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Air-Conditioners For Building Application
OUTDOOR UNIT
PUHY-TM-C
PUY-TM-C
FOR INSTALLER
INSTALLATION MANUAL
For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit.
∗ Remote controller (PAR-F25MA) is available as an optional remote controller.
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Table of Contents
Related Manuals for Mitsubishi Electric CITY MULTI PUHY-TM-C
Summary of Contents for Mitsubishi Electric CITY MULTI PUHY-TM-C
- Page 1 Air-Conditioners For Building Application OUTDOOR UNIT PUHY-TM-C PUY-TM-C FOR INSTALLER INSTALLATION MANUAL For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit. ∗ Remote controller (PAR-F25MA) is available as an optional remote controller.
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Page 3: Table Of Contents
Contents 1. Safety precautions ..............4 1.1. Before installation and electric work ....... 4 1.2. Before getting installed ........... 4 1.3. Before getting installed (moved) - electrical work ... 5 1.4. Before starting the test run ..........5 2. Combination with indoor units ............. 6 3. -
Page 4: Safety Precautions
- If the pressure switch, thermal switch, or other protection device is shorted and operated forcibly, or parts other than those specified Carefully read the labels affixed to the main unit. by Mitsubishi Electric are used, fire or explosion may result. 1.2. Before getting installed Warning: •... -
Page 5: Before Getting Installed (Moved) - Electrical Work
1.3. Before getting installed (moved) - 1.4. Before starting the test run electrical work Caution: • Turn on the power at least 12 hours before starting operation. Caution: - Starting operation immediately after turning on the main power • Ground the unit. switch can result in severe damage to internal parts. -
Page 6: Combination With Indoor Units
2. Combination with indoor units The indoor units connectable to this unit are shown below. Total capacity of Outdoor unit model Quantity of connectable connected indoor unit Model name of connectable indoor unit indoor unit name models PLFY- 32 · 40 · 100 · 125 PUHY-200 PLFY- 50 ·... -
Page 7: Selection Of Installation Site
4. Selection of installation site Select space for installing outdoor unit, which will meet the following Installation restriction on outdoor unit when cooling operation is performed when the outdoor air temperature is 10°C or lower conditions: • no direct thermal radiation from other heat sources •... -
Page 8: Collective Installation And Continuous Installation
When unit is surrounded by walls 5.2. Collective installation and continu- ous installation Space required for collective installation and continuous installation: When installing several units, leave the space between each block as shown below considering passage for air and people. <Side view>... -
Page 9: Lifting Method And Weight Of Product
6. Lifting method and weight of product • When carrying the unit suspended, pass the ropes under the unit Weight of product: and use the two suspension points each at the front and rear. PUHY-200 PUHY-250 PUY-200 PUY-250 • Always lift the unit with ropes attached at four points so that impact is 225 kg 240 kg 220 kg... -
Page 10: Installation
Down piping and down wiring precautions 7.2. Installation When down piping and down wiring are performed, be sure that founda- tion and base work does not block the base through holes. When down • Fix unit tightly with bolts as shown below so that unit will not fall down piping is performed, make the foundation at least 100 mm high so that due to earthquake or gust. -
Page 11: Connecting Direction For Refrigerant Piping
7.3. Connecting direction for refrigerant 7.4. Noise level piping PUHY-200 PUHY-250 PUY-200 PUY-250 Three connecting directions are available for refrigerant piping of the 56 dB(A) 57 dB(A) outdoor unit: bottom piping and front piping and left piping. as shown below: When performing rear piping, use the rear piping kit sold separately. -
Page 12: Caution For Snow And Seasonal Wind
8. Caution for snow and seasonal wind In cold and/or snowy areas, sufficient countermeasures to wind and snow Note: damages should be taken for operating unit in normal and good condi- 1. Height of frame base for snow damage prevention (H) shall be tion in winter time. -
Page 13: Areas Of Caution
9.1. Areas of caution 1 Use the following materials for refrigeration piping. • Material: Seamless phosphorous deoxidized copper pipe, C1220T-OL or C1220T-O (Note: C1220T-OL is preferred.) • Size: Refer to Pages 14 to 16 . 2 Commercially available piping often contains dust and other materials. Always blow it clean with a dry inert gas. 3 Use care to prevent dust, water or other contaminants from entering the piping during installation. -
Page 14: Refrigerant Piping System
9.2. Refrigerant piping system Note: Line-Branch Method The model total for downstream Connection Examples units shown in the table below (Connecting to Five Indoor Units) is the model total when viewed from Point A in the drawing above. A Outdoor Unit B First Branch C Indoor unit D To downstream units... - Page 15 Header Branch Method Connection Examples Note: (When Connecting Six Indoor Units) Branch piping cannot be used again after the header branch. A Outdoor Unit B First Branch C Indoor Unit D Cap Total Piping Length A+a+b+c+d+e+f is 220 meters or less Permissible Farthest Piping Length A+f is 100 meters or less...
- Page 16 Note: • Branch piping cannot be used again after the header branch. • The model total for down- stream units shown in the ta- ble below is the model total Multiple Line/Header when viewed from Point A in Connection Example the drawing above.
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Page 17: Caution For Piping Connection/Valve Operation
9.3. Caution for piping connection/valve operation • Conduct piping connection and valve operation accurately by follow- ing the figure below. • The gas side connecting pipe is being assembled for shipment. (See the figure at the right.) 1 For brazing to the connecting pipe with flange, remove the con- necting pipe with flange from the ball valve, and braze it at the outside of the unit. -
Page 18: How To Install Branch Pipe
Caution: A Valve stem [Fully closed at the factory, when connecting the piping, when evacuating, • Always remove the connecting pipe from the ball valve and braze and when charging additional refrigerant. Open fully after the operations it outside the unit. above are completed.] - Brazing the connecting pipe while it is installed will heat the ball B Stopper pin [Prevents the valve stem from turning 90°... - Page 19 • When the number of pipes to be connected is smaller than the number of header branches, install a cap to the unconnected branches. The cap is included with the kit. C Pipe cutter D or E Deformed joint...
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Page 20: Airtight Test And Evacuation
9.5. Airtight test and evacuation 1 Airtight test Airtight test should be made by pressurizing nitrogen gas to 2.94 MPa. For the test method, refer to the following figure. (Make a test with the ball valve closed. Be also sure to pressurize both liquid pipe and gas pipe.) The test result can be judged good if the pressure has not bee reduced after leaving for about one day after completion of nitrogen gas pressuriza- tion. -
Page 21: Thermal Insulation Of Refrigerant Piping
9.6. Thermal insulation of refrigerant pip- Glass fiber + Steel wire Heat Adhesive + Heat - resistant polyethylene foam + insulation material A Adhesive tape Indoor Vinyl tape Be sure to give insulation work to refrigerant piping by covering liquid Outer Floor exposed Water-proof hemp cloth + Bronze asphalt pipe and gas pipe separately with enough thickness heat-resistant... - Page 22 Penetrations Inner wall (concealed) Outer wall Outer wall (exposed) Floor (fireproofing) Roof pipe shaft Penetrating portion on fire limit and boundary wall A Sleeve H Lagging material B Heat insulating material I Mortar or other incombustible caulking C Lagging J Incombustible heat insulation material D Caulking material When filling a gap with mortar, cover the penetration part with steel plate E Band...
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Page 23: Electrical Work
10. Electrical work 10.1. Caution 1 Follow ordinance of your governmental organization for technical standard related to electrical equipment, wiring regulations and guidance of each electric power company. Warning: Be sure to have authorized electric engineers do electric work using special circuits in accordance with regulations and this installation manual. -
Page 24: Control Box And Connecting Position Of Wiring
3. Connect indoor and outdoor units through the terminal block for trans- 10.2. Control box and connecting posi- mission lines (TB3). Outdoor units and connections to central control tion of wiring systems go through the terminal block for centralized control (TB7). When making an indoor/outdoor connection with shielded wiring, con- nect the shield ground to the earth screw ( ). -
Page 25: Wiring Transmission Cables
10.3. Wiring transmission cables 1 Types of control cables 1. Wiring transmission cables • Types of transmission cables Shielding wire CVVS or CPEVS • Cable diameter More than 1.25 mm • Maximum wiring length Within 200 m 2. Remote control cables Kind of remote control 2-core cable (unshielded) cable... - Page 26 A. Example of a single-outdoor-unit system (Shielding wires and address setting are necessary.) Example of Wiring Control Cables Wiring Method and Address Setting 1. Standard Operation a. Use feed wiring to connect terminals A and B on transmission cable block (TB3) for the outdoor unit (OC) to terminals A and B on the transmission cable block (TB5) of each indoor unit (IC).
- Page 27 Permissible Lengths Prohibited Items Longest Transmission Cable Length (1.25 mm = 200 meters Remote Controller Cable Length • Use the indoor unit 1 If 0.5 to 0.75 mm = 10 meters (IC) address plus 150 as the sub remote 2 If the length exceeds 10 meters, (51) the exceeding section should be controller address.
- Page 28 B. Example of a group operation system with multiple outdoor units (Shielding wires and address setting are necessary.) CN40 (51) (01) (04) (05) (06) TB13 TB13 TB13 TB13 A B S 1 2 3 A B S 1 2 3 A B S 1 2 3 A B S...
- Page 29 • Max length via outdoor units = 500 meters (1.25 mm • Max transmission cable length = 200 meters (1.25 mm • Remote controller wire length = 10 meters (0.5 to 0.75 mm If the length exceeds 10 meters, use a 1.25 mm shielded wire.
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Page 30: Wiring Of Main Power Supply And Equipment Capacity
10.4. Wiring of main power supply and equipment capacity Schematic Drawing of Wiring (Example) A Power Supply (3-Phase, 3-Wire) 220 Volt E Power Supply (Single-Phase) 220 Volt B Switch (Breakers for Wiring and Current Leakage) F 1.6 mm or more C Outdoor Unit G Pull Box D Ground... -
Page 31: Test Run
11. Test run 11.1. Checking before getting test run 1 Check to see whether there are refrigerant leakage, and slack of power or transmission cable. Confirm that 500 V megger shows 1.0 MΩ or more between power supply terminal block and ground. Do not operate in the case of 1.0 MΩ or less. NOTE: Never carry out megohm check over terminal block for transmission. -
Page 32: How To Cope With Test Run Trouble
11.3. How to cope with test run abnormality 1 A 4-digit check code is displayed on remote controller display panel if unit is stopped due to a trouble. Check to see causes of that trouble. 1. Indoor unit Check code Abnormality Check code Abnormality... - Page 33 3. Remote controller Check code Abnormality Check code Abnormality 6101 Unreadable response receiving error 6607 Transmission and reception error (No ACK error) 6600 Duplicated unit address setting 6608 Transmission and reception error (No responsive frame 6602 Transmission error (Transmission processor hardware error) error) 6603...
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Page 34: Coping With Remote Controller Trouble
Displaying the service LED Service LED (LD1) • Error code display Alternate display of error generating address and error code Example At outdoor unit address 51, abnormal discharge temperature (Code 1102) • Flag display Example SV1 ON under compressor operation ABCDEFGH A Flag 1 E Flag 5... -
Page 35: The Following Phenomena Do Not Represent Trouble (Emergency)
11.5. The following phenomena do not represent abnormality (emergency) * The PUY cannot perform the heating operation. Phenomenon Display of remote controller Cause Indoor unit does not the perform cool- “Cooling (heating)” flashes When another indoor unit is performing the heating (cooling) opera- ing (heating) operation. - Page 36 This product is designed and intended for use in the residential, commercial and light-industrial environment. Please be sure to put the contact address/telephone number on this manual before handing it to the customer. HEAD OFFICE MITSUBISHI DENKI BLDG MARUNOUCHI TOKYO 100-8310 TELEX J24532 CABLE MELCO TOKYO WT02270X03 Printed in Japan...
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