11 Installation
configurations
TCGB0070 rev.3 - 04/2012
150
Installation example 3
Two space heating applications (High & Low water temperature): When the split air to water heat pump is connected to two
different heating circuits, circuit 1 will be direct (high temperature for radiator operation) and circuit 2 will be a mixing circuit
in order to have a second temperature control using mixing valve (low temperature for floor heating operation). Optional
Room Thermostat
Item Description
1
Outdoor unit
2
Indoor unit
3
Heat exchanger
4
Electrical heater
5
Water pump (primary)
6
Valves (factory supplied)
9
Second temperature kit (acces
-
sory)
10
Motorized valve (field supplied)
D
2nd Temperature sensor signal
(accessory)
E
Secondary water pump signal
F
Mixing valve signal
K
Optional signal
R410a
High Temperature (60ºC)
Low Temperature (35ºC)
H20
Two2
WP2
Vmix
Installation example 4
Two space heating applications (High & Low water temperature) and Domestic Hot Water Tank: Two space heating appli
-
cations with optional Room Thermostat and Domestic Hot Water Tank heated by Heat Pump.
6
9
E
D
F
10
2
3
4
5
6
7
8
A
B
C
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 (acces
-
sory)
10
Motorized valve (field supplied)
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
K
Optional signal
R410a
H20
Vmix
WP2
Two2
High Temperature
(60ºC)
Low Temperature
(35ºC)
T
DHWT
EH DWHT
3-WAY VALVE