Hitachi YUTAKI S80 Series - Additional Combinations

11. Installation conguration
TCGB0075 rev.0 - 11/2012
142
11.2.2 Additional combinations

Electric heater complement (Installation example 5)
Two space heating applications (High & Low water temperature) + Combination with Electric heater + optional Domestic
Hot Water Tank: Two space heating application with a Room Thermostat as an option heated by Heat Pump and supple-
mented by 3-stage electrical heater (as accessory) to provide additional heating capacity to the system (mono-energetic
system). Optional 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 in Mono-energetic system (with electric heater) the electric heater accessory is
available(WEH-6E).Additionalwatersensor(Two3)isalsonecessary.UsetheATW-WTS-02Yuniversalwater
sensor accessory if needed.
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)
Item Description
10
DHWT heater
(integrated with DHWT)
11
LCD controller
(integrated with DHWT)
12
Second temperature kit
(ATW-2KT-01 accessory)
13 Motorized valve (eld supplied)
14
Aquastat
(ATW-AQT-01 accessory)
15
Electric heater
(WEH-6E accessory)
Item Description
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)
Domestic
Water
(return)
B
C
A
High Temperature (80ºC)
Low Temperature (35ºC)
1
7
4
6
5
3
2
DHW Tank
F
13
12
11
8
10
D
E
9
15
14