Page 3 of 24
Contents
1.
Safety Precautions ............................................................................................................................................... 8
2.
Product Overview ................................................................................................................................................. 9
2.1.
Basic Features .............................................................................................................................................. 9
2.2.
Extended features ......................................................................................................................................... 9
2.3.
Advanced Energy Save Features.................................................................................................................. 9
2.4.
Relay Output ................................................................................................................................................. 9
3.
Supplied Wiring Looms...................................................................................................................................... 10
4.
Size and weight................................................................................................................................................... 10
5.
Electrical wiring and installation ....................................................................................................................... 11
5.1.
Precautions on electrical wiring................................................................................................................... 11
5.2.
Wiring Connections: .................................................................................................................................... 11
5.3.
External Connections .................................................................................................................................. 12
5.3.1.
Digital inputs........................................................................................................................................... 12
5.3.2.
Analogue Inputs ..................................................................................................................................... 12
5.3.3.
Relay outputs ......................................................................................................................................... 12
6.
Description of Features...................................................................................................................................... 13
6.1.
Basic Parameter Control ............................................................................................................................. 13
6.2.
The ‘Lock’ Input........................................................................................................................................... 13
6.3.
Energy Save Modes.................................................................................................................................... 13
6.3.1.
Auto/Fan................................................................................................................................................. 13
6.3.2.
Dead Band Mode ................................................................................................................................... 14
6.4.
Relay Outputs ............................................................................................................................................. 15
6.4.1.
On/Off..................................................................................................................................................... 15
6.4.2.
Fault ....................................................................................................................................................... 15
6.4.3.
Thermo................................................................................................................................................... 15
6.5.
Mode Monitor .............................................................................................................................................. 15
7.
LED Indications on the Unit............................................................................................................................... 16
8.
Applicable Air Conditioning Models ................................................................................................................. 17
8.1.
Using twin / triple / quad systems................................................................................................................ 17
8.1.1.
When using Fault output......................................................................................................................... 17
8.1.2.
When not using Fault output................................................................................................................... 17
8.2.
Using single splits in a group....................................................................................................................... 18
8.2.1.
When using Fault output......................................................................................................................... 18
8.2.2.
When not using Fault output................................................................................................................... 18
8.3.
Using MXZ splits ......................................................................................................................................... 19
9.
Important Notes .................................................................................................................................................. 20
10.
Additional Information ....................................................................................................................................... 21
10.1.
Appendix A: Analogue Input Ranges ........................................................................................................ 21
10.1.1.
Setpoint: ............................................................................................................................................ 21
10.1.2.
Mode:................................................................................................................................................. 21
10.1.3.
Fan Speed ......................................................................................................................................... 21
10.2.
Appendix B: Dip Switches Settings .......................................................................................................... 21
10.2.1.
SW1-1 to SW1-4 Lock Settings (When Lock Input is Activated)........................................................ 21
10.2.2.
SW2-1 to SW2-5 Energy Save Settings - Auto/Fan Algorithm........................................................... 22
10.2.3.
SW2-1 to SW2-5 Energy Save Settings - Deadband Algorithm......................................................... 22
10.2.4.
SW2-5 Reset settings when energy save deadband mode is not required........................................ 23
10.2.5.
SW2-6 Heating / Cooling Output ....................................................................................................... 23
10.3.
Revision History: ......................................................................................................................................... 23
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