8
08. 06. 18. Leaflet Number 671408
Installation, Operating and Maintenance Instructions
SQURBO XBOX
Wiring - for units with Ecosmart control cont.
Unit sizes S7 - S10 Supply fan with LPHW coil
Figure 20:
(A) Is pre-wired to plugs and sockets.
Connections
to Damper
F
A
UL
T R
UN
N
L
SL
DP
CL
N
RET
Remove this link wire if:
1. a switched live signal is connected.
2. A ES-PIR, ES-TC or BMS signal
is connected.
NET connections for
ECOSMART devices
Min Max SL run on
Trickle
Test
0 1
Pwr
Standby
Fan 1
Fan 2
Heating
Cooling
Fault
Frost
Tx
Rx
Ecosmart
Heat demand
signal
Earth
Run signal
Fault signal
HEA
T
D
AMPER
DEMAND
L3
L2
L1
N
E
400V 50Hz
3ph +N mains
1 3 5
2 4 6
(U)
(V) (W)
L1 L2 L3 E
(U)
(V) (W)
L3
L2
L1
12 13 14 15
5 6 7 8 9
10 11
12 13 14 15
C
ONT
A
CT
OR
A1
A2
ON OFF
A
UT
O
HEA
TER/C
OOL
Cooling
demand
signal
Frost
alarm
signal
Signal for
DX1 coil
if fitted
Signal for
DX2 coil
if fitted
25
30
25
Set air off
temperature
of LPHW coil
Connect to inlet
sensor after unit
is assembled
Outlet
sensor
Inlet
sensor
3
2
1
GREEN
BROWN
WHITE
Connect to LPHW
actuator motor
SM24
motor set at
position A
0V
0-10V
BMS signal
A
A
