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Design

D - 26

(6)Converting to overall A characteristics from octave band levels

If the calculated value for each band in the above table is adjusted by the conversion factors in the above
table, the A characteristic is obtained. These values are then combined in order of magnitude, using the
following calculation diagram to obtain the overall A characteristic.

<Calculation example >

From the frequency analysis table (operating sound for each octave band central frequency) the octave band
levels (dB) are obtained. These values are corrected with the A characteristic correction factor to obtain the A
characteristic. The following is a calculation for operating sound level.

These A characteristic values are combined one by one in order of magnitude. (same as combining operating sound)

(7) Designing sound-proofing countermeasures
<Calculation example>

In the installation of the figure on the right, a scheme for
sound-proofing operation sound with respect to the reception
point is required.
Firstly, the operating sound of the outdoor unit is read
according to frequency. This information is input into Table 1,
the sound-proofing calculation sheet, and the sound
attenuation and amplification for the installation is calculated.

he overall A characteristic is calculated to be 60.95dB(A).

Sound source

Outdoor unit

House

Reception

point

Noise barrier

Outdoor unit

Penthouse

Penthouse

Reflected

sound

House

Reception point

6. Sound-proofing measures

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Содержание SGP-E120J2GU2

Страница 1: ...Contents System Configuration A 1 Outdoor Unit B 1 Control C 1 Design D 1 Construction E 1 Separately Sold Parts F 1 Periodic Inspection G 1 Water Heat Exchanger Unit H 1 ...

Страница 2: ...A 1 System configuration Contents 1 Model type configuration A 2 2 System configuration 1 Multi type system A 3 2 Water heat exchanger unit A 4 ...

Страница 3: ...ation A 2 1 Type Configuration Outdoor Unit SGP E70J2GU2 SGP E90J2GU2 SGP E120J2GU2 SGP E150J2GU2 SGP E190J2GU2 SGP E190J2GU2W hot water dispensing 8 horsepower 10 horsepower 13 horsepower 16 horsepower 20 horsepower ...

Страница 4: ... unit Pipe branch Indoor unit Within 1 meter Shut off valve supplied on site Outdoor unit Pipe branch Indoor unit Outdoor unit Pipe branch Indoor unit Remote control Outdoor unit Pipe branch Indoor unit Remote control Header Note From one header there can be up to 4 branches For 5 or more branches in a header system use 2 3 headers Note After branching from a header a pipe cannot be branched again...

Страница 5: ...g capacity 33 5kW 120 Type Indoor 24 unit system equivalent to 13 HP No of indoor units connected 22 type equivalent to 0 8 hp and above maximum 24 units SGP E120J2GU2 Cooling capacity 35 5 kW Heating capacity 42 5 kW 150 Type Indoor 24 unit system equivalent to 16 HP No of indoor units connected 22 type equivalent to 0 8 hp and above maximum 24 units SGP E150J2GU2 Cooling capacity 45 0 kW Heating...

Страница 6: ...ternal size diagrams 1 70 90 type B 9 2 120 150 190 type B 10 3 190 type hot water intake B 11 4 Electrical wiring diagram B 12 5 Performance characteristics 1 Performance characteristics graph B 13 6 Operating sound characteristics 1 Standard mode B 18 2 Quiet mode B 23 7 Vibration Force 1 Measurement points B 28 2 Vibration force B 28 8 Outdoor control board switch Led layout diagram B 29 B 1 ...

Страница 7: ... 2 Gas Supply Pressure 3 Applicable Gas Type 4 Gas Maximum Flow Volume The gas maximum flow volume is the quantity of gas consumed after start up and operating at full capacity with the gas at 40o C and at 20 mbar pressure G31 95 65 G20 37 78 G25 32 49 1 Conditions for gas use Gas Supply Min Normal Max G20 G25 Natural Gas 17 20 25 G31 LPG 25 37 45 mbar ...

Страница 8: ...e displayed Next press the up S007 down S006 key to set the menu item number to After displaying is displayed When is displayed press the set S005 key The green LED D053 lights up and the system address setting is displayed For example Next operate the down S006 up S007 key to display the gas type setting When the gas type setting is displayed press the set S005 key for longer than one second When...

Страница 9: ...mm 27 rubber hose Operating noise dB A 56 Blower Blower type Propeller fan 1 Rated air volume m3 min 150 Rated output kW 0 45 Heater for drain filter W 20 Heater for cooling water Cooling water heater W 250 Paint color Munsell code Silky shade 1Y8 5 0 5 Heating low temperature Less than 20ºCDB 15ºCWB 27ºCDB 19ºCWB 20ºCDB 2ºCDB 1ºCWB 7ºCDB 1ºCWB 35ºCDB Operating condition Cooling Heating standard I...

Страница 10: ...gas drain port diameter mm 27 rubber hose Operating noise dB A 56 Blower Blower type Propeller fan 1 Rated air volume m3 min 150 Rated output kW 0 45 Heater for drain filter W 20 Heater for cooling water Cooling water heater W 250 Paint color Munsell code Silky shade 1Y8 5 0 5 Heating low temperature Less than 20ºCDB 15ºCWB 27ºCDB 19ºCWB 20ºCDB 2ºCDB 1ºCWB 7ºCDB 1ºCWB 35ºCDB Operating condition Co...

Страница 11: ...port diameter mm 27 rubber hose Operating noise dB A 57 Blower Blower type Propeller fan 2 Rated air volume m3 min 300 Rated output kW 0 45 Heater for drain filter W 60 Heater for cooling waterA Coolingwater heater W 250 Paint color Munsell code Silky shade 1Y8 5 0 5 Heating low temperature Less than 20ºCDB 15ºCWB 27ºCDB 19ºCWB 20ºCDB 2ºCDB 1ºCWB 7ºCDB 1ºCWB 35ºCDB Operating condition Cooling Heat...

Страница 12: ...port diameter mm 27 rubber hose Operating noise dB A 57 Blower Blower type Propeller fan 2 Rated air volume m3 min 300 Rated output kW 0 45 Heater for drain filter W 60 Heater for cooling water Cooling water heater W 250 Paint color Munsell code Silky shade 1Y8 5 0 5 Heating low temperature Less than 20ºCDB 15ºCWB 27ºCDB 19ºCWB 20ºCDB 2ºCDB 1ºCWB 7ºCDB 1ºCWB 35ºCDB Operating condition Cooling Heat...

Страница 13: ...ter intake port Rp 3 4 famale screw Exhaust gas drain port diameter mm 27 rubber hose Operating noise dB A 58 Blower Blower type Propeller fan 2 Rated air volume m3 min 300 Rated output kW 0 45 Heater for drain filter W 60 Heater for cooling water Cooling water heater W 250 Paint color Munsell code Silky shade 1Y8 5 0 5 Heating low temperature Less than 20ºCDB 15ºCWB 27ºCDB 19ºCWB 20ºCDB 2ºCDB 1ºC...

Страница 14: ...h 1060 anchor pitch 1310 frame width 1290 external cladding 1030 suspension holes 1106 frame width 4 φ30 suspension holes 1000 external cladding Inter unit cable port φ28 Electrical power supply port φ28 Exhaust gas drain hose φ27 rubber hose Liquid refrigerant pipe φ12 7 Gas refrigerant pipe Fuel gas port Front View 1 70 90 Type 3 External dimension drawings ...

Страница 15: ...s 1000 anchor pitch 377 1060 anchor pitch 1754 frame width 1735 external cladding 1030 suspension holes 1106 frame width 4 φ30 suspension holes 1000 external cladding Inter unit cable port φ28 Electrical power supply port φ28 Exhaust gas drain hose φ27 rubber hose Liquid refrigerant pipe Gas refrigerant pipe Fuel gas port 2 120 150 190 Type 3 External dimension drawings ...

Страница 16: ...106 frame width 4 φ30 suspension holes 1000 external cladding Liquid refrigerant pipe φ19 05 Gas refrigerant pipe φ38 1 Inter unit cable port φ28 Electrical power supply port φ28 Hot water inlet Rp3 4 Hot water outlet Rp3 4 Exhaust gas drain hose φ27 rubber hose Fuel gas port R3 4 Product number External dimensions drawing Scale SGP E190J2GU2W Free 3 External dimension drawings ...

Страница 17: ...lies 52S Power source device for starting up the starter Engine oil pressure switch Engine Step motor engine governor Cam angle sensor Crank angle sensor No 3 gas column no 4 gas column No 1 gas column no 2 gas column Compressor inlet temperature sensor Compressor outlet temperature sensor Exhaust gas temperature sensor External air temperature sensor Ignition coil 1 4 Fuel gas solenoid valve 1 2 ...

Страница 18: ...Outdoor Unit B 13 1 Performance characteristics graph 170 Type Performance characteristics of SGP E70J2GU2 5 Performance characteristics ...

Страница 19: ...Outdoor Unit B 14 290 Type Performance characteristics of SGP E90J2GU2 5 Performance characteristics ...

Страница 20: ...Outdoor Unit B 15 3120 Type Performance characteristics of SGP E120J2GU2 5 Performance characteristics ...

Страница 21: ...Outdoor Unit B 16 4150 Type Performance characteristics of SGP E150J2GU2 5 Performance characteristics ...

Страница 22: ...Outdoor Unit B 17 5190 Type Performance characteristics of SGP E190J2GU2 5 Performance characteristics ...

Страница 23: ... band level dB Approximately the lower audible limit of sound for continuous operation 0 dB 0 0002 µbar 1 Standard Mode Model name Operating sound level dB A Measurement position SGP E70J2GU2 56 1m from front 1 5m from ground 6 Operating sound characteristics ...

Страница 24: ...z Octave band level dB Approximately the lower audible limit of sound for continuous operation 0 dB 0 0002 µbar Model name Operating sound level dB A Measurement position SGP E90J2GU2 56 1m from front 1 5m from ground 6 Operating sound characteristics ...

Страница 25: ... Octave band level dB Approximately the lower audible limit of sound for continuous operation 0 dB 0 0002 µbar Model name Operating sound level dB A Measurement position SGP E120J2GU2 57 1m from front 1 5m from ground 6 Operating sound characteristics ...

Страница 26: ... Octave band level dB Approximately the lower audible limit of sound for continuous operation 0 dB 0 0002 µbar Model name Operating sound level dB A Measurement position SGP E150J2GU2 57 1m from front 1 5m from ground 6 Operating sound characteristics ...

Страница 27: ... Octave band level dB Approximately the lower audible limit of sound for continuous operation 0 dB 0 0002 µbar Model name Operating sound level dB A Measurement position SGP E190J2GU2 58 1m from front 1 5m from ground 6 Operating sound characteristics ...

Страница 28: ...d level dB Approximately the lower audible limit of sound for continuous operation 0 dB 0 0002 µbar Model name Operating sound level dB A Measurement position SGP E70J2GU2 54 quiet mode 1m from front 1 5m from ground 2 Quiet Mode 6 Operating sound characteristics ...

Страница 29: ...ve band level dB Approximately the lower audible limit of sound for continuous operation 0 dB 0 0002 µbar Model name Operating sound level dB A Measurement position SGP E90J2GU2 54 quiet mode 1m from front 1 5m from ground 6 Operating sound characteristics ...

Страница 30: ...ve band level dB Approximately the lower audible limit of sound for continuous operation 0 dB 0 0002 µbar Model name Operating sound level dB A Measurement position SGP E120J2GU2 55 quiet mode 1m from front 1 5m from ground 6 Operating sound characteristics ...

Страница 31: ...ve band level dB Approximately the lower audible limit of sound for continuous operation 0 dB 0 0002 µbar Model name Operating sound level dB A Measurement position SGP E150J2GU2 55 quiet mode 1m from front 1 5m from ground 6 Operating sound characteristics ...

Страница 32: ...ve band level dB Approximately the lower audible limit of sound for continuous operation 0 dB 0 0002 µbar Model name Operating sound level dB A Measurement position SGP E190J2GU2 56 quiet mode 1m from front 1 5m from ground 6 Operating sound characteristics ...

Страница 33: ...rning D052 Home key S004 Board power source LED D003 green Terminating resistance on off switch S003 All stop switch S001 Indoor outdoor communication monitor D043 7 segment LED ICO21 ICO22 8 Outdoor control board switch LED layout diagram Fuel solenoid valve forced off switch S002 ...

Страница 34: ...160 200 250 315 76 74 107 15 139 64 334 97 358 92 147 91 164 06 197 24 149 62 107 15 43 15 638 26 37 7 40 6 42 9 50 5 51 1 43 4 44 3 45 9 43 5 40 6 32 7 56 1 31 3 30 0 47 5 26 7 29 7 40 9 21 9 21 4 26 0 24 9 24 3 50 8 F Vibration force N F 0 1N F Vibration force N F 0 1N Frequency Hz Vibration forceF N Vibration force level 20 Log10 Vibration acceleration dB F F0 Frequency Hz Vibration forceF N Vi...

Страница 35: ...Conyrol Contents 1 Operation control 1 Control characteristics C 2 2 System block diagram 1 70 90 120 150 190 Type C 6 3 Table of remote control warnings C 7 C 1 ...

Страница 36: ...itial setting value of a The setting of the a value can be changed with wired remote control For further details refer to the wired remote control setting items When using the remote control thermostat regardless of the setting a 0 Body sensor Remote control sensor Setting temperature Body sensor Remote control sensor Thermostat signal Body sensor Remote control sensor Setting temperature Body sen...

Страница 37: ...Control C 3 2 Thermostat ON point temperature difference 0 temperature difference Thermostat OFF point Switching point Switching from heating to cooling mode 1 Operation control ...

Страница 38: ...is fixed at 120 steps Set to 1 10 steps by fuzzy control depending upon the temperature difference between the indoor intake and the outlet coil Proportional control depending upon the temperature difference between the setting value and actual value of the indoor intake and outlet coil The electronic valve is adjusted when the intake temperature is near the setting temperature so that the outlet ...

Страница 39: ... of the indoor unit Proportional control depending upon the outlet temperature Indoor unit address No 1 unit No 2 unit No 3 unit No 4 unit No 5 unit No 6 unit No 7 unit No 8 unit Order of priority setting for the indoor unit 4 3 3 2 2 1 1 0 Thermostat condition ON ON ON OFF OFF OFF OFF OFF 1 Operation control ...

Страница 40: ...20 150 190 Hot water outlet temp Starter motor current Crank angle sensor Cam angle sensor Engine hydraulic SW Oil float SW H level Oil float SW L level Cold Water float SW Fuel gas L pressure SW N P check SW Key SWs 4 Slide Sws 3 Unit Control Line Refrigerant H pressure SW Power supply POW RAY 7 segment LED output 6 digits LED output 4 Crank case heater 4 way valve Fuel gas valve 1 Engine oil sup...

Страница 41: ...at exchanger interim temperature sensor abnormality Indoor heat exchanger outlet temperature sensor abnormality Indoor unit intake temperature sensor abnormality Indoor unit blow out temperature sensor abnormality Abnormality in the outdoor sensor system Compressor outlet temperature sensor abnormality Outdoor heat exchanger inlet temperature sensor abnormality Outdoor heat exchanger outlet temper...

Страница 42: ...tion High compressor discharge temperature Refrigerant high pressure switch operation Outdoor protection device Power supply abnormality Complete refrigerant gas depletion High refrigerant pressure abnormality Outdoor blower abnormality Group control abnormality Engine oil change time displayed on remote control system controller Outdoor display oiL Outdoor control board abnormality A01 A02 A03 A0...

Страница 43: ...rature sensor abnormality Cold and hot water inlet sensor abnormality Cold and hot water outlet sensor abnormality Compressor outlet temperature sensor abnormality Sensor system abnormality on the outdoor unit side Outdoor heat exchanger inlet temperature sensor abnormality Outdoor heat exchanger outlet temperature sensor abnormality External air temperature sensor abnormality Compressor inlet tem...

Страница 44: ...pressor discharge temperature Refrigerant high pressure switch operation Outdoor protection device Power source reversed phase open phase Freeze prevention abnormality O2 sensor operation Complete refrigerant gas depletion 4 way lock abnormality High refrigerant pressure abnormality Outdoor blower inverter abnormality Interlock abnormality Engine oil change time displayed on TECS610 RCS SW15GX Out...

Страница 45: ...nstallation criterion D 21 6 Sound proofing measure 1 Installation location and sound proofing measures D 23 2 Attenuation of sound through dstance D 23 3 Sound level attenuation through a noise barrier D 24 4 Additional sound from reflection D 25 5 Combining sounds D 25 6 Converting to overall A characteristics from octave band levels D 26 7 Designing sound proofing countermeasures D 26 8 Sound p...

Страница 46: ... system with the outdoor unit Calculate the additional charge amount from the diameter and length of the refrigerant pipe on the piping system drawing Check the minimum indoor capacity and floor area density limit for the refrigerant quantity If the density limit is exceeded then re consider the ventilation equipment etc Design the pipe layout so that the additional refrigerant charge amount is as...

Страница 47: ...ide 20o CDB outdoor side 7o CDB 6o CWB 3 Read the rated cooling capacity of the applicable indoor unit from the indoor unit specification table 4 Read the rated heating capacity of the applicable indoor unit from the indoor unit specification table 5 Read the rated cooling capacity of the applicable indoor unit from the indoor unit specification table and obtain the total for all units 6 Read the ...

Страница 48: ...ng capacity of the indoor units is 20 0 1 9 2 4 3 1 4 8 7 6 kW Indoor unit heating performance 2 Rated heating capacity of the outdoor unit 26 5 kW 4 Indoor units rated heating capacity Type 28 3 4kW type 36 4 2kW type 45 5 3kW type 71 8 5kW type 112 13 2kW 6 Total rated heating capacity of the indoor units 34 6 kW 3 4 4 2 5 3 8 5 13 2 34 6 7 From the performance table the correction factor for te...

Страница 49: ...Design D 5 2 Operating temperature ranges for heating and cooling Cooling Heating ...

Страница 50: ...t refrigeration system Table 1 1 Up to 24 indoor units with a total capacity in the range 50 200 of the capacity of the outdoor units can be connected for the type 70 unit as 21 type 22 units the smallest capacity indoor unit comes out to 462 and exceeds 200 the maximum no of units that can be connected is 21 2 The minimum piping length from the outdoor unit to an indoor unit is 7m 3 If operating ...

Страница 51: ...25 4 19 05 15 88 12 7 90 type Liquid 12 7 12 7 9 52 9 52 12 7 9 52 9 52 9 52 Gas 31 75 31 75 28 58 19 05 15 88 28 58 25 4 19 05 15 88 12 7 120 type Liquid 15 88 15 88 12 7 9 52 9 52 12 7 12 7 9 52 9 52 9 52 Gas 31 75 31 75 28 58 19 05 15 88 28 58 25 4 19 05 15 88 12 7 150 type Liquid 19 05 19 05 15 88 12 7 9 52 9 52 12 7 12 7 9 52 9 52 9 52 Gas 38 1 38 1 31 75 28 58 19 05 15 88 28 58 25 4 19 05 15...

Страница 52: ... piping set Select the header piping set from the following table For details see the separately sold items section Branch piping part number Allowable pipe capacity after branch kW 70 90 type 120 150 190 type 28 1 and over SGP PCH560F 28 0 16 1 APR CHXJ280S APR CHXJ280S SGP PCH560F 16 0 and less APR CHXJ140S APR CHXJ140S Outdoor unit Header piping part number 70 90 type SGP HCH280F 120 150 190 ty...

Страница 53: ...4 d 2 5 5 9 d 9 2 d 12 3 d 3 0 5 7 d 9 0 d 12 0 d 3 5 5 9 d 9 2 d 12 2 d 4 0 6 4 d 10 0 d 13 4 d 4 5 7 1 d 11 0 d 14 8 d 4 Effective length of refrigerant piping The effective straight length of the connectors used in the piping system is given in the table below The piping system design should be based upon this Effective straight length of connectors Table 3 Effective straight length of bent pip...

Страница 54: ...valves and operate the system heating or cooling does not matter Then while the system is operating fill the refrigerant from the low pressure side making sure to adjust close down the valve on the cylinder so that the liquid refrigerant is gasified as it is sucked into the system do this during commissioning operations After the charging operation is completed fully open all valves 280 a 195 b 12...

Страница 55: ...tdoor unit type It is recommended that the outdoor unit is positioned 2m or higher from the floor 3Restrictions on pipe connections within living quarters Pipe connections must conform to JIS B 8607 flare type and brazed type fittings for refrigerants and after being properly installed and completed they must be tested for gas tightness 4Combination with ventilation system a A mechanical ventilati...

Страница 56: ...m volume 2 3 In the shaded region it is necessary to make the room bigger by removing a door separating the room from the adjoining room for example or make the outdoor unit smaller For example consider a 20 HP outdoor unit and a 16 5m Q 2 7mH room with one 1 HP indoor unit installed After filling with an additional 18kg of refrigerant the total quantity of refrigerant becomes 14 5 18 32 5 kg 32 5...

Страница 57: ...of the indoor unit side Figure 1 1 In order to prevent oil from being drawn inside reverse the slope on the pipe 2 Place the ball valve as near as possible to the main piping within 40cm 3 If the diameter of the ball valve is smaller than the main piping then reduce the diameter with a reducer Only install the reducer at this point 4 Select a position where operations are easy and where at a later...

Страница 58: ...Indoor unit Indoor unit Indoor unit Indoor unit Outdoor unit Outdoor unit Outdoor unit Outdoor unit Capability change rate Capability change rate Difference between high low positions m Difference between high low positions m 4 Capability change rate due to refrigerant pipe length ...

Страница 59: ...door units in a combined installation In installations with seven or fewer outdoor units but in the surroundings there are walls that might prevent the circulation of air 2Conditions for a combined installation In order to secure the necessary air flow the following two conditions must both be satisfied in a combined installation The space between outdoor units and rows of outdoor units must be we...

Страница 60: ...ows Calc row length LN installation ext dim LM Is the air flowfrom the surroundings sufficient Correct cooling capability END Increase the opening in the walls Decrease the height of the wall Increase the distance from the wall to the unit No Yes Yes No Refer to 1 Increase distance from wall to outdoor unit 5 Refer to 1 5 Refer to 1 5 Refer to 1 8 to Outdoor unit installation condition 4Combined i...

Страница 61: ...n parameters 2 Calculation of the average distance between units La and the distance between rows Lu Here provisionally La will be selected from Table 4 and next Lu calculated If La is large Lu becomes small and if La is small Lu becomes large However the minimum maintenance space between units and rows shown in Table 4 must be maintained a Provisional determination of La There are 3 patterns for ...

Страница 62: ...the passage area Sa m2 For an installation on concrete foundation Sa UH H La 0 25La2 2 N 1 For a cat walk installation Sa UH H La 0 25La2 2 N 1 2N UW HU 2M UD HU here air flow to a cat walk is obstructed by a wall Calculation of the distance between rows ku For a concrete foundation installation For a cat walk installation S Q N M 1 90 5 Criteria for positioning the outdoor unit ...

Страница 63: ...door units in a combined installation is obtained from the following formula This Sr is the minimum area needed so that there is no obstruction to operation of the system Sr Σ US1 NT1 here Sr necessary draw in area m2 US1 necessary draw in area per unit m2 see the table below NT1 total number of units in the installation refer to 5 Note When a blow out duct is used in order that the exhaust gas fr...

Страница 64: ...calculated for each wall calculate the effective flow in length Le1 2 3 4 m Calculate the effective length form each boundary surface wall surface to the nearest unit Lwei m Calculate the effective flow in length of each wall Le1 2 3 4 m c Calculate the effective flow in area Using the effective flow in height Hwe1 2 3 4 for each wall and the effective flow in length Le1 2 3 4 calculated above obt...

Страница 65: ...cs for that model type 2 Verandah installation criterion If an outdoor unit is installed on a verandah where it is surrounded by walls on 5 sides it is necessary to design the layout taking short circuits and maintenance space into mind For installation on each floor of a building is evaluated in the same way in accordance with the criteria 1Design points 1 Do not allow the exhaust air from an out...

Страница 66: ...on each story For installation on each floor in order that the outdoor unit on one floor will not intake the exhaust air from the floor below a horizontal separation of 5m should be provided as shown in Figure 3 5When the static pressure on the duct exceeds 10Pa use a high static pressure specification duct by special order However the static pressure on even a high pressure specification item sho...

Страница 67: ...s When there is no suitable installation location and it is necessary to install in a narrow location where there are other houses offices or buildings nearby it is necessary to provide walls sound absorption chambers or other secondary sound proofing measures Secondary sound proofing measures include Attenuation through distance Sound proofing with a noise barrier Sound proofing using a sound abs...

Страница 68: ...oor unit When bent longer than this line Several times the barrier height Sound barrier Outdoor Sound reception point ٨ Sound path difference m Refraction attenuation phon Sound source Reception point The barrier should be positioned as close as possible to the outdoor unit sound source Figure 3 take care to ensure air intake and exhaust space and service and maintenance space The barrier should b...

Страница 69: ... from multiple outdoor units This is the procedure for calculating the sound level however it is easier to use graphs so graphs have been prepared for this purpose Calculation example 1 Combine L1 62 dB and L2 61 dB L1 L2 62 61 1 dB From Figure 5 the correction value is 2 5 dB 62 2 5 64 5 dB Therefore the combined sound level is 64 5 dB Calculation example 2 To combine 60 dB 64 dB 63 dB and 65 dB ...

Страница 70: ...ollowing is a calculation for operating sound level These A characteristic values are combined one by one in order of magnitude same as combining operating sound 7 Designing sound proofing countermeasures Calculation example In the installation of the figure on the right a scheme for sound proofing operation sound with respect to the reception point is required Firstly the operating sound of the o...

Страница 71: ...25 250 500 1000 2000 4000 8000 From the operating sound characteristics diagram in the outdoor unit manual 1 outdoor unit operation sound dB Distance attenuation 2 distance attenuation dB Distance attenuation value Refraction attenuation sound path difference d A B d δ 3 Refraction attenuation dB Additional sound due to reflections wall 4 Additional sound due to reflection wall surface dB By calcu...

Страница 72: ...es to normal building services 3 Equipment with earthquake resistant supports is equipment provided with earthquake resistant stoppers to prevent amplification of shaking due to resonance In this case a shock absorbing material is placed between the stopper and the equipment so that the earthquake resistant stoppers are not damaged or deformed by impact Notes 1 Small scale repairs are repairs that...

Страница 73: ...ing Notes 1 The values in the above table have been derived from Steel structures design criteria published by the Architects Institute of Japan 2 If it is necessary to investigate the bolt tensile stress then the value ft in the table should be used 3 A check on the strength of a bolt subject to simultaneous tension and shear is carried out as follows a τ fs b σ the smallest of ft and fts however...

Страница 74: ...fers then the pull out load may be calculated in accordance with the formulae for bolts on a strong foundation on the left However the allowable pull out strength of one bolt may not exceed 11 760N 4 It is desirable that L 6d The parts indicated by in the above table are not desirable 5 In the above diagram is 4 5d for a JIS bolt 6 If type 1 or type 2 lightweight concrete is used allow 10 margin N...

Страница 75: ... 6π C 2 p b Here C Distance from the center of the foundation bolt to the edge of the foundation mm However C 4d and p Correction factor for the concrete design characteristic strength Notes It is desirable that L 6d d nominal diameter of foundation bolt If type 1 or type 2 lightweight concrete is used allow 10 margin Installation location a Solid foundations b Upper surface of normal floor slab c...

Страница 76: ...w 1 for L C h Ta 6π C 2 p b 2 for L C h Ta 6π C 2 p c Here C Distance form bolt center to edge of foundation mm However L B C and h Foundation plinth height mm Notes 1 It is desirable that L 6d d nominal diameter of foundation bolt 2 B in the above diagram shall be greater than the length of the JIS hexagonal head bolt head 3 If type 1 or type 2 lightweight concrete is used allow 10 margin Install...

Страница 77: ...ufficiently roughened For foundation bolts positioned in the corner or near the edge of the foundation the short term allowable pull out strength shall be taken to be either of the values from formulae c and d or e and f 1 for Fc 1 Fc 2 L h 2 for Fc 1 Fc 2 L h 3 for Fc 1 Fc 2 L h 4 for Fc 1 Fc 2 L h Here h Foundation plinth height mm A External dimension of the box out foundation bolt mm Notes 1 I...

Страница 78: ...positioned in the corner or near the edge of the foundation the short term allowable pull out strength shall be taken to be either of the values from formulae c and d or e and f 1 for Fc 1 Fc 2 L h 2 for Fc 1 Fc 2 L h 3 for Fc 1 Fc 2 L h 4 for Fc 1 Fc 2 L h Here h Foundation plinth height mm A External dimension of the box out foundation bolt mm Notes 1 It is desirable that L 6d d nominal diameter...

Страница 79: ...ype 2 lightweight concrete is used allow 10 margin Installation location a Solid foundations b Upper surface of normal floor slab c Bottom surface of normal ceiling slab concrete wall surface Notes 1 The above table shows the short term allowable pull out load for resin anchor bolts when embedded in for the length shown in the above table and in a drilled hole of the diameter shown above 2 The con...

Страница 80: ... from the center of the foundation bolt to the edge of the foundation mm However C 4d Note 1 If type 1 or type 2 lightweight concrete is used allow 10 margin Installation location a Solid foundations b Upper surface of normal floor slab c Bottom surface of normal ceiling slab concrete wall surface Notes 1 The above table shows the short term allowable pull out load for foundation bolts when embedd...

Страница 81: ... 360 1 160 120 or more 1 810 1 160 120 or more Positioning on a roof 1 750 1 750 120 or more 1 850 1 850 140 or more Positioning on an earthquake resistant stand on the roof 1 850 1 850 120 or more 2 000 2 000 140 or more Note The foundation is a solid foundation or directly placed on a floor slab type Size and type of anchor bolts The anchor bolts are all M12 The types are embedded L type LA type...

Страница 82: ...2㩷㩷 current models have 2 bolts The installation method is embedded J type JA type bolts on a slab 12cm thick Foundation bolt allowable short term tensile load Ta Ta 㩷 11 760㩷 N It is also acceptable to decide the installation method after completing the calculation Calculation Design horizontal magnitude KH KH 㩷 1 0㩷㩷 installation location KH on roof 1 0 㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷 ...

Страница 83: ...ort direction 1 1 㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷 14 3㩷㩷 N mm2 Long direction 2 2 㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷 13 0 㩷 N mm2 Allowable tensile stress in a bolt subject to simultaneous tensile and shear stress fts fts 1 4 ft 1 6 㩷 221 4㩷 N mm2 Judgment Tensile load Short direction䋺if Rb1 Ta OK Rb1 㩷 1 614 㩷㩷 Ta 11 760 Long direction䋺if Rb2 Ta OK Rb2 㩷 1 473 㩷㩷 Ta 11 760 Shear stress if fs 㩷 OK 㩷 15 6㩷㩷 fs 㩷 99 T...

Страница 84: ...mm2 1 fts N mm2 Rb2 N Rb2 Ta N bolt FH N A N mm2 fs 132 0 75N mm2 1 Rb2 A N mm2 2 ft 176N mm2 fts 1 4ft 1 6 N mm2 2 fts N mm2 Judgment OK NG OK NG Calculation formulae Pull out load Rb Pull out load N short direction Rb1 long direction Rb2 Rb l Bolt span mm short direction l1 long direction l2 n No of bolts short direction n1 long direction n2 lG Distance to CofG mm short direction lG1 long direct...

Страница 85: ...s 132 0 75N mm2 1 Rb1 A N mm2 1 ft 176N mm2 fts 1 4ft 1 6 N mm2 1 fts N mm2 Rb2 N Rb2 Ta N bolt FH N A N mm2 fs 132 0 75N mm2 1 Rb2 A N mm2 2 ft 176N mm2 fts 1 4ft 1 6 N mm2 2 fts N mm2 Judgment OK NG OK NG Calculation formulae Pull out load Rb Pull out load N short direction Rb1 long direction Rb2 Rb l Bolt span mm short direction l1 long direction l2 n No of bolts short direction n1 long directi...

Страница 86: ...opted this is not always effective against corrosion The following points regarding installation and maintenance should be carefully considered 1 The equipment should be installed on the downwind side of the building 2 If it is unavoidable that the equipment is installed on the coast side of the building then a wind shield should be provided in order to protect the equipment from direct sea wind 3...

Страница 87: ...Design D 43 8 Salt resistant specification ...

Страница 88: ... E 6 2 Points regarding the electrical construction outdoor unit 1 Cable thickness and fitting capacities E 7 2 Electrical cabling system diagram E 7 3 Cautions regarding electrical construction E 8 3 Points regarding the electrical construction indoor unit 1 Cable thickness and fitting capacities E 9 2 Cautions regarding electrical construction E 13 3 Electrical cabling system diagram E 14 4 Inst...

Страница 89: ...ign matter inside the pipe branch The pipe branch can be used horizontally or vertically either pointing up or pointing down 1 Points regarding branch piping construction Cut the component with a pipe cutter at the size position corresponding to size of the on site piping selected based upon the total capacity of the indoor units If the end size is the same as the on site pipe size then it is not ...

Страница 90: ... reducer packaged with the unit is used it should be brazed on site Note Cut the component so as not to distort the pipe The connecting pipe may not be able to be inserted Refer to the installation construction manual supplied with the outdoor unit for details of selecting the pipe size The cut should be made as far away from the internal dowel as possible After cutting remove all burrs and finish...

Страница 91: ...e should be taken when using vertically Horizontal use Vertical use 1Horizontal pointing to the side 2Horizontal pointing up Slant at 15 30 On the branch on the indoor unit side bring the pipe up as shown in the diagram below then resume horizontally Cut the branch pipe of the header to suit the size of the refrigerant pipe on the indoor unit side If three indoor units are being used cut and conne...

Страница 92: ...l insulation heat resistant to greater than 120 Operation cable Thermal insulation Gas pipe side thick pipe Liquid pipe side thin pipe Ornamental tape to prevent rain and water access 3Select the gas pipe thick pipe liquid pipe thin pipe branches separately sold and make necessary preparations for installation After cutting the pipe remove all burrs and correctly finish the ends similarly for sepa...

Страница 93: ...o the service ports on both the gas pipe thick pipe and the liquid pipe thin pipe sides connect the nitrogen and vacuum pump as shown in Fig 6 Raise the pressure to the testing level of 3 0MPa with nitrogen and check for leaks Leakage of refrigerant can be the cause of accidents due to lack of oxygen Caution After completing the gas tightness test evacuate the indoor unit and the piping down to 66...

Страница 94: ... that the general power source cannot be located where indoor unit is installed For the selection of the earth leakage breaker a delay type is recommended for protection coordination Cable type CVV JIS C3401 Vinyl insulated vinyl sheath cable for control VCTF JIS C3306 Vinyl cabtire round cord VCT JIS C3312 600V vinyl cabtire cable VVR JIS C3342 Round vinyl insulated vinyl sheath cable MVVS or CPE...

Страница 95: ...nterphone personal computer word processor and telephone including antenna operation and power cables This can cause noise and other undesirable effects 1cautions regarding safety Electrical installation should be entrusted to the dealer where this product was purchased or a professional contractor Incomplete electrical installations carried out by yourself can result in defects electric shocks or...

Страница 96: ...ge drop standard 2 Up to 100m length 2mm 2 2mm 2 2mm 2 2mm 2 3 5mm 2 2mm 2 Earth cable size 2mm2 Indoor outdoor operation cable 0 5mm2 2mm2 total length up to 1000ｍ Remote control cable size 0 5mm2 2mm2 total length up to 500ｍ The value within for the minimum cable size is the maximum length For remote control cable use separately sold item exposed type 2 Embedded in the ceiling high static pressu...

Страница 97: ...ing high static pressure type without direct expansion coil air processing unit a Bus cabling 10m respectively b Bus cabling 15m respectively The value inside for the minimum cable size is the maximum length m 3 Points regarding electrical construction indoor unit ...

Страница 98: ...n that is separate from the outdoor units When the indoor unit power supply is from a bus system the power cabling system should be grouped according to the refrigerant piping system The number of indoor units in one power supply system is limited by the capacity of the cabling Please note that the terminal board capacity and the maximum cable size that can be connected are as shown in the table b...

Страница 99: ...within for the minimum cable size is the maximum length m If the power to one indoor unit is not switched on then other indoor units will sound a warning Therefore indoor units should take the power from one location that is separate from the outdoor unit When the indoor unit power supply is from a bus system the power cabling system should be grouped according to the refrigeration piping system T...

Страница 100: ...then this can result in heat generation and cause fires If a refrigerant gas leak should occur during construction work ventilate the area If refrigerant gas comes in contact with fire then poisonous gas is generated For separately sold air purifiers and humidifiers be sure to use products specified by the company Also installation should be carried out by a specialist contractor If a defect occur...

Страница 101: ... refrigeration system If this cannot be done then use the bus system or the relay at a pull box Also power cabling for outdoor units should be separate for each outdoor unit Note 2 The signal cable from the centralized control device should be connected to be the same signal cable as the indoor outdoor operation cable no polarity Note 3 The maximum number of units that can be connected to the same...

Страница 102: ... board for the indoor outdoor operation cable and terminal board for the remote control cable are not connected to 230V AC If they are mistakenly connected to 230V AC then the fuse on the indoor unit board F3 0 5A will blow in order to protect the board After the cabling has been amended remove the 2P connector blue OC CN40 connected to the board and replace it with a 2P connector brown EMG CN44 T...

Страница 103: ...re is no mistakes in the cabling Mistaken cabling will cause a breakdown Cabling procedure Carry out the cabling according to the following procedure 1 Connect the remote control to the remote control terminal board 1 2 of the group indoor unit 1 2 Connect 1 2 of the remote control terminal of group indoor unit 1 to 1 2 of the remote control terminal of group indoor unit 2 using a 2 wire bus syste...

Страница 104: ...dress switch on the back of the remote control switch board of the other remote control the child remote control from OFF to ON In this condition it will operate as a child remote control The child remote control will operate even if it is connected to indoor unit 2 or indoor unit 3 3 Points regarding electrical construction indoor unit ...

Страница 105: ...rol device 2Ceiling embedded high static pressure type DR76 96 type Cabling method Power cabling to the indoor units should be separate for each indoor unit 1 1 or 1 2 combinations without using a centralized control device E70 type and DR76 type E90 type and DR96 type E150 type and DR76 type 2 units E190 type and DR96 type 2 units When using a centralized control device in conjunction with other ...

Страница 106: ...cabling for the indoor units should be carried out for each separate refrigeration system If this cannot be done then use the bus system or the relay at a pull box Also power cabling for outdoor units should be separate for each outdoor unit Note 2 The signal cable from the centralized control device should be connected to be the same signal cable as the indoor outdoor operation cable no polarity ...

Страница 107: ...and terminal board for the remote control cable are not connected to 230V AC If they are mistakenly connected to 230V AC then the fuse on the indoor unit board F3 0 5A will blow in order to protect the board After the cabling has been amended remove the 2P connector blue OC CN40 connected to the board and replace it with a 2P connector brown EMG CN44 This operation must be done after first turning...

Страница 108: ...n Cabling procedure Carry out the cabling according to the following procedure 1 Connect the remote control to the remote control terminal board 1 2 of the group indoor unit 1 2 Connect 1 2 of the remote control terminal of group indoor unit 1 to 1 2 of the remote control terminal of group indoor unit 2 using a 2 wire bus system Next from indoor unit 2 connect to the remote control terminal board ...

Страница 109: ...Construction E 22 4 Outdoor unit installation and construction ...

Страница 110: ...Construction E 23 4 Outdoor unit installation and construction ...

Страница 111: ...Construction E 24 4 Outdoor unit installation and construction ...

Страница 112: ...Construction E 25 4 Outdoor unit installation and construction ...

Страница 113: ...Construction E 26 4 Outdoor unit installation and construction ...

Страница 114: ...Construction E 27 4 Outdoor unit installation and construction ...

Страница 115: ...Construction E 28 4 Outdoor unit installation and construction ...

Страница 116: ...Construction E 29 4 Outdoor unit installation and construction ...

Страница 117: ...Construction E 30 4 Outdoor unit installation and construction ...

Страница 118: ...Construction E 31 4 Outdoor unit installation and construction ...

Страница 119: ...Construction E 32 4 Outdoor unit installation and construction ...

Страница 120: ...Construction E 33 4 Outdoor unit installation and construction ...

Страница 121: ...Construction E 34 4 Outdoor unit installation and construction ...

Страница 122: ...Construction E 35 4 Outdoor unit installation and construction ...

Страница 123: ...Construction E 36 4 Outdoor unit installation and construction ...

Страница 124: ...Construction E 37 4 Outdoor unit installation and construction ...

Страница 125: ...is is necessary for checking the operation condition and for maintenance Install a water temperature gage and flow rate adjustment valve on the water piping so that during test run the flow rate can be adjusted while observing the water temperature Install an appropriate pipe support on the hot water outlet pipe so that an excessive load is not imposed on the outdoor unit Hot water pipe cleaning a...

Страница 126: ...act point closed when stopped contact point open Maximum contact point capacity AC200V 3A cosθ 0 4 2For electrical cable construction refer to Electrical cabling system diagram Fig 2 and the electrical circuit attached to the outdoor unit TQYP TQYP QPVCEV RQKPV QWVRWV HQT GZVGTPCN RWOR KIWTG KIWTG NGEVTKECN YKTKPI U UVGO FKCITCO 1WVFQQT WPKV 6 2 VGTOKPCN DQCTF ZVGTPCN RWOR NGEVTQOCIPGVKE EQPVCEVQT...

Страница 127: ...Construction E 40 5 Commissioning ...

Страница 128: ...Construction E 41 5 Commissioning ...

Страница 129: ...Construction E 42 5 Commissioning ...

Страница 130: ...Construction E 43 5 Commissioning ...

Страница 131: ...Construction E 44 5 Commissioning ...

Страница 132: ...Construction E 45 5 Commissioning ...

Страница 133: ...Construction E 46 5 Commissioning ...

Страница 134: ...Construction E 47 5 Commissioning ...

Страница 135: ...Construction E 48 5 Commissioning ...

Страница 136: ...Construction E 49 5 Commissioning ...

Страница 137: ...Construction E 50 5 Commissioning ...

Страница 138: ...Construction E 51 5 Commissioning ...

Страница 139: ...Construction E 52 5 Commissioning ...

Страница 140: ...Construction E 53 5 Commissioning ...

Страница 141: ...Construction E 54 5 Commissioning ...

Страница 142: ...Construction E 55 5 Commissioning ...

Страница 143: ...Separately Contents 1 Parts for the outdoor unit 1 Exhaust extension kit F 2 F 1 ...

Страница 144: ... and verify each component 2 Use a seal material The seal material is to be supplied on site Use Shinetsu Chemicals RTV KE45 or equivalent 7 Remove the two screws securing the existing exhaust gas pipe on the top of the outdoor unit 8 Place component A on the top of the existing exhaust gas pipe Apply some seal material to the tips of the two screws removed above and connect component A together w...

Страница 145: ...lled and correct the condition of the seal material at the bottom of stopper 13 Be sure to install the exhaust gas top on the end of the exhaust gas pipe 14 Insert the exhaust gas top onto the ONJ pipe until the warning mark red line on the male connector becomes hidden Refer to figure 6 15 After connecting rotate the alignment mark on the female connector through approx 30 to prevent it from bein...

Страница 146: ...dy of the unit to the external wall or other suitable location using installation fittings every 1 5 2 0m 3 The limiting distance from the final securing location to the end of the exhaust gas extension pipe shall be 500mm or less Refer to Figure 7 Fig 7 Separation distance of the exhaust gas pipe The separation distance mm of the exhaust gas pipe from building parts with finishes made from flamma...

Страница 147: ...essary 3 For other cases the exhaust gas extension must be secured using installation fittings bolts screws of the top plate of the unit etc 4 For an example see Figure 7 Cautions regarding installing the blow out extension duct 1 If a blow out extension duct is installed there are occasions when it is difficult to use installation fittings etc because of the shape to the duct On those occasions u...

Страница 148: ...Periodic Contents 1 Periodic maintenance contract 1 Commissioning G 2 2 Guarantee period G 2 3 Periodic inspection items outside the guarantee period G 2 2 Periodically replaced components G 3 G 1 ...

Страница 149: ...nspection contract charge Note If dust and dirt get into the fan of the outdoor unit heat exchanger this will result in reduced performance or breakdown Therefore it is recommended that you consult with the dealer where the system was purchased or with a specialist service company and have the heat exchangers cleaned A charge will be made for this service 2 Guarantee period One year from the day o...

Страница 150: ...Periodicinspection G 3 1 Periodic maintenance contract 70 90 Type 120 150 190 Type ...

Страница 151: ... H 12 2 External terminal input specification H 13 3 Electrical cabling diagram H 14 4 Abnormality display H 15 5 Remote control capability list H 16 6 Installation construction 1 Installation construction H 17 2 Refrigerant piping construction H 19 3 Water piping construction H 20 4 Drain piping construction H 21 7 Points regarding electrical construction 1 Cable Capacity H 22 2 Electrical cablin...

Страница 152: ...configuration 1 Combination of water heat exchanger unit and outdoor unit Water heat exchanger unit is connected 1 1 to outdoor unit 2 Construction points diagram Outdoor unit water heat exchanger unit remote control power cable signal cable ...

Страница 153: ... the same as for the multi system for buildings Water heat exchanger temperature range cooling temperature range 5 15o C and when brine is being used 15 5 heating temperature range 35 55o C Control equipment Link wiring and multi cannot be mixed Automatic addressing is not possible Remote controls are all separately purchased items ...

Страница 154: ...Water heat exchange unit H 4 2 System characteristics Water heat exchanger unit connection limitations ...

Страница 155: ...Water heat exchange unit H 5 3 External view ...

Страница 156: ...e of specification values 1Water heat exchanger unit The cooling and heating capacities are for operation in accordance with JIS B 8613 The value in the heating capacity cold region column is for combination with a cold region specification outdoor unit ...

Страница 157: ...ion Push button Stop Push button Change from heating to cooling Seesaw switch Operation ON during operation Abnormal ON during an abnormality Display lamp Oil warning ON during an oil level warning ON during an oil change time warning 2Remote control switch RCS WH500G Separately sold item ...

Страница 158: ...Water heat exchange unit H 8 4 Specification 2 External dimension diagram ...

Страница 159: ...oling if the cold water outlet temperature is less than 5o C brine at a specified temperature must be used 2 When starting cooling even if the cold water outlet temperature is somewhat above15o C the system can operate At the start of heating even if the hot water outlet temperature is lower than 35o C the system can operate ...

Страница 160: ...Water heat exchange unit H 10 4 Specification 4 Power characteristics 1Performance characteristics graph ...

Страница 161: ...Water heat exchange unit H 11 4 Specification ...

Страница 162: ...electric valve Controller board Controller board Serial communication 20 No LED output Oil float switch H level Oil float switch L level Bypass valve Expansion valve Liquid valve Four way valve Fuel gas valve 1 Fuel gas valve 2 Crank case heater Neutralizer heater Cooling water pump Inverter Fan motor 1 Fan motor 2 Engine oil supply pump Solenoid valve 1 for oil supply Solenoid valve 2 for oil sup...

Страница 163: ...utput monitor LE1 Relay output monitor LE2 Relay output monitor LE3 Relay output monitor LE4 Relay output monitor LE5 Remote control output monitor LE18 Remote control output monitor LE19 Remote control output monitor LE20 Special switch SW8 Communication address switch SW6 Parallel switch SW7 Hot water temperature setting switch SW4 5 Cold water temperature setting switch SW2 3 Setting switch SW1...

Страница 164: ...te White White Black Black Black Black Black Brown Green Blue Blue Blue Blue Red Red Red Red Brown Brown Brown Brown Red Red Pink Yellow Yellow Yellow Yellow Brown Brown Blue Blue Grey Grey Grey Grey Violet Violet Orange Orange Black Black Red Red White White Yellow Yellow Grey Orange Black Red Yellow Grey Orange Black Red Yellow Grey Orange Black Red Yellow Grey Orange Black Red Yellow Black Blac...

Страница 165: ...ed to the device for 3 minutes Faulty reception from the outdoor side by the water heat exchanger unit E04 Detection method There has been no communications addressed to the device for 3 minutes Faulty transmission to the outdoor side from the water heat exchanger unit E05 Detection method The device cannot read it s own transmissions for 3 minutes Duplication of indoor unit address forbidden link...

Страница 166: ...h be used at the same time Connection method Parent child timer Shift operation External input External output 8 wire 1 Can be set at 1oC intervals from the rotary SW on the control board of the water heat exchanger unit Remote control type control MAX Start stop Change cooling he ating Warning display Setting temperature Unit number control Rotation RCS WH500G 1 unit Lamp 1 ...

Страница 167: ...ower supply for gas heat pump air conditioners and be certain to provide a dedicated power circuit If the power circuit has insufficient capacity or if there is a defect in the electrical construction then this can result in an electric shock or cause fires If the water heat exchanger unit is installed in an equipment room or similar then it must be designed so that if there is a refrigerant leak ...

Страница 168: ...it in a location where drainage water can be easily managed If there is a defect then this could result in water leaks leaks into property etc The drain pipes that pass indoors should be as short as possible The drain pipes that pass indoors must be insulated Make sure that the drain water does not cause trouble for the neighboring building Check that the unit is horizontal with a level If the uni...

Страница 169: ... test by means of an air purge Figure 5 It is a legal obligation to carry out a leak test in accordance with the High Pressure Gas Safety Law Therefore after connecting the pipes carry out the test in accordance with the points below to confirm that there are no leaks from the joints Subsequently fill in the form inside the outdoor unit details of high pressure gas manufacturing facility etc Press...

Страница 170: ...frequently or to breakdown 6 Provide a water thermometer and flow rate adjustment valve so that during test running it is possible to adjust the cold hot water flow rate while watching the water temperature Also after adjusting do not touch the adjustment valve 7 Adjust the water pressure so that the pressure in the water heat exchanger is less than 0 69N mm 2 8 Install an expansion tank within th...

Страница 171: ...rovide sufficient insulation so that condensation is not generated If there is a defect in the piping then this could cause water leaks and leakage into property he drain is should allow the water to run naturally so provide a downward slope of 1 100 or greater If an upward slope is provided then drainage water will flow backwards and cause leaks After completion of the piping check the drains to ...

Страница 172: ...able minimum size 2mm2 29 2mm2 17 2 mm2 Length up to 25m 2mm2 3 5mm2 2 mm2 Length up to 50m 3 5mm2 8mm2 2 mm2 Length up to 75m 5 5mm2 14mm2 2 mm2 Length up to 100m 8mm2 14mm2 2 mm2 Power supply cable metal pipe vinyl chloride pipe Voltage drop standard 2 Length up to 200m 14mm2 Grounding cable size 2mm2 Indoor outdoor operation cable 0 5mm2 2mm2 total length up to 1000m Remote control cable size 0...

Страница 173: ...ing If the incorrect breaker is installed then this can result in heating short circuit and lead to fires Fix an earth leakage breaker to each unit with the correct load setting earth leakage breaker rating 30mA 0 1s If an earth leakage breaker is not installed then this can result in electrical shocks and fires For the grounding connection install a D type connection in accordance with the Techni...

Страница 174: ...ethod is embedded J type JA type bolts on a slab 15cm thick Foundation bolt allowable short term tensile load Ta Ta 㩷 4 508㩷 N It is also acceptable to decide the installation method after completing the calculation Calculation Design horizontal magnitude KH KH 㩷 1 0㩷㩷 installation location KH on roof 1 0 㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷 on gro...

Страница 175: ...s Short direction 1 1 㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷 N mm2 Long direction 2 2 㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷 N mm2 Allowable tensile stress in a bolt subject to simultaneous tensile and shear stress fts ft s 1 4 ft 1 6 㩷 231 4㩷 N mm2 Judgment Tensile load Short direction䋺if Rb1 Ta OK Rb1 㩷㩷㩷 Ta 4 508 Long direction䋺if Rb2 Ta OK Rb2 㩷㩷㩷 Ta 4 508 Shear stress if fs 㩷 OK 㩷㩷㩷 fs 㩷 99 Tensile stress short di...

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