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Controller
MEE15K022
3. System remote controller
YKB/YLM 2nd
(2). Parts Purchased Separately
Prepare the following parts to install this device.
[Parts to be Purchased Separately]
[Commercially available parts]
[Recommended Pulse Specifications]
Prepare a measuring instrument that measures the type of pulse signals indicated in table below.
Required Part
Specification
Unit fixing screws
M4 screw × 4 (* M4: ISO metric screw thread)
Power supply for this
device
Power source: 24 VDC 0.2
A (Mini
mum loading), SELV circuit, power line with grounding terminal
Ripple noise: Lower than 200 mVp-p
Compatible specification
Authorized or CE marked products
Subject to regulations:
- IEC60950 (or EN60950)
- CISPR22/24 (or EN55022/24)
- IEC61000-3-2/3-3 (or EN61000-3-2/3-3)
Power line
Use a sheathed vinyl cord or cable.
At least 0.75 mm
2
(AWG18)
M-NET transmission
line
T
ype of the cable: Sheathed vinyl
cords or cable which comply with the following specifications or
equivalent.
• CPEV
1.2 mm to
1.6 mm • CVVS 1.25 mm
2
to 2 mm
2
(AWG16 to 14)
*
CPEV:
PE insulated PVC jacketed shielded communication cable
*
CVVS:
PVC insulated PVC jacketed shielded control cable
PE:
Polyethylene
PVC:
Polyvinyl choloride
Power needs to be supplied to the M-NET circuitry of this device. Use an outdoor unit or a separately
purchased power supply unit for the transmission line.
Signal lines
Shows the size of the electric wire (copper wire) that is adapted to the terminal block of this device.
Electric wire size......
...........
(1)
Solid wire:
0.65 mm (AWG21) -
1.2 mm (AWG16)
(2)
Stranded wire: 0.75 mm
2
(AWG18) - 1.25 mm
2
(AWG16)
Single strand: At least
0.18 mm
Name
Model
Application
Remark
Power supply unit
PAC-SC51KUA
Power supply to the M-NET transmission line
This is not required when power is to be
supplied from an outdoor unit.
Part
Use
Remark
External 24 VDC
power source
Supplies power to the PI controller.
Refer to "Power supply for this device" in "Required
Part" above for the capacity of the power supply.
Type
Specification
Output pulse relay
method
Semiconductor relay method
Output pulse width
100 ~ 300 ms (100 ms and above)
Choose an instrument that outputs non-voltage a-contact
point pulse per each pulse output.
Pulse unit
Watt-hour meter: 0.1 kWh/pulse, 1 kWh/pulse recommended
Water meter:
m
3
/pulse
Gas meter:
m
3
/pulse
Calorimeter: MJ/pulse
*
Except for the watt-hour meter, select instruments that take measurements in the appropriate pulse unit.
100 ~ 300 ms
100 ms or more
ON
