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INSTALLER
7 & 11kW HRC
70
HIGH TEMPERATURE HEAT PUMP
MANUAL
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63
The two underfl oor temperature limiters (UTL1 & UTL2) MUST be
connected to terminals 1-2 and 4-5 (see § «Underfl oor heating circuit
application»)
Hydraulic schematic diagram -1 UNDERFLOOR HEATING CIRCUIT- -pool possible- +
boiler
HPCP
= circulator pump for Heat Pump circuit
C1CP
= circulator pump for heating circuit 1
FRM
= Heat Pump circuit fl ow rate monitor
SV
= 3-bar safety valve
A
= Air valve
PTS =
HRC
70
Pilot temperature sensor (or outgoing water sensor OW)
AQS
= 110°C safety aquastat with manual reset
WP
= water pressure sensor
SRV
= sludge removal valve
FV =
fi lter valve for Heat Pump circuit
V
= stop valves
EV
= expansion vessel
BPD =
backfl ow prevention device
F
= fl exible hose for Heat Pump connection
MAV
= manual air valve
HPSV
= Heat Pump safety valve set to 2.5 bar
HPIWS
= Heat Pump incoming water sensor
HPOWS
= Heat Pump outgoing water sensor
EBCP
= existing boiler circulator pump
EVE
= expansion vessel for existing installation
BSV
= existing boiler safety valve
OS
= Heat Pump HRC
70
Pilot outdoor temperature
sensor
TC1
= heating circuit 1 room thermostat
or RTS1
= room temperature sensor with display for heating
circuit 1 (available to order)
UTL1
= circuit 1 underfl oor temperature limiter
UTL2
= temperature limiting safety device for the heat
pump circulator pump
FRM SP
= fl ow rate monitor for swimming pool circuit
S pool
= swimming pool sensor (optional extra included in
swimming pool kit)
C pool
= swimming pool circuit circulator pump
3WV
= 3-way valve for radiator circuit (winter) or swimming pool circuit
(summer)
BCV
= boiler check valve