Mitsubishi Electric PAC-IF013B-E Para El Instalador página 8

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4. Electrical work
Interface unit power supply
Interface unit input capacity
Main switch (Breaker)
Interface unit power supply
Interface unit power supply earth
Interface unit-Outdoor unit
Interface unit-Outdoor unit earth
Interface unit L-N
Interface unit-Outdoor unit S1-S2
Interface unit-Outdoor unit S2-S3
Notes: 1. Wiring size must comply with the applicable local and national code.
2. Interface unit/outdoor unit connecting cords shall not be lighter than polychloroprene sheathed flexible cord. (Design 60245 IEC 57)
Interface unit power supply cords shall not be lighter than polychloroprene sheathed flexible cord. (Design 60227 IEC 53)
3. Install an earth longer than other cables.
4.1.3. Connecting thermistor cable
Connect the thermistor 2 for the interface controller.
1. Target temp. thermistor (TH1)
Connect the thermistor for the target temp. to 1 and 2 on the terminal block (TB61)
on the interface controller.
2. HEX inlet temp. thermistor (TH11)
Connect the thermistor for the HEX inlet temp. to 3 and 4 on the terminal block
(TB61) on the interface controller.
3. Ref. liquid temp. thermistor (TH2)
Connect the thermistor for the ref. liquid temp. to 5 and 6 on the terminal block
(TB61) on the interface controller.
4. 2-phase temp. thermistor (TH5)
Connect the thermistor for the 2-phase temp. to 7 and 8 on the terminal block
(TB61) on the interface controller.
When the thermistor cables are too long, cut it to the appropriate length.
Do not bind it in the interface unit.
The 4 thermistors have the same specification except the color of cables, thus we do not specify which thermistor should be
installed to which position.
Notes: When multiple outdoor units are connected, conect thermistors to each interface unit respectively.
Caution:
Do not route the thermistor cables together with power cables.
The sensor part of the thermistor should be installed where user can not access. (It should be separated by the supplementary insulation from areas the user can access.)
4.1.4. Connecting external input
Demand control is available by external input.
Select input type by setting the switch of the interface controller, and it is possible to set capacity request when manual step mode ("Analog input" , "Remote switch" or "Modbus") is selected.
Switch1, Switch 6 : Input selection of inverter capacity setting
Input
REMOTE SWITCH Type A (4bit-8 setting) OFF
REMOTE SWITCHType B (1bit-1 setting)
Analog (4-20mA)
Analog (1-5V)
Analog (0-10V)
Analog (0-10kΩ)
No input (Auto step mode)
Modbus
• Capacity setting
Analog input
Variable
resistor
4-20mA
1-5V
(0-10kΩ)
OPEN(12kΩ-)
10kΩ
7.5kΩ
19-20mA 4.75-5V
5.6kΩ
17mA
4.25V
4.3kΩ
15mA
3.75V
3.3kΩ
13mA
3.25V
2kΩ
11mA
2.75V
1kΩ
9mA
2.25V
510Ω
7mA
1.75V
0-100Ω
4-5mA
0-1.25V
8
*2
*3
*4
*4
*4
SW 1-1 SW 1-2 SW 1-3 SW 6-1 SW 6-2
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
ON
OFF
ON
ON
ON
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
ON
ON
OFF
ON
ON
ON
OFF
Step for
capacity setting
TB 62
0-10V
Analog input
10-11
(COM-IN5)
OFF
Auto
OFF
9.75-10V Step11
max. ON
9.02V
Step10
8.20V
Step9
OFF
7.38V
Step8
ON
6.56V
Step7
5.75V
Step6
OFF
4.93V
Step5
4.11V
Step4
ON
3.29V
Step3
OFF
2.47V
Step2
1.66V
Step1
min.
ON
0-0.63V
OFF
OFF
~/N 230 V 50 Hz
16 A
2 × Min. 1.5
1 × Min. 1.5
2 × Min. 0.3
*2. A breaker with at least 3.0 mm contact separation in each pole
shall be provided. Use earth leakage breaker (NV).
The breaker shall be provided to ensure disconnection of all active
230 V AC
phase conductors of the supply.
*3. Max. 120 m
*4. The values given in the left table are not always measured against
24 V DC
the ground value.
TB61
TH1
TH11
TH2
TH5
Step for capacity setting
OFF
OFF
ON
See the "Capacity setting" table below.
ON
OFF
OFF
OFF
Only Auto step mode
OFF
OFF/Step1/Step2/.../Step11
Remote switch
TB 62
TB 62
TB 62
10-12
10-13
10-14
(COM-IN6)
(COM-IN7)
(COM-IN8)
OFF
OFF
ON
ON
ON
OFF
ON
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
ON
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
At site
OFF – AUTO
<Photo 4.1.3>
Step for capacity setting
Remote SW
Remote SW
(Type A)
(Type B)
Auto
Auto
Step11
max.
Step9
Step8
Step6
Step11
max.
Step4
Step3
Step6
Step1
min.
Step1
min.
OFF
OFF
I/F
At site
{
10
11
Step1
12
Step6
13
Step11
14
AUTO
TB62
Remark
Stop
Auto step mode
Hz fixed mode
Stop
I/F
10
11
12
13
14
TB62

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