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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Indoor unit
[Model Name]
TPKFYP008HM142A
TPKFYP012HM142A
TPKFYP015HM142A
TPKFYP018HM142A
INDOOR UNIT
No. OCHT515
R410A
Note:
• This manual describes
only service data of the
indoor units.
CONTENTS
1. PART NAMES AND FUNCTIONS .......... 2
2. SPECIFICATION ................................... 10
3. OUTLINES AND DIMENSIONS ............ 12
4. WIRING DIAGRAM ............................... 13
5. REFRIGERANT SYSTEM DIAGRAM ........ 14
6. MICROPROCESSOR CONTROL ......... 15
7. TROUBLESHOOTING .......................... 21
8. DISASSEMBLY PROCEDURE ............. 28
PARTS CATALOG (OCBT515)
April 2019
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Summary of Contents for Mitsubishi Electric TRANE CITY MULTI TPKFYP008HM142A
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Page 1: Table Of Contents
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS April 2019 No. OCHT515 TECHNICAL & SERVICE MANUAL R410A Indoor unit [Model Name] Note: • This manual describes TPKFYP008HM142A only service data of the indoor units. TPKFYP012HM142A TPKFYP015HM142A TPKFYP018HM142A CONTENTS 1. PART NAMES AND FUNCTIONS ..2 2. -
Page 2: Part Names And Functions
Use the specified refrigerant only Never use any refrigerant other than that specified. Doing so may cause a burst, an explosion, or fire when the unit is being used, serviced, or disposed of. Correct refrigerant is specified in the manuals and on the spec labels provided with our products. We will not be held responsible for mechanical failure, system malfunction, unit breakdown or accidents caused by failure to follow the instructions. - Page 3 1-2. Wireless remote controller CHECK TEST RUN display display CHECK and TEST RUN display indicate that the unit is being checked or test-run. Lights up while the signal is transmitted to the indoor unit when the button is pressed. MODEL SELECT display display Blinks when model is selected.
- Page 4 1-3. Wired Remote Controller <TAR-40MAA> Controller interface The functions of the function buttons change depending on the screen. Refer to the button function guide that appears at the bottom of the LCD for the functions they serve on a given screen. When the system is centrally controlled, the button function guide that corresponds to the locked button will not appear.
- Page 5 Display The main display can be displayed in two different modes: “Full” and “Basic”. The initial setting is “Full”. To switch to the “Basic” mode, change the setting on the Main display setting. (Refer to operation manual included with remote controller.) <Full mode>...
- Page 6 Main menu Press the button. MENU Move the cursor to the desired item with the buttons, and press the button. SELECT Operation Vane · Louver · Vent. (Lossnay) High power Comfort Manual vane angle 3D i-see Sensor Timer menu Timer ON/OFF timer Auto-OFF timer Weekly timer...
- Page 7 Continue from the previous page. Maintenance menu Error information Filter information Cleaning Auto descending panel Descending operation Descending adjustment Service menu Test run menu Test run Drain pump test run Maintenance information Model name input Serial No. input Dealer information input Initialize maintenance info.
- Page 8 Main menu list Main Setting and display items Setting details menu Operation Vane · Louver · Vent. Use to set the vane angle. (Lossnay) • Select a desired vane setting from 5 different settings. Use to turn ON/OFF the louver. •...
- Page 9 Main Setting and display items Setting details menu Initial Basic Main/Sub When connecting 2 remote controllers, one of them needs to be designated as setting setting a sub controller. Clock Use to set the current time. Daylight Set the daylight saving time. saving time Administrator The administrator password is required to make the settings for the following...
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Page 10: Specification
SPECIFICATION 2-1. Specifications Service Ref. TPKFYP008HM142A TPKFYP012HM142A TPKFYP015HM142A TPKFYP018HM142A Power source 1-phase 208-230 V, 60 Hz Cooling capacity *1 kW (Nominal) *1 Btu/h 8,000 12,000 15,000 18,000 Power input 0.03 0.03 0.03 0.03 Current input 0.30 0.30 0.30 0.30 Heating capacity *2 kW (Nominal) *2 Btu/h... - Page 11 2-2. Electrical parts specifications Service Ref. Symbol TPKFYP008HM142A TPKFYP012HM142A TPKFYP015HM142A TPKFYP018HM142A Parts name Room temperature TH21 Resistance 30°F/15.8kΩ, 50°F/9.6kΩ, 70°F/6.0kΩ, 80°F/4.8kΩ, 90°F/3.9kΩ, 100°F/3.2kΩ thermistor Liquid pipe thermistor TH22 Resistance 30°F/15.8kΩ, 50°F/9.6kΩ, 70°F/6.0kΩ, 80°F/4.8kΩ, 90°F/3.9kΩ, 100°F/3.2kΩ TH23 Gas pipe thermistor Resistance 30°F/15.8kΩ, 50°F/9.6kΩ, 70°F/6.0kΩ, 80°F/4.8kΩ, 90°F/3.9kΩ, 100°F/3.2kΩ TH24 Fuse (Indoor FUSE...
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Page 12: Outlines And Dimensions
OUTLINES AND DIMENSIONS Unit: inch (mm) 15-3/16(387) 7-1/2(192) TPKFYP008HM142A Top side TPKFYP012HM142A TPKFYP015HM142A TPKFYP018HM142A Mount board 23-9/16(599) Front side Right side 9-3/4(249) 3/16(5) Left side 27-1/16(688) 6-1/16(155) 2-1/8 (55) Knockout hole 35-5/16(898) Knockout hole for left piping for right piping Front side(Grille open) Sleeve Through hole... -
Page 13: Wiring Diagram
WIRING DIAGRAM TPKFYP008HM142A TPKFYP012HM142A TPKFYP015HM142A TPKFYP018HM142A OCHT515... -
Page 14: Refrigerant System Diagram
REFRIGERANT SYSTEM DIAGRAM TPKFYP008HM142A TPKFYP012HM142A TPKFYP015HM142A TPKFYP018HM142A Refrigerant flow in cooling Refrigerant flow in heating Gas pipe thermistor TH23 Strainer (#50mesh) Gas pipe Gas pipe thermistor TH24 Flare connection Liquid pipe thermistor TH22 Heat exchanger Liquid pipe Linear expansion valve Strainer1 (#50mesh) Room temparature thermistor TH21 Strainer2 (#100mesh) -
Page 15: Microprocessor Control
MICROPROCESSOR CONTROL INDOOR UNIT CONTROL 6-1. COOL OPERATION <How to operate> 1 Press ON/OFF button. 2 Press [F1] button to display COOL. 3 Press [F2] [F3] button to set the set temperature. NOTE: The settable temperature range varies with the model of outdoor units and remote controller. RETURN SELECT MENU HOLD... - Page 16 6-2. DRY OPERATION <How to operate> 1 Press ON/OFF button. 2 Press [F1] button to display DRY. 3 Press [F2] [F3] button to set the set temperature. RETURN SELECT MENU HOLD <How to operate> 1 Press POWER ON/OFF button. 2 Press the operation MODE button to display DRY. 3 Press the TEMP.
- Page 17 6-3. FAN OPERATION <How to operate> 1 Press ON/OFF button. 2 Press [F1] button to display FAN. RETURN SELECT MENU HOLD <How to operate> 1 Press POWER ON/OFF button. 2 Press the operation MODE button to display FAN. Control modes Remarks Control details 1. Fan Set by remote controller.
- Page 18 6-4. HEAT OPERATION <How to operate> 1 Press ON/OFF button. 2 Press [F1] button to display HEAT. 3 Press [F2] [F3] button to set the set temperature. NOTE: The settable temperature range varies with the model of outdoor units and remote controller. RETURN SELECT MENU HOLD <How to operate>...
- Page 19 From the preceding page. Control modes Control details Remarks 2. Fan 2-1. Hot adjust mode The fan controller becomes the hot adjust mode for the following conditions. When starting HEAT operation When the thermostat function changes from OFF to ON When HEAT defrosting operation is released Hot adjust mode *1 *1 "STAND BY"...
- Page 20 6-5. AUTO OPERATION [AUTOMATIC COOL/HEAT CHANGE OVER OPERATION] <How to operate> 1 Press ON/OFF button. 2 Press [F1] button to display AUTO. 3 Press [F2] [F3] button to set the set temperature. NOTE: The settable temperature range varies with the model of outdoor units and remote controller. RETURN SELECT MENU HOLD...
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Page 21: Troubleshooting
TROUBLESHOOTING 7-1. HOW TO CHECK THE PARTS TPKFYP008/012/015/018HM142A Parts name Checkpoints Room temperature Disconnect the connector then measure the resistance with a tester. thermistor (TH21) (At the ambient temperature 50°F~86°F) Liquid pipe temperature Normal Abnormal thermistor (TH22) Refer to the next page for the details. 4.3k"~9.6k"... - Page 22 <Output pulse signal and the valve operation> The output pulse shifts in below order. Output Output Closing a valve : 1 → 2 → 3 → 4 → 1 (Phase) Opening a valve : 4 → 3 → 2 → 1 → 4 ø1 Note: ø2...
- Page 23 7-1-3. DC Fan motor (fan motor/indoor controller circuit board) Check method of DC fan motor (fan motor/indoor controller circuit board) Notes · High voltage is applied to the connector (CNMF) for the fan motor. Pay attention to the service. · Do not pull out the connector (CNMF) for the motor with the power supply on. board and fan motor.) (It causes trouble of the indoor controller circuit Self check...
- Page 24 7-2. Function of Dip switch TPKFYP008HM142A TPKFYP012HM142A TPKFYP015HM142A TPKFYP018HM142A Operation by switch Effective Switch Pole Function Remarks timing Thermistor<Room temperature> Indoor unit Built-in remote controller Address board position Filter clogging detection Provide Not provide <Initial setting> Filter cleaning sign 2,500 hr 100 hr 1 2 3 4 5 6 7 8 9 10 Fresh air intake...
- Page 25 Effective Operation by switch Remarks Switch timing SW11 Address board SW12 SW11 1s digit How to set addresses address Example: If address is "3", remain SW12 <Initial setting> setting (for over 10) at "0", and match SW11 (for 1 to 9) SW12 SW11 SW12...
- Page 26 7-3. TEST POINT DIAGRAM CNMF Connect to the fan motor (MF) 7-3-1. Indoor controller board 1-3: DC294~325V TPKFYP008HM142A 4-3: DC15V 5-3: DC0~6V TPKFYP012HM142A 6-3: DC0 or DC15V (Stop) TPKFYP015HM142A DC7.5V (Operation) (12VDC pulse) TPKFYP018HM142A FUSE 3.15A 250V Power supply for indoor controller board 1-3: 208/230VAC LED1...
- Page 27 7-3-2. Wireless remote controller board TPKFYP008HM142A TPKFYP012HM142A TPKFYP015HM142A TPKFYP018HM142A LD101 Connect to the indoor controller board (I.B) 7-3-3. Address board TPKFYP008HM142A TPKFYP012HM142A TPKFYP015HM142A TPKFYP018HM142A Function setting 1 2 3 4 5 6 7 8 9 10 SW12 SW11 SW14 Address setting Address setting Branch No.
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Page 28: Disassembly Procedure
DISASSEMBLY PROCEDURE TPKFYP008HM142A TPKFYP012HM142A TPKFYP015HM142A TPKFYP018HM142A Be careful when removing heavy parts. : Indicates the visible parts in the photos/figures. OPERATION PROCEDURE PHOTOS/FIGURES 1. REMOVING THE LOWER SIDE OF THE INDOOR Figure 1 UNIT FROM THE INSTALLATION PLATE (1) Remove the front panel. (2) Insert the screw driver to the corner hole at both left and right side as shown in the figure 1. - Page 29 OPERATION PROCEDURE PHOTOS/FIGURES Photo 3 3. REMOVING THE INDOOR CONTROLLER BOARD Screw (side cover) Electrical box AND WIRELESS CONTROLLER BOARD Screw (top cover) cover (top) Water cover Electrical box (1) Remove the front panel. (Refer to procedure 2) cover (side) (2) Remove the electrical box covers (screw 4 ×...
- Page 30 OPERATION PROCEDURE PHOTOS/FIGURES 5. REMOVING THE NOZZLE ASSEMBLY (with VANE Electrical box cover (side) Photo 7 and VANE MOTOR) AND DRAIN HOSE Electrical box cover (top) Screw (side cover) (1) Remove the front panel (Refer to procedure 2). (2) Remove the electrical box cover. Screw (top cover) (3) Disconnect the vane motor connector (CN151) on the...
- Page 31 OPERATION PROCEDURE PHOTOS/FIGURES 9. REMOVING THE HEAT EXCHANGER AND LEV Photo 13 Screw (side cover) Electrical box (1) Remove the front panel (Refer to procedure 2) and the Screw (top cover) cover (top) corner panel at right lower side. Electrical box Water cover (2) Remove the electrical box (Refer to procedure 4) and the cover (side)
- Page 32 MITSUBISHI ELECTRIC TRANE HVAC US LLC HEAD OFFICE: 1340 SATELLITE BOULEVARD, SUWANEE, GA 30024, USA CCopyright 2019 MITSUBISHI ELECTRIC CORPORATION Published: Apr. 2019 No.OCHT515 Made in Japan Specifications are subject to change without notice.