Technical information and reports
41
Compress 5800i AW – 6721858460 (2023/06)
[5] Overheating protection (OHP)
[6] Safety contactor
[7] XCU-THH (XCU HY) - Indoor unit
[8] CAN-BUS
[9] XCU-SRH (XCU HP) - Outdoor unit
[10] Miniature circuit breaker (3x16A)
[11] Tariff counter
[12] External electrical installation
[PK2] Circulation pump, cooling mode
[PW2] Circulation pump DHW
10.3.3 Cable plan
When extending cables, use the cable types defined in the following
tables. All cables must be designed for a temperature range of up to 70
°C.
Table 17 Connections to IDU CS5800iAW 12 M
Table 18 Cable area and cable type
Table 19 Cable plan for sensors and bus cables
10.3.4 Measurements from temperature sensors
CAUTION
Physical injury or material damage due to incorrect temperature
If sensors with incorrect characteristics are used, the temperatures may
be too high or too low.
▶ Make sure that the temperature sensors used comply with the
specified values (see tables below).
230V/400V General Cross section Cable type Maximum
length (m)
Connection to
terminal
Power supply
Eheater Power input to the indoor
unit IDU CS5800iAW 12
M
5 x 2,5 mm²
(9kW)
Table 18 L1 / L2 / L3 / N /
1PE
Table 18
3 x 2,5 mm²
(3kW)
Table 18 L3/N/1PE Table 18
PW2 Circulation pump DHW 3 x 1,5 mm²
(minimum)
PVC - rubber cable
(H07) or H05VV-F 3G1,5
1SL / 4N / 4PE IDU
PK2 Circulation pump, cooling
mode
3 x 1,5 mm²
(minimum)
PVC - rubber cable
(H07) or H05VV-F 3G1,5
2SL / 5N / 5PE IDU
Option 1: Option 2:
9kW (3kW only)
Function Indoor unit Indoor unit
Cable type
Terminals
allow use of
fine-stranded
or solid core
wire
According to local
rules and
regulations
According to
local rules and
regulations
Cable
diameter
5 x 2,5 mm
2
3 x 2,5 mm
2
Fuse and
maximum
external load
1)
1) External load to outputs
3x16A: max.
135W
3x20A - 25A:
max. 500W
1x16A: max.
135W
1x20A - 25A:
max. 500W
Sensor/Bus General Minimum cross
section
Cable type Maximum
length (m)
Connection to XCU-
THH (XCU HY) pin
Power supply
T1 Temperature sensor
outdoor
< 20m: 0,75 mm
2
>20m: 1mm
2
< 20m: LiYY 2x 0,75
>20m: LiYY 2x1
30 T1: 1 / 2
MD1 Condensation sensor 0,5 mm
2
LiYY 2 x 0,5 MD1: 1 / 2
CAN-BUS Communication line: IDU -
ODU
0,75 mm
2
LiYCY (TP) 2 x 2 x 0,75
shielded
30 CAN BUS:
1 / 2 / 3 / 4
EMS-BUS EMS-BUS: Accessory 0,5 mm² LiYY 2 x 0,5
LiYCY 2 x 0,5 shielded
PWR BUS: EMS+ / EMS-
Smart Grid 0,5 mm² LiYY 2 x 0,5 I13 / I14 / I15 / I16
Depends on HMI
configuration
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