Mitsubishi Electric BDT CITY MULTI Installation And Pre-Commissioning Booklet page 58

[5-1 Dipswitch Functions and Factory Settings ]
DIP SWITCHES OUTDOOR UNITS (Y SERIES)
5-1 Dipswitch Functions and Factory Settings
5 Control
5-1-1 Outdoor Unit Switch Functions and Factory Settings
(1) Control board
Switch
SWU 1-2 Unit address setting
Centralized control
1
switch
Deletion of connec-
2
tion information
3
SW5
4
5
6
7
8
1
2
3
Model setting (out-
4 door unit/high static
pressure setting)
Model setting (out-
5 door unit/high static
pressure setting)
6
SW6
Performance-priority/
7 low-noise mode set-
ting
Low-noise mode/step
8
demand switching
9
Self-diagnosis moni-
tor display / SW4
10
function setting mode
switching
1) Unless otherwise specified, leave the switch to OFF where indicated by "-" or where the cells are blank, which may be set to
OFF for a reason.
2) A: Only the switch on OC needs to be set for the setting to be effective.
B: The switches on both the OC and OS need to be set to the same seeing for the setting to be effective.
C: The switches on both the OC and OS need to be set.
3) When set to the performance-priority mode, the low-noise mode will be terminated, and the units will operate in the normal
mode.
Cooling: Ambient temperature or the high pressure is high.
Heating: When the outside air temperature is low or when the low pressure is low. Refer to the following page(s). [2-4-7 Var-
ious Control Methods Using the Signal Input/Output Connector on Outdoor Unit](page 28)
4) Operation noise is reduced by controlling the compressor frequencies and the rotation speed of the outdoor unit fans.
CN3D needs to be set. Refer to the following page(s). [2-4-7 Various Control Methods Using the Signal Input/Output Connec-
tor on Outdoor Unit](page 28)
HWE1314A
58
Function according to switch setting
Function
OFF
Set to 00 or 51-100 with the dial switch
Without connec-
tion to the central-
ized controller
Normal control
-
-
-
-
-
-
- -
- -
- -
Normal static pres-
sure
High (60 Pa)
- -
Performance-pri-
ority mode (Note 3)
Low-noise mode
(Note 4)
- -
Self-diagnosis
monitor display
Switch setting tim-
ON
Before power on
With connection to
the centralized con- Before power on
troller
Deletion Before power on
Preset before shipment
-
-
-
High static pres-
Before power on
sure
High (30 Pa) Before power on
-
Anytime after power
Quiet-priority mode
on
Step demand mode Before power on
-
SW4 function set- Anytime after power
ting mode on
- 127 -
Units that require
switch setting
ing
(Note 2)
C
B
A
-
-
-
-
-
-
- -
- -
- -
C
C
- -
A
C
- -
C
GB