Hitachi RAS-4HRNME-AF - Page 145

11. Installation conguration
TCGB0075 rev.0 - 11/2012
145
11
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Swimming pool combination (Installation example 8)
Two space heating applications (High & Low water temperature) + optional Domestic Hot Water Tank + Swimmping pool
combination + Heating complement (Boiler or Electric heater combination): Two space heating application with a Room
Thermostat as an option and swimming pool space heated by Heat Pump and alternating boiler or supplemented by 3-sta-
ge electrical heater. Swimming pool is connected to the main circuit through a 3-way valve (ATW-3WV-01/02 accessory)
and a heat exchanger (eld supplied). Domestic Hot Water Tank is heated by Heat Pump. The LCD is integrated with the
DHW Tank or supplied as necessary accessory if indoor unit is alone.
N O T E
When YUTAKI S80 is working with a swimming pool the 3-way valve accessory is needed (ATW-3WV-01 or ATW-
3WV-02).
Item Description
1 Outdoor unit
2 Indoor unit
3 R134a compressor
4 Water pump
5 3-way valve
6 T-branch
7 Shut-off valves (eld supplied)
8 Domestic hot water tank
9
Security valve
(DHWT-SWG-01 accessory)
10
DHWT heater
(integrated with DHWT)
11
LCD controller
(integrated with DHWT)
Item Description
12
Second temperature kit
(ATW-2KT-01 accessory)
13 Motorized valve (eld supplied)
14
Aquastat
(ATW-AQT-01 accessory)
15 Boiler (eld supplied)
16
Water check valve
(ATW-WCV-01 accessory)
17 Solar Kit (eld supplied)
18
Solar pump & control
(eld supplied)
19 Solar panel (eld supplied)
20
Hydraulic separator
(ATW-HSK-01 accessory)
Item Description
21
Swimming pool heat exchanger
(eld supplied)
22
3-way valve
(ATW-3WV-01/02 accessory)
A
2nd Water Temperature sensor
(ATW-WTS-02 accessory)
B Secondary water pump
C Mixing valve
D Hydraulic separator
E Shut-off valve
F
Universal water sensor (Two3)
(ATW-WTS-02Y accessory)
G
Water pump 3 (WP3)
(eld supplied)
12
D
E
9
B
C
A
G
F
Boiler
Boiler
Signal
20
13
16
Domestic
Water
High Temperature (80ºC)
Low Temperature (35ºC)
1
7
4
6
5
3
2
DHW Tank
17
18
Solar Kit (eld supplied)
15
17
7
16
19
11
10
8
14
21
Swimming pool space (last priority)
22