Hvac Delta 26WG Series Owner's Manual

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MODELS

INDOOR

26WG

009I

26WG

012I

26WG

018I

• Thank you for choosing Delta Air Conditioners, please read this owner's manual carefully before operation

and retain it for future reference.If you have lost the Owner's Manual, please contact the local agent

or visit www.delta-dct.com or send email to sales@delta-dct.com for electronic version.

• Delta HVAC reserves the right to interpret this manual which will be subject to any change due to product

improvement without further notice.

• DCT Inter-America LLC FL USA reserves the final right to interpret this manual.

INSPIRE ULTRA 16

26WG - 35HG Series

OWNER S MANUAL

MINI SPLIT SYSTEMS

OUTDOOR

35HG

74-026DWG

35HG

74-035DWG

35HG

74-053DWG

009I

74-026DMG(3C)

012I

74-035DMG(3C)

018I

74-053DMG(3C)

www.delta-dct.com

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Summary of Contents for Hvac Delta 26WG Series

Page 1 Owner’s Manual, please contact the local agent or visit www.delta-dct.com or send email to sales@delta-dct.com for electronic version. • Delta HVAC reserves the right to interpret this manual which will be subject to any change due to product improvement without further notice.
Page 2 Thank you for Choosing Delta HVAC Cooling and Heating Products. At Delta we pride ourselves in manufacturing the HIGHEST EFFICIENCY Products with award winning Global Accolades from our Customers. We value your purchase and encourage you to read this manual carefully, following all the necessary safty and product Information.
Page 3: Table Of Contents
Content Operation Notices Precautions......................1 Parts name ......................6 Screen Operation Guide Buttons on remote controller .................8 Introduction for icons on display screen ..............8 Introduction for buttons on remote controller ............9 Function introduction for combination buttons ............1 3 Operation guide ....................15 Replacement of batteries in remote controller .............15 Emergency operation ..................
Page 4 Explanation of Symbols Indicates a hazardous situation that, if not avoided, will DANGER result in death or serious injury. Indicates a hazardous situation that, if not avoided, could WARNING result in death or serious injury. Indicates a hazardous situation that, if not avoided, may CAUTION result in minor or moderate injury.
Page 5: Precautions
Precautions WARNING Operation and Maintenance This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
Page 6 Precautions WARNING Maintenance must be performed by qualified professionals. Otherwise, it may cause personal injury or damage. Do not repair air conditioner by yourself. It may cause electric shock or damage. Please contact dealer when you need to repair air conditioner. Do not extend fingers or objects into air inlet or air outlet.
Page 7 Precautions WARNING Attachment Installation must be performed by qualified professionals. Otherwise, it may cause personal injury or damage. Must follow the electric safety regulations when installing the unit. According to the local safety regulations, use qualified power supply circuit and circuit break. Do install the circuit break.
Page 8 Precautions WARNING Do not put through the power before finishing installation. If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard. The temperature of refrigerant circuit will be high, please keep the interconnection cable away from the copper tube.
Page 9 Precautions WARNING For the air conditioner with plug, the plug should be reachable after finishing installation. For the air conditioner without plug, an circuit break must be installed in the line. If you need to relocate the air conditioner to another place, only the qualified person can perform the work.
Page 10: Parts Name
Parts name Indoor Unit air inlet panel filter aux.button horizontal louver air outlet (Display content or position may be different from above graphics, please refer to actual products) remote control Outdoor Unit air inlet Connection wire air outlet NOTICE: Actual product may be different from above graphics, please refer to actual products.
Page 11 Parts name Display For some model: temp. For some model: indicator heating cooling power receiver indicator indicator indicator window display cooling indicator receiver power window indicator heating temp. drying display drying indicator indicator indicator indicator For some model: For some model: drying indicator heating...
Page 12: Buttons On Remote Controller
Buttons on remote controller ON/OFF button MODE button FAN button SWING button TURBO button ▲/ button SLEEP button TEMP button I FEEL button LIGHT button CLOCK button TIMER ON / TIMER OFF button Introduction for icons on display screen Set fan speed I feel Send signal Operation mode...
Page 13: Introduction For Buttons On Remote Controller
Introduction for buttons on remote controller Note: ● This is a general use remote controller, it could be used for the air conditioners with multifunction; For some function, which the model doesn't have, if press the corresponding button on the remote controller that the unit will keep the original running status.
Page 14 Introduction for buttons on remote controller temperature. Press "FAN" button to adjust fan speed. Press "SWING" button to adjust fan blowing angle. (Cooling only unit won’t receive heating mode signal. If setting heat mode with remote controller, press ON/OFF button can’t start up the unit).
Page 15 Introduction for buttons on remote controller TURBO button Under COOL or HEAT mode, press this button to turn to quick COOL or quick HEAT mode. " " icon is displayed on remote controller. Press this button again to exit turbo function and " "...
Page 16 Introduction for buttons on remote controller ● It’s defaulted to display set temperature when turning on the unit. There is no display in the remote controller. ● Only for the models whose indoor unit has dual-8 display. ● When selecting displaying of indoor or outdoor ambient temperature, indoor temperature indicator displays corresponding temperature and automatically turn to display set temperature after three or ﬁve seconds.
Page 17: Function Introduction For Combination Buttons
Introduction for buttons on remote controller TIMER ON setting will increase or decrease 1min. Hold "▲" or " " button, 2s later, the time will change quickly until reaching your required time. resumes displaying. Cancel TIMER ON: Under the condition that TIMER ON is started up, press "TIMER ON"...
Page 18 Function introduction for combination buttons 8℃ heating function Under heating mode, press "TEMP" and "CLOCK" buttons simultaneously to start up or turn off 8℃ heating function. When this function is started up, " " and "8℃ " will be shown on remote controller, and the air conditioner keep the heating status at 8℃...
Page 19: Operation Guide
Operation guide After putting through the power, press "ON/OFF" button on remote controller to turn on the air conditioner. Press "MODE" button to select your required mode: AUTO, COOL, DRY, FAN, HEAT. Press "▲" or " " button to set your required temperature. (Temperature can’t be adjusted under auto mode).
Page 20: Emergency Operation
Emergency operation If remote controller is lost or damaged, please use auxiliary button to turn on or turn off the air conditioner. The operation in details are as below: air conditioner. When the air conditioner is turned on, it will operate under auto mode.
Page 21 Clean and maintenance Open panel Pull out the panel to a certain ● Use dust catcher or water to the water (below 45℃ ) to clean it, and then put it in a shady and cool place to dry. panel cover tightly. WARNING operation environment, clean frequency can be increased.
Page 22 Clean and Maintenance NOTICE: Checking before use-season 1. Check whether air inlets and air outlets are blocked. 2. Check whether air switch, plug and socket are in good condition. 4. Check whether mounting bracket for outdoor unit is damaged or corroded. If yes, please contact dealer.
Page 23: Malfunction Analysis
Malfunction analysis General phenomenon analysis Please check below items before asking for maintenance. If the malfunction still can’t be eliminated, please contact local dealer or qualified professionals. Phenomenon Check items Solution ● Whether it's interfered severely ● Pull out the plug. Reinsert (such as static electricity, stable the plug after about 3min, and voltage)?
Page 24 Malfunction analysis Phenomenon Check items Solution ● Power failure? ● Wait until power recovery. ● Is plug loose? ● Reinsert the plug. ● Circuit break trips off or ● Ask professional to replace fuse is burnt out? circuit break or fuse. Air condit- ●...
Page 25 Malfunction analysis Phenomenon Check items Solution ● Whether there’s odour source, ● Eliminate the odour source. Odours are such as furniture and cigarette, emitted ● Clean the filter. etc. Air conditioner ● Whether there’s interference, ● Disconnect power, put back operates nor- such as thunder, wireless power, and then turn on the...
Page 26 Malfunction analysis Error Code ● When air conditioner status is abnormal, temperature indicator on indoor unit will ation of error code. Error code Troubleshooting It can be eliminated after restarting the unit. If not, please It can be eliminated after restarting the unit. If not, please It can be eliminated after restarting the unit.
Page 27: Installation Dimension Diagram
Installation dimension diagram Space to the wall At least 15cm At least 15cm Space to the wall Drainage pipe...
Page 28: Safety Precautions For Installing And Relocating The Unit
Safety precautions for installing and relocating the unit To ensure safety, please be mindful of the following precautions. Warning When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the specified refrigerant. Any presence of air or other foreign substance in the refrigerant circuit will cause system pressure rise or compressor rupture, resulting in injury.
Page 29: Tools For Installation
Tools for installation 1 Level meter 2 Screw driver 3 Impact drill 4 Drill head 5 Pipe expander 6 Torque wrench 7 Open-end wrench 8 Pipe cutter 9 Leakage detector 10 Vacuum pump 11 Pressure meter 12 Universal meter 13 Inner hexagon spanner 14 Measuring tape Note: ●...
Page 30: Requirements For Electric Connection
Requirements for electric connection Safety precaution 1. Must follow the electric safety regulations when installing the unit. circuit break. 3. Make sure the power supply matches with the requirement of air conditioner. Unstable power supply or incorrect wiring or malfunction. Please install proper power supply cables before using the air conditioner.
Page 31: Installation Of Indoor Unit
Installation of indoor unit Step one: choosing installation location rm it with the client. Step two: install wall-mounting frame 1. Hang the wall-mounting frame on the wall; adjust it in horizontal position with the plastic expansion particles in the holes. 3.
Page 32 Installation of indoor unit Indoor outdoor Note: ● Pay attention to dust prevention and take relevant safety measures when Φ55/ opening the hole. 5-10 ● The plastic expansion particles are Φ70 not provided and should be bought locally. Step four: outlet pipe 1.
Page 33 Installation of indoor unit Hex nut diameter Tightening torque (N . m) open-end wrench Φ 6 15~20 Φ 9.52 30~40 union nut Φ 12 45~55 pipe Φ 16 60~65 torque wrench Φ 19 70~75 indoor pipe 4. Wrap the indoor pipe and joint of con- nection pipe with insulating pipe, and then wrap it with tape.
Page 34 Installation of indoor unit 2. Make the power connection wire go through the cable-cross hole at the back cable-cross hole of indoor unit and then pull it out from the front side. power connection wire 3. Remove the wire clip; connect the power connection wire to the wiring terminal with wire clip.
Page 35 Installation of indoor unit Step eight: bind up pipe 1. Bind up the connection pipe, power drain hose connection pipe band cord and drain hose with the band. indoor and outdoor power cord indoor unit pipe indoor power cord liquid pipe 3.
Page 36: Installation Of Outdoor Unit
Installation of outdoor unit (select it according to the actual installation situation) 1. Select installation location according to the house structure. 2. Fix the support of outdoor unit on the selected location with expansion screws. Note: installing the outdoor unit. ●...
Page 37 Installation of outdoor unit Step four: connect indoor and outdoor pipes 1. Remove the screw on the right han- 3. Pretightening the union nut with dle of outdoor unit and then remove hand. the handle. pipe joint screw union nut handle 2.
Page 38 Installation of outdoor unit 2. Fix the power connection wire and signal control wire with wire clip (only for cooling and heating unit). Note: ● After tighten the screw, pull the power cord slightly to check if it is firm. ●...
Page 39: Vacuum Pumping
Vacuum pumping Use vacuum pump 1. Remove the valve caps on the liquid valve and gas liquid valve piezometer valve and the nut of refri- gas valve gerant charging vent. refrigerant charging 2. Connect the charging hose valve cap vent of piezometer to the refri- gerant charging vent of gas nut of refrigerant...
Page 40: Check After Installation
Check after installation Items to be checked Possible malfunction The unit may drop, shake or emit noise. Have you done the refrigerant leakage test? (heating) capacity. It may cause condensation and water dripping. It may cause condensation and water Is water drained well? dripping.
Page 41: Configuration Of Connection Pipe
Configuration of connection pipe 1. Standard length of connection pipe ● 5m, 7.5m, 8m. 2.Min. length of connection pipe is 3m. 3.Max. length of connection pipe. Max length Max length Cooling Cooling of connec- of connec- capacity capacity tion pipe tion pipe 5000Btu/h 24000Btu/h...
Page 42 Configuration of connection pipe Additional refrigerant charging amount for R22, R407C, R410A and R134a Diameter of connection pipe Outdoor unit throttle Liquid pipe(mm) Gas pipe(mm) Cooling only(g/m) Cooling and heating(g/m) Φ6 Φ9.52 or Φ12 Φ6 or Φ9.52 Φ16 or Φ19 Φ12 Φ19 or Φ22.2 Φ16...
Page 43: Pipe Expanding Method
Pipe expanding method Note: Improper pipe expanding is the main cause of refrigerant leakage. Please expand the pipe according to the following steps: A: Cut the pipe E: Expand the port ● Confirm the pipe length according to ● Expand the port with expander. the distance of indoor unit and hard outdoor unit.
Page 44 Thank you for Choosing Perfectly Engineered For Your Comfort. 66129925349 www.delta-dct.com...
Page 45 Owner’s Manual, please contact the local agent or visit www.delta-dct.com or send email to sales@delta-dct.com for electronic version. • Delta HVAC reserves the right to interpret this manual which will be subject to any change due to product improvement without further notice.
Page 46 Thank you for Choosing Delta HVAC Cooling and Heating Products. At Delta we pride ourselves in manufacturing the HIGHEST EFFICIENCY Products with award winning Global Accolades from our Customers. We value your purchase and encourage you to read this manual carefully, following all the necessary safty and product Information.
Page 47 Content Operation Notices Precautions......................1 Parts name ......................6 Screen Operation Guide Buttons on remote controller ................. 8 Introduction for icons on display screen ............... 8 Introduction for buttons on remote controller............9 Function introduction for combination buttons............13 Operation guide ....................15 Replacement of batteries in remote controller.............
Page 48 Explanation of Symbols Indicates a hazardous situation that, if not avoided, will DANGER result in death or serious injury. Indicates a hazardous situation that, if not avoided, could WARNING result in death or serious injury. Indicates a hazardous situation that, if not avoided, may CAUTION result in minor or moderate injury.
Page 49: Precautions
Precautions WARNING Operation and Maintenance This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
Page 50 Precautions WARNING Maintenance must be performed by qualified professionals. Otherwise, it may cause personal injury or damage. Do not repair air conditioner by yourself. It may cause electric shock or damage. Please contact dealer when you need to repair air conditioner. Do not extend fingers or objects into air inlet or air outlet.
Page 51 Precautions WARNING Attachment Installation must be performed by qualified professionals. Otherwise, it may cause personal injury or damage. Must follow the electric safety regulations when installing the unit. According to the local safety regulations, use qualified power supply circuit and circuit break. Do install the circuit break.
Page 52 Precautions WARNING Do not put through the power before finishing installation. If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard. The temperature of refrigerant circuit will be high, please keep the interconnection cable away from the copper tube.
Page 53 Precautions WARNING For the air conditioner with plug, the plug should be reachable after finishing installation. For the air conditioner without plug, an circuit break must be installed in the line. If you need to relocate the air conditioner to another place, only the qualified person can perform the work.
Page 54: Parts Name
Parts name Indoor Unit air inlet panel aux.button horizontal louver air outlet (Display content or position may be different from above graphics, please refer to actual products) remote control Outdoor Unit air inlet handle air outlet NOTICE: Actual product may be different from above graphics, please refer to actual products.
Page 55 Parts name Display For some model: For some model: temp. cooling power receiver indicator indicator indicator window heating indicator display cooling indicator receiver power heating temp. drying window indicator display indicator indicator indicator drying indicator For some model: display temp. indicator Power LED color indicator: Green-status-ON.
Page 56: Buttons On Remote Controller
Buttons on remote controller ON/OFF button MODE button FAN button SWING button TURBO button ▲/ button SLEEP button TEMP button I FEEL button LIGHT button CLOCK button TIMER ON / TIMER OFF button Introduction for icons on display screen Set fan speed I feel Send signal Operation mode...
Page 57: Introduction For Buttons On Remote Controller
Introduction for buttons on remote controller Note: ● This is a general use remote controller, it could be used for the air conditioners with multifunction; For some function, which the model doesn't have, if press the corresponding button on the remote controller that the unit will keep the original running status.
Page 58 Introduction for buttons on remote controller temperature. Press "FAN" button to adjust fan speed. Press "SWING" button to adjust fan blowing angle. (Cooling only unit won’t receive heating mode signal. If setting heat mode with remote controller, press ON/OFF button can’t start up the unit).
Page 59 Introduction for buttons on remote controller TURBO button Under COOL or HEAT mode, press this button to turn to quick COOL or quick HEAT mode. " " icon is displayed on remote controller. Press this button again to exit turbo function and " "...
Page 60 Introduction for buttons on remote controller ● It’s defaulted to display set temperature when turning on the unit. There is no display in the remote controller. ● Only for the models whose indoor unit has dual-8 display. ● When selecting displaying of indoor or outdoor ambient temperature, indoor temperature indicator displays corresponding temperature and automatically turn I FEEL button Press this button to start I FEEL function and "...
Page 61: Function Introduction For Combination Buttons
Introduction for buttons on remote controller TIMER ON setting will increase or decrease 1min. Hold "▲" or " " button, 2s later, the time will change quickly until reaching your required time. resumes displaying. Cancel TIMER ON: Under the condition that TIMER ON is started up, press "TIMER ON"...
Page 62 Function introduction for combination buttons 8℃ heating function Under heating mode, press "TEMP" and "CLOCK" buttons simultaneously to start up or turn off 8℃ heating function. When this function is started up, " " and "8℃ " will be shown on remote controller, and the air conditioner keep the heating status at 8℃...
Page 63: Operation Guide
Operation guide After putting through the power, press "ON/OFF" button on remote controller to turn on the air conditioner. Press "MODE" button to select your required mode: AUTO, COOL, DRY, FAN, HEAT. Press "▲" or " " button to set your required temperature. (Temperature can’t be adjusted under auto mode).
Page 64: Emergency Operation
Emergency operation If remote controller is lost or damaged, please use auxiliary button to turn on or turn off the air conditioner. The operation in details are as below: air conditioner. When the air conditioner is turned on, it will operate under auto mode.
Page 65 Clean and maintenance Open panel Pull out the panel to a certain ● Use dust catcher or water to the water (below 45℃ ) to clean it, and then put it in a shady and cool place to dry. panel cover tightly. WARNING operation environment, clean frequency can be increased.
Page 66 Clean and maintenance NOTICE: Checking before use-season 1. Check whether air inlets and air outlets are blocked. 2. Check whether air switch, plug and socket are in good condition. 4. Check whether mounting bracket for outdoor unit is damaged or corroded. If yes, please contact dealer.
Page 67: Malfunction Analysis
Malfunction analysis General phenomenon analysis Please check below items before asking for maintenance. If the malfunction still Phenomenon Check items Solution ● Whether it's interfered severely ● Pull out the plug. Reinsert (such as static electricity, stable the plug after about 3min, and voltage)? then turn on the unit again.
Page 68 Malfunction analysis Phenomenon Check items Solution ● Power failure? ● Wait until power recovery. ● Is plug loose? ● Reinsert the plug. ● Circuit break trips off or ● Ask professional to replace fuse is burnt out? circuit break or fuse. Air condit- ●...
Page 69 Malfunction analysis Phenomenon Check items Solution Air conditio- ● Whether there’s interference, ● Disconnect power, put back ner operates such as thunder, wireless power, and then turn on the abnormally devices, etc. unit again. suddenly ● The noise is the sound of “Water ●...
Page 70 Malfunction analysis Error Code ● When air conditioner status is abnormal, temperature indicator on indoor unit will ation of error code. Error code Troubleshooting It can be eliminated after restarting the unit. If not, please It can be eliminated after restarting the unit. If not, please It can be eliminated after restarting the unit.
Page 71: Installation Dimension Diagram
Installation dimension diagram Space to the wall At least 15cm At least 15cm Space to the wall Drainage pipe...
Page 72: Safety Precautions For Installing And Relocating The Unit
Safety precautions for installing and relocating the unit To ensure safety, please be mindful of the following precautions. Warning When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the specified refrigerant. Any presence of air or other foreign substance in the refrigerant circuit will cause system pressure rise or compressor rupture, resulting in injury.
Page 73: Tools For Installation
Tools for installation 1 Level meter 2 Screw driver 3 Impact drill 4 Drill head 5 Pipe expander 6 Torque wrench 7 Open-end wrench 8 Pipe cutter 9 Leakage detector 10 Vacuum pump 11 Pressure meter 12 Universal meter 13 Inner hexagon spanner 14 Measuring tape Note: ●...
Page 74: Requirements For Electric Connection
Requirements for electric connection Safety precaution 1. Must follow the electric safety regulations when installing the unit. circuit break. 3. Make sure the power supply matches with the requirement of air conditioner. Unstable power supply or incorrect wiring or malfunction. Please install proper power supply cables before using the air conditioner.
Page 75: Installation Of Indoor Unit
Installation of indoor unit Step one: choosing installation location rm it with the client. Step two: install wall-mounting frame 1. Hang the wall-mounting frame on the wall; adjust it in horizontal position with the plastic expansion particles in the holes. 3.
Page 76 Installation of indoor unit Indoor outdoor Note: ● Pay attention to dust prevention and take relevant safety measures when opening the hole. Φ70 5-10 ● The plastic expansion particles are not provided and should be bought locally. Step four: outlet pipe 1.
Page 77 Installation of indoor unit Hex nut diameter Tightening torque (N . m) open-end wrench Φ 6 15~20 Φ 9.52 30~40 union nut Φ 12 45~55 pipe Φ 16 60~65 torque wrench Φ 19 70~75 indoor pipe 4. Wrap the indoor pipe and joint of con- nection pipe with insulating pipe, and then wrap it with tape.
Page 78 Installation of indoor unit 2. Make the power connection wire go cable-cross through the cable-cross hole at the back hole of indoor unit and then pull it out from the front side. power connection wire 3. Remove the wire clip; connect the power connection wire to the wiring terminal with wire clip.
Page 79 Installation of indoor unit Step eight: bind up pipe 1. Bind up the connection pipe, power drain hose connection pipe band cord and drain hose with the band. indoor and outdoor power cord indoor unit pipe indoor power cord liquid pipe 3.
Page 80: Installation Of Outdoor Unit
Installation of outdoor unit (select it according to the actual installation situation) 1. Select installation location according to the house structure. 2. Fix the support of outdoor unit on the selected location with expansion screws. Note: installing the outdoor unit. ●...
Page 81 Installation of outdoor unit Step four: connect indoor and outdoor pipes 1. Remove the screw on the right han- 3. Pretightening the union nut with dle of outdoor unit and then remove hand. the handle. pipe joint screw union nut handle 2.
Page 82 Installation of outdoor unit 2. Fix the power connection wire and signal control wire with wire clip (only for cooling and heating unit). Note: ● Never cut the power connection wire to prolong or shorten the distance. Step six: neaten the pipes 1.
Page 83: Vacuum Pumping
Vacuum pumping Use vacuum pump 1. Remove the valve caps on the liquid valve and gas piezometer liquid valve valve and the nut of refri- gas valve gerant charging vent. refrigerant valve cap 2. Connect the charging hose charging vent of piezometer to the refri- nut of refrigerant gerant charging vent of gas...
Page 84: Check After Installation
Check after installation Items to be checked Possible malfunction The unit may drop, shake or emit noise. Have you done the refrigerant leakage test? (heating) capacity. It may cause condensation and water dripping. It may cause condensation and water Is water drained well? dripping.
Page 85: Configuration Of Connection Pipe
Configuration of connection pipe 1. Standard length of connection pipe ● 5m, 7.5m, 8m. 2.Min. length of connection pipe is 3m. 3.Max. length of connection pipe. Max length Max length Cooling Cooling of connec- of connec- capacity capacity tion pipe tion pipe 5000Btu/h 24000Btu/h...
Page 86 Configuration of connection pipe Additional refrigerant charging amount for R22, R407C, R410A and R134a Diameter of connection pipe Outdoor unit throttle Liquid pipe(mm) Gas pipe(mm) Cooling only(g/m) Cooling and heating(g/m) Φ6 Φ9.52 or Φ12 Φ6 or Φ9.52 Φ16 or Φ19 Φ12 Φ19 or Φ22.2 Φ16...
Page 87: Pipe Expanding Method
Pipe expanding method Note: Improper pipe expanding is the main cause of refrigerant leakage. Please expand the pipe according to the following steps: A: Cut the pipe E: Expand the port ● Expand the port with expander. the distance of indoor unit and hard outdoor unit.
Page 88 Thank you for Choosing Perfectly Engineered For Your Comfort. 66129925350 www.delta-dct.com...

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Hvac Delta 26WG Series Owner's Manual

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