensor
T
T
Outdoor
Sensor
Boiler
Sensor
Supply
Sensor
Priority Zone
Switch set to ON
Priority Zone
Switch set to OFF
Boiler
Sensor
(optional)
120 V (ac)
T
Outdoor
Sensor
T
T
T
T
T
T
T
Outdoor
Sensor
Boiler
Sensor
Supply
Sensor
Priority Zone
Switch set to ON
Priority Zone
Switch set to OFF
Boiler
Sensor
(optional)
T
T
POWER
Zone 3
Zone 2
Zone 1
INPUT
END
SWITCH
ZR
X
X
ZC
Zone 3
Zone 2
Zone 1
Taco Zone Control SR 503-EXP
Boiler
Pump
Boiler
Pump
Injection
Pump
Injection
Pump
DHW
Tank
POWER
Zone 3
Zone 2
Zone 1
INPUT
END
SWITCH
ZR
X
X
ZC
Zone 3
Zone 2
Zone 1
Taco Zone Control SR 503-EXP
A
Expansion Switch
set to Master
Mode Switch set to
Normal
Expansion Switch
set to Slave
Mode Switch set to
Normal
PC
705-2
PC
702-1
PC
700-2
DHW
Tank
POWER
Zone 3
Zone 2
Zone 1
INPUT
END
SWITCH
ZR
X
X
ZC
Zone 3
Zone 2
Zone 1
Taco Zone Control SR 503-EXP
POWER
Zone 4
Zone 3
Zone 2
Zone 1
INPUT
END
SWITCH
ZR
X
X
ZC
Zone 4
Zone 3
Zone 2
Zone 1
Taco Zone Control SR 506-EXP
Zone 5
Zone 6
Zone 5 Zone 6
A
Expansion Switch
set to Master
Mode Switch set to
Reset
Expansion Switch
set to Slave
Mode Switch set to
Normal
PC
705-2
*
*
* Same power supply circuit must be used
* Same power supply circuit must be used

Taco PC705-2 Specifications

General

Brand	Taco
Model	PC705-2
Category	Controller
Language	English