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Read this guide, the installation instructions and the instructions for all components and devices carefully before you start working. The Toshiba Mini-SMMS, SMMSi and SHRMi systems are highly developed systems whose components are well designed and developed. Therefore, use these systems never with components of other manufacturer.
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The Startup Leak test After installation of pipes please perform a leak test in accordance with applicable technical regulations. Do not exceed the maximum working pressure 37.3 bar. Recommendation: min. 24 hours from 30 to 37 bar with nitrogen 5.0 To avoid that nitrogen flows over into the outdoor unit, we recommend to connect the pipes to the outdoor unit not...
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Open the valves of the outdoor unit (SMMSi view). Suction line Liquid line Oil equalization line Central remote controller BUS Let the white connector, which connects the indoor unit-BUS (U1/U2) to the central controller-BUS (U3/U4) opened. U5/U6: Bus between outdoor units U3/U4: Bus to the central control unit (TCC‐Link) U1/U2: Bus between outdoor/indoor units ...
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Power indoor units (IDU) Turn on the power supply of the indoor units. (The injection valves of the indoor units are opened by default and close when turn on the power supply. If you are not sure whether the valves are open, evacuate simultaneously to the suction and liquid line and note the attachment "open the injectors") (As long as the indoor units are not addressed, they can be switched on via...
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(This display is independent of the number of connected indoor units. With this display only the various steps of addressing are displayed.) After the last step, the outdoor unit starts the electronics new. If the outdoor unit displays [U.1.---], the addressing is completed. Check IDU number After addressing has to be checked, with these settings, on the rotary switches SW1, SW2, SW3,...
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This example shows 4 devices connected, 0 devices require cooling capacity (If at addressing less devices have been found than are connected, the bus wiring and the power supply of the non-detected devices can be checked. (The "not found" (= not addressed) devices can be located most easily by turning on all indoor units at the remote controls ->...
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7-digit display [B] fan speed 7-digit display [B] fan speed Stop the test by pressing 1x SW05. Single - test run Make a unit test run. The system controls if all found indoor units belong actually to own refrigeration system and are operational. Above 10 °...
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This example shows: 2 incorrectly connected devices Exampel. 0 error = [0P] 2 error = [2P] (If errors occur, run the test again in another mode (Cool or Heat). If errors still occur, then check the wiring and piping connections for the affected devices. Through pressing the SW05 the addresses of the affected internal device addresses are displayed.) SW1, SW2...
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To start up the central controller, please use the appropriate manuals. Guideline for Startup - Page 11...
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Appendix "Opening the injectors" The injection valves of indoor units can be forced open. To do this, set the leadership outdoor unit SW1, SW2, SW3 2/3/1 The display shows [P. in] Press SW04for about 2 seconds. The display shows [P. FF]. The injection valves of indoor units open now completely.
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Appendix "DIP switches" DIP switches can be switched only with power supply. Priorities for mode adjustment Over the DIP switch SW11 on master outdoor unit [U1] different priorities for the mode adjustment of the corresponding system cycle can be selected. Priority: Heating (Factory setting) Priority: According to No.
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Increasing the pressure of the condenser fan (only SMMSi / SHRMi) SW10/Bit 2 on master outdoor unit [U1] different pressures of the On the DIP switch condenser fan can be set. The factory setting of the unit is set for outdoor operation. If an exhaust pipe is built up to the unit, the pressure should be increased.
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Excessive internal device power Setup of Header Turn on Bit 2 of SW09 on the interface PC Board of header unit. (Setting to avoid error (E16), too high capacity of indoor units.) Set first for startup of the central control. At all master outdoor units where the system address is not 1, the...
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Appendix "Readdressing" Fit in indoor units into a system: Method 1: Set, with help of a wired remote control the refrigerant circuit-, indoor unit-, group- and central address at the added interior part with unused values. See Appendix DN code. Recommended, if only a few indoor units will be added.
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Delete the refrigerant circuit-, indoor units- and group addresses: Set the rotary switches SW01/SW02/SW03 on the master outdoor unit to the positions 2/1/2. The display shows [A.d.b.u.S.]. Press SW04 for at least seconds. The display shows [A.D. . C.I.]. Hereby the refrigerant circuit address (DN code 12), indoor unit address (DN13) and the group addressing is deleted (DN 14).
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Appendix "DN-code" Before changing the DN menu make always sure that you are in the right unit and DN code. Incorrectly use can cause irreparably damage. Instructions to amend DN codes with the cable remote controller RBC-AMT32E Press simultaneously SET + CL + TEST buttons for 4 seconds or more.
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Instructions to amend DN codes with the cable remote controller RBC-AMS51E-ES Press the menu button to access the menu Press the menu button and the temperature down button simultaneously for at least 5 seconds to reach the next submenu. Then go with the arrow keys to point "DN Settings" and press „F2“. Select with help of arrow keys the code which has to be changed and change between both fields by using „F1“...
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DN-Code Chart DN‐ Code Name Description 0000=inactive 0001=150 Std. Filter sign displayed after selected time has elapsed ‐ or by 0002=250 Std. 01 Intervall filter alarm time external pressure switch (CN70) 0003=500 Std. 0004=1000 Std. 0005=ext. switch (CN70) 0000=Standard 02 protection intensity Halved the values of DN01 0001=high pollution in space In conjunction with the central control unit 0001=address 1, etc. 03 Network address Adjustment: 0‐64 (0000‐0064) 0099=undefined Priority of a specific On the outer part SW11 0000=No priority 04 indoor unit Bit 1+2 on = Priority specific indoor unit 0001=Priority Change of heating 0001=+1°C, etc. Adaptation to space heating temperature conditions. 06 temperature (setpoint 0002=+2°C (default) Adjustment: 0‐10°C (0000‐0010) ...
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DN‐ Code Name Description Minimum requirement of 0000=5 minutes 1b Minimum time to the execution of the operating mode HEAT or COOL 0001=4 minutes 0000=0°C Adaptation of the cooling temperature at ambient Temperature Offset in 0004=4°C 1C conditions. cooling mode 0005=5°C Adjustment: 0‐10°C (0000‐0010) 0010=10°C Switching temperature difference between COOL and Neutral Zone in Auto HEAT. 0003=3°C (TS +/‐ 1,5 °C) 1E mode (Accuracy = data value / 2) 0010=10°C Adjustment: 0‐10 (0000‐0010) 1F Max. Temperature COOL Cooling mode maximum temperature setting 0029=29°C, etc. 20 Min. Temperature COOL Cooling mode minimum temperature setting 0018=18°C, etc. 21 Max. Temperature HEAT Heating mode maximum temperature setting 0029=29°C, etc. ...
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Appendix „Wiring“ Conductor 3-phase, 50 Hz, Earth 380-415 V, earth leakage breaker, manual switch Outdoor unit Current source branching box Indoor unit Current source 1-phase, 50 Hz, 220-240 V, earth leakage breaker, power switch ________________________________________________ Model Outdoor unit-current source MMY-AP***T8, HT8 3-phase, 380-415 V, 50 Hz___ BUS cable and shielding All bus lines have to be executed, depending on the length, as a...
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Appendix „Calculation of the amount of Refrigerant “ Additional Additional refrigerant charge Compensation Real length R = amount per liquid pipe 1m by outdoor HP refrigerant charge (kg) of liquid pipe (Table 1) (Table 2) amount at site MiNi-SMMS Calculate the additional amount of refrigerant from the following: Additional amount of refrigerant by pipe length (Table 1) Pipe dia at Standard amount of Additional amount of...
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SMMSi Prefilled refrigerant Outdoor unit type MAP080 MAP100 MAP120 MAP140 MAP160 Heat pump type Charging amount (kg) 11.5 Table 1 Pipe dia at Standard amount of Additional amount of refrigerant pipe dia at Total pipe length at each liquid side liquid side refrigerant kg/m each liquid side kg...
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10 HP 8 HP 8 HP 8 HP -6.0 High Efficiency 10 HP 10 HP 8 HP 8 HP -6.0 type 10 HP 10 HP 10 HP 8 HP -6.0 10 HP 10 HP 10 HP 10 HP -5.0 12 HP 10 HP 10 HP 10 HP...
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SHRMi Refilled refrigerant Outdoor unit type MAP080 MAP100 MAP120 MAP140 MAP160 Charging amount (kg) 11.0 Additional refrigerant Corrective amount of Additional refrigerant Real length of charge amount per refrigerant depending charge amount at liquid pipe 1m liquid pipe on HP of co-operating local site (Table 1) outdoor units (Table 2)
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Charging of refrigerant • Keeping the valve of the outdoor unit closed, be sure to charge the liquid refrigerant into the service port at the liquid side. • If the specified amount of refrigerant cannot be charged, fully open the valves of the outdoor unit at liquid and gas sides, operate the air conditioner in COOL mode, and then charge refrigerant into service port at the gas side.
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Retrieval of outdoor units (1) Display of System Information (Displayed on Header Outdoor Unit Only) SW01 SW02 SW03 Display detail Unused System capacity A [...8]'-[48]:8 to 48 HP B [HP] No. of outdoor units A [...1]'-[...4]:1 to 4 B [...P] No.
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(2) Display of Outdoor Unit Information (Displayed on Each Outdoor Unit) SW01 SW02 SW03 Display detail A Outdoor unit No.: [U1] to [U4] Error data B Check code (only latest one displayed) If there is no check code, [– – –] is displayed. If there is sub-code, check code [* * *] and sub-code [–...
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(3) Display of Outdoor Cycle Data (Displayed at Each Outdoor Unit) SW01 SW02 SW03 Display detail Pd pressure data Pd pressure (MPaG) is displayed in decimal format. (MPaG: Approx. 10 times magnitude of kg/cm P d. * . * * Ps pressure data Ps pressure (MPaG) is displayed in decimal format.
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(4) Display of Outdoor Cycle Data (Displayed at Header Unit) * This method is used when displaying follower unit information on the 7-segment display of the header unit. SW01 SW02 SW03 Display detail A [U.*], *: SW03 Setting No.+ 1 (Outdoor unit No. U2 to U4) Error data B Check code is displayed (latest one only) If there is no check code: [–...
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(5) Display of Indoor Unit Information (Displayed on Header Unit Only) SW01 SW02 SW03 Display detail Indoor BUS communication signal B Upon receiving signal: [..1], Other times: [..] receiving status Indoor check code B No check code: [– – –] Indoor HP capacity B 0.
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MINI SMMS – REFRIGERATION SCHEME AND SENSOR POSITIONS MINI SMMS: Refrigeration scheme and sensor positions Guideline for Startup - Page 33...
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MINI SMMS ‐ REFRIGERATION SCHEME AND SENSOR POSITIONS Functional part name Functional outline Connector Solenoid valve SV2 Low‐pressure release function CN312 (White) High‐pressure release function Gas balance function during off time Hot gas bypass into accumulator SV4 High‐pressure release function SN311 (Blue) Low‐pressure release function SV5 Preventive function for high‐pressure rising in heating operation CN310 (White) Capillary tube 1 ID: 1,5, Length: 200 mm 2 ID: 2,2, Length: 100 mm 4‐way valve Cooling/heating exchange CN317 (Blue) Reverse defrost PMV (Pulse motor valve) Super heat control function in all heating and majority heating operation CN300 (White) Sub‐cool adjustment function in cooling operation Temp. Sensor TD ...
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SMMSi ‐ SCHEMATIC REPRESENTATION OF REFRIGERANT LINES AND SENSOR POSITION Schematic representation of the refrigerant pipes and sensor positions Guideline for Startup - Page 35...
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SMMSi ‐ SCHEMATIC REPRESENTATION OF REFRIGERANT LINES AND SENSOR POSITION Explanation of Functional Parts Functional part name Functional outline (Connector CN321: White) SV3A Supplies oil reserved in the oil header during ON time. (Connector CN321: White) SV3B Returns oil supplied in the balance pipe to the compressor. (Connector CN321: White) SV3C Pressurizes oil reserved in the oil header during ON time. (Connector CN322: White) SV3D Reserves oil in the oil separator during OFF time. Returns oil reserved in the oil separator to the compressor during ON time. (Connector CN322: White) SV3E Turns on during operation and balances oil between compressors. (Connector CN323: White) SV3F Controls oil level balances between compressors. Solenoid valve (Hot gas bypass) (Connector CN311: White) Low pressure release function SV2 High pressure release function Gas balance function during stop time (Start compensation valve of compressor) SV41 (SV41 Connector CN312: Blue, SV42 Connector CN312: Blue, SV43 Connector CN313: Red) SV42 For gas balance start SV43 High pressure release function Low pressure release function ...
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SHRMi ‐ SCHEMATIC REPRESENTATION OF REFRIGERANT LINES AND SENSOR POSITION Outdoor Unit (12, 14 HP) Model: MMY-MAP1204∗, MMY-MAP1404∗ Guideline for Startup - Page 37...
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SHRMi ‐ SCHEMATIC REPRESENTATION OF REFRIGERANT LINES AND SENSOR POSITION Explanation of Functional Parts Functional part name Functional outline (Connector CN321: White) SV3A Supplies oil reserved in the oil header during ON time. (Connector CN321: White) SV3B Returns oil supplied in the balance pipe to the compressor. (Connector CN321: White) SV3C Pressurizes oil reserved in the oil header during ON time. (Connector CN322: White) SV3D Reserves oil in the oil separator during OFF time. Returns oil reserved in the oil separator to the compressor during ON time. (Connector CN322: White) SV3E Turns on during operation and balances oil between compressors. (Connector CN323: White) SV3F Controls oil level balances between compressors. (Hot gas bypass) (Connector CN311: White) Low pressure release function SV2 High pressure release function Solenoid valve Gas balance function during stop time (Start compensation valve of compressor) SV41 (SV41 Connector CN312: Blue, SV42 Connector CN312: Blue, SV43 Connector CN313: Red) SV42 For gas balance start SV43 High pressure release function Low pressure release function (Connector CN314: White) SV5 ...
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SHRMi ‐ SCHEMATIC REPRESENTATION OF REFRIGERANT LINES AND SENSOR POSITION Explanation of Functional Parts Functional part name Functional outline Compressor (Compressor 1 Connector CN331: White, Compressor 2 Connector CN332: Blue, Compressor 3 Connector CN333: Black) (Connector CN321: White) SV3A case heater Prevents liquid accumulation to compressor Supplies oil reserved in the oil header during ON time. Heater Accumulator (Connector CN334: Red) (Connector CN321: White) SV3B case heater Prevents liquid accumulation to accumulator Returns oil supplied in the balance pipe to the compressor. Balance pipe Oil balancing in each outdoor unit (Connector CN321: White) SV3C Pressurizes oil reserved in the oil header during ON time. (Connector CN322: White) SV3D Reserves oil in the oil separator during OFF time. Returns oil reserved in the oil separator to the compressor during ON time. (Connector CN322: White) SV3E Turns on during operation and balances oil between compressors. (Connector CN323: White) SV3F Controls oil level balances between compressors. ...
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SHRMi ‐ SCHEMATIC REPRESENTATION OF REFRIGERANT LINES AND SENSOR POSITION Indoor Unit Ventilator Ventilator Motor (CAUTION) MMU‐AP0071YH, AP0121YH type air conditioners have no TC2 sensor. Explanation of functional parts in indoor unit Functional part name Functional outline Pulse Motor Valve (Connector CN082 (6P): Blue) Controls super heat in cooling operation Controls under cool in heating operation Recovers refrigerant oil in cooling operation Recovers refrigerant oil in heating operation 1.TA (Connector CN104 (2P): Yellow) Detects indoor suction temperature 2.TC1 (Connector CN100 (3P): Brown) Controls PMV super heat in cooling operation Temperature 3.TC2 (Connector CN101 (2P): Black) Sensor Controls PMV under cool in heating operation 4.TCJ (Connector CN102 (2P): Red) Controls PMV super heat in cooling operation [MMU‐AP007YH to AP012YH only] Controls PMV under cool in heating operation Guideline for Startup - Page 40...
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SMMS • SHRM • Mini SMMS Guideline for Startup of VRF systems SMMS • SHRM • Mini SMMS Guideline for Startup of VRF systems SMMS • SHRM • Mini SMMS Guideline for Startup of VRF systems Subject to typographical and other errors! Printed: January 2013...
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