Output Specifi Cations - Mitsubishi Electric PUHZ-W50VHA Technical Manual

Air to water (atw) heat pump, interface (i/f) and flow temp. controller (ftc)
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• External function setting
This function is to set operation mode or to stop compressor by the external signal.
TB142
Item
1-2 (IN1)
Forced Comp. OFF
3-4 (IN2)Item
Fixed operation mode
Cable length : Maximum 10m
Remote switch : Minimum applicable load DC12V, 1mA
Caution:
The external input signals are separated by basic insulation from power
supply for the unit.
The external input signals should be separated by supplementary insu-
lation from where user may touch in case that it is installed where user
may touch.
Connect the terminals by using the ring terminals and also insulate the
cables of adjoining terminals when wiring to terminal block.
7. Output specifi cations
Connecting External Output
The signal in the following states can be output.
TB141
Item
1-2
(OUT1)
X1 Operation Output
3-4
(OUT2)
X2 Error Output
5-6
(OUT3)
X3 Comp. Output
7-8
(OUT4)
X4 Defrost Output
9-10
(OUT5)
X5 Mode(Cool) Output
11-12 (OUT6)
X6 Mode(Heat) Output
13-14 (OUT7)
Cable length : Maximum 50m
Output specifi cation : Non-voltage switch 1A or less , 240V AC
*Connect the surge absorber according to the load at site.
Note :
External output signals are separated by basic insula-
tion from other circuit of interface.
Caution :
When 2 or more external outputs are used, the power
supply on the output side should be the same.
Wiring specifi cation of External output / External input
Locally supplied parts
Item
Name
External output
External output
function
signal wire
Display lamp, etc. Non-voltage Contact AC220-240V (DC30V), 1A or less
External input
External input
function
signal wire
Switch
OFF
ON
Normal
Forced Comp. OFF
Cooling
Heating
OFF
OFF
Normal
OFF(Comp. OFF)
OFF
OFF
OFF
Model and specifi cations
Use sheathed vinyl coated cord or cable.
Wire type : CV, CVS or equivalent.
Wire size : Stranded wire 0.5mm
Solid wire: [0.65mm to [1.2mm
Use sheathed vinyl coated cord or cable.
Wire type : CV, CVS or equivalent.
Wire size : Stranded wire 0.5mm
Solid wire : [0.65mm to [1.2mm
Non-voltage "a" contact
33
Remark
Available when SW2-1 and SW2-2 are ON
4-20mA/1-5V/0-10V
Wired remote controller
(For maintenance)
ON
ON
Error
ON
(Comp. ON)
ON
(Defrosting)
ON
(Cooling)
At site
ON
(Heating)
TB141
2
2
to 1.25mm
2
2
to 1.25mm
At site
I/F
1
I/F
(
0-10 kΩ
2
3
+
(
4
At site
5
(
6
TB62
X1
X2 X3 X4 X5 X6
I/F
TB141
1
2
3
4
5
6 7 8
9 10 11 12 13 14
Photo.3-6
TB142
1
2
3 4

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