- 139 -
[
VII
Control ]
VII
Control
[1] Functions and Factory Settings of the Dipswitches
1. Outdoor unit
(1) Main board
[PUHY]
Switch
Function
Function according to switch setting
Switch setting timing
OFF
ON
OFF
ON
SWU
1-2
Unit address setting
Set to 00 or 51-100 with the dial switch
Before power on
SW1
1-10
For self-diagnosis/op-
eration monitoring
Refer to the LED monitor display on the
outdoor unit board.
Anytime after power on
SW2
1
Centralized control
switch
Without connec-
tion to the central-
ized controller
With connection to
the centralized
controller
Before power on
2
Deletion of connec-
tion information
Normal control
Deletion
Before power on
3
Deletion of error his-
tory SW
Storage of IC/OC
error history
Deletion of IC/OC
error history
Anytime after power on (When
switched from OFF to ON)
4
Refrigerant amount
adjustment
Normal control
Refrigerant amount
adjustment mode
Anytime after power on (Will be dis-
abled 2 hours after compressor start
up except during initial start up mode)
5
-
-
-
-
6
-
-
-
-
7
Forced defrost
Normal control
Forced defrost
starts
10 minutes after
compressor start-
up
Anytime after
power on (When
switched from
OFF to ON)
8
Defrost timer setting
50 minutes
90 minutes
Anytime after power on (When
switched from OFF to ON)
9
-
-
-
-
10
-
-
-
-
SW3
1
Test run mode: en-
abled/disabled
SW3-2 disabled
SW3-2 enabled
Anytime after power on
2
Test run mode: ON/
OFF
Stops all ICs
Sends a test-run
signal to all IC
After power on and when SW3-1 is
on.
3
Defrost start tempera-
ture
-10°C [14°F]
(-8 °C [18°F] for
126 model units
and above)
-7°C [19°F]
(-5 °C [23°F] for
126 model units
and above)
Anytime after power on
4
Defrost end tempera-
ture
10°C [50°F]
(7°C [45°F] for 126
model units and
above)
15°C [59°F]
(12°C [54°F] for
126 model units
and above)
Anytime after power on (except dur-
ing defrost operation)
5
-
-
-
-
6
Pump down operation Normal control
Pump down opera-
tion
After power on and while compressor
is stopped
7
Target condensing
temperature on the
heating mode Tcm
49°C [120°F]
53°C [127°F]
Anytime after power on
8
-
-
-
-
9
Unit model selection
Refer to the next page
Before power on
10
-
-
-
-
Note: All are set to OFF at factory shipment. Unless otherwise specified, set the switch to OFF where indicated by "-,"
which may be set to a certain setting for a reason.
Содержание PUHY-P168
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Страница 99: ... 90 III Outdoor Unit BC Controller Components 2 RELAY BOARD RELAY 4 board 3 RELAY BOARD RELAY 10 board ...
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Страница 126: ... 117 VI Refrigerant Circuit 1 Refrigerant Circuit Figure 119 2 Principal Parts and Functions 126 ...
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Страница 134: ... 125 VI Refrigerant Circuit 3 CMB P104 and P108NU GB sub TH25 TH22 LEV3a CP Solenoid valves Block Check valves Block ...
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Страница 366: ... 357 IX Troubleshooting ...
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Страница 368: ... 359 X LED monitor display on the outdoor unit board 1 How to read the LED on the service monitor 361 ...
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