Mitsubishi Electric BDT CITY MULTI Installation And Pre-Commissioning Booklet Download Page 49 | Manualshive

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PIPING AND WIRING SCHEMATICS

Piping and wiring schematics are essential to any new installation. The installer must have these on site
during the installation and follow them closely.

The schematics identify:

• Project name

• BDT quote number

• Equipment model numbers

• Group names

• Piping layout and sizes

• Wiring layout

• M-Net addresses

An A3 piping and wiring schematic for this project is located in the sleeve at the back of this booklet.

If the installation varies from this schematic in any way it should be identified on the schematic and
returned to BDT to re-write into an as-built schematic of the system on completion of installation.

A copy of the as-built piping and wiring schematics should be left on site as a reference for fault finding,
maintenance or servicing of the equipment if required in the future.

Branch Controller Piping

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Summary of Contents for BDT CITY MULTI

Page 1: ...rtance of well trained highly skilled technical support staff Both companies share the belief that quality support strengthens the product by providing valuable design installation service and maintenance information quickly and efficiently BDT engineers and support staff undergo regular factory training to confidently ensure that we are supplying the most up to date and quality advice Confidentia...

Page 2: ...nd specifications change so differences may exist between the content of this manual and final product specifications Always check the BDT website or contact Technical Services on 0800 163 526 to confirm current product data before carrying out any prescribed work The contents and instructions within this booklet do not in any way negate local bylaws or New Zealand standards and regulations nor do...

Page 3: ...nd Outputs M Net Wiring Procedure M Net Addressing Piping and Wiring Schematics Additional Refrigerant Calculations Dip Switches Auto Changeover Indoor Unit Installation Setting Template SECTION B Installation and Commissioning Focus Back page in sleeve Pre commissioning Site Inspection Form Pre commissioning Check Sheet Indoor Unit Installation Setting Project Piping and Wiring Schematics 04 07 1...

Page 4: ...0A installations is to comply with AS NZ Standard 1677 Part 2 Copper tube of the correct wall thickness must be used SEALED PIPE Hard and soft drawn copper tube stored on site prior to installation must have plastic end caps fitted to prevent ingress of moisture and foreign objects Bends and fittings should be kept dry and in the original packing prior to installation PENETRATIONS All building pen...

Page 5: ...an occur Risers can be capped prior to the BC boxes and pressurised from the outdoor unit service valve connections Pressure for overnight testing to 100 psi using dry nitrogen A final system pressure test of 500 psi using dry nitrogen held for 24 hours is required to prove complete system tightness prior to evacuation The results must be noted 05 EFFECTIVE EVACUATION TECHNIQUES Effective evacuati...

Page 6: ...cal to the system s long term operation and warranty compliance When possible it is preferable to use copper lines for evacuation purposes as gauge hoses are porous when trying to measure accurate deep vacuum VACUUM MEASUREMENT COMPARISONS 1 TORR 1mm HG 1 TORR 1000 1000 microns microns 1000 29 88 HG inches or mercury microns 1mm HG 1 Connect the vacuum pump check valve vacuum gauge charge line wit...

Page 7: ... in max To BC controller Twinning pipe low pressure side Twinning pipe high pressure side On site piping low pressure connecting pipe between outdoor units On site piping low pressure main pipe to BC controller On site piping high pressure main pipe to BC controller Straight run of pipe that is 500 mm 19 11 16 in or more See the Installation Manual for the details of Twinning pipe installation See...

Page 8: ... around the edges of through holes for pipes and wires on the unit allow water or mice to enter the unit and damage its parts Close these gaps with filler plates This unit allows two types of pipe routing Bottom piping Front piping To prevent small animals water and snow from entering the unit and damaging its parts close the gap around the edges of through holes for pipes and wires with filler pl...

Page 9: ...ed H H 3 The vertical separation between units H must be 0 1 m 3 15 16 in or below In the figure on the right because the distance is more than 0 1 m 3 15 16 in the oil accumulates in Unit 1 when Unit 2 is in operation and Unit 1 is stopped H H 4 The vertical separation between units H must be 0 1 m 3 15 16 in or below In the figure on the right because the distance is more than 0 1 m 3 15 16 in t...

Page 10: ...may cause improper operation CAUTION Field piping Twinning kit Twinning kit Field piping Field piping Field piping Twinning kit The length of the straight pipe must be 500 mm 19 11 16 in or longer The length of the straight pipe must be 500 mm 19 11 16 in or longer The length of the straight pipe must be 500 mm 19 11 16 in or longer See the following drawing for connecting the pipes between the ou...

Page 11: ...mm 7 7 8 in or less 200mm 7 7 8 in or less Outdoor unit1 Outdoor unit 2 Outdoor unit 1 Outdoor unit 2 Outdoor unit 3 Twinning pipe 1 Twinning pipe 2 To Indoor unit PUHY P400YSKB A PUHY EP500YSLM A PUHY P950YSKB A PUHY EP800YSLM A 0000003416 BOOK 55 ページ２０１４年１１月１１日火曜日午前９時３４分 ...

Page 12: ...e edges of through holes for pipes and wires on the unit allow water or mice to enter the unit and damage its parts Close these gaps with filler plates This unit allows two types of pipe routing Bottom piping Front piping To prevent small animals water and snow from entering the unit and damaging its parts close the gap around the edges of through holes for pipes and wires with filler plates CAUTI...

Page 13: ...s is installed inexperienced technicians that use the glass may overcharge the refrigerant A Install the piping so that oil will not accumulate in the stopped outdoor unit 1 unit 1 unit 2 unit 3 unit 1 unit 2 unit 3 unit 1 unit 2 unit 3 The NG example shows that oil accumulates because the units are installed on a reverse gradient while unit 1 is in operation and unit 3 is stopped 2 unit 1 unit 2 ...

Page 14: ...ler in case of connected Indoor unit sized P100 P140 with 2 ports Note6 It is also possible to connect Indoor unit sized P100 P140 with 1 port set DIP SW 4 6 to OFF Note7 Individual indoor units grouped together to connect to the BC controller via one port cannot operate individually in heating and cooling modes at the same time I e they must all function in either heating However the cooling capa...

Page 15: ...ends Note5 Set DIP SW 4 6 to ON of BC controller in case of connected Indoor unit sized P100 P140 with 2 ports Note6 It is also possible to connect Indoor unit sized P100 P140 with 1 port set DIP SW 4 6 to OFF Note7 Individual indoor units grouped together to connect to the BC controller via one port cannot operate individually in heating and cooling modes at the same time I e they must all functi...

Page 16: ...ur local distributor 0 10 20 30 40 50 60 70 0 5 10 15 Height difference between the main BC controller and indoor unit m Note1 No Header usable on PURY system Note2 Indoor unit sized P100 P250 should be connected to BC controller via Y shape joint CMY R160 J1 Note3 Indoor unit sized P100 P250 does NOT share BC controller ports with other Indoor units Note4 As bends cause pressure loss on transport...

Page 17: ...utdoor unit and BC controller m Tot al extended pipe length m 200 300 400 500 600 700 800 900 1000 10 20 30 40 50 60 70 80 90 100 110 Distance between outdoor unit and BC controller m Tot al extended pipe length m PURY P400 450 500 550YSLM A 200 300 400 500 600 700 800 900 1000 10 20 30 40 50 60 70 80 90 100 110 Distance between outdoor unit and BC controller m Tot al extended pipe length m PURY P...

Page 18: ... c 165 541 190 623 Farthest IU from first Joint L2 C D E g B c 40 131 40 131 Height between OU and IU OU above IU 0 5 H 164 Height between OU and IU OU under IU H 40 131 Height between IU and IU h1 15 49 OU Outdoor Unit IU Indoor Unit Piping A size selection rule mm in Outdoor unit d i u q i L e p i P Pipe Gas PUHY P200YKB ø9 52 3 8 ø22 20 7 8 PUHY P250YKB ø9 52 3 8 1 ø22 20 7 8 PUHY P300YKB ø9 52...

Page 19: ...100VBK3 at the Outdoor unit s external drawing Piping B C D E size selection rule mm in Total down stream Indoor capacity Pipe Liquid Pipe Gas 8 5 8 8 5 1 ø 8 3 2 5 9 ø 0 4 1 P 4 3 5 0 9 1 ø 8 3 2 5 9 ø 0 0 2 P 1 4 1 P 8 7 0 2 2 2 ø 8 3 2 5 9 ø 0 0 3 P 1 0 2 P 8 1 1 8 5 8 2 ø 2 1 0 7 2 1 ø 0 0 4 P 1 0 3 P 8 1 1 8 5 8 2 ø 8 5 8 8 5 1 ø 0 5 6 P 1 0 4 P 8 3 1 3 9 4 3 ø 4 3 5 0 9 1 ø 0 0 8 P 1 5 6 P 8...

Page 20: ...U and IU OU under IU H 40 131 Height between IU and IU h1 15 49 OU Outdoor Unit IU Indoor Unit For Piping size M N S T please refer to specification of the Twinning kit CMY Y300VBK3 at the Outdoor unit s external drawing Piping B C D E size selection rule mm in Total down stream Indoor capacity Pipe Liquid Pipe Gas 8 5 8 8 5 1 ø 8 3 2 5 9 ø 0 4 1 P 4 3 5 0 9 1 ø 8 3 2 5 9 ø 0 0 2 P 1 4 1 P 8 7 0 2...

Page 21: ...er to carry out service enter the size and length of each liquid pipe and additional refrigerant charge amounts in the spaces provided on the Refrigerant amount plate on the outdoor unit Calculation of additional refrigerant charge Calculate the additional charge using the liquid pipe size and length of the extended piping and total capacity of connected indoor units Calculate the additional refri...

Page 22: ...ant charge Refrigerant for the extended piping is not included in the outdoor unit when the unit is shipped from the factory Therefore charge each refrigerant piping system with additional refrigerant at the installation site In addition in order to carry out service enter the size and length of each liquid pipe and additional refrigerant charge amounts in the spaces provided on the Refrigerant am...

Page 23: ...ipe and additional refrigerant charge amounts in the spaces provided on the Refrigerant amount plate on the outdoor unit Calculation of additional refrigerant charge Calculate the additional charge using the liquid pipe size and length of the extended piping and total capacity of connected indoor units Calculate the additional refrigerant charge using the procedure shown to the right and charge wi...

Page 24: ...both sides of the unit Condition 100 3 15 16 300 11 13 16 50 1 31 32 15 19 32 L W Minimum space behind the unit Minimum space on both sides of the unit Condition 100 3 15 16 h 300 11 13 16 h 50 1 31 32 h 15 19 32 h L W Should be shorter than the unit height Should be shorter than the unit height h 500 19 11 16 500 19 11 16 500 19 11 16 450 17 23 32 h h 2 3 3 2 7 1 0 5 4 h 2 3 3 2 7 1 0 5 4 L W W h...

Page 25: ...e passage space for each six units three units EP400 450 The space on both sides of a given group of units is minimum There are walls in the front and the back of a given group of units There is a wall on one side There is a wall on one side and either the front or the back of a given group of unit The space on both sides of a given group of units is minimum h 500 19 11 16 300 11 13 16 h 450 17 23...

Page 26: ...ps 2 groups Fig 4 2 13 Stacked groups arrangement 4 2 1 Spacing individual PUMY P YKM VKM Follow Fig 4 2 2 7 to space individual PUMY P YKM VKM at the installation site 4 2 2 Spacing grouped PUMY P YKM VKM Follow Fig 4 2 8 13 to space grouped PUMY P YKM VKM at the installation site Leave 10 mm 13 32 space or more between PUMY P YKM VKM units PUMY P YKM VKM can connect Indoor unit sized P15 to P140...

Page 27: ...nchor bolt mounting positions However local council regulations relating to seismic mounting may call for additional requirements Please always confirm and comply with your local regulations and standards NOTE If anti vibration mounts are required it must be in the form of absorption isolation pads Under no circumstances should spring type mounts be used ...

Page 28: ... unprotected from the wind situate the air outlet of the unit so that it is not directly exposed to strong winds Strong wind entering the air outlet may impede the normal airflow and a malfunction may result The following shows two examples of precautions against strong winds Install an optional air guide if the unit is installed in a location where strong winds may directly enter the air outlet F...

Page 29: ...such a way that the top end of the anchor bolt do not stick out more than 30 mm 1 3 16 in This unit is not designed to be anchored with post installation type anchor bolts although by adding fixing brackets anchoring with such type of anchor bolts becomes possible Individual installation P200 400 EP200 350 Collective installation Take into consideration the durability of the base water drainage ro...

Page 30: ...width of the unit leg D anchor bolt 3 locations to fix with screws A B C Secure the unit with anchor bolts as shown in the figure below so that the unit will not topple over in strong winds or during an earthquake Install the unit on a durable base made of materials such as concrete or angle steel Take appropriate anti vibration measures e g vibration damper pad vibration isolation base to keep vi...

Page 31: ... and a 30VDC M Net control Indoor units with a capacity code of P200 or larger will require a 380 415VAC supply In addition to this wall controllers and external inputs outputs can also be wired to the indoor unit if required OUTDOOR UNITS Each outdoor unit will require 380 415VAC supply and 2x M Net control connections M Net 1 TB3 indoor outdoor transmission cable 24 30VDC M Net 2 TB7 central con...

Page 32: ...Y P100VBM E 1 25 0 120 1 00 PLFY P125VBM E 1 34 0 120 1 07 PLFY P VLMD E Power supply IFM Volts Hz Range 10 MCA A 50 60Hz Output kW FLA A 50 60Hz PLFY P20VLMD E 220 240V 50Hz 220 230V 60Hz Max 264V Min 198V 0 45 0 46 0 015 0 36 0 37 PLFY P25VLMD E 0 45 0 46 0 015 0 36 0 37 PLFY P32VLMD E 0 45 0 46 0 015 0 36 0 37 PLFY P40VLMD E 0 50 0 53 0 015 0 40 0 42 PLFY P50VLMD E 0 51 0 54 0 020 0 41 0 43 PLF...

Page 33: ... 0 26 2 48 3 18 PEFY P200VMH E 380 415V 50Hz 380 415V 60Hz Max 456V Min 342V 2 03 2 33 0 76 1 62 1 86 PEFY P250VMH E 2 50 2 88 1 08 2 00 2 30 PEFY P200VMHS E 220 240V 50Hz 220 240V 60Hz Max 264V Min 198V 7 00 0 87 5 60 PEFY P250VMHS E 7 50 0 87 6 00 PEFY P VMA E Power supply IFM Volts Hz Range 10 MCA A Output kW FLA A PEFY P20VMA E 220 240V 50Hz 220 240V 60Hz Max 264V Min 198V 1 03 0 085 0 82 PEFY...

Page 34: ... E Power supply IFM Volts Hz Range 10 MCA A Output kW FLA A PKFY P63VKM E 220 240V 50Hz 220V 60Hz Max 264V Min 198V 0 36 0 056 0 29 PKFY P100VKM E 0 63 0 056 0 50 PCFY P VKM E Power supply IFM Volts Hz Range 10 MCA A Output kW FLA A PCFY P40VKM E 220 240V 50Hz 220V 60Hz Max 264V Min 198V 0 35 0 090 0 28 PCFY P63VKM E 0 41 0 095 0 33 PCFY P100VKM E 0 81 0 160 0 65 PCFY P125VKM E 0 95 0 160 0 76 PFF...

Page 35: ... 400 415 Max 456V Min 342V 13 2 9 7 0 06 x 2 4 46 4 24 4 09 PUMY P125YKM 13 3 5 7 0 06 x 2 5 53 5 26 5 07 PUMY P140YKM 13 3 9 7 0 06 x 2 7 23 6 87 6 62 PUMY P VKM Units Power supply Compressor FAN RLA A Hz Volts Voltage range MCA A Output kW SC A Output kW PUMY P112VKM 50 220 230 240 Max 264V Min 198V 29 5 2 9 14 0 06 x 2 14 03 13 42 12 86 PUMY P125VKM 29 5 3 5 14 0 06 x 2 17 26 16 51 15 82 PUMY P...

Page 36: ... P450YKB A BS 39 7 12 4 8 0 92 0 92 PUHY P850YSKB A BS PUHY P400YKB A BS 35 2 10 8 8 0 92 55 8 53 0 51 1 57 8 54 9 52 9 PUHY P450YKB A BS 39 7 12 4 8 0 92 0 92 PUHY P900YSKB A BS PUHY P450YKB A BS 39 7 12 4 8 0 92 0 92 59 1 56 2 54 1 61 1 58 0 55 9 PUHY P450YKB A BS 39 7 12 4 8 0 92 0 92 PUHY P950YSKB A BS PUHY P250YKB A BS 18 2 6 9 8 0 92 57 1 54 2 52 3 58 4 55 5 53 5 PUHY P300YKB A BS 22 9 8 1 8...

Page 37: ...92 PUHY EP300YLM A BS 8 1 8 0 92 PUHY EP850YSLM A BS PUHY EP250YLM A BS 61 3 6 9 8 0 92 43 0 40 9 39 4 46 8 44 5 42 9 PUHY EP300YLM A BS 8 1 8 0 92 PUHY EP300YLM A BS 8 1 8 0 92 PUHY EP900YSLM A BS PUHY EP300YLM A BS 64 8 8 1 8 0 92 45 9 43 6 42 0 49 0 46 5 44 8 PUHY EP300YLM A BS 8 1 8 0 92 PUHY EP300YLM A BS 8 1 8 0 92 PUHY EP950YSLM A BS PUHY EP300YLM A BS 71 9 8 1 8 0 92 51 2 48 6 46 8 54 0 51...

Page 38: ... 9 48 1 48 1 45 7 44 1 PURY P400YLM A BS 10 9 8 0 92 PURY P900YSLM A BS PURY P450YLM A BS 76 8 12 4 8 0 92 53 2 50 6 48 7 54 8 52 0 50 1 PURY P450YLM A BS 12 4 8 0 92 PURY EP YLM Unit Combination Units Power supply Compressor FAN RLA A 50 60Hz Hz Volts Voltage range MCA A Output kW SC A Output kW Cooling Heating PURY EP200YLM A BS 50 60 380 400 415 Max 456V Min 342V 16 1 5 6 8 0 92 9 2 8 7 8 4 10 ...

Page 39: ... 220 0 85 0 58 230 0 63 240 0 68 CMB P1010V G1 220 1 04 0 71 230 0 77 240 0 83 CMB P1013V G1 220 1 34 0 92 230 1 00 240 1 07 CMB P1016V G1 220 1 63 1 12 230 1 22 240 1 30 CMB P108V GA1 220 0 85 0 58 230 0 63 240 0 68 CMB P1010V GA1 220 1 04 0 71 230 0 77 240 0 83 CMB P1013V GA1 220 1 34 0 92 230 1 00 240 1 07 CMB P1016V GA1 220 1 63 1 12 230 1 22 240 1 30 CMB P1016V HA1 220 1 63 1 12 230 1 22 240 ...

Page 40: ...1A Minimum applicable load 1mA at DC 2 Low noise mode CN3D DipSW4 4 OFF X CN3D Preparations in the field Maximum cable length is 10m Adapter 2 Outdoor unit control board 2 3 1 X Relay The sound pressure level is reduced by controlling the maximum fan frequency and compressor frequency Note The sound pressure level can not be reduced when neither the fan frequency nor the compressor frequency are m...

Page 41: ...41 S SERIES OUTDOOR UNIT WIRING INPUTS AND OUTPUTS CITY MULTI ONLY ...

Page 42: ...42 INDOOR UNIT WIRING INPUTS AND OUTPUTS CITY MULTI ONLY INPUTS AND OUTPUTS Continued ...

Page 43: ...system Star point connections are not acceptable except when wiring in a sub BC and must have only one star point connection leading to the sub BC as shown on the piping and wiring schematic 2 The second M Net starts from TB7 on the first outdoor unit it is 22 28VDC and daisy chains from system central controllers and all other outdoor units on all systems that are connected to the central control...

Page 44: ...44 RECOMMENDED M NET WIRING PROCEDURE CABLE LIMITATIONS AND SYSTEM EXAMPLES ...

Page 45: ...e conduit 3 Earth and neutral connection and testing back to MCC must be carried out by an electrician prior to powering up the outdoor unit 4 Do not connect 230 volts to M Net connection This will result in catastrophic board failure 5 Two core screened 1 25mm2 cables must be used for all M Net wiring Failure to do so will void all warranty and cause control system errors Royal Thai Embassy Welli...

Page 46: ...and label each item of plant with permanent marker or other labelling system with the following Address Indoor Outdoor BC Name Port Number R2 equipment only ADDRESSING MUST FOLLOW THE PIPING AND WIRING SCHEMATICS Rotary Switch Operation Addresses are set using numerical rotary switches There are two rotary tumblers for address setting the 10 s and the 1 s For R2 indoor units a port setting is requ...

Page 47: ...47 ...

Page 48: ...48 BASIC SYSTEM M NET WIRING AND ADDRESSING EXAMPLE M NET ADDRESSING Continued ...

Page 49: ...t addresses An A3 piping and wiring schematic for this project is located in the sleeve at the back of this booklet If the installation varies from this schematic in any way it should be identified on the schematic and returned to BDT to re write into an as built schematic of the system on completion of installation A copy of the as built piping and wiring schematics should be left on site as a re...

Page 50: ...50 Job Name Quote Number M Net Wiring blue lines Pipe Sizes Unit Address Number Piping red dotted lines Model Numbers Group Names Supply Wiring Black lines EXAMPLE SCHEMATIC ...

Page 51: ...300 m A B C d 150 m B C d 30 m 50 meters or less If the outdoor unit is lower 40 meters or less 15 meters or less Use an optional branch piping kit CMY Y62 G E Total Piping Length Farthest Piping Length Farthest Piping Length After First Branch High Low Difference in Indoor Outdoor Section High Low Difference in Indoor Indoor Section Permissible Length Permissible High Low Difference L R H h Selec...

Page 52: ...nits m and kg Formula When the piping length from the outdoor unit to the farthest indoor unit is 30 5 m 100 ft or shorter Amount of additional charge kg ø19 05 total length 0 29 kg m ø15 88 total length 0 2 kg m ø12 7 total length 0 12 kg m ø9 52 total length 0 06 kg m ø6 35 total length 0 024 kg m Outdoor unit model Amount kg Total capacity of connected indoor units Amount kg P200 0 80 or below ...

Page 53: ...nt charge Amount of factory charged refrigerant There is a limit to the amount of refrigerant that can be charged into a unit Regardless of the amount yielded by the formula above observe the maximum refrigerant charge in the table below Total index of the outdoor units P200YKB 22 3kg P250YKB 29 7kg P300YKB 32 7kg P350YKB 33 6kg P400YSKB 45 0kg P450YSKB 45 9kg P500YSKB 47 0kg P550YSKB 51 3kg P600Y...

Page 54: ...lation result to the nearest 0 1kg i e 16 03 kg 16 1 kg Outdoor Twinning kit PURY P YLM Units m and kg In an R2 system Formula When the piping length from the outdoor unit to the farthest indoor unit is 30 5 m 100 ft or shorter Amount of additional charge kg High pressure pipe ø28 58 total length 0 36 kg m High pressure pipe ø22 2 total length 0 23 kg m High pressure pipe ø19 05 total length 0 16 ...

Page 55: ...gh pressure pipe ø15 88 total length 0 1 kg m Liquid pipe ø15 88 total length 0 18 kg m Liquid pipe ø12 7 total length 0 11 kg m Liquid pipe ø9 52 total length 0 054 kg m Liquid pipe ø6 35 total length 0 021 kg m Total capacity of outdoor units Amount to be added for standard or main BC controller Main BC controller Amount P200 3 0kg HA type 2 0kg P250 4 5kg P300 4 5kg P350 900 6 0kg Number of sub...

Page 56: ...ON OFF Any time after the power is turned ON Initial settings 2 Mode setting Heating Cooling SW4 SW8 Model Switch 1 6 MODEL SELECTION 1 ON 0 OFF Before the power is turned ON Initial settings Set for each capacity SW5 Function Switch 1 Demand control setting for Demand Responce Mode DRM DRM Existing demand mode Can be set when off or during operation Initial settings Turn ON to activate the demand...

Page 57: ...educe the performance prevents dew condensation Switching it to raise the performance it raises the power consumption and produces more dew condensation Switching it to reduce the performance it makes the 8 Switching 2 the target evaporation temperature ETm Enable Normal SW7 function switch 1 Ignore current sensor abnormality Enable Normal After turning the power ON Initial settings To perform a t...

Page 58: ...e rotation speed of the outdoor unit fans CN3D needs to be set Refer to the following page s 2 4 7 Various Control Methods Using the Signal Input Output Connec tor on Outdoor Unit page 28 Switch Function Function according to switch setting Switch setting tim ing Units that require switch setting Note 2 OFF ON SWU 1 2 Unit address setting Set to 00 or 51 100 with the dial switch Before power on C ...

Page 59: ...l IC Anytime after power on A No 832 0000001011 Cumulative compressor operation time deletion Retained Cleared Anytime after power on OFF ON C No 848 0000101011 Continuous heating cycle function Disabled Enabled After being energized and while the com pressor is stopped A No 896 0000000111 Clearance of error history OC Retained IC OC Deleted IC OC Anytime after power on OFF ON C OS Retained OS Del...

Page 60: ...t page 25 5 Operation noise is reduced by limiting the frequency of the compressor and rotation speed of the outdoor unit fan Switch Function Function according to switch setting Switch setting timing Units that require switch setting Note 2 OFF ON SWU 1 2 Unit address setting Set to 00 or 51 100 with the dial switch Before power on C SW5 1 Centralized control switch Without connec tion to the cen...

Page 61: ...utes after compressor start up OFF ON D No 915 1100100111 Defrost start temperature Note 3 EP200 EP350 13 C 9 F EP400 EP500 11 C 12 F 8 C 18 F Anytime after power on B No 916 0010100111 Defrost end temperature Note 3 EP200 EP250 10 C 50 F EP300 EP500 7 C 45 F 5 C 41 F Anytime after power on B No 918 0110100111 Changes the defrost timer setting Note 3 50 minutes 90 minutes Anytime after power on OF...

Page 62: ...e table below shows the combinations of the settings for items No 964 and No 982 and the target evaporating temperature setting that corresponds to each combination 6 Unless otherwise specified leave the switch to OFF where indicated by which may be set to OFF for a reason 7 The settings that are configured with SW4 SW6 10 ON will automatically be stored on the indoor units that support the new fu...

Page 63: ...63 DIP SWITCHES INDOOR UNITS ...

Page 64: ...ts to allow for stratification SW3 1 SW1 7 SW1 8 Change fan speed setting on the indoor unit while in the thermostat OFF position as per the table below This is often used to reduce drafts during the off cycle PLEASE NOTE Some indoor units will come with 8 dip switches on SW3 rather than the 10 shown on the previous page If the unit comes with 8 please note that the dip switches will change as per...

Page 65: ... will remove this low frequency chatter However it is important to know that this may also reduce the minimum operating capacity of some indoor units causing them to have less accurate temperature control P200 P250 EP250 P300 P350 P400 EP250 EP300 P450 EP350 Cooling Only Cooling Main Heating Only Heating Main Cooling Only Cooling Main Heating Only Heating Main Cooling Only Cooling Main Heating Onl...

Page 66: ...nd press and hold SWP1 for 2 sec LED3 will become lit to indicate the function is now on Set SW6 10 back to OFF PUMY P V YHMB set SW2 5 to the ON position on the outdoor control board PUMY P VKM set SW9 1 to the ON position on the outdoor control board 3 Auto changeover selected from the central controller with web browser This is only available on central controllers that have a web browser featu...

Page 67: ...ting 100h 2500h 4 Outside air intake Disabled Enabled 5 Remote display option Fan output Thermo ON signal 6 Humidifier control During heating operation Always on while in the heating mode 7 Fan speed setting for Heating Thermo OFF Very low Low Forced heating operation at OA temp of 5 C or below Not available Available 8 Fan speed setting for Heating Thermo OFF According to the SW1 7 setting Pre se...

Page 68: ...68 Stanley Street Building Auckland ...

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