Table of Contents
Advertisement
Allocation
Terminal No.
X4
TA1
X4.1
No polarity
l
TA2
X4.2
No polarity
l
l
E1.1
X4.3
No polarity
E1.2
X4.4
No polarity
l
E2.1
X4.5
No polarity
l
l
E2.2
X4.6
No polarity
COM for OP2 - OP6 Higher
OP1
X4.7
l
Potential
OP2
X4.8
Lower Potential for Defrost
l
Lower Potential for Thermostat
l
OP3
X4.9
ON
Lower Potential for Cool
OP4
X4.10
l
Operation
Lower Potential for Heat
OP5
X4.11
l
Operation
Lower Potential for Fan Mode
l
OP6
X4.12
Operation
COM for OT2 - OT6 Lower
OT1
X4.13
l
Potential
OT2
X4.14
Heat input Higher Potential
l
l
OT3
X4.15
Cool input Higher Potential
Demand Input 1
OT4
X4.16
l
Higher Potential
Demand Input 2
OT5
X4.17
l
Higher Potential
Demand Input 3
l
OT6
X4.18
Higher Potential
Allocation
Terminal No.
X5
U1
X5.1
No polarity
l
l
U2
X5.2
No polarity
R1
X5.3
No polarity
l
R2
X5.4
No polarity
l
l
R1
X5.5
No polarity
R2
X5.6
No polarity
l
To be continued on next page.
AHU Kit – Installation Instructions – 07/2023
Function
Suction Temperature Sensor TA input (included)
(Room Temperature Sensor)
Sensor E1 / TH2
Sensor E2 / TH3
+ 12 V DC
Defrost signal output
Thermostat ON signal output
Cool operation signal output
Heat operation signal output
Fan mode (free cooling) operation signal output
- 2.5 ... 5.0 V DC
Heat mode input
Cool mode input
LV1 demand control input
LV2 demand control / QUIET input
LV3 demand control / EXCT (forcibly thermostat off)
input
Function
Communication bus wiring S-link
Terminal for Group Wiring (RC connection)
Terminal for Group Wiring (RC connection)
Electrical Wiring
Description
Air temperature sensor
Refrigerant temperature sensor
Refrigerant temperature sensor
12 V DC relay required for each signal output, field supplied
Internal Potential 2.5 – 5.0 V DC 0.5mA Current
Demand control, QUIET and EXCT inputs must be set using
indoor unit detailed settings, parameter code 0002EE, please
see relevant technical data service manual for details. Internal
potential 2.5 – 5.0 V DC 0.5mA Current
1
Description
Required for centralised controller
Internal Potential: 16 V DC
Internal Potential: 16 V DC
1
5
61
Advertisement
Table of Contents
