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Figure 14. Typical Refrigerant Piping Diagram

(048)

(024)

(018)

(009)

(048)

(009)

(024)

N10

(018)

N11

(048)

N12

(048)

N13

(018)

L13

L11

L10

L12

MS1

MS2

MS3

MS4

MS5

MS6

MS7

(144)

NOTE -

Indoor and outdoor unit

capacities are shown in parenthesis.

LEGEND

Branch Pipe

Mode Selection

Box (MS)

Indoor Unit

(192)

Lead ODU

(120)

PIPE AND COMPONENT NAMES
Name

Designation

Outdoor Unit Connection Pipe

g1, g2, g3, G1

Outdoor Unit Branch Pipe Assembly

L, M

Main Pipe⁶

Indoor Unit Main Pipe

L2, L3, L4, L5, L6, L7, L8, L9, L10, L11, L12, L13

Branch Pipe Assembly between Main Pipe and Mode Selection Box (MS)

A, 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

Branch Pipe joint

a, g, j, k

Indoor Unit auxiliary pipe from Indoor Unit to the nearest Branch Pipe joint or

direct connected Mode Selection Box (MS)

b, c, d, e, f, h, i, l, m, n, p, q, r

Indoor Unit

N1, N2, N3, etc.

⁶ When the length of main pipe L1 is larger than 230 ft. (70m), the dip switch S9-2 should be ON.

INDOOR UNIT AUXILIARY PIPE SELECTION

(From Indoor Unit To The Nearest Branch Joint (a, b, c, d, e, f, g, h, i, j, k, l, m)

Indoor Unit

Capacity (kBtuh)

Pipe Diameter (in.)

Pipe length from indoor unit to nearest branch joint

Pipe length less than 100 ft (30 m)

Pipe length more than 100 ft (30 m)

Gas Pipe

Liquid Pipe

Gas Pipe

Liquid Pipe

A<18

1/2

1/4

5/8

1/4

18≤A≤54

5/8

3/8

3/4

3/8

54<A≤96

7/8

3/8

1-1/8

3/8

Содержание VPB Series

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 47: ...47...

Страница 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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