Mitsubishi Electric PAC-SIF051B-E Installation Manual Download Page 19

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PACKAGED type outdoor unit without DHW tank and booster heater

PACKAGED type outdoor unit with DHW tank and booster heater

DHW tank

temperature

THW5B

Water

OUTLET

side

after booster heater

Outdoor unit

Water

piping

TH2

PACKAGED type

(with a refrigerant-water HEX inside)

*1 Refrigerant-water HEX

THW2

THW1

Not necessary

Water

INLET

side

PACKAGED type outdoor unit with DHW tank

Outdoor unit

TH2

*1 Refrigerant-water HEX

THW2

THW5B

THW1

DHW tank

temperature

Water

OUTLET

side

Water

piping

PACKAGED type

(with a refrigerant-water HEX inside)

Water

INLET

side

Not necessary

Outdoor unit

TH2

*1 Refrigerant-water HEX

THW2

THW1

THW5B

PACKAGED type outdoor unit with booster heater

Water

OUTLET

side

after booster heater

Water

piping

PACKAGED type

(with a refrigerant-water HEX inside)

Not necessary

Water

INLET

side

Not necessary

Outdoor unit

TH2

THW2

THW1

THW5B

*1 Refrigerant-water HEX

Water

piping

PACKAGED type

(with a refrigerant-water HEX inside)

Not necessary

Water

INLET

side

Not necessary

Refrigerant

Refrigerant

LIQUID

side

SPLIT type outdoor unit with DHW tank and 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

THW5B

THW2

FTC

(Main)

FTC

(Main)

FTC

(Main)

FTC

(Main)

FTC

(Main)

FTC

(Main)

FTC

(Main)

FTC

(Main)

Outdoor unit

SPLIT type outdoor unit with DHW tank

THW1

TH2

THW5B

THW2

Refrigerant

Refrigerant

LIQUID

side

piping

SPLIT type

(without a refrigerant-water HEX inside)

*1 Refrigerant-water HEX

DHW tank

temperature

Water

OUTLET

Water

piping

Water

INLET

side

Outdoor unit

SPLIT type outdoor unit with booster heater

THW1

TH2

THW2

THW5B

Not necessary

Refrigerant

Refrigerant

LIQUID

side

piping

SPLIT type

(without a refrigerant-water HEX inside)

*1 Refrigerant-water HEX

Water

OUTLET

after booster heater

Water

piping

Water

INLET

side

Outdoor unit

SPLIT type outdoor unit without DHW tank and booster heater

THW1

TH2

THW2

THW5B

Not necessary

Refrigerant

Refrigerant

LIQUID

side

piping

SPLIT type

(without a refrigerant-water HEX inside)

*1 Refrigerant-water HEX

Water

piping

Water

INLET

side

Outdoor unit

side

Water

OUTLET

side

Water

OUTLET

side

4. Electrical work

Outdoor unit type

DHW tank

TH2

THW1

THW2

THW5B

Split

Present
Absent

—

Packaged

Present

—

Absent

—

: Necessary. Connect the thermistor.

—: Not necessary. The thermistor is not required, do not connect.

4.4.5. Thermistor position and necessity

<Fig. 4.4.2>

Summary of Contents for PAC-SIF051B-E

Page 1: ...NTROLLER MAIN Cased PAC IF071B E PAC IF072B E PAC IF073B E FLOW TEMP CONTROLLER SUB Cased PAC SIF051B E INSTALLATION MANUAL For safe and correct use read this manual thoroughly before installing the FTC unit FOR INSTALLER ...

Page 2: ...p system keep water from splashing on the FTC unit When installing sensors and parts do not expose the terminals 1 1 Before installation Environment Caution Do not install the FTC unit in outdoor location as it is designed for indoor installation only Otherwise electric shock or breakdown may be caused by water wind or dust Do not use the unit in an unusual environment If the FTC unit is installed...

Page 3: ...plumbing parts NO DHW tank DeltaT Difference in temperature between two system locations DHW mode Domestic hot water heating mode for showers sinks etc Flow temperature Temperature at which water is delivered to the primary circuit FTC Main Flow temperature controller the circuit board in charge of controlling the system main board for multiple outdoor units control FTC Sub Sub board for multiple ...

Page 4: ...uit 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 produced flow or ac cumulate Select a level location that can bear the weight and vibration of the unit Avoid locations where the unit is exposed ...

Page 5: ...utdoor unit 4 1 4 2 FTC Main powered by independent source 4 1 4 2 3 2 Second step Outdoor unit type Outdoor unit type System diagram Thermistor Reference section Split TH2 Liquid refrigerant temp 4 4 5 2 Packaged 4 4 5 2 PAC IF072 073B E is not available for Split type system FTC Main Main remote controller Wireless Remote controller Option Wireless receiver Option Outdoor unit Main remote contro...

Page 6: ...ing defrost Present Present Present For heating only THW1 Flow water temp THW2 Return water temp THW5B Tank water temp 4 4 4 5 5 3 Present Present Absent THW1 Flow water temp THW2 Return water temp THW5B Tank water temp 4 4 4 5 5 3 Absent Absent Present THW1 Flow water temp THW2 Return water temp 4 4 4 5 5 3 Absent Absent Absent THW1 Flow water temp THW2 Return water temp 4 4 4 5 5 3 1 Please make...

Page 7: ... of water Water circulation pump Current 1 0A Max Power supply 230 V AC When connecting a pump with an electric current of 1 A or multiple pumps please note the following 1 Use a relay s 2 When power is supplied from outdoor unit TOTAL current including the other parts requirement MUST be 3 A otherwise the fuse on the outdoor unit PCB will blow 3 When independent power supplies i e from the FTC un...

Page 8: ...g 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 Install the thermistor THW5B optional parts PAC TH011TK2 E 5 m or PAC TH011TKL2 E 30...

Page 9: ...temp thermistor THW6 4 Zone1 return water temp thermistor THW7 5 Zone1 water circulation pump local supply 6 Motorized mixing valve local supply 7 Zone2 flow water temp thermistor THW8 8 Zone2 return water temp thermistor THW9 9 Zone2 water circulation pump local supply Optional part PAC TH011 E Optional part PAC TH011 E 10 Zone2 heat emitters e g underfloor heating local supply 11 Boiler flow wat...

Page 10: ...eter locally supplied FTC has external input terminals for 2 Electric energy meters and a Heat meter If two Electric energy meters are connected the 2 recorded values will be combined at the FTC and shown on the main remote controller e g Meter 1 for H P power line Meter 2 for heater power line Refer to the Signal inputs section in 4 5 Connecting inputs outputs for more information on connectable ...

Page 11: ...e ground value Notes 1 Wiring size must comply with the applicable local and national codes 2 FTC Main outdoor unit connecting cords shall not be lighter than polychloroprene sheathed flexible cord Design 60245 IEC 57 FTC Main power supply cords shall not be lighter than polychloroprene sheathed flexible cord Design 60227 IEC 53 3 Install an earth longer than other cables 4 Please keep enough outp...

Page 12: ...supply 2 Min 1 5 FTC Main power supply earth 1 Min 1 5 FTC Main Outdoor unit 2 2 Min 0 3 FTC Main Outdoor unit earth Circuit rating FTC Main L N 3 230V AC FTC Main Outdoor unit S1 S2 3 FTC Main Outdoor unit S2 S3 3 24V DC 2 Max 120 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 ...

Page 13: ...in remote controller can be installed either in the switch box or directly on the wall Perform the installation properly according to the method 1 Secure clearances shown in Fig 4 2 2 regardless of whether installing the main 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 c...

Page 14: ...g deformation or cracks to the main 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 front cover by knife or nipper Thread the main remote controller cable from the slot behind the bottom case through this access hole 7 Plug the lead w...

Page 15: ...remote controller cable along the wall surface Thread the main remote controller cable through the cable access hole at the top of the main remote controller Seal the gap between the cable and the access hole with putty Use a cable cover Disassembling the top case and the front cover 1 Remove the front cover Insert a flat head screwdriver into either of two open slots at the bottom of the main rem...

Page 16: ...P SW1 8 to ON Before operation configure the wireless remote controller to transmit and receive data referring to the wireless remote controller installation manual Control option B This option features the main remote controller and the Mitsubishi Electric thermistor wired to FTC Main The thermistor is used to monitor room temperature but can not make any changes in control operation Any changes ...

Page 17: ...o allocated to Zone1 and the thermistor to Zone2 A thermistor built into the main remote controller can be used for monitoring the room temperature for Auto Adaptation function whilst keeping all its features of the main re mote controller available The main remote controller and FTC Main are connected by a 2 core 0 3 mm non polar cable local supply with a maximum length of 500 m To use the sensor...

Page 18: ...Main When the THW1 and THW2 cables are too long bundle the excess cables outside the FTC Main unit Do not bind the wires in the FTC Main unit 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 ...

Page 19: ...ide 1 Refrigerant water HEX DHW tank temperature Water OUTLET side after booster heater Water piping Water INLET side THW1 TH2 THW5B THW2 1 FTC Main FTC Main FTC Main FTC Main FTC Main FTC Main FTC Main FTC Main Outdoor unit SPLIT type outdoor unit with DHW tank THW1 TH2 THW5B THW2 1 Refrigerant Refrigerant LIQUID side piping SPLIT type without a refrigerant water HEX inside 1 Refrigerant water HE...

Page 20: ...nu 4 Connectable electric energy meter and heat meter Pulse type Voltage free contact for 12VDC detection by FTC TBI 2 1 pin TBI 3 5 and 7 pins have a positive voltage Pulse duration Minimum ON time 40ms Minimum OFF time 100ms Possible unit of pulse 0 1 pulse kWh 1 pulse kWh 10 pulse kWh 100 pulse kWh 1000 pulse kWh Those values can be set by the main remote controller Refer to the menu tree in 7 ...

Page 21: ...ON non voltage contact 220 240 V AC 30 V DC 0 5 A or less 10 mA 5 V DC or more OUT11 TBO 3 5 6 Error output Normal Error 230 V AC 0 5 A Max 3 0 A b OUT12 TBO 3 7 8 Defrost output Normal Defrost 230 V AC 0 5 A Max OUT13 TBO 4 3 4 2 way valve 2a output 2 OFF ON 230 V AC 0 1 A Max OUT14 CNP4 Water circulation pump 4 output DHW OFF ON 230 V AC 1 0 A Max 4 0 A a OUT15 TBO 4 1 2 Comp ON signal OFF ON 23...

Page 22: ...heater with a built in indirect cut off thermostat Wiring for immersion heater with a built in direct cut off thermostat Fig 4 6 1 Fig 4 6 2 Fig 4 6 3 4 6 Wiring for heater Care to be taken when connecting a booster heater s The initial setting assumes that the connected booster heater s has a built in direct cut off thermostat Fig 4 6 1 When the connected booster heater s has a built in indirect ...

Page 23: ...local supply 2 Zone2 2 way valve 2b local supply 3 Water circulation pump 2 local supply 1 4 By pass valve local supply 2 1 Install according to system in the field 2 For safety protection it is recommended to install a by pass valve Note Freeze stat function is deactivated whilst this control is ON Use anti freeze solution to avoid freezing if necessary 4 Room thermostat connection Opening closin...

Page 24: ...ease read the fol lowing Specification of 2 way valve local supply Power supply 230V AC Current 0 1A Max If over 0 1A you must use a relay Type Normally closed Installation position Electrical connection terminal block Output signal Heating DHW System OFF 2 way valve1 DHW TBO 2 5 6 OFF closed ON open OFF closed 2 way valve2 Heating TBO 4 3 4 ON open OFF closed OFF closed Note Should the 2 way valv...

Page 25: ...ps on the FTC control board are all off 6 The read and write operations have been verified using the following SD mem ory cards however these operations are not always guaranteed as the speci fications of these SD memory cards could change Manufacturer Model Tested in Verbatim 44015 Mar 2012 SanDisk SDSDB 002G B35 Oct 2011 Panasonic RP SDP04GE1K Oct 2011 Arvato 2GB PS8032 TSB 24nm MLC Jun 2012 Arv...

Page 26: ...Active 6 OFF SW2 8 Flow sensor WITHOUT Flow sensor WITH Flow sensor OFF SW3 SW3 1 Room thermostat 2 input IN6 logic change Zone2 operation stop at thermostat short Zone2 operation stop at thermostat open OFF SW3 2 Flow switch 2 and 3 input logic change Failure detection at short Failure detection at open OFF SW3 3 OFF SW3 4 Electric energy meter WITHOUT Electric energy meter WITH Electric energy m...

Page 27: ...eating only ON For heating and DHW Set Dip SW 2 6 to set whether the system has a mixing tank Dip SW 2 6 Setting OFF WITHOUT mixing tank ON WITH mixing tank When Dip SW 2 6 is OFF back up operation of boiler is not available When Dip SW 2 6 is OFF 2 zone temperature control is not available Set Dip SW 2 7 to set activate or deactivate 2 zone temperature control Dip SW 2 7 Setting OFF Inactive ON A...

Page 28: ...eater OFF WITHOUT booster heater OFF WITHOUT DHW tank OFF WITHOUT immersion heater ON WITH booster heater OFF OFF WITHOUT DHW tank OFF WITHOUT immersion heater OFF WITHOUT booster heater The use of two 2 way valves can perform same function as a 3 way valve Booster heater Heat emitter DHW tank THW5B THW1 THW2 3 way valve Booster heater Heat emitter DHW tank THW5B THW1 THW2 Immersion heater 3 way v...

Page 29: ...rence Summary of Booster heater control The booster heater is controlled in the following three steps Booster heater 1 OUT6 Booster heater 2 OUT7 OFF OFF OFF ON STEP 1 ON OFF STEP 2 OFF ON STEP 3 ON ON Set Dip SW 2 4 to set activate or deactivate cooling mode Dip SW 2 4 Setting OFF Inactive ON Active When Dip SW 2 4 is OFF cooling mode is not available Set Dip SW 2 5 to set the automatic switch to...

Page 30: ...ing mode When the system is not incorporated with boiler the emergency mode is not available Before starting the emergency mode turn off the outdoor unit and FTC Main and then turn Dip SW 4 6 to ON Then turn on FTC Main to start the emergency mode FTC Main can be power supplied by the outdoor unit or directly by power source If emergency mode is no longer required please turn off both outdoor and ...

Page 31: ...WB1 failure Check resistance across the thermistor LE Boiler operation error See Action for L8 Check the status of the boiler LF Flow sensor failure Check flow sensor cable for damage or loose connections LH Boiler circulation water freeze protection Flow rate of the heating circuit from the boiler may be reduced Check for water leakage strainer blockage water circulation pump function LJ DHW oper...

Page 32: ...y result Do not remove the front panel or the fan guard from the outdoor unit when it is running When you notice exceptionally abnormal noise or vibration stop opera tion turn off the power switch and contact your dealer Never insert fingers sticks etc into the intakes or outlets If you detect odd smells stop using the unit turn off the power switch and consult your dealer Otherwise a breakdown el...

Page 33: ...Electric heaters booster or immersion heater are in use 4 Target temperature Target flow temperature Target room temperature Compensation curve 5 OPTION Pressing the function button below this icon will dis play the option screen 6 Increase desired temperature 7 Decrease desired temperature 8 Z1 Z2 Pressing the function button below this icon switch es between Zone1 and Zone2 Information Pressing ...

Page 34: ...TION Initial settings wizard DHW SETTINGS Operation mode Skip Confirm Main Settings Menu The main settings menu can be accessed by pressing the MENU button To re duce the risk of untrained end users altering the settings accidentally there are two access levels to the main settings and the service section menu is password protected User Level Short press If the MENU button is pressed once for a sh...

Page 35: ...e Cooling flow temp Heating room temp Heating flow temp Heating compensation curve Cooling flow temp Compensation curve preview Compensation curve edit F1 F1 F3 F1 F2 F2 F2 F2 F4 F3 F3 F3 F4 F4 F3 F4 F2 F4 F3 F4 F2 F3 F4 DHW Date Time yyyy mm dd hh mm EN FR DE SV ES IT DA NL FI NO PT BG PL CZ RU TR SL OFF Room Tank Room Tank OFF ON hh mm hh mm AM AM hh mm C F Room RC zone select Sensor setting Zon...

Page 36: ...Hybrid settings Ambient Energy price CO2 emission Heat source Schedule Electricity Electric Heat pump capacity ON OFF Boiler Boiler Boiler efficiency Target temp Start Finish Temp increase step Temp decrease step Max temp Max temp period Increase interval Decrease interval Booster heater 2 capacity Booster heater 1 capacity Flow temp Increase Flow temp Decrease Priority Ambient Cost CO2 Ambient In...

Page 37: ...ts must be less than 50 C to protect the device Eco mode DHW mode can run in either Normal or Eco mode Normal mode will heat the water in the DHW tank more quickly using the full power of the heat pump Eco mode takes a little longer to heat the water in the DHW tank but the energy used is reduced This is because heat pump operation is restricted using signals from the FTC based on measured DHW tan...

Page 38: ...that LP mode uses the assistance of electric heaters to supple ment the energy input of the heat pump Heating water for long periods of time is not efficient and will increase running costs The installer should give careful consideration to the necessity of legionella prevention treatment whilst not wasting energy by heating the stored water for excessive time periods The end user should understan...

Page 39: ...rimary water freeze risk 1 When the system is turned off freeze stat function is not enabled 2 Flow t is fixed to 20 C and unchangeable Simultaneous Operation For periods of very low outside temperature this mode can be used Simultaneous operation allows both DHW and space heating to run together by using the heat pump and or booster heater to provide space heating whilst only the immersion heater...

Page 40: ...edure described in General Operation for the set up operation For Pump 1 can be also set besides this setting In the case is selected the system acknowledges factory fitted pump is se lected Refer to 3 7 Energy Monitor Floor dry up function The Floor dry up function automatically changes the target hot water temperature in stages to gradually dry concrete when this particular type of underfloor he...

Page 41: ...12 Zone1 operation mode Heating room temp Heating flow temp Heat ing compensation curve Cooling flow temp Room temp Zone2 operation mode 1 Heating room temp Heating flow temp Heat ing compensation curve Cooling flow temp Compensation curve Compensation curve Hi flow temp set point Zone1 outdoor ambient temp 30 C 33 C 3 15 C Zone1 flow temp 20 C 60 C 50 C Zone2 outdoor ambient temp 1 30 C 33 C 3 15...

Page 42: ...ard Heater Boiler Hybrid 7 Standard Heat pump setting Heat pump flow rate range Minimum 0 100 L min 5 L min Maximum 0 100 L min 100 L min Quiet mode Day Mon Sun Time 0 00 23 45 Quiet level Normal Level1 Level2 Normal Operation settings Heating operation 8 Flow temp range 10 Min temp 20 45 C 30 C Max temp 35 60 C 50 C Room temp control 15 Mode Normal Fast Normal Interval 10 60min 10min Heat pump th...

Page 43: ...rol IN4 Heat source OFF Boiler operation Boiler operation Outdoor thermostat IN5 Heater operation Boiler operation Boiler operation Thermo ON output Zone1 Zone2 Zone1 2 Zone1 2 1 The settings related to Zone2 can be switched only when 2 Zone temperature control is enabled when DIP SW2 6 and SW 2 7 are ON 2 For the model without both booster and immersion heater it may not reach the set temperature...

Page 44: ...e between FTC Main and outdoor unit 3 The main screen appears with a press of the ON button but disappears in a second The main remote controller operations do not work for a whilst after the settings are changed in the service menu This is because the system takes time to apply the changes Normal operation The indoor unit is applying updated settings made in the service menu Normal operation will...

Page 45: ...er has been corrected 3 Main remote controller failure 6 LED4 on FTC Main is off See figure 4 5 1 1 SD memory card is NOT inserted into the memory card slot with correct orientation 1 Correctly insert SD memory card in place until a click is heard 2 Not an SD standards compliant memory card 2 Use an SD standards compliant memory card Refer to section 4 11 LED4 on FTC Main is blinking See Figure 4 ...

Page 46: ... system does not reach the set temperature 1 Prohibit schedule timer or holiday mode se lected 1 Check settings and change as appropriate 2 Check settings and change as appropriate 2 Check the battery power and replace if flat 3 The temperature sensor is located in a room that has a different temperature relative to that of the rest of the house 3 Relocate the temperature sensor to a more suitable...

Page 47: ...revention mecha nism routine to inhibit the build up of scale Normal operation no action necessary 23 Milky Cloudy water Sanitary circuit Oxygenated water Water from any pressurised system will release oxygen bubbles when water is run ning The bubbles will settle out 24 Heating mode has been on standby for a long time does not start operation smoothly The time of Delay set in Economy settings for ...

Page 48: ...mp thermistor TH2 1 11 Sub2 circulation pump1 local supply 12 Sub2 flow switch local supply 2 13 Sub2 flow temp thermistor THW1 14 Sub2 return temp hermistor THW2 15 Sub2 ref liquid temp thermistor TH2 1 System 1 Heating Cooling system Install a low loss header local supply Install booster heater toward the local system relative to the low loss header 1 When the outdoor unit is split type TH2 need...

Page 49: ...e same function as a 3 way valve 4 DHW operation requires to use the main unit or hydrobox as the sub controller No Component Wiring Main Sub 1 4 Sub 2 4 1 Booster heater local supply 2 Circulation pump1 local supply 3 Flow switch1 local supply 2 4 Immersion heater local supply 5 Flow temp thermistor THW1 6 Return temp thermistor THW2 7 Tank water temp THW5B 8 Sub1 circulation pump1 local supply 9...

Page 50: ...2 Zone1 return temp thermistor THW7 option No Component Wiring Main Sub 1 Sub 2 13 Zone2 flow temp thermistor THW8 option 14 Zone2 return temp thermistor THW9 option 15 Sub1 circulation pump1 local supply 16 Sub1 flow switch local supply 2 17 Sub1 flow temp thermistor THW1 18 Sub1 return temp thermistor THW2 19 Sub1 ref liquid temp thermistor TH2 1 20 Sub2 circulation pump1 local supply 21 Sub2 fl...

Page 51: ...TH2 1 16 Sub2 circulation pump1 local supply 17 Sub2 flow switch local supply 2 18 Sub2 flow temp thermistor THW1 19 Sub2 return temp thermistor THW2 20 Sub2 ref liquid temp thermistor TH2 1 1 Cooling system is available only with ERS models 2 For safety protection it is recommended to install a flow switch No Component Wiring Main Sub 1 Hydrobox Sub 2 Hydrobox 1 Booster heater local supply 2 Circ...

Page 52: ... controller setting FTC Sub PAC SIF051B E Fig 9 3 3 FTC Sub can be powered in two ways 1 Power cable is run from the outdoor unit to FTC Sub 2 FTC Sub has independent power source Note Do not run the low voltage cables through a slot that the high voltage cables go through Bundle cables by using clamps as shown in the figure to the right Option 1 FTC Sub powered via outdoor unit 1 phase Low voltag...

Page 53: ...e the short circuited connector CNS2 on FTC Sub see Fig 9 3 5 Turn the outdoor unit DIP switch SW8 3 to ON Turn on the outdoor unit BEFORE the FTC Sub 1 If the installed earth leakage circuit breaker does not have an over current protection function install a breaker with that function along the same power line Fig 9 3 5 Fig 9 3 6 FTC Sub power supply N 230 V 50 Hz FTC Sub input capacity Main swit...

Page 54: ...changer also needs to be detected for protection purpose 9 5 2 Connecting the flow water temp thermistor THW1 cable and the return water temp thermistor THW2 cable The THW1 and the THW2 cables share a connector and the connector connects to CNW12 connector on FTC Sub When the THW1 and THW2 cables are too long bundle the excess cables outside the FTC Sub unit Do not bind the wires in the FTC Sub un...

Page 55: ...ic change Failure detection at short Failure detection at open SW2 3 Booster heater capacity restriction Inactive Active SW2 4 Cooling mode function Inactive Active SW2 5 Automatic switch to backup heater only operation When outdoor unit stops by error Inactive Active SW2 6 Mixing tank WITHOUT Mixing tank WITH Mixing tank 2 SW2 7 2 zone temperature control Inactive Active SW2 8 Flow sensor WITHOUT...

Page 56: ...quivalent Wire size Stranded wire 0 13 mm to 1 25 mm Solid wire ø0 4 mm to ø1 2 mm Switch Non voltage a contact signals Remote switch minimum applicable load 12V DC 1mA L N OUT13 1 2 3 4 5 6 TBO 1 1 2 3 4 5 6 TBO 2 TBO 3 1 2 3 4 5 6 7 8 1 2 3 4 6 5 TBO 4 L N OUT1 L N OUT4 TBO 5 1 2 3 4 5 6 7 8 7 8 CN108 CN01 BK 1 3 CN3C BU CNPWM WH 1 5 CNRF WH CN105 RD CNIT BU 1 2 CN20 RD TBI 1 LED3 LED4 TAB1 8 1 ...

Page 57: ...12 3 4 Thermistor Return water temp Note Do not splice the wiring to extend or shorten it or this could affect correct monitoring of each temperature If the wiring is too long bundle it with a strap to adjust the length Output Name Terminal block Connector Item OFF ON Signal Max current OUT1 TBOUT 1 2 Water circulation pump 1 output OFF ON 230 V AC 1 0 A Max en PAC SIF051B E Fig 9 7 4 LED1 LED3 TB...

Page 58: ...30 V AC 0 1 A Max Fig 9 7 7 L N OUT13 1 2 3 4 5 6 TBO 1 1 2 3 4 5 6 TBO 2 TBO 3 1 2 3 4 5 6 7 8 1 2 3 4 6 5 TBO 4 L N OUT1 L N OUT4 7 8 TBO 5 1 2 3 4 5 6 7 8 2 CN22 CN108 CN01 BK 1 3 CN3C BU CNPWM WH 1 8 CN851 BK 1 5 CNRF WH CN105 RD CNIT BU 1 2 CN20 RD TBI 1 LED3 LED4 TAB1 8 1 2 3 4 5 6 1 2 3 4 5 6 7 8 CNP1 WH TBO 1 1 5 3 1 5 SW6 1 3 1 5 1 5 BU 1 LED2 1 SW1 8 1 SW2 8 1 SW3 1 SW4 6 8 1 SW5 LED1 1 ...

Page 59: ... See section 4 5 When the voltage is not 220 to 240V AC check for faulty wiring to power supply When the voltage is 220 to 240V AC go to 2 below 2 There are problems in the method of connecting the connectors 2 Check for faulty wiring between the connectors When the connectors are wired incorrectly re wire them correctly referring to below See section 4 5 and a wiring diagram on the control and el...

Page 60: ...p thermostats 3 Wireless remote controller option Room temp thermostat local supply Main remote controller remote position 1 The boiler temp thermistor is an optional part 2 OUT10 has no voltage across it 3 Boiler heating is controlled on off by the room temp thermostat Remote controller settings 1 Go to Service menu Heat source setting and choose Boiler or Hybrid 4 2 Go to Service menu Operation ...

Page 61: ...for SPLIT type Use the pipe with same diameter size as the refrigerant pipe connection diameter of outdoor unit Refer to outdoor unit installation manual Ensure that there is sufficient anti freeze chemical in the water circuit It is recommended to use 7 4 anti freeze to water ratio The water velocity in pipes should be kept within certain limits of material to avoid erosion corrosion and excessiv...

Page 62: ......

Page 63: ...eho systému opísané nižšie pre použitie v obytných komerčných a ľahkých priemyselných oblastiach ezennel kizárólagos felelősséggel kijelenti hogy az alábbiakban leírt lakó kereskedelmi és könnyűipari környezetben használható fűtőrendszer alkatrészei s tem izrecno izjavljamo da so spodaj opisane komponente ogrevalnega sistema za uporabo v stanovanjskih poslovnih in lahkoindustrijskih okoljih Prin p...

Page 64: ...Printed in the UNITED KINGDOM HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Please be sure to put the contact address telephone number on this manual before handing it to the customer ...

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Mitsubishi Electric PAC-SIF051B-E, Installation Manual

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