Toshiba ESTIA R32 HWT-401HW-E Manual page 47

Air-to water heat pump
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3-way mixing valve for 2nd zone
3-way mixing valve connection
3-way mixing valve connection
Required controller specification:
Electrical specification: 230 V; 50 Hz; <100 mA
Required Actuator Specification
The 3-way mixing valve is required in order to achieve the
Electrical Specification:230 V; 50 Hz; <100 mA
3-way mixing valve connection
The 3-way mixing valve is used to achieve the
temperature difference in a 2-zone heating system.
3-way mixing valve connection
temperature differential needed in a 2-zone heating
Required Actuator Specification
system.
3-way mixing valve connection
Required Actuator Specification
• Connect the 3-way mixing valve with terminals 8, 9 and
Electrical Specification:230 V; 50 Hz; <100 mA
• Connect the 3-way mixing valve to terminals 8, 9 and
Electrical Specification:230 V; 50 Hz; <100 mA
Required Actuator Specification
The 3-way mixing valve is used to achieve the
10 on CN22 (for Type 1 mixing valve) or on terminals
10 at CN22 (for mixing valve type 1)
The 3-way mixing valve is used to achieve the
temperature differential needed in a 2-zone heating
7, 8 and 9 on CN22 (for Type 2 mixing valve).
Electrical Specification:230 V; 50 Hz; <100 mA
temperature differential needed in a 2-zone heating
or terminals 7, 8 and 9 at CN22 (for mixing valve type 2).
system.
The 3-way mixing valve is used to achieve the
• Connect the 3-way mixing valve in accordance with
system.
• Connect the 3-way mixing valve as shown in the
temperature differential needed in a 2-zone heating
• Connect the 3-way mixing valve to terminals 8, 9 and
the diagrams below:
• Connect the 3-way mixing valve to terminals 8, 9 and
following diagrams:
system.
10 on CN22 (for Type 1 mixing valve) or on terminals
10 on CN22 (for Type 1 mixing valve) or on terminals
▼Fig.7-26
7, 8 and 9 on CN22 (for Type 2 mixing valve).
• Connect the 3-way mixing valve to terminals 8, 9 and
7, 8 and 9 on CN22 (for Type 2 mixing valve).
• Connect the 3-way mixing valve in accordance with
10 on CN22 (for Type 1 mixing valve) or on terminals
Type 1: SPDT
• Connect the 3-way mixing valve in accordance with
7, 8 and 9 on CN22 (for Type 2 mixing valve).
the diagrams below:
the diagrams below:
• Connect the 3-way mixing valve in accordance with
port "A" to Zone 2 Heating
▼Fig.7-26
▼Fig.7-26
the diagrams below:
Type 1: SPDT
Type 1: SPDT
▼Fig.7-26
port "AB" to
port "A" to Zone 2 Heating
Type 1: SPDT
port "A" to Zone 2 Heating
Hydro Unit
port "A" to Zone 2 Heating
port "AB" to
port "AB" to
Hydro Unit
Hydro Unit
port "AB" to
Hydro Unit
port "B" BLANK OFF
▼Fig.7-27
Type 2: SPST
port "B" BLANK OFF
port "B" BLANK OFF
port "A" to Zone 2 Heating
▼Fig.7-27
port "B" BLANK OFF
▼Fig.7-27
Type 2: SPST
Type 2: SPST
▼Fig.7-27
port "AB" to
port "A" to Zone 2 Heating
port "A" to Zone 2 Heating
Type 2: SPST
Hydro Unit
port "A" to Zone 2 Heating
port "AB" to
port "AB" to
Hydro Unit
Hydro Unit
port "AB" to
Hydro Unit
port "B" BLANK OFF
Hot water cylinder connection (optional)
• Please refer to "Electrical supply/cable
port "B" BLANK OFF
port "B" BLANK OFF
specifications" for fuse/cable size and for
connection details.
port "B" BLANK OFF
Hot water cylinder connection (optional)
Hot water cylinder connection (optional)
• Please refer to "Electrical supply/cable
• Please refer to "Electrical supply/cable
Hot water cylinder connection (optional)
specifications" for fuse/cable size and for
specifications" for fuse/cable size and for
connection details.
• Please refer to "Electrical supply/cable
connection details.
specifications" for fuse/cable size and for
connection details.
– 14 –
– 14 –
– 14 –
Hydro Unit
CN22
7
open
8
Hydro Unit
Hydro Unit
CN22
9
CN22
Hydro Unit
7
7
10
open
CN22
port "A"
open
close
8
8
7
open
9
9
8
10
10
port "A"
9
port "A"
close
close
10
port "A"
close
Hydro Unit
CN22
port "A"
close
7
open
8
Hydro Unit
Hydro Unit
port "A"
CN22
9
port "A"
CN22
close
close
Hydro Unit
7
10
7
CN22
port "A"
open
open
close
8
8
7
9
open
9
8
10
10
9
10
Electrical connection (electric heating system,
hot water cylinder)
• The electric heating system integrated
Electrical Connection (Hot Water Cylinder
in the hot water cylinder requires a dedicated
Electric Heater)
connection to the hydro unit.
• The electric heater, incorporated in the hot water
• Connect the hot water cylinder heating system
cylinder, requires a separate supply to Hydro Unit.
Electrical Connection (Hot Water Cylinder
as follows:
Electrical Connection (Hot Water Cylinder
• Connect the hot water cylinder heater electrical
Electric Heater)
Electric Heater)
supply in accordance with shown below:
Current-carrying: Terminal L to terminal strip 02
Electrical Connection (Hot Water Cylinder
• The electric heater, incorporated in the hot water
Live conductor: Terminal L on Terminal Block 02
• The electric heater, incorporated in the hot water
Neutral: Terminal N to terminal strip 02
Electric Heater)
cylinder, requires a separate supply to Hydro Unit.
Neutral conductor: Terminal N on Terminal Block 02
cylinder, requires a separate supply to Hydro Unit.
Grounding: Grounding terminal to terminal strip 02
• The electric heater, incorporated in the hot water
Earth Conductor: Earth terminal on Terminal Block
• Connect the hot water cylinder heater electrical
• Connect the hot water cylinder heater electrical
• Connect the hot water cylinder heating system
02
cylinder, requires a separate supply to Hydro Unit.
supply in accordance with shown below:
supply in accordance with shown below:
Live conductor: Terminal L on Terminal Block 02
• Connect the hot water cylinder heater electrical
• Connect the hot water cylinder heater to the Hydro
to the hydro unit as follows:
Live conductor: Terminal L on Terminal Block 02
Neutral conductor: Terminal N on Terminal Block 02
Unit as shown below:
supply in accordance with shown below:
Neutral conductor: Terminal N on Terminal Block 02
Current-carrying line on hot water cylinder:
Earth Conductor: Earth terminal on Terminal Block
Live conductor to hot water cylinder: Terminal 1 on
Live conductor: Terminal L on Terminal Block 02
Earth Conductor: Earth terminal on Terminal Block
Terminal 1 to terminal strip 03
02
Terminal Block 03
Neutral conductor: Terminal N on Terminal Block 02
02
Neutral conductor to hot water cylinder: Terminal 2
Neutral line on hot water cylinder:
Earth Conductor: Earth terminal on Terminal Block
• Connect the hot water cylinder heater to the Hydro
• Connect the hot water cylinder heater to the Hydro
on Terminal Block 03
02
Unit as shown below:
Terminal 2 to terminal strip 03
Unit as shown below:
Earth conductor to hot water cylinder: Earth terminal
Live conductor to hot water cylinder: Terminal 1 on
• Connect the hot water cylinder heater to the Hydro
Live conductor to hot water cylinder: Terminal 1 on
Grounding line on hot water cylinder:
on Terminal Block 03
Terminal Block 03
Unit as shown below:
Terminal Block 03
Grounding terminal to terminal strip 03
Neutral conductor to hot water cylinder: Terminal 2
Live conductor to hot water cylinder: Terminal 1 on
Neutral conductor to hot water cylinder: Terminal 2
▼Fig.7-28
on Terminal Block 03
Terminal Block 03
on Terminal Block 03
Earth conductor to hot water cylinder: Earth terminal
Neutral conductor to hot water cylinder: Terminal 2
Earth conductor to hot water cylinder: Earth terminal
on Terminal Block 03
on Terminal Block 03
Earth leakage breaker
on Terminal Block 03
Earth conductor to hot water cylinder: Earth terminal
▼Fig.7-28
▼Fig.7-28
on Terminal Block 03
2
1
▼Fig.7-28
Earth leakage breaker
Earth leakage breaker
Earth leakage breaker
1
2
2
Terminal block 02
Hot water
1
1
cylinder
2
1
1
2
1
2
Electrical Connection (Hot Water Cylinder
Terminal block 02
Hot water
Terminal block 02
temperature Sensor)
Hot water
cylinder
1
2
cylinder
• Connect the hot water cylinder temperature sensor
Electrical connection (temperature sensor,
Terminal block 02
Hot water
as shown below to terminals 1 & 2 on CN20 in the
hot water cylinder)
cylinder
Hydro Unit.
Electrical Connection (Hot Water Cylinder
Electrical Connection (Hot Water Cylinder
• Connect the temperature sensor of the hot water
temperature Sensor)
• Please ensure that the interconnecting cable,
temperature Sensor)
between the Hydro Unit and the hot water cylinder, is
cylinder to terminals 1 & 2 at CN20 in the hydro
Electrical Connection (Hot Water Cylinder
• Connect the hot water cylinder temperature sensor
• Connect the hot water cylinder temperature sensor
connected to earth at both ends of the cable using
temperature Sensor)
as shown below to terminals 1 & 2 on CN20 in the
unit as shown below.
as shown below to terminals 1 & 2 on CN20 in the
the shiel wire.
Hydro Unit.
• Connect the hot water cylinder temperature sensor
Hydro Unit.
• Make sure that the connection cable between the
as shown below to terminals 1 & 2 on CN20 in the
• Please ensure that the interconnecting cable,
• Please ensure that the interconnecting cable,
▼Fig.7-29
hydro unit and the hot water cylinder is grounded
Hydro Unit.
between the Hydro Unit and the hot water cylinder, is
between the Hydro Unit and the hot water cylinder, is
connected to earth at both ends of the cable using
• Please ensure that the interconnecting cable,
connected to earth at both ends of the cable using
at both ends with the shielded cable.
the shiel wire.
between the Hydro Unit and the hot water cylinder, is
the shiel wire.
connected to earth at both ends of the cable using
▼Fig.7-29
▼Fig.7-29
the shiel wire.
▼Fig.7-29
CN20
Hydro Unit
CN20
CN20
Hydro Unit
Hydro Unit
CN20
Hydro Unit
Installation Manual
Installation Manual
Installation Manual
Installation Manual
INPUT Power
220-240 V ~
50 Hz
INPUT Power
INPUT Power
220-240 V ~
220-240 V ~
50 Hz
50 Hz
INPUT Power
2
L N
220-240 V ~
50 Hz
L N
L N
L N
TOSHIBA I 7
TOSHIBA
28-EN
I 7
28-EN
28-EN

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