3.6.11 Overview Wiring Diagram
The following 3 wiring diagrams show typical system configurations for an AC system (see
), a combined
AC/HP system (see
) and a ground source heat pump system (see
), with all Danfoss
components.
M
ain po
w
er supply
208-230V 60 H
z
distr
ibution
C
ondenser
fan mot
or
i.e
. ECM 142
H
igh-pr
essur
e
swit
ch
Saf
et
y
cir
cuit
br
eaker
Fuse
Fuse
Optional
Not sc
ope of Danf
oss deliv
er
y
C
ompr
essor
,
or
der of phases
must be obser
ved!
T1
T1
T2
T2
T3
T3
Chassis
L1
L2
M
odbus ser
ial
communica
tion
with OEM c
on
tr
oller
M
odbus ser
ial
communica
tion
with indoor EE
V
c
on
tr
oller
EEV_1
EEV_2
MASTER
EXT_FAN
S_AMBIENT
S_AUX
S_D
P_O
P_C
RLY_1
In
ver
ter PC
A
Out
door unit
Indoor unit
Indoor unit
temp
. sensor
PT 1000(S2)
Schema
tic
W
iring Diag
ram
Air
-C
onditioning S
yst
em
A
genda:
Lo
w v
oltage
H
igh v
oltage
Pr
efabr
ica
ted cable
Scr
eended cable
Po
w
er supply
indoor EE
V
con
tr
oller
18-30 v A
C/DC
EEV
Outdoor
unit
EEV
Controller
OEM
Con
tr
oller
(T
her
mosta
t)
Ambient temperature
sensor PT 1000(S. amb.)
Compr. dischange temp.
sensor PT 1000(Sd)
Compressor suction
pressure sensor (Po)
Compressor discharge
pressure sensor (Pc)
Aux. temperature
sensor PT 1000
175ZB100.10
Illustration 3.20 AC only System
Electrical Installation
VLT
®
Inverter Scroll CDS 801 Operating Instructions
22
MG10V402 - VLT
®
is a registered Danfoss trademark
3
3