Panasonic Aquarea WH-SDC09H3E5-1 - Page 32

58 Aquarea air-to-water heat pumps - Planning and installation manual - 01/2018
Product Description
59
Aquarea air-to-water heat pumps - Planning and installation manual - 01/2018
Product Description
4.7.2 External interfaces (in-/outputs)
The Aquarea heat pumps offer the option of connecting useful accessories through external
interfaces, such as an external room thermostat or integrating the heat pump in a GLT system.
4.7.2.1 External interfaces for F- and G-Generation models
The overview of external interfaces is valid for the following models:
Split systems Compact systems
HT
WH-SHF09F3E5+WH-UH09FE5
HT
WH-MHF09G3E5‘
WH-SHF12F6E5+WH-UH12FE5 WH-MHF12G6E5
WH-SHF09F3E8+WH-UH09FE8 WH-MHF09G3E8
WH-SHF12F9E8+WH-UH12FE8 WH-MHF12G9E8
Overview of the External Interfaces
CLOSE OPEN N
1 2 3 4
5 6
7 8
9 10
11 12
13 14 15 16
17 18
19 20
21
22 23
CLOSE OPEN CLOSE OPEN N
COOL
HEAT N L
N
2-way valve 3-way valve E-Heating
element hot
water tank
Room
thermostat
Temperature
sensor for hot
water tank
Overload
protection for hot
water tank
External control
signal
Solar 3-way
valve
Solar pump
station
Terminals Connection Function Condition Cable cross
section
1 to 3 2-way valve Output for actuation of the 2-way valve
(e.g.foroorheating,cooling)
3×min.
0.5mm²
4 to 6 3-way valve Output for actuation of the 3-way valve
(e.g.forheating,domestichotwatertank)
3×min.
0.5mm²
Earth to 8 E-Heating element hot
water tank
Output for on/off switch of the E-heating
element hot water tank
The maximum power output of the
E-heating element hot water tank should
bemaximum3kW.
3×min.
1.5mm²
9 to 12 Room thermostat Input for room thermostat signals 4,or3×min.
0.5mm²
13 to 14 Overload protection
for domestic hot water
tank
Input for overload protection of the
domestic hot water tank
The terminals 13/14 must be used if
overload protection is not used for the hot
watertank.
2×min.
0.5mm²
15 to 16 Temperature sensor of
the hot water tank
Input for temperature sensor of the
domestic hot water tank
2×min.
0.5mm²
17 to 18 Ext.controlsignal Input for the external control signal These two terminals are bridged at the
timeofdispatch.Connection:1-pin(min.
3 mm contact distance)
2×min.
0.5mm²
19 to 21 Solar 3-way
valve
Output for actuation of the solar 3-way
valve
3×min.
0.5mm²
22 to 23 Solar pump station Input of the ON signal of solar pump 2
(230 V AC)
Use additional PCB CZ-NS1P, CZ-NS2P
orCZ-NS3P.
2×min.
0.5mm²
SG Ready Control
  Drycontactwithtwoinputs(Vcc-Bit1andVcc-Bit2).Thefollowingsettingsarepossible:
Operating state SG-Ready-Signal
Vcc-Bit1 Vcc-Bit2
1 HeatPumpLock:HeatpumpandE-heatingelementareswitchedoff. 1 0
2 Automatic operation Heat pump runs in normal mode 0 0
3 Increased operating: Power setting 1 (in %) for heating and domestic water 0 1
4 Maximum operation: Power setting 2 (in %) for heating and domestic water 1 1
  Thefunctionmustbeenabledthroughtheoperatingunitoftheheatpump.Moreover,especiallythepower
settings1and2shouldbeconguredviatheoperatingunit.
Power control
  Limitingtheoperatingcurrentaccordingtothecurrentpowerrequirementthrougha0--10Voltinputsignal.For
safetyreasons,aminimumoperatingcurrentisappliedforeverydevice.Forthechangebetweentwopower
stages,thereisaswitchinghysteresisof0.2V(seetable).Thevoltagevaluesareonlytakenintoconsideration
totherstdecimalplaceandnotrounded.Thevalidassignmentsbetweeninputsignalandpowerstageareas
follows:
Ana-
logue
input (V)
Power (%)
Ana-
logue
input (V)
Power (%)
Ana-
logue
input (V)
Power (%)
0.0
Not active
0.1–0.6 3.9–4.1 40 7.4–7.6 75
0.7
10
Not
active
4.2
45 40
7.7
80 75
0.8 4.3 7.8
0.9–1.1 10 4.4–4.6 45 7.9–8.1 80
1.2
15 10
4.7
50 45
8.2
85 80
1.3 4.8 8.3
1.4–1.6 15 4.9–5.1 50 8.4–8.6 85
1.7
20 15
5.2
55 50
8.7
90 85
1.8 5.3 8.8
1.9–2.1 20 5.4–5.6 55 8.9–9.1 90
2.2
25 20
5.7
60 55
9.2
95 90
2.3 5.8 9.3
2.4–2.6 25 5.9–6.1 60 9.4–9.6 95
2.7
30 25
6.2
65 60
9.7
100 95
2.8 6.3 9.8
2.9–31 30 6.4–6.6 65 9.9 100
3.2
35 30
6.7
70 65
3.3 6.8
3.4–3.6 35 6.9–7.1 70
3.7
40 35
7.2
75 70
3.8 7.3
Heating/ Cooling Switch
  Drycontactfortheswitchingbetweenheating(contactopen)andcooling(contactclosed).Thefunctionmust
beenabledandconguredviatheoperatingunitoftheheatpump.