vi • XM678D I&O Manual 026-1219 Rev 3
11.1. DIRECT COMMAND INTERFACE ................................................................................................................................ 20
11.2. I
CONS ........................................................................................................................................................................ 20
11.3. K
EYBOARD COMMANDS ........................................................................................................................................... 21
11.3.1. Double Commands ........................................................................................................................................... 21
11.4. H
OW TO MODIFY THE AIR TEMPERATURE REGULATION SETPOINT ........................................................................ 21
12 HOW TO PROGRAM THE PARAMETERS (PR1 AND PR2) ........................................................................... 22
12.1. H
OW TO ENTER PR2 ................................................................................................................................................. 22
12.2. H
OW TO MOVE A PARAMETER FROM PR1 TO PR2 LEVEL AND VICE VERSA .......................................................... 22
13 FAST ACCESS MENU.............................................................................................................................................. 23
14 MULTIMASTER FUNCTION MENU (SEC) ........................................................................................................ 24
14.1. S
YNCHRONIZED DEFROST ......................................................................................................................................... 25
14.1.1. Daily Defrost From RTC: [EdF = rtC] ........................................................................................................... 25
15 COMMISSIONING ................................................................................................................................................... 26
15.1. C
LOCK SETTING AND RTC ALARM RESET............................................................................................................... 26
15.2. E
LECTRONIC VALVE SETTINGS................................................................................................................................. 26
16 REGULATION FOR SUPERHEAT: SELF ADAPTIVE OR MANUAL OPERATING MODE..................... 27
16.1. P
RESSURE FILTERING - SUB PARAMETER ................................................................................................................. 27
16.2. G
ENERAL CONSIDERATIONS ..................................................................................................................................... 27
16.3. M
ANUAL OPERATING MODE - AMS = NO ............................................................................................................. 27
16.3.1. ON/OFF Temperature Regulation [CrE = n].................................................................................................. 28
16.3.2. Continuous Temperature Regulation [CrE = Y] (With Superheat Regulation) .............................................. 28
16.3.3. Continuous Temperature Regulation [CrE = Y] (Without Superheat Regulation) ......................................... 28
16.4. S
ELF ADAPTIVE OPERATING MODE -
AMS = YES ........................................................................................................................................................................ 28
16.5. M
INIMUM STABLE SUPERHEAT SEARCH - AMS = YES, ATU = YES..................................................................... 28
16.6. V
ALVE CAPACITY REDUCING - MNF PARAMETER .................................................................................................. 28
16.6.1. Auto Zero Procedure (Go Home Functions).................................................................................................. 29
17 DISPLAY MESSAGES.............................................................................................................................................. 30
17.1. A
LARM RECOVERY ................................................................................................................................................... 31
18 USE OF THE PROGRAMMING HOT KEY ......................................................................................................... 32
18.1. D
OWNLOAD (FROM THE HOTKEY TO THE DEVICE).................................................................................................. 32
18.2. U
PLOAD (FROM THE DEVICE TO THE HOTKEY) ....................................................................................................... 32
19 CONTROLLING LOADS......................................................................................................................................... 33
19.1. C
OOLING OUTPUT..................................................................................................................................................... 33
19.2. S
TANDARD REGULATION AND CONTINUOUS REGULATION ..................................................................................... 33
19.2.1. Standard regulation: [CrE = n]....................................................................................................................... 33
19.2.2. Continuous regulation:
[CrE = Y] ........................................................................................................................................................................ 33
19.2.3. Evaporator valves: [CrE = EUP].................................................................................................................... 33
19.3. D
EFROST ................................................................................................................................................................... 33
19.3.1. Defrost starting ................................................................................................................................................ 33
19.3.2. Defrost Ending ................................................................................................................................................. 34
19.4. F
ANS ......................................................................................................................................................................... 34
19.4.1. Control With Relay........................................................................................................................................... 34
19.4.2. Control With Analog Output (If Present)......................................................................................................... 34
19.5. A
NTI-SWEAT HEATERS ............................................................................................................................................. 34
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