8.6 Connection diagram, terminal configuration
Outdoor unit
Indoor unit
F9 Outdoor temperature
Re
lay
sw
itc
h
Flow monitor²
or
jumper³
Indoor-module supply
Power enable/disable (230 V
~
)
Elect. heater supply
2
e.g.:NYM-I 3x Xmm
2
CMF/CMT 120: e.g.: NYM-I 3x Xmm
CMF/CMT 160: e.g.: NYM-I 5x Xmm
2
2
Enable 2. heat source
2)
O
nly
in
a
se
t-u
p w
ith
ou
t h
ot
w
ate
r m
ete
rs
3)
O
nly
in
a
se
t-u
p w
ith
h
ot
w
ate
r m
ete
rs
(4-way) switching
valve2. heat source
Switching valve
Hot-water usage
Circulation pump, cooling
Circulation pump, solaror
circulation or solid-fuel
combustion vessel
Charging pump, indoor
module
External collective fault signal
F 17 Return, heat pump
F14 Solar collector
F12 Reference sensor, lower buffer storage
F11 Inlet, heat pump, hot water meter
F8 T-collector (com. inlet)
F6 Warm-water storage
F5 Inlet HK2 (mixing circuit)
Analogue remote control with
room sensor FBR-2
F1 Solid-fuel combustion vessel
F 15 Flow meter
3
Terminal X4 ground
Terminal X3
Terminal X1
Terminal
Inputs/outputs
(Merlin I/O circuit board)
Outdoor-module supply
Open switch
Closed switch
e.g.: NYM-I 5x Xmm
Elect. heater supply
3-way mixer
Circulation pump HK 1
Circulation pump HK 2
Switching valve
cooling
Open switch
Closed switch
free
On-site
sub-distribution
O
bs
erv
e t
he
te
ch
nic
al r
eq
uir
em
en
ts o
f th
e lo
ca
l p
ow
er
co
m
pa
ny
an
d t
he
n
ote
s in
th
e c
ha
pte
r „
G
en
era
l te
rm
s“
.
Fig. 55: Terminal configuration
REMKO CMF/CMT
54