Emerson Dixell XR75CX Series

ii • XR75CX I&O Manual 026-1210 Rev 4
8.3. PRESSURE SWITCH (I2F=PAL) ................................................................................................................................... 13
8.4. D
OOR SWITCH INPUT (I1F OR I2F=DOR) .................................................................................................................... 13
8.5. S
TART DEFROST (I1F OR I2F=DEF)............................................................................................................................ 13
8.6. S
WITCH THE AUXILIARY RELAY (I2F=AUS) ............................................................................................................. 13
8.7. I
NVERSION OF THE KIND OF ACTION: HEATING - COOLING (I2F=HTR) .................................................................... 13
8.8. E
NERGY SAVING (I2F=ES) ......................................................................................................................................... 13
8.9. ON - OFF F
UNCTION (I2F=ONF)................................................................................................................................ 13
8.10. D
IGITAL INPUTS POLARITY....................................................................................................................................... 14
9 RS485 SERIAL LINE (FOR MONITORING SYSTEMS)...................................................................................... 15
10 X-REP OUTPUT (OPTIONAL)............................................................................................................................... 15
11 INSTALLATION AND MOUNTING ..................................................................................................................... 16
12 ELECTRICAL CONNECTIONS............................................................................................................................. 16
12.1. P
ROBE CONNECTION................................................................................................................................................. 16
13 HOW TO USE THE HOT KEY ............................................................................................................................... 17
13.1. H
OW TO PROGRAM A HOT KEY FROM THE DEVICE (UPLOAD) ............................................................................... 17
13.2. H
OW TO PROGRAM THE DEVICE USING A HOT KEY (DOWNLOAD)......................................................................... 17
14 ALARM SIGNALS ................................................................................................................................................... 18
14.1. S
ILENCING BUZZER/ALARM RELAY OUTPUT ........................................................................................................... 18
14.2. A
LARM RECOVERY ................................................................................................................................................... 18
14.3. O
THER MESSAGES .................................................................................................................................................... 18
15 SPECIFICATIONS.................................................................................................................................................... 19
16 CONNECTIONS ........................................................................................................................................................ 21
17 E2 MODBUS NETWORK WIRING ....................................................................................................................... 22
18 ECT MODBUS NETWORKING TO E2S............................................................................................................... 23
18.1. COM P
ORT ASSOCIATIONS - E2 VERSIONS 3.XX AND BELOW ................................................................................ 23
18.2. COM P
ORT ASSOCIATIONS - E2 VERSIONS 4.2 AND ABOVE ................................................................................... 23
18.3. E2 S
ETUP OF DEVICES .............................................................................................................................................. 24
18.3.1. Set Up Network Ports........................................................................................................................................ 24
18.3.2. Add and Connect the Device ............................................................................................................................. 24
18.4. W
IRING TYPES .......................................................................................................................................................... 25
18.5. MODBUS T
ERMINATION BLOCKS ........................................................................................................................... 26
19 DEFAULT SETTING VALUES .............................................................................................................................. 27
APPENDIX A - ALTERNATE MODBUS COM WIRING METHOD FOR E2, XR, XM, AND XEV DEVICES 31