Potterton Eurocondense Plus Installation Manual page 23

HYDRAULIC CIRCUITS (EXAMPLES)
Example 6a:
(Hydr. System "66")
B9
T
Mains
NETZ
230V AC
N, N3, N4 (N7), K1
Legende:
B1 Flow sensor QAD36 *)
B3 Tank sensor QAZ 36 *)
B5 Room control RRG *)
B9 Outdoor temperature sensor QAC 34
M1 Pump, constant temp. heating circuit *)
M2 Pump, variable temp. heating circuit *)
Example 6b: 1 CTC, 1 VTC with CIM and room control RRG and/or heating module HKM and time EMS,
(Hydr. System "66") including DHW tank temperature control, with primary loop,
1 additional mixer circuit (VTC) with ZR EC 1/2 (up to 15 circuits possible)
B9
T
B3
M3
Legend:
see example 6a
1 CTC, 1 VTC with CIM and room control RRG and/or heating module HKM and timer EMS,
including DHW tank temperature control,
1 additional mixer circuit (VTC) with ZR EC 1/2 (up to 15 circuits possible)
Alternatively: Both VTCs with zone controller ZR EC 2
B3
M3 Tank charging pump *)
N Control unit LMU
N3 Heating module HKM
N4 Mixer module CIM *)
N7 Zone control ZR EC 1/2
Y1 3 way valve *)
*) optional extra
1 ) alternatively: CIM or ZR EC 2 with CIB
N, N3, N4, K1
M5 Primary loop pump
Gemischtes Heizsystem
HC 1
HK 1
(CTC)
PHK
M3
M1
1 )
Gemischtes Heizsystem
HC 1
HK 1
PHK
(CTC)
Mains
NETZ
230V AC
M1
M5
Hydraulische Weiche oder Wärmetauscher,
Header, supplied by customer
Sonderzubehör (bauseits)
Separate circuit
Getrennter Heizkreis
ZR EC or
ZR EC bzw.
EC MSR
EC MSR
N7
HC 2
HK 2
MHK (VTC)
B5
B1
B1
M2 M2
M M
Y1
Y1
Legend ZR EC:
A6 Room control QAA 70 or QAA 50
B1 Flow sensor QAD 21 *)
K1 Bus module CIB *)
M2 Pump, variable temp. heating circuit
N7 Zone control ZR EC / ZR MSR oder EC M
Y1 3 way valve *)
*) optional extra
Separate circuit
Getrennter Heizkreis
ZR EC bzw.
ZR EC or
EC MSR
EC MSR
N5
HC 2
HK 2
MHK
(VTC)
A6
B5
B1
B1
M2
M2
M M
Y1 Y1
Legend ZR EC or EC MSR:
see example 6a
A6
1 )
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