Mitsubishi Electric PUHY-HP120TNU-A, Service Handbook, Page: 91 / 324

[5-1 Dipswitch Functions and Factory Settings ]
4
- chapter 5 HWE18240_GB
5 Control
(2) Additional dipswitch settings at time of shipment
Switch Function
Function according to switch setting
Switch setting timing
Units that
require
switch
setting
(Note 2)
OFF (LED3 Unlit) ON (LED3 Lit)
SW4
SW6-10:
OFF
1-10
1:ON, 0:OFF Self-diagnosis/operation
monitor
Anytime after power on C
SW4
1-10
[0:OFF,
1:ON]
(Note 1)
SW6-10:ON
No.769 1000000011 Test run mode: ON/OFF Stops all ICs
Sends a test-run sig-
nal to all IC
Anytime after power on A
No.817 1000110011 Starts up drive recorder Enabled Disabled Anytime after power on A
No.818 0100110011
Data collection during an
error
Disabled Enabled Anytime after power on A
No.832 0000001011
Cumulative compressor
operation time deletion
Retained Cleared
Any time after being energized (When
changed from OFF to ON)
C
No.848 0000101011
Continuous heating cycle
function
Disabled Enabled
After being energized and while the com-
pressor is stopped
B
No.891 1101111011
Smooth auto-shift startup
mode during startup of
heating operation
Disabled Enabled
After being energized and while the com-
pressor is stopped
A
No.896 0000000111
Clearance of error
history
OC Retained (IC/OC) Deleted (IC/OC)
Anytime after power on (OFF
ĺ
ON) C
OS Retained (OS) Deleted (OS)
No.897 1000000111
High sensible heat opera-
tion setting
Depends on the combined setting with No.
900 (Note 4)
(Factory setting: OFF)
After being energized and while the com-
pressor is stopped
A
No.900 0010000111
High sensible heat opera-
tion setting
Depends on the combined setting with No.
897 (Note 4)
(Factory setting: OFF)
After being energized and while the com-
pressor is stopped
A
No.912 0000100111 Pump down function Normal control
Pump down opera-
tion After being energized and while the com-
pressor is stopped
A
No.913 1000100111 Forced defrost (Note 3) Normal control Forced defrost starts
Anytime after power on
10 minutes after the completion of de-
frost operation (OFF
ĺ
ON) or 10 minutes
after compressor start-up (OFF
ĺ
ON)
D
No.915 1100100111
Defrost start temperature
(Note 3) HP72 - HP120:
-11°C [12°F]
-8°C [18°F] Anytime after power on B
No.916 0010100111
Defrost end temperature
(Note 3) HP72 - HP120:
7°C [45°F]
5°C [41°F] Anytime after power on B
No.918 0110100111
Changes the defrost timer
setting (Note 3)
50 minutes 90 minutes Anytime after power on (OFF
ĺ
ON) B
No.921 1001100111
Temperature/pressure unit
selection
°C/kgf/cm
2
°F/psi Anytime after power on C
No.922 0101100111
Refrigerant amount adjust-
ment
Normal control
Refrigerant amount
adjust mode
Anytime after power on (except during
initial startup/becomes ineffective 90
minutes after compressor started up.)
A
No.932 0010010111 Heating backup Disabled Enabled Anytime after power on A
No.933 1010010111 Snow sensor setting
Effective only when
TH7
”
5 is true or the
snow sensor contact
input is on.
Effective when TH7
”
5 is true
Anytime after power on C
No.934 0110010111 Snow sensor setting
Continuous fan op-
eration (FAN=50%)
Intermittent fan op-
eration (The fan op-
erates in the cycle of
being in operation at
100% capacity for 5
minutes and then
stops and remains
stopped for 30 min-
utes.)
Anytime after power on C
No.964 0010001111
Target evaporation tem-
perature setting
Depends on the setting combination with No.
982 (Note 5)
(Factory setting: OFF)
Anytime after power on A
No.968 0001001111
Target condensation tem-
perature setting
(Tcm max=53°C [126°F])
Disabled Enabled Anytime after power on A
No.972 0011001111
Automatic cooling/heating
mode (IC with the smallest
address)
Normal control
Automatic cooling/
heating mode Before power on (After configuring the
setting, perform a power reset.)
A
No.974 0111001111 Panel heater output Enabled Disabled
After being energized and while the com-
pressor is stopped
D
No.982 0110101111
Target evaporation tem-
perature setting
Depends on the setting combination with No.
964 (Note 5)
(Factory setting: OFF)
Anytime after power on A
No.988 0011101111
Refrigerant recovery/Evac-
uation (LEV2, LEV1, SV2
open)
Disabled Enabled
After being energized and when units are
stopped
C
No.997 1010011111
Multiple-stage low-noise
setting See note 8 below.
(Factory setting: OFF) After power on and while the compressor
is stopped
A
No.1006 0111011111