vi • XM678D I&O Manual
026-1219 Rev 3
11.1. D
IRECT
C
OMMAND
I
NTERFACE
................................................................................................................................ 20
11.2. I
CONS
........................................................................................................................................................................ 20
11.3. K
EYBOARD
C
OMMANDS
........................................................................................................................................... 21
11.3.1. Double Commands ........................................................................................................................................... 21
11.4. H
OW
TO
M
ODIFY
THE
A
IR
T
EMPERATURE
R
EGULATION
S
ETPOINT
........................................................................ 21
12 HOW TO PROGRAM THE PARAMETERS (PR1 AND PR2) ........................................................................... 22
12.1. H
OW
TO
E
NTER
P
R
2 ................................................................................................................................................. 22
12.2. H
OW
TO
M
OVE
A
P
ARAMETER
F
ROM
P
R
1
TO
P
R
2 L
EVEL
AND
V
ICE
V
ERSA
.......................................................... 22
13 FAST ACCESS MENU.............................................................................................................................................. 23
14 MULTIMASTER FUNCTION MENU (SEC) ........................................................................................................ 24
14.1. S
YNCHRONIZED
D
EFROST
......................................................................................................................................... 25
14.1.1. Daily Defrost From RTC: [EdF = rtC] ........................................................................................................... 25
15 COMMISSIONING ................................................................................................................................................... 26
15.1. C
LOCK
S
ETTING
AND
RTC A
LARM
R
ESET
............................................................................................................... 26
15.2. E
LECTRONIC
V
ALVE
S
ETTINGS
................................................................................................................................. 26
16 REGULATION FOR SUPERHEAT: SELF ADAPTIVE OR MANUAL OPERATING MODE..................... 27
16.1. P
RESSURE
F
ILTERING
- S
UB
P
ARAMETER
................................................................................................................. 27
16.2. G
ENERAL
C
ONSIDERATIONS
..................................................................................................................................... 27
16.3. M
ANUAL
O
PERATING
M
ODE
- 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
A
DAPTIVE
O
PERATING
M
ODE
-
AMS = YES ........................................................................................................................................................................ 28
16.5. M
INIMUM
S
TABLE
S
UPERHEAT
S
EARCH
- AMS = YES, ATU = YES..................................................................... 28
16.6. V
ALVE
C
APACITY
R
EDUCING
- MNF P
ARAMETER
.................................................................................................. 28
16.6.1. Auto Zero Procedure (Go Home Functions).................................................................................................. 29
17 DISPLAY MESSAGES.............................................................................................................................................. 30
17.1. A
LARM
R
ECOVERY
................................................................................................................................................... 31
18 USE OF THE PROGRAMMING HOT KEY ......................................................................................................... 32
18.1. D
OWNLOAD
(F
ROM
THE
H
OTKEY
TO
THE
D
EVICE
).................................................................................................. 32
18.2. U
PLOAD
(F
ROM
THE
D
EVICE
TO
THE
H
OTKEY
) ....................................................................................................... 32
19 CONTROLLING LOADS......................................................................................................................................... 33
19.1. C
OOLING
O
UTPUT
..................................................................................................................................................... 33
19.2. S
TANDARD
R
EGULATION
AND
C
ONTINUOUS
R
EGULATION
..................................................................................... 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
-S
WEAT
H
EATERS
............................................................................................................................................. 34
Summary of Contents for XM678D
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Page 74: ...Figure 1 MODBUS COM Wiring Diagram 66 XM678D I O Manual 026 1219 Rev 3 ...
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