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This Installation Manual explains the installation of Pressure Controller MP1-200A (hereinafter called MP1-200) and MI terminal MT1-200 (hereinafter called MT1-200). For your safety, install MP1-200 and MT1-200 only after you have thoroughly read and understood the content of this manual. Pay particular attention to the symbols (DANGER, WARNING, CAUTION, and NOTE) below which are listed in order of their seriousness.
Document No. E20-036-01 1. PRECAUTIONS REGARDING INSTALLATION Pay significant attention to the precautions below when performing installation or instrumentation. The ground wire must be connected to the ground terminal inside the power panel. The diameter of the electric wire to be used must be equal to or more than hat of the power supply wire.
Document No. E20-036-01 2.2. MT1-200 Overall Dimensions (mm) Specifications Item Unit MT1-200 Power supply 100 to 220 VAC 50/60 Hz single phase Required wire diameter for power 2.0 (AWG14) supply Power circuit breaker capacity Power consumption 7 (At maximum) Product mass (product weight) (Lb) (7.3)
Document No. E20-036-01 3. COMPONENT NAMES 3.1. Components of Display Control Panel (a) MP1-200 HIGH-PRESSURE LED Display DISPLAY CHANGE switch It turns ON when the steam It displays the steam pressure and other It is used to change the display settings.
Document No. E20-036-01 4. PARTS 4.1. Main Unit Ensure beforehand that the power supply voltage to be used for MP1-200 is compatible. 4.2. Accessories The included Package Content Booklet lists accessories for MP1-200 and MT1-200. Refer to the Package Content Booklet, and check the accessories for any damage.
Document No. E20-036-01 4.3. Parts Required for Installation The following parts are required for the installation of MP1-200 and MT1-200. Ensure that you have the required parts before installation. (a) MP1-200 Prepare screws to install MP1-200 (M5 or equivalent recommended)
MP1-200 and MT1-200 units. Install MP1-200 and MT1-200 so that the wiring distance to the steam pressure sensor does not exceed 2 m. Steam pressure sensors are optional for MT1-200.
Installation dimensions: 280 mm x 214 mm (Refer to “2.1. MP1-200 Overall Dimensions”.) (2) Open the front panel of MP1-200. (3) Secure the base plate of MP1-200 with the screws (M5 or equivalent recommended). (Refer to “4.3.1. MP1-200 Required Parts”.) Note Allow 100 mm or more of space on the left, right and upper parts for maintenance.
Document No. E20-036-01 5.3. MT1-200 Installation Procedure Follow the below procedure when installing MT1-200. Install MT1-200 to upper part of inside of control box designated for MT1-200 to be secured. Installation dimensions :115 mm x 350 mm (Refer to “2.2. MT1-200 Overall Dimensions”.) Mounting screws : Knurled screw (M6) x 4 (included in the package) (2) Open the top cover of MT1-200.
Document No. E20-036-01 5.4. Precautions when Installing Steam Pressure Sensor Install the MP1-200 steam pressure sensor to the steam header that gathers steam from the boilers. Ensure that the wiring distance does not exceed 2 m. Install the MT1-200 steam pressure sensor (optional) near the boiler pressure gauge in order to compare the pressures between the steam pressure sensor and the pressure gauge.
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Document No. E20-036-01 Figure 5-3 Installation Example of the Steam Pressure Sensor Figure 5-4 Installation Example of the Steam Pressure Sensor to the Installation Block of the Boiler Pressure Gauge The wiring for the steam pressure sensor must be performed after they have been installed according to “6.7.
Document No. E20-036-01 6. WIRING 6.1. Precautions (1) Wiring of the main power When wiring from the power panel, etc., use an electric wire of 2.0 mm (AWG14)or more in diameter. When wiring the main power for MT1-200 from the boiler control box, use an electric wire of 0.9 mm (AWG18) or more.
Document No. E20-036-01 6.3. Terminal Layout on the Control Board (a) MP1-200 The figure below shows the terminal layout for MP1-200. Figure 6-3 MP1-200 CPU Board Terminal Layout...
Document No. E20-036-01 (b) MT1-200 The figure below shows the terminal layout for MT1-200. Figure 6-4 MT12-CPU Board Terminal Layout 6.4. Wires Use the required wires for each usage and ensure that they do not exceed the indicated maximum length. Table 6-1 Cable List Sectional Maximum...
(a) MP1-200 (1) External control input signals MP1-200 has contact inputs shown below. Perform connection as needed. Input voltages depend on power voltages. Input currents are 3.6 mA (at 120 VAC), 6.0 mA (at 200 VAC), and 6.6 mA (at 220 VAC).
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The contact output closes when the header pressure becomes less 18-19 Pressure alarm L than the pressure alarm L setting for MP1-200. The contact output opens when it becomes equal to or more than the setting. The contact output closes when the header pressure exceeds the...
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Note 1 The connection areas in the above table assume that general Miura boilers are used. Changes in connection areas may be necessary depending on the sequence and control of boilers. Contact a MIURA sales office for inquiries.
Do not allow the total extension of the wiring to exceed 300 m. Do not mix up the wiring of the MI-NET communications with that of other communication equipment such as boilers and Central Management System (Miura Intelligence Flexibility System) in the M-NET boiler network.
6.7. Steam Pressure Sensor Wiring Perform the wiring of the steam pressure sensor according to the procedure below. Perform the wiring of the steam pressure sensor after installation of MP1-200/MT1-200 and the steam pressure sensor. Make sure to use wires included in the steam pressure sensor.
6.8. Earthquake Detector Wiring When installing an earthquake detector, perform wiring according to the procedure below. Perform the wiring of the earthquake detector after installation of MP1-200 and the earthquake detector. Perform the wiring between the Earthquake Detector CJSC-1 (Saginomiya-made) and MP1-200 external control input as follows: Terminal #1 (earthquake detector) - Emergency stop”...
Document No. E20-036-01 8. MI NUMBER PLATE ATTACHMENT 8.1. Attachment Procedure (1) Remove the application sheet along with the MI number plate from the board. (2) Align the application sheet with the location where it is to be attached (Refer to “8.2. Attachment Location”) and attach the application sheet along with the MI number plate.
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