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11 Installation
configurations
TCGB0070 rev.3 - 04/2012
153
11
Installation example 8
Two space heating applications (High & Low water temperature) + Domestic Hot Water Tank + Combination with Boiler
in parallel: Two space heating application with a Room Thermostat as an option and Domestic Hot Water Tank heated by
Heat Pump and boiler combination in parallel
R410a
High Temperature
(60ºC)
Low Temperature
(35ºC)
H20
Boiler
Boiler
Signal
T
DHWT
EH
3wv DHWT
DHWT
J Two3
H WP3
Vmix
Two2
WP2
Item Description
1
Outdoor unit
2
Indoor unit
3
Heat exchanger
4
Electrical heater
5
Water pump (primary)
6
Valves (factory supplied)
7
Domestic Hot Water Tank (DHWT)
(accessory)
8
3-way valve for DHWT (accessory)
9
Second temperature kit (accessory)
10
Motorized valve (field supplied)
11
Boiler (field supplied)
12
Hydraulic separator (accessory)
13
Water pump (field supplied)
14
Hydraulic separator sensor (acces-
sory)
A
3-way valve output signal
B
DHWT electrical heater signal
C
DHWT sensor signal (accessory)
D
2nd Temperature sensor signal
(accessory)
E
Secondary water pump signal
F
Mixing valve signal
G
Boiler output signal
H
Water pump 3 signal (WP3)
J
Hydraulic sensor signal (Two3)
(accessory)
K
Optional signal