Mitsubishi Electric PAC-YG60MCA Manuel de service

Mitsubishi Electric Air Conditioner Network System

PI controller

PAC-YG60MCA

Installation/Instruction Manual

Before using the device carefully read this installation/instruction manual to ensure proper operation.

Keep this manual for future reference and give it to the technician when the device is reinstalled or repaired.

Table of Contents

Page

1. Safety Precautions ..............................................1

2. Usage ..................................................................2

3. Parts List..............................................................2

4. Specifications ......................................................2

4-1. Device Specifications .........................2

4-2. External Dimensions...........................3

5. Example of System Configuration .......................4

6. Installation ...........................................................5

6-1. Parts Purchased Separately...............5

6-2. Installation Instructions .......................6

7. Wiring Instructions ...............................................7

7-1. Terminal Diagram ...............................7

7-2. Connecting the Power and M-NET

Transmission Lines.............................8

7-3. Connecting the Signal Lines...............9

(1) Pulse input (non-voltage a-contact)....9

8. Initial Settings ....................................................10

9. Dip Switch Functions .........................................11

10. LED Display Designations .................................12

10-1. Pulse Input and Error Displays .........12

10-2. Communication Error Displays .........12

11. System Operation Test......................................13

12. Precautions for Expansion.................................13

• Thoroughly read the following safety precautions before use.

• Hazards that can occur from incorrect handling are classified by the symbols below:

• After reading this manual, keep this manual for future reference. When the device is reinstalled or repaired, give this

manual to those who provide these services. When the user changes, make sure that the new user receives this

manual.

1Safety Precautions

Warning Incorrect handling can result in death, serious injury, etc.

Caution Incorrect handling can result in bodily injury and/or structure damage.

WARNING

Only a dealer or qualified technician should install, relocate,

reinstall, or repair the device.

Improper installation or repair may result in electrical shock or fire.

Properly install the device on a stable, load-bearing surface.

Device installed on an unstable surface may fall and cause injury.

Only use the specified cables; securely connect each so that the

terminals do not bear any cable weight.

Improperly connected or short-circuited cables may produce heat and

cause a fire.

Do not make any modifications or alternations to the device.

Modifications or improper repair may result in electric shock or fire.

Consult your dealer for repair.

All electrical work should be performed by an authorized

electrician according to local regulations and instructions

outlined in this manual.

Capacity shortage to the power supply circuit or improper installation

may result in electrical shock or fire.

Properly install the device according to the instructions in this

Installation/Instruction Manual.

Improper installation may result in electric shock or fire.

CAUTION

Do not install the device in a location where a flammable gas leak

may occur.

Gas may leak, collect around the device, ignite, and/or explode.

Do not install the device in environments where large amounts of

oil (including machine), sulfidizing gas, or acidic, alkaline,

chemical sprays are present.

These types of substances may damage internal parts, cause device

performance to be reduced, and cause electrical shock.

Do not install the device in a bathroom, kitchen, or any room

where steam could form. Condensation may develop and cause

electrical shock and/or the device to malfunction.

Use standard wires with the proper current capacity to avoid the

possibility of current leak, excessive heat, and/or fire.

Do not touch the main circuit board; also, make sure that dust

does not accumulate on the circuit board.

When installing the device in a hospital, communication facilities, etc., provide sufficient protection against frequency noise.

Power generators and inverters, high-frequency medical, or radio communication equipment may interfere with the normal operation of this device.

Subsequently, the device may also affect medical treatment, image broadcasting, etc., by creating frequency noise.

Include some slack in the power supply wires.

Tension on the wires may cause them to excessively heat up and/or

break, resulting in a fire.

Do not install the device in a location where there is direct

sunlight or where the temperature may become greater than 40°C

(104°F) or less than 0°C (32°F).

If the device is installed in such place, it may result in deformation or

malfunctions.

Do not immerse the device in water.

Doing so may lead to electric shock or malfunctions.

The maximum applied voltage for the device is 24 VDC - do not

use with an AC power source. (The maximum applied voltage for

the M-NET terminal is 30 VDC.)

Using the incorrect voltage may result in device failure, ignition, and/

or fire.

The PI controller counts pulses from a power meter, gas meter, water meter, and calorimeter. Combining the use of the

G(B)-50A and TG-2000A allows for calculating the charges for each unit and performing peak-cut (e.g., demand control)

operation.

• The following parts should be included in your shipment:

* In addition to the parts listed above, see your local Mitsubishi Electric dealer to purchase the other parts necessary to operate this device (Refer to

section 6-1). Furthermore, depending on the application, other Mitsubishi Electric parts may be required.

For details, refer to "6. Installation".

4-1. Device Specifications

*1: Supply electric power from a power unit for the transmission line or an outdoor unit. Furthermore, the power consumption factor of the M-NET

circuitry of this device is "1/4" (equivalent to one ME Remote Controller).

*2: Supply electric power from the main unit to the contacts of the meters.

*3: M3 is the size of the screw on the terminal block (ISO metric screw thread). The number indicates the screw diameter (mm).

2Usage

Caution: Usage Restrictions

• Mitsubishi Electric does not take financial responsibility for damages caused by issues beyond our control or special

circumstances (predicable or unpredictable); and secondary or accidental damages, and damages to other objects. We also

do not take financial responsibility for opportunities lost as a result of device failure, or electrical power failure at the end-

user site.

Mitsubishi Electric does not take financial responsibility caused by end-users' requests including, but not limited to, device

testing, startup, readjustment, and replacement.

• Because the PI controller only counts pulses, accuracy and performance of pulse conversion depend on the meter.

Mitsubishi Electric does not take financial responsibility for damages caused by issues beyond our control or special

circumstances (predicable or unpredictable); and secondary or accidental damages and damages to other object.

• Depending on each country's laws and regulations, etc., there may be cases these measured charges cannot be used for

certificate of transaction.

3Parts List

Number Part Name Quantity

1 PI controller 1

2 Installation/instruction manual (this document) 1

4Specifications

Item Rating and Specification

Power Supply 24 VDC±10%: 5 W

Screw terminal block (M3) (*3)

Interface

M-NET communication 17 to 30 VDC (*1)

Screw terminal block (M3) (*3)

Non-voltage a-contact

input

Number of contacts: 4

Pulse signal: a-contact

Pulse width: 100 ms to 300 ms

(Idle period until next pulse: 100 ms or more)

Rated voltage: 24 VDC

Rated current: 1 mA or less (*2)

Screwless terminal block

*Refer to section 6-1.

Environment

Conditions

Temperature Operating temperature range 0 to 40°C [32°F to 104°F]

Storage temperature range -20 to 60°C [-4°F to 140°F]

Humidity 30 to 90%RH (no condensation)

Dimensions 200 (W) × 120 (H) × 45 (D) mm / 77/8(W) × 43/4(H) × 125/32 (D) in

Weight 0.6 kg / 13/8lb

Time Backup

During Power

Failure

In the event of power failure or shut-off, the internal capacitor will continue to track time for approximately one week.

(The internal capacitor takes about 24 hours to fully charge; a replacement battery is not necessary.)

Installation

Environment

Inside a control panel (indoors)

* Use this product in a hotel, a business office environment or similar environment.

100 ms or more

100 ms ~ 300 ms

4-2. External Dimensions

200

(

)

(

125

)

107.6

(

)

(

)

110

(

411

)

(

)

120

(

)

150

(

529

)

(

)

83.5

(

)

(

)

(

)

46.5

(

127

)

4.5

(

)

harmful interference, and (2)this device must accept any interference

received, including interference that may cause undesired operation.

subject to the following two conditions: (1)this device may not cause

This device complies with Part15 of the FCC Rules.Operation is

[ 24 VDC Power Supply]

(

)

Unit: mm (in)

5Example of System Configuration

TB3

M-NETM-NET

LAN TB7

Centralized control line

Indoor control line

PI controller

G-50A or GB-50A

G(B)-50A Web

or TG-2000A

Uninterruptible

power supply

(UPS)

Watt-hour meter with

pulse transmitter, etc.

Maximum of 5 units (total of 20 channels) per G(B)-50A

However, the number of units that can be connected to a

G(B)-50A is up to 50 including this device, an indoor unit,

LOSSNAY unit, etc.

* For the number of units that can be connected when controlling

this device with TG-2000A, refer to the instruction manual for

TG-2000A.

* This figure omits the power supply line and only shows the transmission line.

Power supply unit

PAC-SC50KUA

PI controller 24 VDC

power supply

Up to 4 contacts

Watt-hour meter with

pulse transmitter, etc.

Uninterruptible

power supply

(UPS)

24 VDC

power supply

Up to 4 contacts

CITY MULTI

Note:

• For the shield ground of the M-NET centralized control line for central control, use single-point grounding at the power unit

for the transmission line.

However, when supplying electric power to the M-NET centralized control line from the R410A series outdoor unit without

using a power supply unit for the transmission line, use single-point grounding at the TB7 of that outdoor unit.

Furthermore, when connecting this device to the M-NET indoor control line, use grounding at the TB3 for each outdoor unit

system.

• Connecting an Uninterruptible power supply (UPS) to the 24 VDC power supply is recommended in order to prevent the loss

of pulse data in the event of a power failure.

If a UPS cannot be connected, try to make the AC power supply to the 24 VDC power supply as much same as the AC power

supply line to the meters.

• This device does not support level meters. To use a level meter, incorporate a Converter circuit externally and convert to

pulse input.

• If the M-NET transmission line of this device is connected to an M-NET indoor control line and the outdoor unit is down

because, for example, the power supply is interrupted for servicing or there is a failure, the PI controller cannot be controlled

from the system controller.

6-1. 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.

6Installation

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 (Minimum 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 mm² (AWG18)

M-NET transmission

line

Type of the cable: Sheathed vinyl cords or cable which comply with the following specifications or

equivalent.

• CPEV Φ1.2 mm to Φ1.6 mm • CVVS 1.25 mm² to 2 mm² (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: Φ0.65 mm (AWG21) - Φ1.2 mm (AWG16)

(2) Stranded wire: 0.75 mm² (AWG18) - 1.25 mm² (AWG16)

Single strand: At least Φ0.18 mm

Name Model Application Remark

Power supply unit PAC-SC50KUA

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: m3/pulse

Gas meter: m3/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

6-2. Installation Instructions

The PI controller PAC-YG60MCA does not have a waterproof structure.

Be sure to install the PI controller inside a control panel that is located indoors.

Prepare a control panel capable of storing this device such as the one shown in the figure. (Install the device in a control

panel strong enough to withstand a weight of 0.6 kg [13/8lb].)

This device can be installed horizontally, or as shown below, vertically. The following diagram also provides a rough

estimate of how much space is required around the installation.

(1) Fix the top of this device to the control panel at two points by loosely tightening the screws (M4) that were procured locally.

Fix the bottom in place with two screws and then tighten all four of the screws.

(2) To remove the cover, as shown in the figure, remove the two screws for fixing the cover in place and then remove the cover by

unhooking the upper hook section from the lower case. To attach the cover, hook the upper hook section on the lower case and

then fix the cover in place with the two screws that were removed.

100

)

100

)

100

)

100

)

Size of the device: 200 (W) × 120 (H) × 45 (D) mm/

77/8(W) × 43/4(H) × 125/32 (D) in

Unit: mm (in)

Note: The space shown above does not include space for peripherals. Additionally, the amount of space necessary varies according

to the functions that are used and the wiring method. Secure enough space appropriate for the type of installation.

110

)

150

)

Screw pitch

Unit: mm (in)

Hooks

Screws for fixing

the cover

Note: Two hooks are located on the upper section of the cover.

(3) Refer to "7. Wiring Instructions" and connect the wires for the power line, M-NET transmission line, and meter input signal lines.

7-1. Terminal Diagram

NFG L-V

Caution: Perform wiring so that the

terminal block is not strained.

If strained, use a wire guide or

junction terminal to alleviate the

stress on the terminal block.

Note:

• The input signal line should not come

into contact with or be installed

alongside the M-NET transmission line

and power supply line.

• Connecting an Uninterruptible power

supply (UPS) to the 24 VDC power

supply is recommended in order to

prevent the loss of pulse data in the

event of a power failure.

Diagram Image (Installed within a Control Panel)

* The wiring in the diagram has been simplified.

M-NET

Meter input

signal lines Power line

PI controller 24 VDC

Power

source

Junction

terminal

block

M-NET

PAC-SC50KUA

Watt-hour

meter

7Wiring Instructions

CN16

SW03

SW01

SW08

SW02

SW09

SW06 SW07

LED

CN17

LED17

A / B / S

CN10 / 11 /19 / 20

V+ / V- / FG

11/ 12/ 13/ 14/ 15/ 16

M-NET

Power on

24 VDC Power Supply

M-NET

Address

Status LEDs

M-NET

Function Settings

Pulse Input

10s 1s

(CPU power on)

7-2. Connecting the Power and M-NET Transmission Lines

CN16

V+/V-/FG

CN17

A/B/S

M-NET

S / B / A

(M1)(M2)

Tightening torque for terminal screws: 1 N·m

Connect the M-NET transmission line of this device to a power

supply unit (PAC-SC50KUA) for the transmission line or an

outdoor unit (either a centralized control line or indoor control

line can be connected).

* Only the M-NET circuitry of this device receives the power from the

M-NET transmission line. The power consumption factor is "1/4"

(equivalent to one ME Remote Controller).

Figure 7-1 Example of Connecting the Power Line and M-NET Transmission Line

PI controller

Field

Connections

(example) Fuse

Varistor

Arrester

Noise

Filter

24 VDC

Power

source

AC Power Line

Uninterruptible

power supply

(UPS)

*Functional

ground

Varistor

Caution:

• Use a power line and M-NET transmission line that satisfy the specifications described in "6-1. Parts Purchased Separately".

• Attach a circuit comprising the following components to the supply primary side of the 24 VDC power supply.

(1) Varistor, (2) Arrester, (3) Noise filter, (4) Fuse

• It is important to pay attention to the polarity when connecting to the 24 VDC power supply terminal block.

Connecting the positive and negative in the reverse order will cause a failure.

• Fix the power line and M-NET transmission line in place on the outside to ensure that the terminal block is not affected by

any external force.

Not securely connecting and fixing the wires in place may cause heat generation and fire.

• Make sure that the copper wiring is not short-circuiting the plates (cover, lower case) or neighboring wires.

Cover the shielded line of the M-NET transmission line with materials such as vinyl tape and prevent short-circuiting with the

plates.

Note:

• Connecting an Uninterruptible power supply (UPS) is recommended in order to prevent the loss of pulse data in the event

of a power failure. If a UPS cannot be connected, try to make the AC power supply to the 24 VDC power supply as much

same as the AC power supply line to the meters.

• If the M-NET transmission line of this device is connected to an M-NET indoor control line and the outdoor unit is down

because, for example, the power supply is interrupted for servicing or there is a failure, the PI controller cannot be set and

monitored from the system controller.

7-3. Connecting the Signal Lines

• Separately procure items such as terminal blocks and cables locally.

• The maximum wire length is 100 m (328 ft). However, since the use of long wires makes the device

susceptible to noise, using wires shorter than 10 m (32.8 ft) is recommended.

(1) Pulse input (non-voltage a-contact)

* To use these, various settings need to be configured. Refer to "8. Initial Settings".

Ch1 Ch3

N 1

Ch2 Ch4

++++

Note:

• The pulse unit (weight) can be added to each of the

inputs of channels 1 to 4.

For details, refer to "9. Dip Switch Functions".

• This device does not support level meters.

To use a level meter, incorporate a Converter circuit

externally and convert to pulse input.

Caution:

• The polarity of the input terminals is important, so be

sure to match the polarity when using contacts that

have polarity.

• Select a contact with a minimum applicable load of

1 mA or less.

• Supply 24 VDC 1 mA from the positive terminal to the

contacts of the meters.

• The pulse unit of the watt-hour meter being used

should be 1 kWh/pulse or less. Note that the

apportioning error will increase if a watt-hour meter with

large pulse unit is used.

• The input signal line should not come into contact with

or be installed alongside the M-NET transmission line

and power supply line. Care must also be taken to

avoid wiring loops.

• Strip 12±1 mm (15/32 ±1/32 in) of the wire coating and

insert firmly into the terminal.

• Make sure that the copper wiring is not short-circuiting

the plates (cover, lower case) or neighboring wires.

• Perform wiring so that the terminal block is not strained.

If strained, use a wire guide or junction terminal to

alleviate the stress on the terminal block.

Water

meter

Gas

meter

Calorimeter

Field

Connections

Example: Watthour

meter

24 VDC

Device side

* A pulse is counted each time a meter's output-pulse contacts

turn on.

Table des matières

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