background image

34

Figure 31. VRB144, 168, 192 - 230V

Figure 32. VRB144, 168, 192 - 460V

Reserved

To 
kilowatthour
meter

To
centralized
controller

208/230V-3Ph-60Hz

Power in

Green

XT1

L1

L1’

L2

L2’

L3

L3’

CN7

AC filter board A

CN1

CN2

CN3

CN4

CN5

CN6

U

V

W

Compressor

drive board A

Brown

Brown

Blue

Blue

CN3

C_P

C_N

DC fan drive 

board A

XS4

XS3

XP4

XP3

Fan A

Fan B

U

V

w

CT2

CT3

CN3

CN4/CN1

C_P

C_N

DC fan drive 

board B

CN1/CN4

Reactor A

Compressor A

IC8

Ferrite 

core

N=1

L1

L2

L3

CN10

CN8

CN9

K1 K2

O A

X Y

P Q

H1 H2

Signal wire terminal block

CN11

COMM. board

Ferrite core

Red

Black

AC filter 
board A

PCBA  Layout

Compressor

drive board A

DC fan drive 

board A

DC fan drive 

board B

Main board

COMM.

board

Up layer

Down layer

Left

Right

Green

P-IN

P-OUT

CN2

L1

L2

L3

CN15

CN14

CN6

CN7

TRANS

Red

Black

L1

L1’

L2

L2’

L3

L3’

CN47

CN7

AC filter board B

CN1

CN2

CN3

CN4

CN5

CN6

Reactor B

Green

U

V

W

Compressor

drive board B

Red

Red

IC8

CN2

L1

L2

L3

CN15

CEMENT RESISTOR

Red

Red

Green

Green

N=1

CN14

CT1

U

V

w

Compressor B

H-PRO-2

Green

L-PRO

TP2-PRO

T4   T3A

T3B

H-YL1

L-YL1

T6B T6A

T10

EE

VA

EEVC

EEVB

H-PRO-1

CT4

To MS or IDU 
communication
bus

To ODU 
communication
bus

CODE

NAME

ST1,ST2,ST3

Four-way valve

XT1

Terminal block

H-PRO-1

2

TP1-PRO

High pressure ON/OFF switch

Discharge temperature

ON/OFF switch

XS1-XS4

Plug

XP1-XP4

Jack

T3A,T3B,

T6A,T6B

Condenser or evaporator

temperature sensor

Outdoor ambient

temperature sensor

T4,T10

T7C1,T7C2

Discharge temperature 

sensor

TF1,TF2

Heat sink temperature sensor

L-YL1

H-YL1

Low pressure sensor

High pressure sensor

CT1

4,IC8

Current sensor

SV1

SV9

Solenoid valve

HEATA,HEATB

Crankcase heater

TP2-PRO

L-PRO

Low pressure ON/OFF switch

HEATC1

2

Chassis heater 

XP1 XS1

XP2 XS2

Note: 

Component in dash line is optional.

The wiring picture shown is for reference only, actual product may vary.

LCD board

CN1

CN2

Red

Black

CN1

CN3

Transformer

CN9/CN8

N-OUT

N-IN

CN9/CN8

CN70

EEVA

CN72

EEVC

CN71

EEVB

Main board

DSP1

DSP2

CN28

O-LCD

CN87

CN25

CN10

CN20

O-O

CN22

O-C

CN1

T4 T3A 

CN14

CN3

CN8

L-YL1

CN2

CN5

CN4

CN7

TF1

TF2

CN9

O-D

T7C2

H-YL1

CN15

CN100

CN30

CN21

CN27

CN26

CN16

CN17

CN18

CN19

CN23

CN91

O-C

T10

T7C1

T3B

T6A

O-FAN

T6B

CN29

O-LABK

CN58

CN85

ST2

CN84

HEATA

CN46

SV2

CN45

SV5

CN43

SV6B

CN40

SV8A

CN48

SV4

CN67_1

SV9

CN66_1

SV8B

CN76

HEATC1

CN75

HEATA

CN83

HEATB

CN42

ST3

CN44

ST1

HEATB

CN41

SV6A

CN47

HEATC2

CN67

SV7

CN66

ALM/SV1

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Brown
Brown

CN80

HEATA

HEATA

ST1

ST2

ST3

SV2

SV4

SV5

SV7

SV8A

HEATC1

HEATC2

Blue
Blue

SV8B

SV9

Brown
Brown

HEATB

HEATB

OK

UP

MENU DOWN

 Low ambient 

cooling kit board

TF1(TF2) TF2(TF1)

T7C1

T7C2

TP1-PRO

EEVA

C

Electronic expansion value

Emergency Stop Switch

Black

Black

Black

CN19

CN21

CN4

CN5

CN4/CN1
CN1/CN4

P-IN

P-OUT

N-OUT

N-IN

CN19

CN21

CN4

CN5

Blue

Ferrite core

N=1

Ferrite core

N=1

CEMENT RESISTOR

CN47

Red

Red

Red

Red

Ferrite core

N=3

Red

White

Black

Red

White

Black

Red

White

Black

Red

White

Blue

Red

White

Blue

Red

White

Blue

Red

Black

Blue

Red

White

Red

White

Blue

Red

White

Blue

Red

Black

Blue

Red

Black
Blue

Red

Black
Blue

Black

Black

CN88/

CN88_1

CN3

CODE

NAME

ST1,ST2,ST3

Four-way valve

XT1

Terminal block

H-PRO-1

2

TP1-PRO

High pressure ON/OFF switch

Discharge temperature

ON/OFF switch

XS1-XS2

Plug

XP1-XP2

Jack

T3A,T3B,

T6A,T6B

Condenser or evaporator

temperature sensor

Outdoor ambient

temperature sensor

T4,T10

T7C1,T7C2

Discharge temperature 

sensor

TF1,TF2

Heat sink temperature sensor

L-YL1

H-YL1

Low pressure sensor

High pressure sensor

CT1

4,IC8

Current sensor

SV1

SV9

Solenoid valve

HEATA,HEATB

Crankcase heater

460V-3Ph-60Hz

Power in

Green

XT1

L1

L1’

L2

L2’

L3

L3’

CN12

AC filter board A

CN1

CN2

CN3

CN4

CN5

CN6

U

V

W

N-OUT

Compressor

drive board A

Black

de

R

CN3

P

N

DC fan drive 

board A

Fan A

Fan B

U

V

w

CT2

CT1

CT3

Red

Red

CN3

P

N

DC fan drive 

board B

Reactor A

Compressor A

IC8

TP2-PRO

Ferrite 

core

N=2

L1

L2

L3

CN10

CN8

CN9

K1 K2

O A

X

Y

P Q

H1 H2

Signal wire terminal block

CN11

COMM. board

Ferrite core

N=2

Red

Black

AC filter 
board A

PCBA  Layout

Compressor

drive board A

DC fan drive 

board A

DC fan drive 

board B

Main board

COMM.

board

Up layer

Down layer

Left

Right

Green

P-in

CN2

L1

L2

L3

CN15

CN6

CN7

TRANS2

Red

Black

CN2

CN2

CN9

CN16

CN7

Blue

Red

Note: 

Component in dash line is optional.

The wiring picture shown is for reference only, actual product may vary.

L1

L1’

L2

L2’

L3

L3’

AC filter board B

CN1

CN2

CN3

CN4

CN5

CN6

Green

Reactor B

Green

U

V

W

Compressor

drive board B

Red

IC8

P-in

CN2

L1

L2

L3

CN15

CEMENT RESISTOR

Ferrite core

N=1

Green

Green

Ferrite 

core

N=2

CEMENT RESISTOR

Ferrite core

N=1

CN10

CN9
CN16

CN7

L-PRO

TP2-PRO

TP1-PRO

H-PRO-2

U

V

w

Compressor B

CN70

EEVA

CN72

EEVC

CN71

EEVB

Main board

DSP1

DSP2

CN28

O-LCD

CN87

CN25 CN10

CN20

O-O

CN22

O-C

CN1

T4 T3A 

CN14

CN3

CN8

L-YL1

CN2

CN5

CN4

CN7

TF1

TF2

CN9

O-D

T7C2

H-YL1

CN15

CN100

CN88/

CN88_1

CN30

CN21

CN27

CN26

CN16

CN17

CN18

CN19

CN23

CN91

O-C

T10

T7C1

T3B

T6A

O-FAN

T6B

CN29

O-LABK

CN58

CN85

ST2

CN84

HEATA

CN46

SV2

CN45

SV5

CN43

SV6B

CN40

SV8A

CN48

SV4

CN67_1

SV9

CN66_1

SV8B

CN76

HEATC1

CN75

HEATA

CN83

HEATB

CN42

ST3

CN44

ST1

HEATB

CN41

SV6A

CN47

HEATC2

CN67

SV7

CN66

ALM/SV1

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Brown
Brown

CN80

HEATA

HEATA

Blue

Blue

Brown
Brown

HEATB

HEATB

OK

UP

MENU DOWN

TF1(TF2)

T4 T3A

T3B

H-YL1

L-YL1

T6B T6A

T10

EE

VA

EEVC

EEVB

LCD board

H-PRO-1

CT4

Green

CN10

Blue

Red

Blue

Red
Red

Blue

CN2

XP1 XS1

XP2 XS2

L-PRO

Low pressure ON/OFF switch

HEATC1

2

Chassis heater 

Transformer

Transformer

Reserved

To 
kilowatthour
meter

To
centralized
controller

To MS or IDU 
communication
bus

To ODU 
communication
bus

ST1

ST2

ST3

SV2

SV4

SV5

SV7

SV8A

HEATC1

HEATC2

SV8B

SV9

Red

Black

CN9/CN8

CN9/CN8

P-OUT

N-in

Red

P-OUT

N-OUT

N-in

Ferrite 

core

N=1

TF2(TF1)

T7C1

T7C2

Green

EEVA

C

Electronic expansion value

Emergency Stop Switch

CN1

CN4

CN5

CN3

CN4/CN1
CN1/CN4

CN4/CN1
CN1/CN4

CN1

CN4

CN5

CN3

Blue

Ferrite core

N=1

Ferrite core

N=1

TRANSFORMER

Red

Red

Black

Black

Black

Black

Black

Red

Red

Red

White

Black

Red

White

Black

Red

White

Black

Black

Red

White

Blue

Red

White

Blue

Red

White

Blue

Red

Black

Blue

Red

Black
Blue

Red

White

Black

Red

White

Blue

Red

White

Blue

Red

Black

Blue

Red

Black
Blue

Black

Black

CN11

CN12

CN11

ES

UF

Red

Red

CN1 CN3

 Low ambient 

cooling kit board

Summary of Contents for VPB Series

Page 1: ...mage dan gerous operation serious injury or death Any additions changes or conversions required in order for the appliance to satisfactorily meet the ap plication needs must be made by a licensed prof...

Page 2: ...VRF and Lennox Mini Split products are similar in appearance to each other Refer to the unit s model number to determine if the unit is a VRF V or Mini Split M unit It is not possible to mix the two...

Page 3: ...DES FOR RIGGING 11 3 4 298 4 1 8 105 29 1 2 749 53 1 8 1349 BACK VIEW PARALLEL MODULE PIPING KNOCKOUT 52 3 4 1340 64 3 8 1635 SIDE VIEW 6 1 4 159 31 1 2 800 18 7 8 479 29 7 8 759 BASE PAN VIEW EE FF C...

Page 4: ...IEW EE FF CENTER OF GRAVITY FRONT VIEW FORKLIFT SLOT BOTH SIDES REFRIGERANT LINE PATH LAG BOLT DESIGNATION BOTH SIDES TO ACCESS LAG BOLT PARALLEL MODULE PIPING KNOCKOUT 30 762 18 7 8 479 72 1829 CORNE...

Page 5: ...de valve Liquid side pipe 5 8 in diameter 072 120 sizes 3 4 in diameter 144 192 sizes High pressure gas pipe 1 1 8 in diameter 072 120 sizes 1 3 8 in diameter 144 192 sizes Oil balance pipe 1 4 in dia...

Page 6: ...clearances the following items should be considered when setting the outdoor unit 2007 EPA Noise Policy Observe local code adoptions enforcement as consideration should be used when selecting an outd...

Page 7: ...4 to 20 102 to 508 39 991 39 991 39 991 Front Front Front Front 39 991 4 to 20 102 to 508 39 991 39 991 39 991 39 991 39 991 Front Front Front Front Front Front 4 to 20 102 to 508 Front Rear Lifting...

Page 8: ...scharge air The discharge duct should be installed to at least the height of the surrounding obstructions for ex walls to ensure that discharge air goes over the height of the obstruction Ensure that...

Page 9: ...fall from en tering air inlet and outlet Figure 6 Do Not Locate Where Drifting Will Occur Rear Front Snow Drifts Correct Installation Wrong Installation Rear Front Snowdrift Wind Snow level Snow Guard...

Page 10: ...Duct louvers will reduce air volume cooling and heating capacity and efficiency Louvers are not recommended if they are required by the job the louver angle should be no larger than 15 It may be nece...

Page 11: ...move first 8 ST3 9 self threading screws A A 12 in 305 mm B B 10 in 254 mm C C 118 1 8 in 3000 mm D D 24 in 610 mm E E A 24 in 610 mm F 24 in 610 mm 072 096 120 A A 12 in 305 mm B B 10 in 254 mm C C 1...

Page 12: ...0 24 11554 0 28 10655 0 32 9709 Static Pressure in wg Air Volume CFM 0 24544 0 04 24079 0 08 23559 0 12 22986 0 16 22360 0 2 21679 0 24 20945 0 28 20157 0 32 19315 6000 7000 8000 9000 10000 11000 1200...

Page 13: ...tains both refrigerant and oil Some rubber roofing material may absorb oil This will cause the rubber to swell when it comes into contact with oil The rubber will then bubble and could cause leaks Pro...

Page 14: ...5 m Level difference between indoor units 98 ft 30 m Piping length from the first branch pipe to the farthest indoor unit 132 295 ft 40 90 m For each branch pipe allow 20 508 mm of equivalent length C...

Page 15: ...etween all Mode Selection MS Boxes 1 When counting the total piping length double the actual length of the distribution pipes between first Branch Pipe joint and Mode Selection Box MS Installation Tot...

Page 16: ...B C D E F Mode Selection Box MS MS1 MS2 MS3 etc Branch Pipe Assembly between Mode Selection Box MS and Indoor Unit I II III IV Indoor Unit auxiliary pipe between Mode Selection Box MS and downstream...

Page 17: ...V8MSBP03 1 1 8 3 4 5 8 V8MSBP03 144 1 1 8 7 8 1 2 V8MSBP03 1 1 8 7 8 5 8 V8MSBP03 168 216 1 3 8 1 1 8 5 8 V8MSBP04 1 3 8 1 1 8 3 4 V8MSBP04 240 1 3 8 1 1 8 5 8 V8MSBP04 1 3 8 1 1 8 3 4 V8MSBP04 264 3...

Page 18: ...ch Pipe Kits V8IDBP01 V8IDBP02 V8IDBP03 V8IDBP04 V8IDBP05 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 Name Gas Side Joints inch Liquid Side Joints inch Insulation Material furnished 2 sets...

Page 19: ...1 ID 5 8 ID 3 4 OD 7 8 ID 1 2 ID 5 8 ID 3 4 OD 7 8 ID 7 8 OD 7 8 ID 7 8 ID 1 ID 5 8 ID 3 4 OD 7 8 ID 1 2 ID 5 8 ID 3 4 OD 7 8 ID 7 8 OD 7 8 ID 7 8 ID 1 ID 5 8 ID 3 4 OD 7 8 ID 1 2 ID 1 2 ID 5 8 OD 3 4...

Page 20: ...1 4 OD 1 1 8 ID 1 1 8 ID 3 4 ID 7 8 OD 1 1 8 ID 3 4 ID 7 8 OD 1 1 8 ID 5 8 3 4 Refrigerant Pipe 7 8 Refrigerant Pipe Cut Here Be sure to maximize the total length of the socket to ensure a good joint...

Page 21: ...pipe before and after each branch pipe kit to avoid creating refriger ant turbulence and flash points Failure to follow 24 inch minimum guideline can lead to reduced capac ity and equipment damage Fi...

Page 22: ...to 500 Microns 0 5 Torr or below for 4 hours 1 Refrigerant pipe 2 Part to be brazed 3 Reducer 4 Isolation valve 5 Pressure regulating valve 6 Oxygen free nitrogen Figure 21 Brazing Best Practices Tabl...

Page 23: ...size at 1 2 Total length ft of liquid piping size at 1 4 X 0 255 X 0 181 Liquid Line Additional Refrigerant lbs X 0 120 X 0 080 X 0 040 X 0 015 5 Calculate the additional refrigerant charge for each...

Page 24: ...17 73 17 42 VRB432H4M 17 73 17 73 VRB456H4M 17 73 17 73 VRB480H4M 17 73 17 73 Outdoor Unit Maximum Additional Refrigerant Charge lbs kg VRB072H4M 53 07 24 07 VRB096H4M 63 58 28 84 VRB120H4M 66 01 29...

Page 25: ...6k 48k 48k 12k 24k 36k 36k 48k 1 4 in 1 2 in 15 ft 3 8 in 5 8 in 20 ft 3 8 in 5 8 in 30 ft 3 8 in 5 8 in 15 ft 3 8 in 5 8 in 20 ft 5 8 in 7 8 in 1 1 8 in 50 ft 5 8 in 7 8 in 1 1 8 in 40 ft 7 8 in 1 1...

Page 26: ...devices and fusible plugs shall discharge to the atmosphere at a location not less than 15 ft 4 57 m above the adjoining ground level and not less than 20 ft Figure 22 Refrigerant Discharge 6 1 m fro...

Page 27: ...ed for bottom pipe entry For front pipe entry installation use parts in accessory bag 10 10 Correct Wrong Horizontal surface NOTE All the outdoor units manifolded together should be installed at the s...

Page 28: ...nce pipe 1 4 in diameter Figure 25 Connective Piping Sizes for Manifolded Outdoor Units To third outdoor unit in a triple module configuration Item N in outdoor branch pipe kit accessory Item P in out...

Page 29: ...tors are used for balancing pipes only U shaped connectors are combined in the field to connect refrigerant piping for the structure See Figure 26 Low Pressure Gas Side Joints inch Liquid Side Joints...

Page 30: ...on box for detailed installation information V8MSBB02 V8MSBB04 V8MSBB06 V8MSBB08 V8MSBB10 V8MSBB12 Indoor Unit Pipe Connec tions in Liq uid 1 4 3 8 1 4 3 8 1 4 3 8 1 4 3 8 1 4 3 8 1 4 3 8 Gas 1 2 5 8...

Page 31: ...first PCB 1 means the second PCB 2 means the third PCB ENC2 P Q CN13 CN12 POWER CN17 SV1B 1 SV2B 2 SV3B 3 SV4B 4 SV1A 1 SV2A 2 SV3A 3 SV4A 4 CN9 SVP Yellow Black Yellow Black Yellow Black Yellow Black...

Page 32: ...rming all of the pre commissioning steps Figure 28 Wiring Terminals This unit must be properly grounded and protected by a circuit breaker The ground wire for the unit must not be connected to a gas o...

Page 33: ...ack Black Red Black Blue Red Black Blue Black CN88 CN88_1 CN1 CN3 Figure 30 VRB072 096 120 460V 460V 3Ph 60Hz Power in Green XT1 L1 L1 L2 L2 L3 L3 CN12 AC filter board CN1 CN2 CN3 CN4 CN5 CN6 U V W CN...

Page 34: ...ed Black Blue Red Black Blue Black Black CN88 CN88_1 CN3 CODE NAME ST1 ST2 ST3 Four way valve XT1 Terminal block H PRO 1 2 TP1 PRO High pressure ON OFF switch Discharge temperature ON OFF switch XS1 X...

Page 35: ...enser Pipe T4 T3A 9 Detection Port of Condenser Pipe Temp T6B 10 Comm Port between Main Board Compressor Inverter Module 11 Comm Port between Outdoor Units 12 Wiring Port for Communication 13 Power In...

Page 36: ...me screen will display incoming voltage mode of operation compressor s frequency and operation status Press the Home Menu button to enter the service tool Press the Home button to cycle through the Ma...

Page 37: ...Outdoor left and right exchanger status COND COND COND OFF EVAP OFF EVAP EVAP COND EVAP COND CONDENSER EVAP EVAPORATOR Temp Sensor Data T2 AVERAGE 100 F Average of all indoor unit coil temperature T2...

Page 38: ...confirm the command TEST OPERATION Command select YES to enter and NO to exit and press Enter to confirm the command COOLING TEST Command select YES to enter and NO to exit and press Enter to confirm...

Page 39: ...rrent Protection amps 80 40 90 40 90 40 2 Minimum circuit ampacity 77 1 37 4 84 8 39 85 4 39 6 Compressor No of compressors 2 2 2 2 2 2 Rated load amps 31 30 15 14 34 34 15 5 15 34 5 34 16 15 Outdoor...

Page 40: ...ocation 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 aga...

Page 41: ...ol Mode 6 80 n47 Demand Control Mode 7 90 n5_ Snow Blowing Mode Setting n51 Exit Snow Blowing Mode n52 Snow Mode 1 High n53 Snow Mode 2 Low nA_ nA1 Compressor Lockout Temperature Set outdoor temperatu...

Page 42: ...ature T3B 18 Outdoor Air Temperature T4 19 Subcooler Inlet Temperature T6A 20 Subcooler Outlet Temperature T6B 21 Compressor A Discharge Temperature 22 Compressor B Discharge Temperature 23 Compressor...

Page 43: ...it When the compressor is operating the LED display shows the rotation frequency of the compressor Parameter Description Parameter Value Recorded Value 40 Reserved 41 Reserved 42 Reserved 43 Reserved...

Page 44: ...Indoor unit Indoor unit 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...

Page 45: ...ty sensitive Typical Wiring Diagram 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 Co...

Page 46: ...TC of filter board error OF3 Outdoor unit Subcooler Outlet Temperature sensor error OF5 Outdoor unit Subcooler Inlet Temperature sensor error OYF6 EEV A B C error Y will be 1 2 or 3 stands for A B C O...

Page 47: ...47...

Page 48: ...48 Technical Support 1 844 GET VRF1 1 844 438 8731 vrftechsupport lennoxind com www LennoxVRF com Download the app from the Apple App Store or the Google Play store...

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