York Floor Ceiling R-410A 50Hz Service Manual download pdf (Page 328)

Controller

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2.2 Outdoor centralized controller

2.2.1 The controller enables centralized control over and data query of the outdoor units. Each

controller can form a monitoring and controlling network with up to 32 outdoor units through a

network interface module. Wired connection is used for communication and to enable

centralized control over outdoor units in the network.

2.2.2 The controller can communicate the computer via RS485/RS232 transformation interface.

Each computer can connect with 16 outdoor centralized controllers and 16 indoor centralized

controllers. The computer enables central control over, management, status query, etc of the

outdoor centralized controllers, indoor centralized controllers, indoor units and outdoor units

within the monitoring and controlling system.

2.2.3 For communications between controllers and outdoor units, as well as between computers

and controllers, the primary machine queries and the secondary machine replies. In the

monitoring and controlling network consisting of controller and outdoor units, the controller is

the primary machine, while the outdoor unit is the secondary machine.

3) Active watt-hour meter

3.1 Function of watt-hour meter

It is used to measure the electricity consumption of each outdoor unit.

3.2 Requirements on watt-hour meter

3.2.1 The system requires installation of watt-hour meter capable of reading via 485

communication interface and satisfying DL-T645-1997 standards (national standard watt-hour

meter regulations)

3.2.2 The watt-hour meter shall conform to the relevant national technical standards and be

confirmed by the power supply authorities.

3.2.3 The watt-hour meter shall conform to the technical requirements of GB/T1725-2002: Grade

I and Grade II Static AC Active Watt-Hour Meters.

3.2.4 Installation site: Specified work temperature：-25

C～+55

Scope of work temperature：-40

C～+70

C Relative humidity：<85%

3.2.5 Wiring of watt-hour meter shall be referred to the wiring nameplate supplied with the

watt-hour meter.

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TECHNICAL SERVICE MANUAL 1
Part I General Information 5
Contents 18
Part 3 Outdoor 27
YDS-100WC15/35 50
YDS-140WC15/35 50
A 624 1030 52
B 55 52
C 1030 52
Part 4.1 Four-way cassette 72
Piping: 8m (horizontal) 79
Notes: 80
YDS-28-80KC 230 170 89
YDS-90-140KC 300 190 89
Indoor unit H(mm) 90
YDS-28-80KC ≥260 90
YDS-90-140KC ≥300 90
YDS-22-56GC ≥280 90
- 100 101
- 101 102
Part 4.2 Wall Mounted 103
- 103 104
- 104 105
- 105 106
- 106 107
- 107 108
3. Capacity table 109
- 109 110
- 110 111
- 111 112
- 112 113
- 114 115
- 115 116
- 116 117
- 117 118
YDS-45-56EC/HC 119
- 119 120
- 120 121
- 121 122
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Part 4.4 Medium ESP Duct 152
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Part 5 Installation 240
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Gr ounded wi r e 281
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Part 6 Control System 289
- 289 290
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Form No. 035M00457-000 385
2009 Johnson Controls, Inc 385

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York Floor Ceiling R-410A 50Hz Service Manual Page 328

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