Potterton Eurocondense Plus Installation Manual page 21

HYDRAULIC CIRCUITS (EXAMPLES)
Example 3:
(Hydr. System "34")
B9
T
Mains
NETZ
230V AC
N, N3, N4
Legende:
B1 Flow sensor QAD36 *)
B3 Tank sensor QAZ 36 *)
B5 Room control RRG *)
B9 Outdoor temperature sensor QAC 34
Example 4:
(Hydr. System "66")
B9
T
Mains
NETZ
230V AC
N, N3, N4, K4
Legend:
B1 Flow sensor QAD 36 *)
B3 Tank sensor QAZ 36 *)
B5 Room control RRG *)
B9 Outdoor temperature sensor QAC 34
K4 Switch life relay module CIR *)
M1 Pump, constant temperature heating circuit *)
M2 Pump, variable temperature heating circuit *)
2 constant temperature heating circuit (CTC) with a mixer module CIM and room control RRG
and/or with heating module HKM and timer EMS, including DHW tank temperature control
M1 Pumpe, 1
M2 Pumpe, 2
M3 Tank charging pump *)
N Control Unit LMU
1 CTC, 1 VTC with room control RRG and/or with heating module HKM and timer EMS,
including DHW tank temperature control, and 1 pump circuit with heat exchanger
(e. g. air heater) with zone control ZR EC 1/2
M3 Tank charging pump *)
N Control unit LMU
N3 Heating module HKM
N4 Mixer module CIM *)
N7 ZR EC 1//2 heat exchanger circuit
N10 External switching contact
(for heat exchanger circuit)
B3
M3
st constant temp. heating circuit *)
nd constant temp. heating circuit *)
Gemischtes Heizsystem
HC 1 HK 1
B3
PHK
(CTC)
M3
M1
HC 1 HC 2
HK 1
HK 2
(CTC) (CTC)
( PHK )
( PHK )
B5
B1
M1 M2
N3 Heating module HKM
N4 Mixer module CIM *)
*) optional extra
HK 2 HC 2
MHK (VTC)
B5
B1
M2
M
Y1
Y1 3 way valve
*) optional extra
Heat exchanger
WT - Heizkreis
(circuit)
( Torschleier )
N10
M8
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