Mitsubishi Electric PCA-A24KA4, Руководство по обслуживанию

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System constraint
· This function is available only in cooling mode.
Ex.) Set temp. by R/C = 20
:
(68°F)
Set point = 26 : (79°F)
When request code number is “323”.
26 : 2nd unit Cut-in
4 degree C
22 : 2nd unit Cut-out
20
:
10-1-2. How to set rotation function (Back-up function, 2nd stage cut-in function)
You can set these functions by wired remote controller.(Maintenance monitor)
Both main and sub unit should be set in same setting.
Every time replacing indoor controller board for servicing, the function should be set again.
NOTE
Setting No.
(Request code)
Setting contents
Initial
setting
No.1
(310)
Monitoring the request code of current setting.
No.2
(311)
Rotation and Back-up OFF (Normal group control operation)
No.3
(312)
Back-up function only
No.4
(313)
Rotation ON (Alternating interval = 1day) and back up function
No.5
(314)
Rotation ON (Alternating interval = 3day) and back up function
No.6
(315)
Rotation ON (Alternating interval = 5day) and back up function
No.7
(316)
Rotation ON (Alternating interval = 7day) and back up function
No.8
(317)
Rotation ON (Alternating interval = 14day) and back up function
No.9
(318)
Rotation ON (Alternating interval = 28day) and back up function
Setting No.
(Request code)
Setting contents
Initial
setting
No.1
(320)
Monitoring the request code of current setting.
No.2
(321)
Cut-in function OFF
No.3
(322)
Cut-in Function ON(Set point = Set temp.+ 4°C(7.5°F))
No.4
(323)
Cut-in Function ON(Set point = Set temp.+ 6°C(10.8°F))
No.5
(324)
Cut-in Function ON(Set point = Set temp.+ 8°C(14.4°F))
(1) Request Code List
Rotation setting
2
nd stage cut-in setting
[2nd stage cut-in function]··· Request code number "322~324"
Start operation Sub unit start operation
Room temp. Set point
Sub unit stop
Run
Stop Stop Run
Main
unit
IC-1
Sub
unit
IC-2
Room temp. < Set point -4 (-7.5°F)
(68°F)
(71.5°F)
(79°F)
(7.5 degreeF)