Emerson XR75CX - Page 6

ii • XR75CX I&O Manual 026-1210 Rev 0 09-FEB-2011
8.2. SERIOUS ALARM MODE.............................................................................................................................................. 14
8.3. P
RESSURE SWITCH ...................................................................................................................................................... 14
8.4. D
OOR SWITCH INPUT.................................................................................................................................................. 14
8.5. S
TART DEFROST.......................................................................................................................................................... 14
8.6. S
WITCH THE AUXILIARY RELAY ................................................................................................................................ 14
8.7. I
NVERSION OF THE KIND OF ACTION: HEATING - COOLING....................................................................................... 14
8.8. E
NERGY SAVING ......................................................................................................................................................... 14
8.9. H
OLIDAY DEFROST ..................................................................................................................................................... 14
8.10. ON - OFF F
UNCTION................................................................................................................................................ 14
8.11. D
IGITAL INPUTS POLARITY....................................................................................................................................... 15
9 RS485 SERIAL LINE (FOR MONITORING SYSTEMS)...................................................................................... 16
10 X-REP OUTPUT (OPTIONAL) ............................................................................................................................... 16
11 INSTALLATION AND MOUNTING...................................................................................................................... 17
12 ELECTRICAL CONNECTIONS............................................................................................................................. 17
12.1. P
ROBE CONNECTION................................................................................................................................................. 17
13 HOW TO USE THE HOT KEY ............................................................................................................................... 18
13.1. H
OW TO PROGRAM A HOT KEY FROM THE DEVICE (UPLOAD) ............................................................................... 18
13.2. H
OW TO PROGRAM A HOT KEY FROM THE DEVICE (UPLOAD) ............................................................................... 18
14 ALARM SIGNALS .................................................................................................................................................... 19
14.1. S
ILENCING BUZZER/ALARM RELAY OUTPUT........................................................................................................... 19
14.2. A
LARM RECOVERY ................................................................................................................................................... 19
14.3. O
THER MESSAGES .................................................................................................................................................... 19
15 SPECIFICATIONS.................................................................................................................................................... 20
16 CONNECTIONS ........................................................................................................................................................ 21
17 E2 MODBUS NETWORK WIRING ....................................................................................................................... 22
18 ECT MODBUS NETWORKING TO E2S............................................................................................................... 23
18.1. E2 S
ETUP OF DEVICES .............................................................................................................................................. 23
18.1.1. Set Up Network Ports........................................................................................................................................ 23
18.1.2. Add and Connect the Device ............................................................................................................................. 24
18.2. W
IRING TYPES .......................................................................................................................................................... 25
18.3. MODBUS T
ERMINATION BLOCKS ........................................................................................................................... 26
19 DEFAULT SETTING VALUES............................................................................................................................... 27