38
• System constraint
· This function is available only in cooling mode.
[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
Ex.) Set temp. by R/C = 20
:
Set point = 26
:
When request code number is “323”.
26
:
2nd unit Cut-in
4 degree C
22
:
2nd unit Cut-out
20
:
(1) Request Code List
Rotation setting
Initial
setting
Initial
setting
2nd unit cut-in setting
Setting contents
Setting No.
(Request code)
No.7
(316)
No.8
(317)
No.9
(318)
Rotation and Back-up OFF (Normal group control operation)
Monitoring the request code of current setting.
Setting No.
(Request code)
No.1
(310)
No.2
(311)
No.3
(312)
No.4
(313)
No.5
(314)
No.6
(315)
Cut-in function OFF
Monitoring the request code of current setting.
Setting contents
Rotation ON (Alternating interval = 28days) and back-up function
Rotation ON (Alternating interval = 14days) and back-up function
Rotation ON (Alternating interval = 1day) and back-up function
Back-up function only
No.5
(324)
Rotation ON (Alternating interval = 7days) and back-up function
Rotation ON (Alternating interval = 5days) and back-up function
Rotation ON (Alternating interval = 3days) and back-up function
No.1
(320)
No.2
(321)
No.3
(322)
No.4
(323)
Cut-in function ON(Set point = Set temp.+ 4
(7.2°F)
Cut-in function ON(Set point = Set temp.+ 6
(10.8°F)
Cut-in function ON(Set point = Set temp.+ 8
(14.4°F)
11-1-2. 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.
NOTICE
OCH491B
