Page 2 - Contents; ADOPTION OF NEW REFRIGERANT
– 1 – SMMS-i Installation Manual SMMS-i Installation Manual Original instruction Contents 1 PRECAUTIONS FOR SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2 ACCESSORY PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 3 - Warning Indications on the Air Conditioner Unit; PRECAUTIONS FOR SAFETY; WARNING; General; Installation
– 2 – SMMS-i Installation Manual EN SMMS-i Installation Manual Warning Indications on the Air Conditioner Unit Work undertaken Protective gear worn All types of work Protective gloves ‘Safety’ working clothing Electrical-related work Gloves to provide protection for electricians and from heat Insu...
Page 4 - CAUTION
– 3 – SMMS-i Installation Manual SMMS-i Installation Manual Refrigerant piping • Install the refrigerant pipe securely during the installation work before operating the air conditioner. If the compressor is operated with the valve open and without refrigerant pipe, the compressor sucks air and the r...
Page 5 - ACCESSORY PARTS; Required Tools and Cautions on handling; Explanation of symbols
– 4 – SMMS-i Installation Manual EN SMMS-i Installation Manual 2 ACCESSORY PARTS Part name Q’ty Shape Usage Owner’s Manual 1 – (Be sure to hand it to the customers.) Installation Manual 2 – (Be sure to hand it to the customers.) CD-ROM(Owner’s manual, Installation manual) 1 – For other languages tha...
Page 6 - SELECTION OF INSTALLATION PLACE; Avoid the following places:; Installation space; NOTE
– 5 – SMMS-i Installation Manual SMMS-i Installation Manual 4 SELECTION OF INSTALLATION PLACE Upon customer’s approval, install the air conditioner in a place which satisfies the following conditions: • Place where it can be installed horizontally.• Place which can reserve a sufficient service space...
Page 7 - CARRYING IN THE OUTDOOR UNIT
– 6 – SMMS-i Installation Manual EN SMMS-i Installation Manual ▼ Combination of outdoor units Model name (Standard type) Cooperating outdoor unit Unit 1 Unit 2 Unit 3 MMY-MAP0804* MMY-MAP0804* – – MMY-MAP1004* MMY-MAP1004* – – MMY-MAP1204* MMY-MAP1204* – – MMY-MAP1404* MMY-MAP1404* – – MMY-MAP1604* ...
Page 8 - Weight centre and weight; Weight centre of an outdoor unit; INSTALLATION OF THE OUTDOOR UNIT; REQUIREMENT
– 7 – SMMS-i Installation Manual SMMS-i Installation Manual Weight centre and weight ◆ Weight centre of an outdoor unit No. Model type X (mm) Y (mm) Z (mm) Weight (kg) Heat pump model Cooling only model (A) MAP080 500 390 645 242 241 MAP100MAP120 (B) MAP140 605 350 700 330 330 MAP160 Z X Z X Y Y (...
Page 9 - Liquid piping
– 8 – SMMS-i Installation Manual EN SMMS-i Installation Manual • Anchor bolt positions are as shown below: (Unit: mm) 4. Mount the vibration-proof rubber (including vibration-proof blocks) so that it fits under the whole clamping leg. Model type A B MAP080*, MAP1000*, MAP120* 700 990 MAP1404*, 1604*...
Page 10 - When drawing pipes downward; REFRIGERANT PIPING; Connection of refrigerant pipe
– 9 – SMMS-i Installation Manual SMMS-i Installation Manual When drawing pipes downward • Adding only one follower unit is possible. Install the additional unit so that its position is opposite to the header unit. Use an extension valve for installation (See the figure above.).Specify the pipe diame...
Page 11 - Pipe connection method of valve at the gas side (Example)
– 10 – SMMS-i Installation Manual EN SMMS-i Installation Manual REQUIREMENT • For a welding work of the refrigerant pipes, be sure to use nitrogen gas in order to prevent oxidation of the inside of the pipes; otherwise clogging of the refrigerating cycle due to oxidized scale may occur. • Use clean ...
Page 12 - Coupling size of brazed pipe; Selection of pipe size; Capacity code of indoor and outdoor units
– 11 – SMMS-i Installation Manual SMMS-i Installation Manual Coupling size of brazed pipe (Unit: mm) Selection of pipe size ◆ Capacity code of indoor and outdoor units Selection of pipe material • For the indoor unit, the capacity code is decided at each capacity rank. (Table 1)• The capacity code...
Page 15 - System restriction; Airtightness test; Able to detect a serious leakage; Packed valve details
– 14 – SMMS-i Installation Manual EN SMMS-i Installation Manual ◆ System restriction ◆ Cautions for installation • Set the outdoor unit first connected to the bridging pipe to the indoor units as the header unit.• Install the outdoor units in order of their capacity codes: A (header unit) ≥ B ≥ C ≥ ...
Page 16 - Vacuum drying
– 15 – SMMS-i Installation Manual SMMS-i Installation Manual NOTE However, if the environmental temperature changes from the moment of applying pressure to 24 hours after that, the pressure will change by about 0.01MPa (0.1kg/cm²G) per 1°C. Consider the pressure change when checking the test result....
Page 17 - Adding refrigerant
– 16 – SMMS-i Installation Manual EN SMMS-i Installation Manual Adding refrigerant After finishing vacuuming, exchange the vacuum pump with a refrigerant canister and start additional charging of refrigerant. Calculation of additional refrigerant charge amount Refrigerant charge amount at shipment...
Page 18 - Full opening of the valve; Heat insulation for pipe
– 17 – SMMS-i Installation Manual SMMS-i Installation Manual Full opening of the valve Open the valves of the outdoor unit fully. MAP080 MAP100 MAP120 MAP140 MAP160 Liquid side Packed valve Using a 4mm-hexagonal wrench, fully open the valve rods. Ball valve Using a flathead screwdriver, turn it co...
Page 19 - Pipe holding bracket; When using the piping cover; ELECTRIC WIRING; Power supply specifications; Power wiring selection; Standard model
– 18 – SMMS-i Installation Manual EN SMMS-i Installation Manual ◆ Pipe holding bracket Attach pipe holding brackets following the table below. When using the piping cover When not using the piping cover Diameter of pipe (mm) Interval Ø15.9 - Ø19.1 2m Ø22.2 - Ø41.3 3m Piping/wiring panel Drawing-out ...
Page 20 - High efficiency model; Specifications for communication wiring; Design of communication wiring; Summary of communication wiring
– 19 – SMMS-i Installation Manual SMMS-i Installation Manual High efficiency model MMY-AP3414*MMY-AP3614*MMY-AP3814*MMY-AP4014*MMY-AP4214*MMY-AP4414*MMY-AP4614*MMY-AP4814* 3N~ 50Hz 380-400-415V 82.585.590.593.598.2 101.5106.2109.5 100100100125125125125125 Model Phase and frequency Nominal Voltage MC...
Page 21 - Group control through a Remote Controller; Connection of power wires and communication wires
– 20 – SMMS-i Installation Manual EN SMMS-i Installation Manual Be sure to keep the rule of below tables about size and length of communication wiring. (*1): Total length of Communication wiring length for all refrigerant circuits (L1 + L2 + L3 + L4) Table-1 Communication wiring between indoor and o...
Page 22 - Power supply wire connection; Communication wire connection; Screw size and tightening torque
– 21 – SMMS-i Installation Manual SMMS-i Installation Manual ◆ Power supply wire connection 1. Insert the power supply wire through the cutout on the side of the electric parts box and connect the power supply wire to the power supply terminal block and the earth line to the earth screw. After that,...
Page 23 - Regulation of high frequency wave; ADDRESS SETTING; Automatic address setting
– 22 – SMMS-i Installation Manual EN SMMS-i Installation Manual Regulation of high frequency wave This equipment complies with IEC 61000-3-12 provided that the short-circuit power Ssc is greater than or equal to Ssc (*1) at the interface point between the user’s supply and the public system. It is...
Page 24 - Address setting procedure 1; Address setting procedure 2
– 23 – SMMS-i Installation Manual SMMS-i Installation Manual ◆ Address setting procedure 1 1 Turn on indoor units first, and then turn on outdoor units. 2 About one minute after turning the power on, confirm that the 7-segment display on the interface P.C. board of the header outdoor unit indicates ...
Page 26 - Manual address setting using the remote controller
SMMS-i Installation Manual SMMS-i Installation Manual – 25 – Switch setting (setting example when controlling 2 or more refrigerant lines centrally) Outdoor units (setting manually) *The items in bold font must be set manually. Outdoor unit’s interface P.C. board Header unit Follower unit Header uni...
Page 27 - Confirming the numbers and; To see the indoor unit address of an
SMMS-i Installation Manual EN SMMS-i Installation Manual – 26 – <Line (system) address> 2 Push the TEMP. / buttons repeatedly to set the CODE No. to . 3 Push the TIME / buttons repeatedly to set a system address. (Match the address with the address on the interface P.C. board of the header out...
Page 28 - To select another system address; To change an indoor unit address using a
SMMS-i Installation Manual SMMS-i Installation Manual – 27 – refrigerant lines are interconnected for central control) (Execute it while the units are stopped.) You can check indoor unit addresses and positions of the indoor units in a single refrigerant line.When an outdoor unit is selected, the in...
Page 30 - TEST RUN; Before test run; Methods of test run; When executing a test run using a; When executing a test run using
SMMS-i Installation Manual SMMS-i Installation Manual – 29 – 10 TEST RUN Before test run Confirm that the valve of the refrigerate pipe of the outdoor unit is OPEN. • Before turning on the power, confirm that the resistance between the terminal block of power supply and the earth is more than 1M Ω...
Page 32 - TROUBLESHOOTING; -Segment display and check code; Check code (indicated on the 7-segment display on the outdoor unit)
– 31 – SMMS-i Installation Manual SMMS-i Installation Manual 11 TROUBLESHOOTING In addition to the CODE No. on the remote controller of an indoor unit, you can diagnose failure type of an outdoor unit by checking the 7-segment display on the interface P.C. board.Use the function for various checks.S...
Page 33 - MACHINE CARD AND LOGBOOK; Machine card; Describe the following items on the machine card:; Logbook; Describe the following items on the logbook:
– 32 – SMMS-i Installation Manual EN SMMS-i Installation Manual *1 PDU number information 01:Compressor 1 02:Compressor 2 03:Compressors 1 and 2 04:Compressor 3 05:Compressors 1 and 3 06:Compressors 2 and 3 07:Compressors 1, 2 and 3 08:Fan 09:Compressor 1 and fan 0A:Compressor 2 and fan 0B:Compresso...
Page 34 - WARNINGS ON REFRIGERANT LEAKAGE; Check of Concentration Limit; Important
EH99871699 WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit The room in which the air conditioner is to be installed requires a design that in the event of refrigerant gas leaking out, its concentration will not exceed a set limit. The refrigerant R410A which is used in the air condition...