Mitsubishi Electric PUHY-P1000, Service Handbook

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[5-1 Dipswitch Functions and Factory Settings ]
- 85 -
HWE14040 GB
5 Cont
rol
5 Control
5-1 Dipswitch Functions and Factory Settings
5-1-1 Outdoor Unit Switch Functions and Factory Settings
(1) Control board
1) Unless otherwise specified, leave the switch to OFF where indicated by "-," 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 25)
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 25)
5) Operation noise is reduced by limiting the frequency of the compressor and rotation speed of the outdoor unit fan.
Switch Function
Function according to switch setting
Switch setting timing
Units that require
switch setting
(Note 2)
OFF ON
SWU 1-2 Unit address setting Set to 00 or 51-100 with the dial switch Before power on C
SW5
1
Centralized control
switch
Without connec-
tion to the central-
ized controller With connection to
the centralized con-
troller
Before power on
B
2
Deletion of connection
information
Normal control Deletion Before power on
A
3 -
Preset before shipment
-
4 - -
5 - -
6 - -
7 - -
8 - -
SW6
1 - - - - -
2
COP priority setting (at
low outside tempera-
ture) Heating capacity
priority control
mode
Heating COP priori-
ty mode
Before power on
A
3 - - - - -
4
Model setting (outdoor
unit/high static pres-
sure setting)
Normal static pres-
sure High static pres-
sure
Before power on
C
5
Model setting (outdoor
unit/high static pres-
sure setting)
High (60 Pa) High (30 Pa) Before power on
C
6 - - - - -
7
Performance-priority/
low-noise mode setting Performance-pri-
ority mode (Note 3) Quiet-priority mode
(Note 5) Anytime after power
on A
8
Low-noise mode/step
demand switching Low-noise mode
(Note 4)
Step demand mode Before power on
C
9 - - - - -
10
Self-diagnosis monitor
display / SW4 function
setting mode switching
Self-diagnosis
monitor display SW4 function set-
ting mode Anytime after power
on
C