SYSVRF AHU S IOM

10. DEFINITION OF EACH DIAL SWITCH
SW1 Definition
Note：the quantity set of slave DX AHU
control box only need in master indoor unit.
1 means factory test mode
0 means auto addressing mode
(Default setting)
000 means the quantity of slave
DX AHU control box is 0
ON
1 2 3 4
SW1
ON
1 2 3 4
SW1
ON
1 2 3 4
SW1
ON
1 2 3 4
SW1
ON
1 2 3 4
SW1
ON
1 2 3 4
SW1
ON
1 2 3 4
SW1
ON
1 2 3 4
SW1
ON
1 2 3 4
SW1
001 means the quantity of slave
DX AHU control box is 1
010 means the quantity of slave
DX AHU control box is 2
011 means the quantity of slave
DX AHU control box is 3
100 means the quantity of slave
DX AHU control box is 4
(reserved)
101 means the quantity of slave
DX AHU control box is 5
(reserved)
110 means the quantity of slave
DX AHU control box is 6
(reserved)
111 means the quantity of slave
DX AHU control box is 7
(reserved)
1 means reserved
0 means new display penal
(Default setting)
SW2 Definition
ON
1 2 3 4
SW2
ON
1 2 3 4
SW2
ON
1 2 3 4
SW2
ON
1 2 3 4
SW2
ON
1 2 3 4
SW2
ON
1 2 3 4
SW2
SW3 Definition
1 means indoor capacity requir-
ment recorrection is 80%
0 means indoor capacity requir-
ment recorrection is 100%
(Default setting)
1 means to connect SIEMENS
controller and non-auto restart
function
0 means to connect SYSTEMAIR
controller and auto restart function
(Default setting)
1 2
ON
SW3
1 2
ON
SW3
SW5 Definition
1 2
ON
SW5
1 2
ON
SW
1 2
ON
SW5
1 2
ON
SW5
1 2
ON
SW5
000 means master DX
AHU control box
001 means slave DX
AHU control box 1
010 means slave DX
AHU control box 2
011 means slave DX
AHU control box 3
100 means slave DX
AHU control box 4
(reserved)
101 means slave DX
AHU control box 5
(reserved)
111 means slave DX
AHU control box 7
(reserved)
SW6 Definition
Indoor unit address assignment
1 2 3
ON
SW6
1 2 3
ON
SW6
1 2 3
ON
SW6
1 2 3
ON
SW6
1 2 3
ON
SW6
1 2 3
ON
SW6
1 2 3
ON
SW6
1 2 3
ON
SW6
110 means slave DX
AHU control box 6
(reserved)
Note, After changing the status of any dial switch on the main
board, be sure to turn off the total power switch and then switch
on. The setting function can not be carried out if not to turn off
the total power switch and then switch on.
9-2-3 Operation instruction.
When SIEMENS controller has been selected, DX AHU box will
operate according to the control signal from SIEMENS controller
and output alarm, defrost and run status signal.
12
installation manual
Table.10-1
Table.10-2
Table.10-3
Table.10-4
Table.10-5
1 means factory relay test mode
0 means regular mode
(Default setting)
00 means when temperature is
15°C or below fan will stop to
prevent cold air (Default setting)
01 means when temperature is
20°C or below, fan will stop to
prevent cold air
10 means when temperature is
24°C or below fan will stop to
prevent cold air
11 means when temperature is
26°C or below fan will stop to
prevent cold air
00 means temperature compen-
sation value is 6℃ under heat
mode (Default setting)
01 means temperature compen-
sation value is 2℃ under heat
mode
10 means temperature compen-
sation value is 4℃ under heat
mode
11 means temperature compen-
sation value is 8℃ under heat
mode
Note，the fan will keep running when T1 has reached
the set temperature under heat mode, but the function
to prevent cold air still remain in effect, that means the
fan will stop when T2 below the temperature setted by
SW2.