REMKO CMF 320 Duo - Manual (Page 35)

Connection diagram, terminal configuration
L1
L2
L3
N
Outdoor units
S1
S2
S3
On-site sub-distribution
connection layout CMF 320 Duo
Observe the technical requir
ements of the local
power company
Outdoor-module A supply
CMF 320: e.g.:NYM 5x2.5mm 2
Indoor-module supply
e.g.:NYM 3x1.5mm
2
E-heater supply
e.g.:NYM 5x2.5mm
2
Power enable/disable (230 V ~ )
e.g.:NYM 3x1.5mm 2
Normally-closed switch
Normally-open switch enable
2. heat source *)
(4-way) switching valve
2. heat source
3-way mixer HK2
Circulation pump HK 1
Circulation pump HK 2
Mixer circuit
Switching valve
Hot-water usage
Switching valve, cooling
br
blu
blk
br
blu
blk
Circulation pump, cooling
Charging pump, indoor
module
Circulation pump, solar
or circulation or Solid-fuel
combustion vessel
F 17 Return, heat pump
F 14 Solar collector
F 12 Reference sensor, lower buffer storage
F 11 Inlet, heat pump
F 9 Outdoor temperature
F 8 T-collector (com. inlet)
F 6 Warm-water storage
F 5 Inlet HK2 (mixing circuit
Relay switch
F 13 Solid-fuel combustion vessel
Flow monitor **)
or
jumper ***)
blu white
M
Analogue remote control with room sensor
F 15 Flow rate transmitter
*)
Th
ere
is
an
o
ptio
n f
or
th
e b
oile
r e
na
blin
g t
o o
ccu
r w
ith
ou
t v
olt
ag
e o
r
w
ith
2
30
V
(p
ha
se
-b
rid
ge
d f
ro
m
X
2.1
9)
w
ith
w
hic
h a
n
orm
ally
-clo
se
d s
w
itc
h o
r a
n
orm
ally
-o
pe
n s
w
itc
h c
an
b
e e
m
plo
ye
d.
**
)
O
nly
in
a s
et-
up
w
ith
ou
t h
ot
w
ate
r m
ete
rs
**
*)
O
nly
in
a s
et-
up
w
ith
h
ot
w
ate
r m
ete
rs
Indoor unit
X1.1
X1.2
X1.3
X1.4
X1.5
X1.6
X1.7
X1.8
X1.9
X2.1.A
X2.2.A
X2.3.A
X2.4
X2.5
X2.6
X2.7
X2.8-N
X2.9
X2.10
X2.11-N
X2.12
X2.13
X2.14
X2.15
X2.16
X2.17
X2.18
X2.19-L1.1
X2.20-L1.1
X2.21-L1.1
X2.22
X2.23-N
X2.24
X2.25
X2.26-N
X2.27
X2.28
X2.29-N
X2.30
X2.31
X2.32-N
X2.33
X2.34
X2.35-N
X2.36
X2.37
X2.38-N
X2.39
X2.40
X2.41-N
X2.42
Terminal block X1
Terminal block X2
Terminal block X3
X3
X3.1
X3.2
X3.3
X3.4
X3.5
X3.6
X3.7
X3.8
X3.9
X3.10
X3.11
X3.12
X3.13
X3.14
X3.15
X3.16
X3.17
X3.18
X3.19
Inputs/outputs (Merlin I/O circuit board)
A4/A5
E1
A1
A2
A3
A10
A10
A12
A9
F17
F14
F13
F12
F11
F9
F8
F6
F5
(F15)
F3
F2
(F1)
Outdoor unit A
L1
L2
L3
N
S1
S2
S3
Outdoor unit B
6,3A
slow-acting
X2.1.B
X2.2.B
X2.3.B
Outdoor-module B supply
CMF 320: e.g.:NYM 5x2.5mm 2
35