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Flow temp. controller

C-1

1

 Installation ..............................................................C-2

FTC(PAC-IF021B-E) .............................................................. C-2
FTC2(PAC-IF031B-E) ............................................................ C-3

2

 System ....................................................................C-4

FTC(PAC-IF021B-E) .............................................................. C-4
FTC2(PAC-IF031B-E) ............................................................ C-6

3

 Electrical work .......................................................C-9

FTC(PAC-IF021B-E) .............................................................. C-9
FTC2(PAC-IF031B-E) .......................................................... C-14

4

 Switch setting ......................................................C-19

FTC(PAC-IF021B-E) ............................................................ C-19
FTC2(PAC-IF031B-E) .......................................................... C-21

5

 Before test run .....................................................C-30

FTC(PAC-IF021B-E) ............................................................ C-30
FTC2(PAC-IF031B-E) .......................................................... C-31

6

 Controller operation ............................................C-32

F

TC(PAC-IF021B-E) ............................................................ C-32

FTC2(PAC-IF031B-E) .......................................................... C-42

7

 De

fi

 nition of analog signal ..................................C-52

FTC(PAC-IF021B-E) ............................................................ C-52
FTC2(PAC-IF031B-E) .......................................................... C-53

8

 Troubleshooting ...................................................C-54

FTC(PAC-IF021B-E) ............................................................ C-54
FTC2(PAC-IF031B-E) .......................................................... C-55

Flow temp. controller

Contents

Summary of Contents for PAC-IF021B-E

Page 1: ...F031B E C 14 4 Switch setting C 19 FTC PAC IF021B E C 19 FTC2 PAC IF031B E C 21 5 Before test run C 30 FTC PAC IF021B E C 30 FTC2 PAC IF031B E C 31 6 Controller operation C 32 FTC PAC IF021B E C 32 FTC2 PAC IF031B E C 42 7 Definition of analog signal C 52 FTC PAC IF021B E C 52 FTC2 PAC IF031B E C 53 8 Troubleshooting C 54 FTC PAC IF021B E C 54 FTC2 PAC IF031B E C 55 Flow temp controller Contents ...

Page 2: ... FTC unit in outdoor location as it is designed for indoor installation only It is not waterproof against raindrop Avoid locations where the unit is exposed to direct sunlight or other sources of heat Select a location where easy wiring access to the power source is available Avoid locations where combustible gases may leak be pro duced flow or accumulate Select a level location that can bear the ...

Page 3: ...2 unit in outdoor location as it is designed for indoor installation only The FTC2 circuit board and casing are not waterproof Avoid locations where the unit is exposed to direct sunlight or other sources of heat Select a location where easy wiring access to the power source is available Avoid locations where combustible gases may leak be pro duced flow or accumulate Select a level location that c...

Page 4: ...er System controller locally supplied SIMPLE SYSTEM BASIC SYSTEM ANALOG TEMP SYSTEM ON OFF Operation mode Operation mode Heating Heating ECO Hot water Anti freeze Cooling Operation mode Heating Cooling Target flow temp Target flow temp Target flow temp ON OFF Remote controller ON OFF By Non voltage Contact signals By Non voltage Contact signals End user interface End user interface System controll...

Page 5: ...TC Outdoor unit FTC Outdoor unit FTC Outdoor unit FTC Outdoor unit FTC Outdoor unit FTC Outdoor unit FTC Outdoor unit FTC Outdoor unit TH2 Local controller ON OFF MODE Remote controller PAR W21MAA Remote controller PAR W21MAA Remote controller PAR W21MAA Remote controller PAR W21MAA Remote controller PAR W21MAA Remote controller PAR W21MAA Remote controller PAR W21MAA Remote controller PAR W21MAA ...

Page 6: ...ntroller Local controller External input PAR W21MAA 3 1 3 1 1 3 2 3 3 3 3 1 External input and analog input Outdoor unit only Analog input Local controller External input 3 1 3 1 1 3 3 3 3 1 3 3 2 Power supplies Operation mode input Outdoor unit FTC2 Remote controller PAR W21MAA Outdoor unit FTC2 Remote controller PAR W21MAA Local controller ON OFF MODE Local controller ON OFF MODE Temp Outdoor un...

Page 7: ... DHW tank temp 3 4 TH1 actual flow water temp TH2 refrigerant pipe temp TH5 3 4 PACKAGED type TH1 actual flow water temp TH2 TH5 actual DHW tank temp 3 4 TH1 actual flow water temp TH2 TH5 3 4 Thermistor TH1 TH2 TH5 Outdoor unit FTC2 DHW tank TH1 TH5 Radiator etc Heat exchanger Outdoor unit FTC2 TH1 Radiator etc Heat exchanger TH1 Outdoor unit FTC2 DHW tank TH5 Radiator etc TH2 Heat exchanger TH1 ...

Page 8: ...ting 3 5 Booster heater and Immersion heater both DHW and Heating 3 5 Booster heater only Heating only 3 5 Booster heater and Immersion heater Heating only 3 5 Output signal Booster heater FTC2 Sanitary tank Radiator etc Booster heater FTC2 Sanitary tank Radiator etc Immersion heater Booster heater FTC2 Sanitary tank Radiator etc Booster heater FTC2 Sanitary tank Radiator etc Immersion heater Pres...

Page 9: ...Wiring size must comply with the applicable local and national codes 2 Power supply cables and FTC unit outdoor unit connecting cables shall not be lighter than polychloroprene sheathed flex ible cable Design 60245 IEC 57 3 Install an earth wire longer than other cables FTC unit Outdoor unit FTC unit model 1 FTC unit Outdoor unit earth 1 FTC unit Outdoor unit S1 S2 2 FTC unit Outdoor unit S2 S3 2 ...

Page 10: ...it power supplies only ON 3 OFF 1 2 SW8 Set the SW8 3 to ON FTC unit model PAC IF021B E FTC unit power supply N Single Phase 50 Hz 230 V FTC unit input capacity Main switch Breaker 1 16 A Wiring Wire No size mm 2 FTC unit power supply earth 3 Min 1 5 FTC unit Outdoor unit 2 2 Min 0 3 FTC unit Outdoor unit earth Circuit rating FTC unit L N 3 AC 230 V FTC unit Outdoor unit S1 S2 3 FTC unit Outdoor u...

Page 11: ...rmistor position Fix the TH2 firmly on refrigerant piping Liquid side so that it can not be detached easily It is better to protect the thermistor with heat insulating materials not to be affected by the ambient temperature Note Be sure to attach the TH2 where it detects Refrigerant piping temp Liquid side correctly Caution Do not route the thermistor cables together with power cables The sensor p...

Page 12: ... on the wall select one of the followings Prepare a hole through the wall to pass the remote controller cable in order to take out the remote controller cable from the back then seal the hole with putty Take out the remote controller cable through the cut out upper case then seal the cut out notch with putty B 1 To lead the remote controller cable from the back of the controller B 2 To take out th...

Page 13: ...utput OFF ON 11 12 OUT6 X6 Mode Heating HeatingECO Hot Water Anti Freeze Output OFF ON 13 14 OUT7 X7 Note External output signals are separated by basic insulation from other circuit of interface Caution When 2 or more external outputs are used the power supply on the output side should be the same 3 6 Wiring specification of External output External input Locally supplied parts Item Name Model an...

Page 14: ...utdoor unit connecting cables F FTC2 unit 1 Max 80 m 2 The figures are NOT always against the ground S3 terminal has DC 24 V against S2 terminal However between S3 and S1 these terminals are not electrically insulated by the transformer or other device Notes 1 Wiring size must comply with the applicable local and national codes 2 Power supply cables and FTC2 unit outdoor unit connecting cables sha...

Page 15: ... clearances surrounding the remote controller CInstallation pitch 2 Seal the service entrance for the remote controller cable with putty to prevent possible invasion of dew drops water cock roaches or insects Fig 3 2 A For installation in the switch box B For direct installation on the wall select one of the followings Prepare a hole through the wall to pass the remote controller cable in order to...

Page 16: ...ionella prevention 3 5 7 9 11 13 1 4 2 6 8 10 12 14 TB142 3 3 2 EXTERNAL INPUT analog signal 4 20mA 1 5V 0 10V Connect the transmission cables to No 3 and 4 on the terminal block TB62 No 3 on the terminal block TB62 Plus side No 4 on the terminal block TB62 Minus side Reference side 4 20mA 1 5V 0 10V setting Caution The external input signals are separated by basic insulation from power supply for...

Page 17: ...H5 on the DHW tank It should be positioned directly onto the lower half of the external surface of the tank Caution Do not route the thermistor cables together with power cables The sensor part of the thermistor should be installed where user must not touch It is separated by the supplementary insulation from where user may touch 3 4 4 Thermistor position and necessity For packaged type Outdoor un...

Page 18: ...se 0 5 A OUT7 Error output AC 230A signal for direct use 0 5 A FTC2 has terminal beds for AC 230V output signal Relays are NOT available on FTC2 Caution Do not drive directly the pump heater and valve by these output signals Connect the surge absorber according to the load at site Wiring specification of External output Locally supplied parts Item Name Model and specifications External output func...

Page 19: ...er Wired remote controller Wired remote controller SPLIT type OFF OFF OFF OFF OFF OFF PACKAGED type OFF OFF ON OFF OFF OFF 1 4 20mA OFF 0 2mA 2 1 5V OFF 0 0 5V 3 The command from the external input is prior to the one from the wired remote controller 4 SPLIT type the standard outdoor unit without a plate HEX refrigerant water inside PACKAGED type the Air to Water outdoor unit with a plate of HEX r...

Page 20: ...e 1 2 depends on SW1 7 8 SW2 4 SW2 5 SW2 6 Table1 Table2 OFF OFF OFF 46 ºC 25 ºC ON OFF OFF 48 ºC 30 ºC OFF ON OFF 50 ºC 35 ºC ON ON OFF 52 ºC 40 ºC OFF OFF ON 54 ºC 45 ºC ON OFF ON 56 ºC 50 ºC OFF ON ON 58 ºC 55 ºC ON ON ON 60 ºC 1 60 ºC 1 The selectable temperature range for Hot Water mode depends on outdoor unit type 1 Do not use this setting when you use the standard outdoor unit without a pla...

Page 21: ...al input non voltage contact Analog input 4 20mA OFF ON ON ON External input non voltage contact External input non voltage contact Analog input 0 10V ON ON OFF OFF 1 4 20mA OFF 0 2mA 2 1 5V OFF 0 0 5V PAR W21MAA FTC2 Local system controller IN1 IN2 IN3 IN4 IN5 IN6 IN7 IN8 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 TH1 TH2 TH5 TH5 TH2 TH1 Flow switch Water circulation pump Booster heater 1 Booster heater ...

Page 22: ...heater TH1 TH5 Radiator Sanitary tank Booster heater TH1 TH5 Radiator Sanitary tank Booster heater Immersion heater TH1 TH5 Radiator Set Dip SW 1 7 according to the Cooling mode usage SW 1 7 Setting OFF Not in use Operation mode Heating Heating ECO Hot Water Anti freeze ON 4 4 Other setting In use Operation mode Heating Heating ECO Hot Water Anti freeze Cooling When Dip SW 1 7 is OFF Cooling mode ...

Page 23: ... the same time from the local controller Automatic change over mode is NOT available when SW1 1 1 2 are set OFF ON or ON ON System examples Example 1 Only our Remote controller PAR W21MAA is used for system control NO local system controller exists Target temperature for each mode and Heating or Heating ECO mode are set with PAR W21MAA Automatic change over mode is selected SW 1 8 must be switched...

Page 24: ...TH2 TH1 Flow switch Water circulation pump Booster heater 1 Booster heater 2 Immersion heater 3 port valve Defrost Heating Hot Water Heating ECO Anti freeze Cooling External input Analog input Comp OFF Legionella prevention Emergency Error PAR W21MAA FTC2 Local system controller IN1 IN2 IN3 IN4 IN5 IN6 IN7 IN8 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 TH1 TH2 TH5 TH5 TH2 TH1 Flow switch Water circulation...

Page 25: ... the water circulation pump starts running before the Heat pump unit Other factors in the Heat pump phase Heat pump status Water circulation pump status 3 port valve status Booster heater 1 status Booster heater 2 status Immersion heater status ON for DHW ON ON OFF for DHW OFF OFF Electric heaters are not used in the Heat pump phase Electric heater phase TYPE B Sanitary tank Booster heater Immersi...

Page 26: ...operations ON ON Activate by external input signal IN2 Legionella prevention mode is satisfied when TH5 TLP deg C consecutively for 1 minute The Legionella prevention mode is satisfied in 2 stages firstly the heat pump phase followed by the electric heater phase Electric heater phase is required if tank temperature TH5 does not increase for some reason or once TH5 reaches the set temperature THW S...

Page 27: ... completion of defrost In this time it considers the operation it was previously performing The maximum frequency shall be restricted as follows depending on the temperature drop of outlet water during the defrost operation Temperature differential at the beginning of defrost operation Operation THE Maximum frequency is NOT restricted THE TH1 2 deg C TH1 2 deg C Maximum frequency is restricted for...

Page 28: ...N1 b SW 3 7 is ON 4 5 9 2 Finish condition Emergency mode shall finish when all of the following conditions are fulfilled a The system does NOT have external input IN1 b SW 3 7 is OFF Operation mode is selected by local system controller or remote controller settings 4 5 9 3 In Domestic Hot Water mode Heat pump unit is OFF Electric heater phase starts immediately When the switch setting is for No ...

Page 29: ... 150 times DHW operations ON ON Activate by external input signal IN2 SW2 5 SW2 6 Set temperature in Legionella prevention mode 60 deg C 65 deg C SW2 7 Immersion heater usage in Domestic Hot Water mode In use Not in use SW2 8 Booster heater usage in Heating mode In use Not in use SW3 SW3 1 3 port valve control during defrost in Heating mode OFF Heating circuit ON Domestic Hot Water circuit SW3 2 P...

Page 30: ...ater TH1 sensor error P2 Refrigerant liquid Pipe TH2 sensor error P6 Freezing Overheating protection operation Fb FTC unit control system error memory error etc E0 E5 Signal transmission failure between remote controller and FTC E6 EF Signal transmission failure between outdoor unit and FTC No trouble generated in the past FFFF No corresponding unit U F Outdoor unit failure Refer to the outdoor un...

Page 31: ...ng unit U F Outdoor unit failure Refer to the outdoor unit wiring diagram For description of each LED LED1 5 provided on the FTC2 refer to the following table LED 1 Power for microcomputer Indicates whether control power is supplied Make sure that this LED is always lit LED 2 Power for remote controller Indicates whether power is supplied to the remote controller This LED lights only in the case o...

Page 32: ...the target temperature Day of Week Shows the current day of the week Time Timer Display Shows the current time unless the simple or Auto Off timer is set If the simple or Auto Off timer is set shows the time remaining Power On indicator Indicates that the power is on Locked indicator Indicates that remote controller buttons have been locked Timer indicators The indicator comes on if the cor respon...

Page 33: ...t 4 will increment first in one minute intervals then in ten minute intervals and then in 1 hour intervals 4 After making the appropriate settings at Steps 2 and 3 press the button 4 to lock in the values Note The day and time will not appear if clock use has been dis abled at Function Selection of remote controller F C C TIME SUN Function Selection of remote controller Set Day Time Standard Contr...

Page 34: ...message when you press the buttons as described above C C TIME SUN FUNCTION ON OFF TEMP If you press a locked button the Locked indication at 1 will blink on the display C C FUNCTION C C FUNCTION C C 1 1 1 1 1 4 C C ON OFF TEMP 2 3 2 6 3 3 Temperature setting To decrease the target temperature Press button 3 to set the desired temperature The selected temperature is displayed 3 To increase the tar...

Page 35: ...ntroller functions are selectable in the remote controller function selection mode Change setting when needed Item 1 Item 2 Item 3 1 Change language CHANGE LAN GUAGE Language setting to display Some European languages are selectable 2 Function limit FUNCTION SELEC TION 1 Operation function limit setting operation lock LOCK ING FUNCTION To invalidate some functions 2 Use of operation mode setting S...

Page 36: ...emote controller will be the sub controller TIMER MODE OFF Timer mode can not be used Initial setting WEEKLY TIMER Weekly timer can be used AUTO OFF TIMER Auto off timer can be used SIMPLE TIMER Simple timer can be used ON The clock function can be used Initial setting OFF The clock function can not be used OFF The set contact numbers are not displayed in case of error Initial setting ON The set c...

Page 37: ... the setting other than OFF is made the temperature range limit setting on heating hot water anti freeze and cooling mode is made at the same time However the range cannot be limited when the set temperature range has not changed To increase or decrease the temperature press the TEMP or button F To switch the upper limit setting and the lower limit setting press the INITIAL SETTING button H The se...

Page 38: ... MAIN Remote controller setting SUB Use of clock setting Contact number setting Temperature off set function Temperature off set function Heating Temperature off set function Cooling Setting the day of the week and time Timer set Timer monitor Weekly timer Timer mode off Simple timer Display change Water temperature display setting Language selection Mode skip setting Mode skip Heating Heating ECO...

Page 39: ...tting Option setting Heating Option setting Cooling Water circuit check Waiting for response Waiting for setting Not dealt with Maintenance Water temperature Initial setting Selecting language Heating Heating ECO Hot water Anti freeze Cooling Auto off timer English German Spanish Russian Italian French Swedish ...

Page 40: ...g to the outdoor temperature No 1 Display shows target flow temperature Display shows outdoor temperature No 2 Display shows target flow temperature Display shows outdoor temperature Press button to switch alternately The blinking figure can be changed Target temperature in HOT WATER mode Set target flow water temperature in HOT WATER mode with TEMP buttons and Target temperature in ANTI FREEZE mo...

Page 41: ...om this mode without any change FTC Outdoor unit TH1 Water piping T a Actual Flow water temp outlet side T s sensed flow water temp 1 Refrigerant water HEX FTC Outdoor unit TH1 Water piping T a Actual Flow water temp outlet side T s sensed flow water temp HEATING mode ӠT h T a T s COOLING mode ӠT c T s T a CIR WATER CIR WATER ON OFF TEMP OFFSET HEATING TEMP OFFSET COOLING 1 1 Temperature OFFSET se...

Page 42: ...s the target temperature Day of Week Shows the current day of the week Time Timer Display Shows the current time unless the simple or Auto Off timer is set If the simple or Auto Off timer is set shows the time remaining Power On indicator Indicates that the power is on Locked indicator Indicates that remote controller buttons have been locked Timer indicators The indicator comes on if the cor resp...

Page 43: ... at 4 will increment first in one minute intervals then in ten minute intervals and then in 1 hour intervals 4 After making the appropriate settings at Steps 2 and 3 press the button 4 to lock in the values Note The day and time will not appear if clock use has been dis abled at Function Selection of remote controller F C C TIME SUN Function Selection of remote controller Set Day Time Standard Con...

Page 44: ... disabled in Function Selection of remote controller the screen will display the Not Available message when you press the buttons as described above C C TIME SUN FUNCTION ON OFF TEMP If you press a locked button the Locked indication at 1 will blink on the display C C FUNCTION C C FUNCTION C C 1 1 1 1 1 4 C C ON OFF TEMP 2 3 2 6 3 3 Temperature setting To decrease the target temperature Press butt...

Page 45: ...ntroller functions are selectable in the remote controller function selection mode Change setting when needed Item 1 Item 2 Item 3 1 Change language CHANGE LAN GUAGE Language setting to display Some European languages are selectable 2 Function limit FUNCTION SELEC TION 1 Operation function limit setting operation lock LOCK ING FUNCTION To invalidate some functions 2 Use of operation mode setting S...

Page 46: ... remote controller will be the sub controller TIMER MODE OFF Timer mode can not used Initial setting WEEKLY TIMER Weekly timer can be used AUTO OFF TIMER Auto off timer can be used SIMPLE TIMER Simple timer can be used ON The clock function can be used Initial setting OFF The clock function can not be used OFF The set contact numbers are not displayed in case of error Initial setting ON The set co...

Page 47: ... the setting other than OFF is made the temperature range limit setting on heating hot water anti freeze and cooling mode is made at the same time However the range cannot be limited when the set temperature range has not changed To increase or decrease the temperature press the TEMP or button F To switch the upper limit setting and the lower limit setting press the INITIAL SETTING button H The se...

Page 48: ... MAIN Remote controller setting SUB Use of clock setting Contact number setting Temperature off set function Temperature off set function Heating Temperature off set function Cooling Setting the day of the week and time Timer set Timer monitor Weekly timer Timer mode off Simple timer Display change Water temperature display setting Language selection Mode skip setting Mode skip Heating Heating ECO...

Page 49: ...etting Option setting Heating Option setting Cooling Water circuit check Waiting for response Waiting for setting Not dealt with Maintenance Water temperature Initial setting Selecting language Heating Heating ECO Hot water Anti freeze Cooling Auto off timer English German Spanish Russian Italian French Swedish ...

Page 50: ...g to the outdoor temperature No 1 Display shows target flow temperature Display shows outdoor temperature No 2 Display shows target flow temperature Display shows outdoor temperature Press button to switch alternately The blinking figure can be changed Target temperature in HOT WATER mode Set target flow water temperature in HOT WATER mode with TEMP buttons and Target temperature in ANTI FREEZE mo...

Page 51: ...leakage or something T s Sensed DHW tank temp T a Actual DHW tank temp ΔT h T a T s Set OFFSET temperature ΔT h in Domestic Hot Water mode with TEMP buttons and TEMP OFFSET HEATING T a Actual flow water temp outlet side T s Sensed flow water temp ΔT c T s T a Set OFFSET temperature ΔT c in Cooling mode with TEMP buttons and TEMP OFFSET COOLING In order to let the PCB memorize the changed parameter...

Page 52: ...h TEMP buttons and Press button to switch alternately The blinking figure can be changed In order to let FTC memorize set parameters Make sure to press button before exit from ANALOG SIGNAL ADJUST mode If you press button before pressing button in ADJUST mode you can exit from this mode without making any change 4mA 20mA 1V 5V 0V 10V INITIAL SETTING AD INPUT HEATING AD INPUT HEATING AD INPUT COOLI...

Page 53: ...th TEMP buttons and Press button to switch alternately The blinking figure can be changed In order to let FTC2 memorize set parameters Make sure to press button before exit from ANALOG SIGNAL ADJUST mode If you press button before pressing button in ADJUST mode you can exit from this mode without making any change 4mA 20m 1V 5V 0V 10V INITIAL SETTING AD INPUT HEATING AD INPUT HEATING AD INPUT COOL...

Page 54: ... button being pressed Is the on timer set Press the ON OFF button to stop operation Is the FTC connected to a external signal Consult the concerned people who control the FTC Does appear in the remote controller display Consult the concerned people who control the FTC Has the auto recovery feature from power failures been set Press the ON OFF button to stop operation FTC stops without the ON OFF b...

Page 55: ... of the external signal Has the auto recovery feature from power failures been set Press the ON OFF button to stop operation FTC2 stops without the ON OFF button being pressed Is the off timer set Press the ON OFF button to restart operation Is the FTC2 connected to an external signal The FTC2 is being controlled by an external signal check the source of the external signal Does appear in the remo...

Page 56: ...ination 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 3 2 FTC 3 4 FTC2 or 3 3 FTC3 Note Install the hydraulic filter at the water inlet pipework Water quality should be to European Directive 98 83 EC standards pH value of 6 5 8 Calcium...

Page 57: ...Flow temp controller C 57 C 57 ...

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