Dip Switch Functions - Mitsubishi Electric PWFY-P100VM-E-BU Data Book

2. Dip switch functions
Switch
1 TH0 thermistor selection
2
Operation after power recovery *1
3
4 Operation after power recovery
5
SW1
6
7 Test-run mode
Error history deleted
8
Resets the pre-error data overwrite
protection. *4
Effective only when SW1-7 is
9 set to ON and only on the HEX
models.
10 Brine mode *2
For self-diagnosis/operation
SW2 1-10
monitoring
1 Capacity setting (HEX unit only) 4HP
2 Service LED display selection
3
4
Cumulative compressor opera-
5
tion time is deleted.
SW3
6 Pump interlock operation
7
8
9
Sets the restart interval for the
10
delay mode. *4, *5
1
2
Use to change preset temperature
3
range for the Heating ECO mode.
Use to change preset temperature
4
range for the Anti-freeze mode.
SW4
5
6
7
8
9
10
Enabling/disabling ACCT sensor
1
error detection
2
SW5
3
4
*1 Valid only when SW1-4 is set to OFF
*2 Refer to P54.
*3 The following changes can be made by changing the setting of the switch from OFF to ON.
0.5 1 0.5
*4 This function is available on ver. 1.24 or later.
*5 When setting DipSW3-10 to ON, make sure that the water flow rate in the system is greater than the minimum design amount.
*6 This switch is reset when set from OFF to ON.
Function
Water inlet thermistor TH6
-
Remains stopped
Depends on the SW1-3 setting
-
-
OFF
Normal
Keep overwrite protection
Heating
Ineffective
Display in Centigrade
-
-
Normal
During Thermo-ON or
Thermo-OFF
-
-
Heating Thermo OFF differential change *3
9 seconds
Booster : Ineffective
HEX : Ineffective
Booster : Ineffective
HEX : Ineffective
-
-
-
-
-
-
Error detection enabled
-
-
-
2 0.5 3 0.5
Function according to switch setting
OFF ON
Water outlet thermistor TH8
-
Auto recovery (to the status
before power failure)
Forced to operate
-
-
ON
Deleted
Reset overwrite protection *6
Cooling
Effective
-
8HP (HEX unit only)
Display in Fahrenheit
-
-
Deleted
During Thermo-ON only
-
-
9 minutes and 59 seconds
Do not change from factory setting.
-
Booster : 30°C to 50°C
HEX : 30°C to 50°C
Booster : 10°C to 45°C
HEX : 10°C to 45°C
-
-
-
-
-
-
Error detection disable
(No load operation is possible)
-
-
-
4 0.5 5 0.5
- 85 -
Switch setting timing
Before power on
- -
Before power on
Before power on
- -
- -
Any time
Any time
Any time
Any time
- Any time
Before power on
Any time
- -
- -
Any time
Any time
- -
- -
Any time
Before power on
Before power on
Before power on
- -
- -
- -
- -
- -
- -
Any time
- -
- -
- -
6 0.5 7 0.5 8