
Installation and Commissioning Guide - Split Ducted ESP Plus/Ultima Indoor Unit
Doc. No.0525-078
Ver. 2 190925
26
Installation and Commissioning Guide
Split Ducted ESP Indoor Unit
11. Wiring Connection Control Cable Length and Specification
NOTE
^
Available in White and Grey
colours
OPTIONAL
DUAL MASTER CONTROLLER
(Mimic Logic)
Master
Wall Control
^
Secondary
Wall Control
^
4A
2
4
TO INDOOR PCB
TO OUTDOOR PCB
4 CORE 14/0.20 (0.44mm)
Shielded Data Cable
3570-043
3
8 - Z
ONE
MO DULE
INDOOR UNIT
R-410A
“CAUTION”
PLEASE ENSURE THERE IS
NO GAS / PRESSURE IN THE
FAN COIL UNIT BEFORE
REMOVING COPPER END CAPS.
3570-043
ID - OD FIELD DATA CABLE APPLICATIONS:
1
2 CORE 14/0.20 (0.44mm
2
)
Shielded Data Cable
2
2 CORE 7/0.30 (0.5mm
2
)
Twisted Pair Shielded Data Cable
OUTDOOR UNIT
1
MODEL
R-410A
“CAUTION”
PLEASE
THERE IS
NO GAS / PRESSURE IN THE
FAN COIL UNIT BEFORE
REMOVING COPPER END CAPS.
ENSURE
3670-043
Sen
sor
4
CAUTION
LIVE ELECTRICAL WIRING
AUTHORISED TECHNICIANS ONLY
INTERNAL CONTROL ISOLATOR FITTED
MODEL
MEPS
C E R T I F I E D
A
U
S
T
RA
LIAN M
A
D
E
A
U
S
T
R A
L I AN O
W
N
E
D
R-410A
ITEM
DESCRIPTION
MAXIMUM CABLE LENGTH *
1 to 2
Outdoor PCB to Indoor PCB
60 m
2 to 3
Indoor PCB to 8-Zone Module (factory fitted)
0.60 m
2 to 4
Indoor PCB to Master Wall Control
40 m
2 to 4A
Indoor PCB to Secondary Wall Control
40m (Including 2 to 4) **
*
Suggested Maximum Cable Length
Long runs beside Mains cables or TV antenna cables should be avoided where possible.
**
Total Cumulative Cable Length with Secondary Controller must not exceed 40 meters.
For example, if 2 to 4 is 30m then 2 to 4A must not exceed 10m.
NOTES:
• Trace wire connects to SCN/COM terminal at Outdoor PCB and to SCN on Indoor PCB. Do not connect at
Wall Controls.
• Diagram shown above is a general presentation only. Refer to individual unit wiring diagram for complete
wiring connection details.