Mitsubishi Electric PAC-IF032B-E Installation And Operation Manual Download Page 1

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English

FLOW TEMP. CONTROLLER 2B (Cased)

PAC-IF032B-E

OPERATION MANUAL

For safe and correct use, please read this operation manual thoroughly before operating the air-conditioner unit.

FOR USER

INSTALLATION MANUAL

For safe and correct use, read this manual thoroughly before installing the FTC2B unit.

FOR INSTALLER

Summary of Contents for PAC-IF032B-E

Page 1: ...ERATION MANUAL For safe and correct use please read this operation manual thoroughly before operating the air conditioner unit FOR USER INSTALLATION MANUAL For safe and correct use read this manual thoroughly before installing the FTC2B unit FOR INSTALLER ...

Page 2: ...in an unusual environment If the FTC2B unit is installed or exposed to steam volatile oil including machine oil or sulfuric gas or exposed to briny air the internal parts can be damaged Do not install the unit where combustible gases may leak be produced flow or accumulate If combustible gas accumulates around the unit it may cause fire or explosion When installing the unit in a hospital or in a b...

Page 3: ...e weight and vibration of the unit Avoid locations where the unit is exposed to oil steam or sulfuric gas Do not install in location that is hot or humid for long periods of time Fig 2 1 1 22 11 5 Unit mm 11 5 5 12 10 200 313 3 ELECTRIC WIRE INLET When installed on a wall Lower side 278 336 69 TB143 TB141 TB142 TB6 Fig 2 3 4 Top Bottom Pull the cover to the front and remove it Slide the control bo...

Page 4: ... 1 4 4 2 External input and analog input Outdoor unit only Local controller External input Analog signal Local controller 4 1 Power supplies Operation mode input Outdoor unit FTC2B Remote controller Outdoor unit FTC2B Remote controller Local controller ON OFF MODE Local controller ON OFF MODE Temp Outdoor unit FTC2B The FTC2B is designed for use with a number of heat pump systems Please refer to t...

Page 5: ...2 Return water temp Packaged type 4 3 4 3 4 3 4 3 Thermistor Outdoor unit FTC2B DHW tank THW5 Heat exchanger Outdoor unit FTC2B Heat exchanger THW1 THW1 THW1 THW1 Outdoor unit FTC2B DHW tank THW5 Heat emitter Heat emitter Heat emitter Heat emitter TH2 THW2 THW2 THW2 THW2 Heat exchanger Outdoor unit FTC2B TH2 Heat exchanger Present Present Absent Absent Outdoor unit type DHW tank 3 2 Second step Th...

Page 6: ...bsent 4 4 4 4 3 4 4 4 4 3 4 4 4 4 3 3 3 Third step Heater setting Immersion heater Booster heater position Note When the booster heater is positioned for heating only flow water temp thermistor THW1 is not able to detect the outlet water temperature of circulation water during DHW or legionella prevention mode To determine more accurately if the heater is ON with DHW or legionella prevention mode ...

Page 7: ... circuit breaker for heater separate from control power Heater capacity Breaker wiring recommended Description Power supply Capacity Breaker Wiring Immersion heater DHW tank N 230V 50Hz 3 kW 16 A 2 5 mm When installing an immersion heater with the capacity of bigger than shown above select an appropriate size breaker and cable diameter based on the maximum possible electric current Safety device 1...

Page 8: ...7 0 9 0 11 0 13 0 15 0 17 0 19 0 Water flow rate L min 8 0 10 0 12 0 12 0 25 0 35 0 45 0 55 0 65 0 75 0 85 0 16 0 20 0 24 0 28 0 32 0 36 0 40 0 44 0 48 0 14 0 16 0 18 0 20 0 24 0 22 0 Water flow rate L min Water flow rate L min Water flow rate L min Return water temp Return water temp 5 0 7 0 9 0 11 0 13 0 15 0 17 0 19 0 Return water temp 5 0 7 0 9 0 11 0 13 0 15 0 17 0 19 0 Return water temp PUHZ...

Page 9: ... 50 m If 2 5 mm used and S3 separated Max 80 m 3 The values given in the table above are not always measured against the ground value Notes 1 Wiring size must comply with the applicable local and national codes 2 FTC2B outdoor unit connecting cords shall not be lighter than polychloro prene sheathed flexible cord Design 60245 IEC 57 3 Install an earth longer than other cables 1 If the installed ea...

Page 10: ...the remote controller either directly on the wall or in the switch box 2 Prepare the following items in the field Double switch box Thin metal conduit Locknut and bushing Cable cover Wall plug 2 Drill an installation hole in the wall Installation using a switch box Drill a hole in the wall for the switch box and install the switch box in the hole Fit the conduit tube into the switch box Direct wal...

Page 11: ... remote controller do not overtighten the screws and make an additional installation hole s 6 Cut out the cable access hole Direct wall installation Cut out the knockout hole indicated with grey in Fig 4 2 7 in the cosmetic cover by knife or nipper Thread the remote controller cable from the slot behind the back cover through this access hole 7 Plug the lead wire cable into the front cover Plug th...

Page 12: ... along the wall surface Thread the remote controller cable through the cable access hole at the top of the remote controller Seal the gap between the cable and the access hole with putty Use a cable cover Disassembling the front cover and the cosmetic cover 1 Remove the cosmetic cover Insert a flat head screwdriver into either of two open slots at the bottom of the remote controller and move the s...

Page 13: ...nit Thermistor position Place THW1 on water piping water outlet side after booster heater and THW2 on the water inlet side It is recommended to protect the thermistor with heat insulating materials so as not to be affected by ambient temperature Note Be sure to attach THW1 where it correctly detects Flow temp water oulet side 4 3 3 Connecting the actual DHW tank thermistor THW5 cable Connect the T...

Page 14: ...d booster heater piping SPLIT type without a refrigerant water HEX inside 1 Refrigerant water HEX DHW tank temperature Water OUTLET side after booster heater Water piping Water INLET side THW1 TH2 THW5 THW2 1 FTC2B FTC2B FTC2B FTC2B Outdoor unit SPLIT type outdoor unit with booster heater THW1 TH2 THW2 THW5 Not necessary 1 Refrigerant Refrigerant LIQUID side piping SPLIT type without a refrigerant...

Page 15: ...signal Pulse Pulse specifications ON short OFF open 2 Heating ECO mode sets the set temperature depending on the outdoor tem perature 3 When SW1 1 and SW1 2 are OFF the mode is switched into auto DHW mode Input signal Pulse Pulse specifications ON short OFF open When SW1 1 or SW1 2 or both are ON the mode is switched into DHW mode 4 4 2 External inputs Analog signal 4 20mA 1 5V 0 10V Connect the t...

Page 16: ...ontactor or relay for immersion heater Immersion heater Direct cut off thermostat OUT4 TB141 7 8 Earth leakage circuit breaker for booster heater Contactor or relay for protecting booster heater Indirect cut off thermostat Cut off thermostat Contactor or relay for booster heater 1 OUT2 TB141 3 4 OUT3 TB141 5 6 Contactor or relay for protecting Booster heater1 Booster heater2 OUT3 TB141 5 6 Wiring ...

Page 17: ...timer in DHW mode 15min 30min OFF SW3 SW3 1 3 way valve control during defrost in Heating mode OFF Heating circuit ON DHW circuit OFF SW3 2 Water circulation pump manual operation OFF ON OFF SW3 3 3 way valve manual operation OFF ON OFF SW3 4 Room thermostat input Ana IN1 logic change Operation stop at thermostat short Operation stop at thermostat open OFF SW3 5 Comp OFF for mode change DHW Heatin...

Page 18: ...5 THW1 THW2 Immersion heater 3 way valve OFF WITH DHW tank OFF WITHOUT immersion heater ON For heating only Booster heater Heat emitter DHW tank THW5 THW1 THW2 3 way valve OFF WITH DHW tank ON WITH immersion heater ON For heating only Booster heater Heat emitter DHW tank THW5 THW1 THW2 Immersion heater 3 way valve ON WITHOUT DHW tank Booster heater Heat emitter THW1 THW2 Summary of Function settin...

Page 19: ...20mA OFF 0 2mA Set Dip SW 1 7 to set activate or deactivate cooing mode Dip SW 1 7 Setting OFF Inactive ON Active When Dip SW 1 7 is OFF cooling mode is not available Set Dip SW 1 8 to set activate or deactivate automatic change over mode DHW Heating Dip SW 1 8 Setting OFF Active ON Inactive Set Dip SW 1 9 to set activate or deactivate automatic change over mode DHW Cooling Dip SW 1 9 Setting OFF ...

Page 20: ...output separate signals for each operation mode This can be realised by using a schedule timer and relays SW1 1 ON SW1 2 OFF SW1 8 OFF SW1 9 OFF or SW1 1 ON SW1 2 OFF SW1 8 ON SW1 9 ON Example 4 Only a Local controller is used for system control The system operates in the same way as Example 3 except that the target temperatures for each mode must also be inputted via the analogue signal from the ...

Page 21: ...0 minutes consecutive operation NOTE Even if you forget to reset the Dip SW settings above the normal operation mode can be recovered automatically in 60 minutes 5 6 Emergency mode The emergency mode is available when a failure on the outdoor unit of the heat pump or a communication error occurs This mode uses booster heater or immersion heater as a heat source and automat ically controls between ...

Page 22: ...w switch flow switch See Action for L3 If the flow switch itself does not work replace it Caution The pump valves may be hot please take care P1 Blink Light down Thermistor Flow water temp THW1 failure Check resistance across the thermistor P2 Light down Blink Thermistor Ref liquid temp TH2 failure Check resistance across the thermistor P6 Blink Light up Anti freeze protection of plate heat exchan...

Page 23: ...ter over the unit and do not touch the unit with wet hands An electric shock may result Do not spray combustible gas close to the unit Fire may result Do not place a gas heater or any other open flame appliance where it will be exposed to the air discharged from the unit Incomplete combustion may result Do not remove the front panel or the fan guard from the outdoor unit when it is running When yo...

Page 24: ...the system is switched off or the power supply is disconnected the water circuit protection functions will NOT operate Please beware that with out these safety functions enabled the water circuit may potentially become exposed to damage Main screen icons No Item Icon Description 1 Operation prohi bition ON OFF Mode Set temperature 2 Operation lock Displayed when the buttons are locked 3 Holiday mo...

Page 25: ...te Time Language C F Temp display Contact number Time display Main Sub Service Password protected Function setting Restriction Operation lock Mode skip Temp range DHW Heating Cooling Temp offset setting DHW Heating Cooling Temp Analog signal DHW Heating Cooling Self check Running information Error history Password protection Remote controller check 7 Remote controller operation User and installer ...

Page 26: ...g Installer level Compensation curve Initial settings Service Password protected Use the F2 and F3 buttons to move between the icons The highlighted icon will appear as a larger version in the cen tre of the screen Press CONFIRM to select and edit the highlighted mode Water temp setting Set the initial value of the set water temperature for following modes DHW mode Heating mode Cooling mode Holida...

Page 27: ...2 3 see below 4 Press CONFIRM Note Changes can ONLY be made to Mode 1 Mode 1 Setting number meanings 1 Power failure automatic recovery NOT available 2 Power failure automatic recovery AVAILABLE Approx 4 minute delay after power is restored 3 No function Restriction Operation lock Restrict the operation of switching ON OFF changing the operation mode and the set temperature with remote controller ...

Page 28: ... press F3 button Yes Password protection Password protection is available to prevent unauthorised access to the service menu by untrained persons 1 When password input screen is displayed use buttons F1 and F2 to move left and right between the four digits F3 to lower the selected digit by 1 and F4 to increase the selected digit by 1 2 When you have input your password press CONFIRM 3 The password...

Page 29: ...PM hh mm hh mm Service Restriction Operation lock none Mode Temp All none Mode skip DHW Used Not used Skipped Used Heating Used Not used Skipped Used Heating Eco Used Not used Skipped Used Cooling Used Not used Skipped Used Holiday Used Not used Skipped Used Temp range DHW 20 60 C 20 60 C Heating 20 60 C 20 60 C Cooling 5 25 C 5 25 C Temp offset setting DHW Heating 15 15 C 0 Cooling 15 15 C 0 Temp...

Page 30: ...ot supplied with 220 to 240V AC 3 Check the voltage across the indoor unit terminals S1 and S2 When the voltage is not 220 to 240V AC check FTC2B outdoor unit wiring for faults When the voltage is 220 to 240V AC go to 4 below 4 FTC2B failure 4 Check the FTC2B control board Check the fuse on FTC2B control board Check for faulty wiring If no problem found with the wiring the FTC2B control board is f...

Page 31: ...e pressure relief valve to check for foreign objects in it If the problem is not still solved replace the pressure relief valve with a new one 2 If intermittent expansion vessel charge may have reduced bladder perished 2 Check pressure in expansion vessel Recharge to 1 bar if necessary If bladder perished replace expansion vessel with a new one 15 Water discharges from pressure relief valve Sanita...

Page 32: ...t enter the signals IN1 IN2 IN4 IN5 IN6 IN7 IN8 for external inputs refer to 4 4 1 And if the system is set in Dip SW1 1 1 2 is OFF ON or ON ON pumpdown operation cannot be started Set Dip SW1 1 1 2 to OFF OFF or ON OFF For more details refer to Refrigerant collection in the outdoor unit instal lation manual or service manual ...

Page 33: ...e to RINSE not to leave flux Do not use chlorine detergent when washing 2 Be sure that the amount of contamination per unit cubic content of heat transfer pipe is less than the following amount Example In case of 9 52 mm Residual water 0 6 mg m Residual oil 0 5 mg m Solid foreign object 1 8 mg m Thermistor position Refer to 4 3 Notes Install the hydraulic filter at the water inlet pipework Inlet w...

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Page 35: ...beregnet for bruk i bolig forretnings og lettindustrimiljøer vakuuttaa täten asiasta yksin vastuussa että alla kuvatut lämmitys jäähdytysjärjestelmän osat jotka on tarkoitettu käytettäviksi asuin toimisto ja kevyen teollisuuden ympäristöissä MITSUBISHI ELECTRIC PAC IF032B E Note Its serial number is on the nameplate of the product Hinweis Die Seriennummer befindet sich auf dem Kennschild des Produ...

Page 36: ...IYODA KU TOKYO 100 8310 JAPAN Authorized representative in EU MITSUBISHI ELECTRIC EUROPE B V HARMAN HOUSE 1 GEORGE STREET UXBRIDGE MIDDLESEX UB8 1QQ U K Installers Please be sure to put your contact address telephone number on this manual before handing it to the customer ...

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