Potterton Eurocondense Plus Installation Manual page 20

HYDRAULIC CIRCUITS (EXAMPLES)
Example 2a:
(Hydr. System "50")
B9
T
Mains
NETZ
230V AC
N, N3, N4 (N7)
Legend:
B1 Flow sensor QAD 36 *)
B3 Tank sensor QAZ 36 *)
B5 Room control RRG *)
B9 Outdoor temperature sensor QAC 34
K1 Bus module CIB *)
Example 2b:
(Hydr. System "50")
B9
T
Mains
NETZ
230V AC
N, N3, N4 (N7)
Legend:
B1 Flow sensor QAD 36 *)
B3 Tank sensor QAZ 36 *)
B5 Room control RRG *)
B9 Outdoor temperature sensor QAC 34
K1 Bus module CIB
20
1 constant temperature heating circuit (CTC) an 1 variable temperature heating circuit (VTC)
with room control RRG and/or with heating module HKM and timer EMS,
including DHW tank temperature control
Alternatively: VTC with zone controller ZR EC 1/2
M1 Pump, constant temp. heating circuit *)
M2 Pump, variable temp. heating circuit *)
M3 Tank charging pump *)
N Control unit LMU
N3 Heating module HKM *)
1 constant temperature heating circuit (CTC) and 1 variable temperature heating
circuit (VTC) with room control RRG and/or with heating module HKM and timer EMS,
including DHW tank temperature control, with primary loop / header and secondary
loop pump M5
Alternatively: VTC with zone controller ZR EC 1/2
M1 Pump, constant temp. heating circuit *)
M2 Pump, variable temp. heating circuit *)
M3 Tank charging pump *)
M5 Primary loop pump *)
1 ) N
B3
M3
B3
M3
Control unit LMU
Gemischtes Heizsystem
HK 1
HC 1 HC 2
HK 2
( PHK ) (CTC) (VTC)
( MHK )
B5
B1
M2
M1
M
Y1
N4 Mixer module CIM *)
N7 Zone control ZR EC 1/2
Y1 3 way valve *)
*) optional extra
1 ) alternatively: CIM or ZR EC 1/2 with CIB
Gemischtes Heizsystem
HK 1
HC 1 HK 2 HC 2
( PHK )
( MHK )
(CTC) (VTC)
B5
B1
M2
M1
M
Y1
M5
Header (supplied by customer)
Hydraulische Weiche oder Wärmetauscher,
Sonderzubehör (bauseits)
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 1/2 with CIB
1 )
1 )
1 )