Interface Controller Switch Setting - Mitsubishi Electric PUHZ-W50VHA Technical Manual

<Thermistor Characteristic graph>
Target temperature thermistor (TH1)
Thermistor for
lower temperature Pipe temperature thermistor/liquid (TH2)
Pipe temperature thermistor / 2-phase (TH5)
Thermistor R0 =15k" ± 3%
Fixed number of B =3480 ± 2%
1
Rt =15exp { 3480 (
273+t
0: 15k"
10: 9.6k"
20: 6.3k"
25: 5.4k"
30: 4.3k'
40: 3.0k"

5. Interface controller switch setting

Set the switches following the system specifi cations below.
Switch1. Switch6 : Input selection of inverter capacity setting
Input
REMOTE SWITCH
Type A (4bit-8 setting)
REMOTE SWITCH
Type B (1bit-1 setting)
4-20mA
1-5V
0-10V
0-10kΩ
No input (AUTO mode)
SW1-4~8 : OFF fi xed (Initial setting)
• SW2-1/2-2 : Fixed operation mode
SW2-1 SW2-2 Details
OFF OFF Not FIX (Depending on Remote controller setting)
ON OFF [Cooling]FIX
OFF ON [Heating]FIX
ON ON External input(Depending on TB142-3,4)
• SW2-3/2-4/2-5 : Fixed set temperature [For Auto step mode only]
SW2-3 SW2-4 SW2-5
OFF OFF OFF
ON OFF OFF
OFF ON OFF
ON ON OFF
OFF OFF ON
ON OFF ON
OFF ON ON
ON ON ON
Set switches in case of auto step mode.
SW2-6 : Setting of TH5
When TH5 (2-phase pipe temp. thermistor) is connected, it is necessary to set the Dip SW2-6 of the interface controller.
SW2-6 Details
OFF Connect TH5
ON Not connect TH5 (Initial setting)
SW2-7, 8 : OFF fi xed (Initial setting)
SW3 : LED2~5 display setting (Refer to 8.)
1
– ) }
273
SW 1-1 SW 1-2 SW 1-3
OFF OFF OFF
ON OFF OFF
ON ON OFF
ON ON OFF
OFF OFF ON
ON OFF ON
OFF ON ON
Details
Not fi xed (Remote controller setting)
Cooling 19 ˚C /Heating 17 ˚C FIX
20 ˚C FIX
22 ˚C FIX
24 ˚C FIX
26 ˚C FIX
28 ˚C FIX
Cooling 30 ˚C / Heating 28 ˚C FIX
50
40
30
20
10
SW 6-1 SW 6-2 Step for capacity setting
OFF OFF OFF/Step1/Step2/.../Step7/Auto step
OFF OFF OFF/Step1/Step4/Step7/Auto step
ON ON OFF/Step1/Step2/.../Step7
OFF ON OFF/Step1/Step2/.../Step7
OFF OFF OFF/Step1/Step2/.../Step7
OFF OFF OFF/Step1/Step2/.../Step7/Auto step
OFF OFF Only Auto step mode
31
< Thermistor for lower temperature >
0
-20 -10 0 10 20 30 40 50
Temperature ( )