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6.
NOMENCLATURES OF THE TERMINAL BLOCKS.
Nomenclature.
PB.
Grounding.
GND V1.
Group 1 Zone 1 Mixing Valve Ground.
24Vac V1.
24V alternate power mixing valve zone 1 of group 1.
V out V1.
Voltage output to mixing valve of zone 1 of group 1.
PB.
Grounding.
GND V2.
Group 2 Zone 2 Mixing Valve Ground.
24Vac V2.
24V alternate power mixing valve zone 2 of group 2.
V out V2.
Voltage output to mixing valve of zone 2 of group 2.
PB.
Grounding.
GND V3.
Group 3 Zone 3 Mixing Valve Ground.
24Vac V3.
24V alternate power mixing valve zone 3 of group 3.
V out V3.
Voltage output to mixing valve of zone 3 of group 3.
GND COM.
MOD-BUS ground connection to boiler periphery.
B COM.
MOD-BUS negative pole connection to boiler periphery.
A COM.
MOD-BUS positive pole connection to boiler periphery.
COM Z1.
Ground connection 1 MOD-BUS to ThT. *
B Z1.
Negative connection 1 MOD-BUS to thT. *
A Z1.
Positive connection 1 MOD-BUS to thT. *
COM Z2.
Ground connection 2 MOD-BUS to ThT. *
B Z2.
Negative connection 2 MOD-BUS to thT. *
A Z2.
Positive connection 2 MOD-BUS to thT. *
COM Z3.
Ground connection 3 MOD-BUS to ThT. *
B Z3.
Negative connection 3 MOD-BUS to thT. *
A Z3.
Positive connection 3 MOD-BUS to thT. *
SIG Z1.
Common connection 1 normally open thermostat. *
12Vdc SIG Z1.
1 thermostat signal connection normally open. *
SIG Z2.
Common connection 2 normally open thermostat. *
12Vdc SIG Z2.
2 thermostat signal connection normally open. *
SIG Z3.
Common connection 3 normally open thermostat. *
12Vdc SIG Z3.
3 thermostat signal connection normally open. *
NTC Z1.
Drive group 1 NTC sensor 1.
NTC Z1.
Drive group 1 NTC sensor 1.
NTC Z2.
Drive group 2 NTC sensor 2.
NTC Z2.
Drive group 2 NTC sensor 2.
NTC Z3.
Drive group 3 NTC sensor 3.
NTC Z3.
Drive group 3 NTC sensor 3.
GND.
Drive group accelerator pump ground 1.
NBZ1.
Drive Group Accelerator Pump Neutral 1.
FBZ1.
Drive Group Accelerator Pump phase 1.
GND.
Drive group accelerator pump ground 2.
NBZ2.
Drive Group Accelerator Pump Neutral 2.
FBZ2.
Drive Group Accelerator Pump phase 2.
GND.
Drive group accelerator pump ground 3.
NBZ3.
Drive Group Accelerator Pump Neutral 3.
FBZ3.
Drive Group Accelerator Pump phase 3.
Designation.
21
Explanation.
Drive group motorized mixing valve
connection 1. Mix according to setting.
(It must be done by a heating industry
professional
respecting
indicated
in
the
manufacturer's
manuals).
Drive group motorized mixing valve
connection 2. Mix according to setting.
(It must be done by a heating industry
professional
respecting
indicated
in
the
manufacturer's
manuals).
Drive group motorized mixing valve
connection 3. Mix according to setting.
(It must be done by a heating industry
professional
respecting
indicated
in
the
manufacturer's
manuals).
MOD-BUS connection between zone
manager, periphery and boiler CPU.
Opcional. ThT thermostat connection
through MOD-BUS zone 1. * Optional
Opcional. ThT thermostat connection
through MOD-BUS zone 2. * Optional
Opcional. ThT thermostat connection
through MOD-BUS zone 3. * Optional
Normally open contact thermostat
connection zone 1. (Overrides thT).
*Optional.
Normally open contact thermostat
connection zone 2. (Overrides thT).
*Optional.
Normally open contact thermostat
connection zone 3. (Overrides thT).
*Optional.
NTC to control flow temperature of
drive group 1.
NTC to control flow temperature of
drive group 2.
NTC to control flow temperature of
drive group 3.
Electrical connection ~ 230V of the
accelerator pump 1 of the impulsion
group 1.
Electrical connection ~ 230V of the
accelerator pump 1 of the impulsion
group 2..
Electrical connection ~ 230V of the
accelerator pump 1 of the impulsion
group 3.
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is
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