Lennox VPB036H4M Скачать руководство пользователя страница 33 | Manualshive

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Wiring Examples for Speed Control

Figure 26. Gas Furnace 1-Speed Wiring

(Lennox Furnace ML180 1-Speed Connection Shown)

FAN

FAN

CTON

HTON

AUXH

Y

G

W

CTON

HTON

AUXH

R

C

24V

1A (X6)

24VAC

~

1 Cooling Speed Wiring

DEH

OPT

DEH

OPT

Ho

L

Mo

Lo

C

ML180

0~250V

1A (X3)

P3 AHU Control Kit

Example Furnace LII ML180UH, EL196UH

1 cooling HP spd, 1 ALT spd (2 of 4 speed choices 1=low=red 2=yellow 3=brown 4=high=black)

AHU kit sets ALT for furnace

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Содержание VPB036H4M

Страница 1: ...n of VRF sys tems during any phase of construction Construction debris low temperatures harmful vapors and opera tion of the unit with misplaced filters can damage the units Failure to follow these guidelines will result in the warranty being voided WARNING Improper installation adjustment alteration ser vice or maintenance can cause property damage personal injury or loss of life Installation and...

Страница 2: ...tification V 8 AHUK 24 3 P Brand Family V Variable Refrigerant Flow VRF Unit Type 8 VRF Accessory Unit Type 024 2 ton Kit 048 4 ton Kit 096 8 ton Kit Controls Protocol 3 Controls Protocol Voltage P 90 250 1 60 NOTE Only Lennox VRF indoor units will work with Lennox VRF outdoor units and associated mechanical equipment Lennox Mini Split indoor units are similar in appearance but must not be connect...

Страница 3: ...RF wired local controller V0STAT51P 3 is allowed with the AHU Control Kit Two typical application layouts are shown in Figure 1 and Figure 2 Designs with these kits require approval by the Lennox VRF Applications Team prior to installation VRF Figure 1 Electric Air Handler with Electric Auxiliary Heat AHU Control Kit 1 Outdoor Unit or MS Box 2 AHU Control Kit 3 Electronic Expansion Valve 4 Heating...

Страница 4: ... A 5 Entering Coil Temperature Sensor metered side Downstream of EXV T2A 6 Mid Coil Temperature Sensor T2 7 Coil 8 Suction Line Temperature Sensor T2B 9 Blower 10 Return Air Temp Sensor T1 11 Controller 12 Suction Line 13 Liquid Line 14 Gas Furnace NOTE All AHU Control Kit Components are listed in Cooling Configuration ...

Страница 5: ...HUK02 3P Φ3 8 10 mm V8AHUK03 3P and V8AHUK04 3P Liquid line connection to indoor unit field provided swage connection AHU Control Box Top Use 4 ST3 9X25 or other appropriate fixing method to secure the AHU control box AHU Control Box Front NOTE A maximum of 4 12 AWG cabling can be used per 7 8 electrical inlet port A maximum of 18 communication cables can be used per 1 1 8 electrical port NOTE Hig...

Страница 6: ...rovided swage connection 3 8 in 10 mm Outlet to indoor coil field provided swage connection 3 8 in 10 mm Access panels are a requirement for system commisioning and future preventative maintenance SIDE VIEW 24 610 mm Required Suitably sized access panel required to provide full access to electric panel Figure 4 AHU Control Kit Clearances ...

Страница 7: ...e shown in Figure 1 and Figure 2 Designs with these kits require approval by the Lennox VRF Applications Team prior to installation Liquid line connection to outdoor unit field provided swage connection Ø 3 8 10 mm Liquid line connection to indoor unit field provided swage connection Ø 3 8 10 mm Line Voltage Inlets 7 8 in 22 mm Low Voltage Inlets 1 1 8 in 29 mm BOTTOM VIEW Figure 5 Refrigerant Pip...

Страница 8: ... 4 36 501 48 500 141 246 283 1 310 V8AHU048 3P 0 B 4 5 48 501 54 500 234 276 569 1 469 V8AHU096 3P 0 C 5 54 501 60 500 234 331 569 1 763 V8AHU096 3P 0 D 6 60 501 72 500 234 441 569 2 350 V8AHU096 3P 0 F 8 72 501 96 500 234 495 569 2 633 V8AHU096 3P 1 0 10 96 501 120 500 527 620 776 3 299 V8AHU096 3P main V8AHU048 3P 0 F 0 B 12 120 501 144 500 527 744 776 3 959 V8AHU096 3P main V8AHU048 3P 1 0 0 B ...

Страница 9: ...VRF Indoor Units 1 50 130 Capacity of VRF indoor units AHU kits not included shall not be less than 50 of outdoor capacity NOTE Air flow rate shall not exceed 400 CFM Ton Table 3 Allowed Indoor Unit Outdoor Unit Capacity Ratio Designs with these kits require approval by the Lennox VRF Applications Team prior to installation ...

Страница 10: ...AHU Control Kit Box is designed for indoor installation only EXV of the kit may be moved out of the box and installed separately close to the 3rd coil See Figure 6 AHU Control Kit Box ambient temperature range is 13 F 25 C to 125 F 51 7 C Locate the AHU Control Kit Box so that it is not exposed to direct sunlight or rain AHU Control Kit Box shall be installed vertical when the EXV is inside the bo...

Страница 11: ...ontrol Box Top AHU Control Box Bottom AHU Control Box Bottom NOTE 1 When the EXV is not inside of the box the box is not position sensitive 2 The box can be mounted in a vertical upright orientation or it can be mounted in a horizontal or sideways orientation 3 Install the box straight up and down not at an angle 4 Locate the control box near the indoor unit coil so that connective piping does not...

Страница 12: ...NOTE 1 The EXV is position sensitive in or out side of the factory enclosure 2 The EXV must be mounted in a vertical upright orientation 15 only 3 Locate the EXV near the indoor unit coil so that connective piping does not exceed 16 ft 5 m FRONT VIEW 15 15 15 15 FRONT VIEW ...

Страница 13: ... Installation Steps 1 Determine best location and set furnace coil and outdoor unit 2 Prepare the indoor unit coil for brazing 3 Run vapor line piping between the outdoor unit and the indoor unit coil 4 Connect liquid line piping between the outdoor unit and the control box 5 Connect liquid line piping between the control box and the indoor unit coil 6 Mount coil sensor sockets to coil at the loca...

Страница 14: ...m the outdoor unit to the indoor unit coil The liquid line is run from the outdoor unit to the AHU Control Box or EXV if removed from the box and then from the AHU Control Box or EXV if removed from the box to the indoor unit coil Piping limitations shall be followed in all applications Contact VRF Technical Support 1 844 438 8731 with any questions NOTE See Refrigerant Pipe Selection Table to siz...

Страница 15: ...nd discard any metering device TXV orifice piston and cap tube etc from the coil it will not be used See Figure 10 2 Remove any rubber rings or seals 3 Braze the three temperature sensor mounting sockets onto the coil at the locations shown in Figure 18 Make sure the socket opening is downward to avoid condensate accumulation Prepare Indoor Unit Coil 4 Braze the liquid line from the AHU control bo...

Страница 16: ...Box The EXV may be removed from the control box and positioned in an external location Follow these steps to remove the EXV from the box 1 Remove the front cover from the box by removing four screws and plastic washers See Figure 7 Figure 11 Remove Front Cover 2 Remove the two 2 screws securing the electrical control board assembly See Figure 12 3 Flip the electrical control board assembly forward...

Страница 17: ... areas Wear gloves and protective goggles or face shield to protect against burns Wash hands with soap and water after handling brazing alloys and flux IMPORTANT Refrigerant lines must be clean dry refrigerant grade copper lines Air handler coils should be installed only with specified line sizes for approved system combinations Handle refrigerant lines gently during the installation process Sharp...

Страница 18: ...cations cable two core shielded cable Refer to unit nameplate for rated voltage 3 Use the optional extension cable kit V0CTRL93P 1 cat 14R84 to locate the receiver display a distance from the control box Connect properly sized power wiring and two system communication or four conductor VRF controller shielded communication and control cables as shown WARNING Isolate the power supply before accessi...

Страница 19: ...r To Wire Controller comm bus Y X P 12V GND HA HB Q Occupancy sensor CN1 PWV A PWV B 2V Factory Default 7V Factory Default 10V Factory Default RL1 RL3 RL2 RED WHITE BLUE BLACK XS2 XS4 XS6 XS8 XS1 XS3 XS5 XS7 XS9 XS11 XP11 XP2 XP4 XP6 XP8 XP1 XP5 XP3 XP7 XP9 A2 A1 11 14 A2 A1 11 14 A2 A1 11 14 1 Refer to manual for communication wiring 2 Please use the 2 conductor shielded twisted cable for communi...

Страница 20: ...AHU Control Kit Dedicated breaker Service Disconnect L1 L2 L1 L2 Fuse Service Disconnect L1 L2 Fuse Service Disconnect L1 L2 Fuse Service Disconnect L1 L2 Fuse Outdoor Unit Main Unit L1 L2 L3 Outdoor Unit Sub1 unit L1 L2 L3 Outdoor Unit Sub2 Unit L1 L2 L3 L1 L2 L3 L1 L2 L3 L1 L2 L3 L1 L2 L3 L1 L2 L3 L1 L2 L3 Service Disconnect Service Disconnect Service Disconnect Always follow NEC CEC and Local C...

Страница 21: ...agram NEC CEC and Local Codes apply Outdoor unit Outdoor unit sub1 unit Outdoor unit sub2 unit PQ main unit PQ MS Box PQ PQ MS Box PQ PQ H1 H2 H1 H2 H1 H2 Outdoor Unit Communication Terminal Block P Q H1 H2 X Y O A K1 K2 MS Box Communication Terminal Block P Q Indoor Unit Communication Terminal Block HA HB 12V COM P Q Ground drain wire or cable shield to MS Box and Outdoor Unit chassis Install a t...

Страница 22: ... the air handler unit return air inlet or inside of the zone being served by the air handler See Figure 18 Figure 17 Sensor Identification Connect Sensors T2 T2A T2B T1 Figure 18 Indoor Unit Coil Component Identification T2B Connect vapor line from outdoor unit T2A T2A T2 Position between 25 and 50 height of the coil in gravity direction T2B NOTE Coil Sensors should be installed after brazing has ...

Страница 23: ...REE AUXH closed or open by thermostat in addition to HP When Ta 1 FREE AUXH closed or open by thermostat HP never on IDU fan speed control T4 Ta 2 F speed is determined by kit T4 Ta 4 F speed is determined by kit T4 Ta switch to alternative heat T4 Ta speed is determined by gas furnace AHU controller See the SW1 details in the Configure DIP Switches section for details An example for alternative h...

Страница 24: ... Setting in VRF on ODU LCD Module number and tempera ture F Ta Setting in Mini VRF on ODU Control Board number only 1 FREE default 1 2 7 2 3 10 3 4 15 4 5 20 5 6 25 6 7 30 7 8 35 8 9 40 9 10 45 10 11 50 11 12 55 12 13 60 13 14 65 14 15 70 15 16 75 16 17 80 17 ...

Страница 25: ...ble Speed Output Signal output analog VDC 0 10V CN61 Table 6 Fan Speed Control Input and Output Channels In cooling operation fan speed is determined by the ther mostat fan setting When set at AUTO the speed may vary and is determined by AHU control kit When set at high medium or low the speed is fixed The speed signal is transmitted at Ao AND one of Ho Mo or Lo In heat pump heating operation fan ...

Страница 26: ...s the total capacity of the kits Refer to Table 2 for allowed combinations Dry contact AUXH is set to alternative heat ALT default Dry contact AUXH is set to auxiliary heat AUX ON 1 SW1 ON 1 SW1 AHU Control Kit Quantity Address Setting SW2 1 and SW2 2 define the quantity 1 4 of kits connects in parallel to control one large AHU SW2 3 and SW2 4 define the address of each kit See Figure 20 Main AHU ...

Страница 27: ...b kit 1 Sub kit 2 X Y X Y X Y Main kit Sub kit 1 X Y X Y 00 Main kit address is 0 10 Sub kit address is 2 11 Sub kit address is 3 01 Sub kit address is 1 10 Sub kit address is 2 01 Sub kit address is 1 ON 1 2 3 4 SW2 10 Quantity of sub kits is 2 total quantity of kits is 3 00 Main kit address is 0 ON 1 2 3 4 SW2 01 Quantity of sub kits is 1 total quantity of kits is 2 00 Main kit address is 0 NOTE...

Страница 28: ...trol section NOTE Dip switch handle location is shown as a solid black box in the tables 0 OFF down 1 ON up NOTE Turn off power to the unit before setting the dial dip switch The function will be available when the unit is powered on again DEH Dehumidification Control Logic Setting SW3 3 defines the normal open or normal closed status of dehumidification relay output DEH dry contact 24V 1A max at ...

Страница 29: ...sub kits SW5 3 defines whether the parallel kits connect to single coil or each kit of the parallel set connects to a coil SW5 3 set at 0 default indicates 2 3 or 4 kits are wired in parallel to regulate the refrigerant flow to single coil Four 4 temperature sensors T1 T2 T2A and T2B from the main kit are placed in the AHU Four 4 temperature sensors from each of the sub kits shall be disconnected ...

Страница 30: ...n 7V medium and 10 V high digital output of high speed Ho is closed and analog output Ao is 8VDC which is always the same as analog input Ai When the kit receives 2 or 3 digital signals at Hi Mi and Li at the same time and no analog signal Ai the highest speed signal overrides the lower ones When both digital input and analog input signals are re ceived at the same time error code H9 shall display...

Страница 31: ... Four 4 Parallel Kits Connecting Four 4 Coils Individually Connect to Coil Connect to Coil Connect to Coil Connect to Coil Connect to Outdoor Unit Branch Pipe Kit NOTE Observe 24 in straight pipe requirement on each side of branch pipe kit See Figure 25 NOTE Observe 24 in straight pipe requirement on each side of branch pipe kit See Figure 25 ...

Страница 32: ...nection 24 in 610 mm required 36 in 914 mm preferred before the first long radius bend or branch pipe connection Figure 25 24 to 36 Inches of Straight Pipe Before and After Branch Pipe Kit NOTE Reference and adhere to branch pipe kit installation instructions requirements for installation positioning ...

Страница 33: ...n Shown FAN FAN CTON HTON AUXH Y G W CTON HTON AUXH R C 24V 1A X6 24VAC 1 Cooling Speed Wiring DEH OPT DEH OPT Ho L Mo Lo C ML180 0 250V 1A X3 P3 AHU Control Kit Example Furnace LII ML180UH EL196UH 1 cooling HP spd 1 ALT spd 2 of 4 speed choices 1 low red 2 yellow 3 brown 4 high black AHU kit sets ALT for furnace ...

Страница 34: ... 24VAC 2 Cooling Speeds Wiring DEH OPT DEH OPT Ho L Mo Lo C X X X 0 250V 1A X3 P3 AHU Control Kit Example Furnace LII EL296E 2 cooling HP spd use 1 stage thermostat DIP1 1 2nd stg gas turns on by time 7 5 0 default or 12 min 1 set at furnace DIP2 ALT spd set by furnace control 2 speeds H L set at AHU kit SW5 1 2 01 RLY H TPST H1 H2 RLY L SPST H L FIELD SUPPLIED L1 RLY H N O 2 RLY H N O 1 RLY L N O...

Страница 35: ...ault or 12 min 1 set at furnace DIP2 ALT spd set by furnace control fan set at 38 00 default or 28 01 at DIP14 15 FAN FAN CTON HTON AUXH W1 W2 G Y2 Y1 R DH L O DS CTON HTON AUXH C C 24V 1A X6 W951 HP R O W914 DEH R DS W915 2 CMP Y1 Y2 24VAC DEH OPT DEH OPT Ho L Mo Lo C RLY M DPST RLY H TPST H1 H2 H3 RLY L SPST X X X EL296UH090XV60C 0 250V 1A X3 P3 AHU Control Kit H M L FIELD SUPPLIED M1 M2 L1 RLY ...

Страница 36: ...Speed Connection Shown 1 Cooling Speed Wiring Example AHU LII CBX27UH TSA TPA TAA fan speed set at tap 4 FAN FAN CTON HTON AUXH R 3 W 2 W 1 W G 2 Y 1 Y O S D CTON HTON AUXH C 24V 1A X6 2 CMP Y1 Y2 24VAC DEH OPT DEH OPT Ho L Mo Lo C CBX27UH 0 250V 1A X3 P3 AHU Control Kit ...

Страница 37: ...D ID Blower FAN FAN CTON HTON AUXH C B A F T S L R S R M S E R D S CTON HTON AUXH STR 24V 1A X6 DEH OPT DEH OPT Ho L Mo Lo C 0 250V 1A X3 P3 AHU Control Kit RM RH ON 5V 12V C GND FAULT OUTPUT CN54 ON OFF INPUT VFD MITSUBISHI FR E700 LII AHU ELA240S4D 1Y INPUT COM LOW SPEED MEDIUM SPEED HIGH SPEED REV START FW START OUTPUT STOP RESET N O N C ...

Страница 38: ...O N C ANALOG COM FW START INPUT COM 0 10VDC LII AHU ELA240S4D 1Y Network Address and Commissioning After the system has been installed the AHU Control Board must be assigned an address as part of the commissioning procedure NOTE The receiver temperature unit display must be set at the same time as the controller Receivers default to display temperatures in F To change the receiver s temperature un...

Страница 39: ...e disconnect switch or circuit breaker call VRF Technical Support 1 844 438 8731 Figure 32 Receiver Display Error Code Description A0 Emergency stop D8 Remote Off E0 Mode conflict E1 Communication error between Main AHU Control Kit and Sub AHU Con trol Kit s H6 Communication error E2 T1 T0 Temperature sensor malfunction E3 T2 Middle of evaporator sensor malfunction E4 T2B Outlet of evaporator sens...

Страница 40: ...eck if there are too many inhabitants in the room Cooling effect decreases if heat gain of the room it too large Check if the heat source of the room is excessive Cooling effect decreases if heat gain of the room is too large The air handler unit is freezing up The liquid thermistor T2A is not put on the coldest position and part of the air handler unit is freezing up Thermis tor must be put on th...

Страница 41: ...e table is located on the unit service panel The diagnostic information can also be obtained using the wired remote controller Spot Check Instructions Use the Spot Check Performance tables below and the Manual button on the unit receiver to view diagnostic Table 12 Spot Check Performance Main Kit Table 13 Spot Check Performance Menu in Parallel Control Mode 1 SW5 3 0 information about the AHU Cont...

Страница 42: ... is located on the unit service panel The diagnostic information can also be obtained using the wired remote controller Check Value Date Initials 0 Normal display 1 Communication address of indoor unit 2 Dial code of indoor unit capacity 3 Network address of indoor unit 4 The actual setpoint temperature 5 The actual indoor temperature T1 6 The actual evaporator inlet temperature sen sor T2 7 The a...

Страница 43: ...43 ...

Страница 44: ...om Reference and adhere to the latest revision of the installation instructions Installation instructions can be downloaded from www lennoxvrf com www lennoxcommercial com www lennoxpros com and the Lennox VRF and Mini Splits app Download the app from the Apple App Store or the Google Play store ...

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