 
 1, Power supply:8-12VDC
2, Self consumption:<0.1w
3, Protection:IP20
4, Working temperature :0-50DegC
5, Ambient humidity : 5-93%RH
6, Keypad: capacitor touch screen keypad
7, Enclosure material: Fire-proof ABS
8, Hope pitch :standard wiring case 60mm



| Sensor Input Data- BAC01 | |||||||||
| Item | port | Name | Vlaue of resistance | Description | |||||
| 1 | TH1 | Toe:outdoor ambient temperature | 10K | temperature range limited and defrost judgement | |||||
| 2 | TH2 | Tos: total outlet water temperature | 10K | only for the outdoor connection ,it can be used to adjust the load of the unit | |||||
| 3 | TH3 | Tr:total return water temperature | 10K | only for the outdoor connection ,it can be used to adjust the load of the unit | |||||
| 4 | TH4 | To: outlet water temperature | 10K | Frost protection | |||||
| 5 | TH5 | Tcs1:1# suction temperature | 10K | superheat adjustment | |||||
| 6 | TH6 | Tdis1:1# discharge temperature | 100K | discharge superheat protection | |||||
| 7 | TH7 | Tevi1:1# EVI inlet temperature | 10K | EVI superheat adjustment | |||||
| 8 | TH8 | Tevo1:1# EVI outlet temperature | 10K | EVI superheat adjustment | |||||
| 9 | TH9 | Tcs2: 2# suction temperature | 10K | superheat adjustment | |||||
| 10 | TH10 | Tdis2:2# discharge temperature | 100K | discharge superheat protection | |||||
| 11 | TH11 | Tevi2:2# EVI inlet temperature | 10K | EVI superheat adjustment | |||||
| 12 | TH12 | Tevo2:2# EVIoutlet temperature | 10K | EVI superheat adjustment | |||||
| Input / Output Ports Data- BAC01 | |||||||
| Item | Port | Description | Remark | ||||
| 1 | CN1 | RS485 communication port is for slave | when communication with BMS system (Modbus protocol ),if this unit is treated as slave ,the communication port is CN10 to Master | ||||
| 2 | CN2 | SLM wired controller port | review outdoor unit variables and parameter settings | ||||
| 3 | CN3 | compressor driver communication port | communication with compressor driver board | ||||
| 4 | CN5 | Programming port | it is used for upgraded . | ||||
| 5 | CN6 | EXV 1 port | 1# the master EXV | ||||
| 6 | CN7 | EXV 2 port | 2# the master EXV | ||||
| 7 | CN8 | EXV 3 port | 1# EVI | ||||
| 8 | CN9 | EXV 4 port | 2# EVI | ||||
| 9 | CN10 | Master communication port | when communication with BMS system (Modbus protocol ),if this unit is treated as master ,the communication port is CN1 to slave. | ||||
| 10 | CN11 | High/low pressure sensor port | 2# high pressure (Pd2)and low pressure (Ps2)sensor | ||||
| 11 | Ps1 | low pressure sensor port | 1# low pressure sensor | ||||
| 12 | Pd1 | high pressure sensor port | 1# high pressure sensor | ||||
| 13 | CN12 | power input | 220VAC | ||||
| 14 | CN13 | neutral line | neutral line is for group 1 output | ||||
| 15 | CN14 | Group1 relays output | O11,O12,O13,O14( 4-way output ) | ||||
| 16 | CN15 | neutral line | neutral line is for group 2 output | ||||
| 17 | CN16 | Group2 relays output | O21,O22,O23,O24( 4-way output) | ||||
| 18 | CN17 | neutral line | neutral line is for group 3 output | ||||
| 19 | CN18 | Group 3 relays output | O31,O32,O33,O34 (4-way output) | ||||
| 20 | CN19 | neutral line | neutral line is for group 4 toutput | ||||
| 21 | CN20 | Group 4 relays output | O41,O42,O43 (3-way output) | ||||
| 22 | CN21 | Dry contact output | DO1,DO2 (2-way output ,share the same COM) | ||||
