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©2019 Tecumseh Compressor Company LLC. All rights reserved.

TPC Part #71511 | Rev A 05/13/2019

www.tecumseh.com

Line Sizing

(Continued)

TABLE 6 – Recommended Line Sizes for R407

*

Suction Line Size

Maximum Suction Line Riser Size

Suction Temperature

R-407A/C/F Suction Temperature °F

+40 F° Equivalent Lengths

+20 F° Equivalent Lengths

+10 F° Equivalent Lengths

25’

50’

100’

150’

25’

50’

100’

150’

25’

50’

100’

150’

40

20

10

-10

-20

-30

-40

1,000

3/8

3/8

3/8

3/8

3/8

3/8

3/8

3/8

3/8

3/8

3/8

3/8

3/8

3/8

3/8

3/8

3/8

3/8

3/8

3,000

3/8

3/8

3/8

1/2

3/8

3/8

1/2

1/2

1/2

1/2

1/2

5/8

3/8

3/8

1/2

1/2

1/2

5/8

5/8

4,000

3/8

3/8

1/2

1/2

3/8

1/2

5/8

5/8

1/2

5/8

5/8

5/8

1/2

1/2

1/2

1/2

5/8

5/8

5/8

6,000

3/8

1/2

1/2

5/8

1/2

1/2

5/8

5/8

1/2

5/8

7/8

7/8

1/2

1/2

1/2

5/8

5/8

7/8

7/8

9,000

1/2

1/2

5/8

5/8

1/2

5/8

7/8

7/8

5/8

7/8

7/8

7/8

5/8

5/8

5/8

5/8

7/8

7/8

1-1/8

12,000

1/2

5/8

7/8

7/8

5/8

5/8

7/8

7/8

5/8

7/8

7/8

7/8

5/8

7/8

5/8

7/8

7/8

1-1/8 1-3/8

15,000

5/8

5/8

7/8

7/8

5/8

7/8

7/8

7/8

7/8

7/8

7/8

1-1/8

7/8

7/8

7/8

7/8

1-1/8 1-3/8 1-3/8

18,000

5/8

7/8

7/8

7/8

5/8

7/8

7/8

7/8

7/8

7/8

1-1/8 1-1/8

7/8

7/8

7/8

1-1/8 1-1/8 1-3/8 1-5/8

24,000

5/8

7/8

7/8

7/8

7/8

7/8

7/8

7/8

7/8

1-1/8 1-1/8 1-1/8

7/8

1-1/8

7/8

1-1/8 1-3/8 1-5/8 1-5/8

30,000

7/8

7/8

7/8

1-1/8

7/8

7/8

1-1/8 1-1/8

7/8

1-1/8 1-1/8 1-3/8

7/8

1-1/8 1-1/8 1-3/8 1-5/8 1-5/8 2-1/8

36,000

7/8

7/8

1-1/8 1-1/8

7/8

7/8

1-1/8 1-1/8 1-1/8 1-1/8 1-3/8 1-3/8 1-1/8 1-1/8 1-1/8 1-5/8 1-5/8 1-5/8 2-1/8

42,000

7/8

7/8

1-1/8 1-1/8

7/8

7/8

1-1/8 1-1/8 1-1/8 1-3/8 1-3/8 1-3/8 1-1/8 1-1/8 1-3/8 1-5/8 1-5/8 2-1/8 2-1/8

48,000

7/8

7/8

1-1/8 1-1/8

7/8

1-1/8 1-1/8 1-1/8 1-1/8 1-3/8 1-3/8 1-5/8 1-1/8 1-3/8 1-3/8 1-5/8 1-5/8 2-1/8 2-5/8

54,000

7/8

1-1/8 1-1/8 1-1/8

7/8

1-1/8 1-1/8 1-1/8 1-1/8 1-3/8 1-3/8 1-5/8 1-1/8 1-3/8 1-3/8 1-5/8 2-1/8 2-1/8 2-5/8

60,000

7/8

1-1/8 1-1/8 1-3/8 1-1/8 1-1/8 1-3/8 1-3/8 1-1/8 1-3/8 1-5/8 1-5/8 1-3/8 1-3/8 1-5/8 1-5/8 2-1/8 2-5/8 2-5/8

66,000

7/8

1-1/8 1-1/8 1-3/8 1-1/8 1-1/8 1-3/8 1-3/8 1-1/8 1-5/8 1-5/8 1-5/8 1-3/8 1-3/8 1-5/8 2-1/8 2-1/8 2-5/8 3-1/8

72,000

7/8

1-1/8 1-1/8 1-3/8 1-1/8 1-1/8 1-3/8 1-3/8 1-3/8 1-5/8 1-5/8 2-1/8 1-3/8 1-3/8 1-5/8 2-1/8 2-1/8 2-5/8 3-1/8

78,000

7/8 1 -1 /8 1-3/8 1-3/8 1-1/8 1-1/8 1-3/8 1-3/8 1-3/8 1-5/8 1-5/8 2-1/8 1-3/8 1-3/8 1-5/8 2-1/8 2-5/8 2-5/8 3-1/8

84,000 1-1/8 1-1/8 1-3/8 1-3/8 1-1/8 1-1/8 1-3/8 1-5/8 1-3/8 1-5/8 1-5/8 2-1/8 1-3/8 1-5/8 1-5/8 2-1/8 2-5/8 3-1/8 3-1/8
90,000 1-1/8 1-3/8 1-3/8 1-3/8 1-1/8 1-3/8 1-5/8 1-5/8 1-3/8 1-5/8 2-1/8 2-1/8 1-3/8 1-5/8 1-5/8 2-1/8 2-5/8 3-1/8 3-1/8
120,000 1-1/8 1-3/8 1-5/8 1-5/8 1-1/8 1-3/8 1-5/8 1-5/8 1-5/8 2-1/8 2-1/8 2-1/8 1-5/8 1-5/8 1-5/8 2-5/8 3-1/8 3-1/8 3-5/8

*NOTES:
1. Sizes that are highlighted indicate maximum suction line sizes that should be used for risers. Riser size should not exceed horizontal size.
2. All sizes shown are for O.D. Type ”L“ copper tubing.
3. Suction line sizes selected at pressure drop equivalent to 2°F. Reduce estimate of system capacity accordingly.

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Содержание Argus

Страница 1: ...Remote Condensing Unit Installation Instructions ...

Страница 2: ...RANT FLOODING CHARGE 9 REFRIGERATION OILS 9 Approved Hermetic Compressor Refrigerant Oils 9 POLYOL ESTER LUBRICANTS 10 HYGROSCOPICITY 10 Color 10 SYSTEM START UP PROCEDURE 10 SYSTEM BALANCING COMPRESSOR SUPERHEAT 11 GENERAL SEQUENCE OF OPERATION 12 Refrigeration Cycle 12 Defrost Cycle 12 Electric Defrost Troubleshooting 13 Timer 13 Operation of Paragon Timer 13 Operation of Grasslin Timer 13 Opera...

Страница 3: ...ese outdoor air cooled condensing units carefully consider these important factors Weight of the unit If units are installed on the roof their weight and weight distribution should be checked against the building specifications and the local building codes Distance of the unit to the refrigerated cabinet Distance to the power supply Space around the condensing unit and in between adjacent units Th...

Страница 4: ... be a minimum of W away from any wall or obstruction It is preferred that this distance be increased whenever possible Care should be taken to see that ample room is left for maintenance work through access doors and panels Overhead obstructions are not permitted When the unit is in the area where it is enclosed by three walls the unit must be installed as indicated for units in a pit W Total widt...

Страница 5: ...rner formed by two walls may result in discharge air recirculation with resulting loss of capacity Roof Mounting Due to the weight of the units a structural analysis by a qualified engineer may be required before mounting Roof mounted units should be installed level on steel channels or an I beam frame capable of supporting the weight of the unit Vibration absorbing pads or springs should be insta...

Страница 6: ...moisture and dirt and remove any burrs present on the tubes The thermostatic expansion valve must be the externally equalized type It can be mounted inside the unit cooler end compartment Mount the expansion valve bulb on a horizontal run of suction line as close as possible to the suction header Use the clamps provided with the valve to fasten the bulb securely so there is a tight line to line co...

Страница 7: ...e if a heat exchanger is required or not The use of a suction to liquid heat exchanger may be used to subcool the liquid to prevent flashing This method of subcooling will normally provide no more than 20 F subcooling on high pressure systems The amount of subcooling will depend on the design and size of the heat exchanger and on the operating suction and discharge pressures An additional benefit ...

Страница 8: ...e when exposed to pressures greater than approximately 15 psig 3 Combining an oxidizing gas such as oxygen or air with an HCFC or HFC refrigerant under pressure can result in a fire or explosion Use a pressure regulating valve and pressure gauges Commercial Cylinders of nitrogen contain pressures in excess of 2000 psig at 70 F At pressures much lower than 2000 psig compressors can explode and caus...

Страница 9: ...sive high pressure It is recommended to disconnect the low pressure or the low side of the dual pressure control prior to pressurization SYSTEM EVACUATION Following the pressure testing for leaks the system must be evacuated Confirm system pressure of 0 psi before connecting vacuum pump to system Use a vacuum pump not a compressor to draw a vacuum of 500 microns or less from both sides of the syst...

Страница 10: ...rranty Do not overcharge a refrigeration or air conditioning system Overcharging a refrigeration or air conditioning system can result in explosion To avoid serious injury or death never overcharge the system Always use proper charging techniques Limit charge amounts to those specified on the system equipment serial label or in the original equipment manufacturer s service information Overcharging...

Страница 11: ...uces the flow and causes the level of liquid refrigerant to rise in the condenser This flooding of the condenser with liquid refrigerant reduces the available condensing surface holding the condensing pressure at the valve setting See Figure 5 REFRIGERANT FLOODING CHARGE TheRefrigerantFloodingChargeTables appendix summarizethecoilchargesforARGUSOutdoorCondensingUnits Winter charge assumes 90 flood...

Страница 12: ...rmupthecompressorbyapplyingaflametothecrankcase Turn on the electrical power to the condensing unit and unit cooler s The compressor will start when the low pressure control closes and the pressure rises Always re assemble the enclosure panels when start up job is completed Make sure all panels are secure and panel screws are properly tightened POLYOL ESTER LUBRICANTS POE s must be used if HFC ref...

Страница 13: ...failure of the bearings and rings or in the extreme case valve failure Too high a suction superheat will result in excessive discharge temperatures which cause a breakdown of the oil and results in piston ring wear piston and cylinder wall damage It should also be remembered that the system capacity decreases as the suction superheat increases For maximum system capacity suction superheat should b...

Страница 14: ...he room thermostat 12 Frost starts to form on the evaporator coil and continues to form until the defrost cycle is initiated Defrost Cycle 1 The defrost cycle starts automatically by the timer at predetermined times Typical settings are two to four defrost cycles per day for freezers For heavier frost loads additional settings may be required 2 Switch 2 to 4 opens in the timer which breaks the cir...

Страница 15: ...hite tab tripper on the outer dial outward at each desired initiation time Each white tab tripper is a 15 minute interval and provides 15 minutes of defrost for longer defrost duration move additional tabs following in time from the initiation tab For example if a 45 minute defrost is to start at 7 00 AM move the tabs outward that lie between 7 00 7 15 7 15 7 30 and 7 30 7 45 on the AM side of the...

Страница 16: ...s stop the unit disconnect power and correct the malfunction accordingly Re check after 48 hours of operation for loose electrical connections abnormal vibrations that may have developed refrigerant charge and correct any probable malfunction observed Always re assemble the enclosure panels when operational check out procedure is completed Never leave loose or not properly tightened panels FIELD W...

Страница 17: ...draw Inspect refrigerant level in the system Check and make sure that the condenser surface is clean and free of dirt and debris Inspect the operation of the control system Make sure that all of the safety controls are operational and functioning properly Check all refrigeration piping Make sure that all mechanical joints and flare nuts are tight Always re assemble the enclosure panels when mainte...

Страница 18: ... or Electrical Service Guidebook on our website at www tecumseh com QUESTIONS AND SUPPORT Tecumseh Tech Support 800 211 3427 or Email technical service tecumseh com Tecumseh reserves the right to change any information in this publication at any time This document is not intended to replace the training required for professional service personnel or replace other information available from refrige...

Страница 19: ... TEMPERATURE DEG F 40 20 0 20 1 2 3 4 Small Frame w RTPF 2R 506 10209 1 3 1 9 2 5 3 0 1 1 1 4 Small Frame w RTPF 3R 506 10210 1 6 2 5 3 3 4 2 1 2 3 4 1 1 1 4 Small Frame w MC 506 10216 1 3 1 8 2 3 2 9 2 2 4 5 Medium Frame w RTPF 3R 506 10212 3 6 5 3 7 0 8 7 2 2 4 5 Medium Frame w MC 506 10217 2 7 3 5 4 3 5 1 3 4 Large Frame w RTPF 2R 506 10213 3 9 6 0 8 2 10 3 5 6 Large Frame w RTPF 3R 506 10214 4...

Страница 20: ...ecumseh Compressor Company LLC All rights reserved TPC Part 71511 Rev A 05 13 2019 www tecumseh com 91292 CU Wiring Diagrams 91293 115 230 Volt 1 Phase 1 Fan Motor 208 230 Volt 1 Phase 2 Fan Motors 1 Fan Control ...

Страница 21: ...ng Unit Installation Instructions 2019 Tecumseh Compressor Company LLC All rights reserved TPC Part 71511 Rev A 05 13 2019 www tecumseh com 91293 1 91294 200 230 Volt 3 Phase 2 Fan Motors 200 230 Volt 3 Phase 1 Fan Motor ...

Страница 22: ...20 2019 Tecumseh Compressor Company LLC All rights reserved TPC Part 71511 Rev A 05 13 2019 www tecumseh com 91294 1 200 230 Volt 3 Phase 1 Fan Motors Continued CU Wiring Diagrams ...

Страница 23: ... 48 0 10 0 16 0 25 0 37 0 54 R 507 R 404A 21 2 1 92 0 15 0 23 0 37 0 51 0 72 1 1 8 R 407 23 8 2 60 0 10 0 16 0 25 0 37 0 54 R 448A R 449A 38 4 2 53 0 17 0 27 0 42 0 63 0 92 R 507 R 404A 36 1 3 27 0 26 0 39 0 63 0 86 1 24 1 3 8 R 407 40 7 3 96 0 17 0 27 0 43 0 63 0 93 R 448A R 449A 58 4 3 85 0 25 0 41 0 64 0 96 1 40 R 507 R 404A 55 0 4 98 0 40 0 58 0 95 1 32 1 87 1 5 8 R 407 61 8 5 61 0 26 0 41 0 6...

Страница 24: ...3 1 1 6 5 1 7 8 7 2 3 10 9 2 8 13 0 3 4 17 4 4 5 21 7 5 6 32 6 8 3 43 5 10 9 R 507 R 404A 4 1 1 1 6 1 1 6 8 2 2 1 10 2 2 7 12 2 3 3 16 3 4 1 20 4 5 6 30 6 8 3 40 8 11 8 TABLE3 EquivalentFeetofPipeDuetoValveandFittingFriction Copper Tube 0 D Type L 1 2 5 8 7 8 1 1 8 1 3 8 1 5 8 2 1 8 2 5 8 3 1 8 3 5 8 4 1 8 5 1 8 6 1 8 Globe Valve Open 14 16 22 28 36 42 57 69 83 99 118 138 168 Angle Valve Open 7 9 ...

Страница 25: ...D 3 000 50 3 8 3 8 3 8 3 8 100 3 8 3 8 3 8 3 8 6 000 50 3 8 3 8 1 2 3 8 100 1 2 3 8 1 2 3 8 9 000 50 1 2 3 8 1 2 3 8 100 1 2 3 8 1 2 3 8 12 000 50 1 2 3 8 1 2 3 8 100 5 8 3 8 5 8 1 2 18 000 50 5 8 3 8 5 8 1 2 100 5 8 3 8 7 8 1 2 24 000 50 5 8 0 5 8 1 2 100 7 8 1 2 7 8 5 8 36 000 50 7 8 1 2 7 8 5 8 100 7 8 5 8 7 8 7 8 48 000 50 7 8 5 8 7 8 5 8 100 7 8 7 8 1 1 8 7 8 60 000 50 7 8 5 8 7 8 7 8 100 1 1...

Страница 26: ...1 1 8 1 1 8 1 3 8 1 3 8 7 8 1 1 8 1 1 8 1 1 8 1 1 8 1 3 8 1 3 8 42 000 7 8 7 8 1 1 8 1 1 8 1 1 8 1 1 8 1 3 8 1 3 8 1 1 8 1 1 8 1 3 8 1 3 8 7 8 1 3 8 1 3 8 1 3 8 1 3 8 1 5 8 1 5 8 48 000 7 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 3 8 1 3 8 1 1 8 1 1 8 1 3 8 1 5 8 7 8 1 3 8 1 3 8 1 3 8 1 3 8 1 5 8 1 5 8 54 000 7 8 1 1 8 1 1 8 1 3 8 1 1 8 1 1 8 1 3 8 1 3 8 1 1 8 1 3 8 1 3 8 1 5 8 1 1 8 1 3 8 1 3 8 1 3 8 1 3...

Страница 27: ... 8 1 3 8 1 3 8 3 8 1 2 1 2 1 2 36 000 1 1 8 1 1 8 1 3 8 1 3 8 1 1 8 1 1 8 1 3 8 1 3 8 1 1 8 1 3 8 1 3 8 1 3 8 1 1 8 1 3 8 1 3 8 1 5 8 1 2 1 2 1 2 1 2 42 000 1 1 8 1 3 8 1 3 8 1 5 8 1 1 8 1 3 8 1 5 8 1 5 8 1 1 8 1 3 8 1 3 8 1 5 8 1 1 8 1 3 8 1 3 8 1 5 8 1 2 1 2 1 2 5 8 48 000 1 1 8 1 3 8 1 3 8 1 5 8 1 1 8 1 3 8 1 5 8 1 5 8 1 1 8 1 3 8 1 3 8 1 5 8 1 1 8 1 3 8 1 3 8 1 5 8 1 2 1 2 5 8 5 8 54 000 1 3 8...

Страница 28: ...8 1 3 8 1 1 8 1 1 8 1 1 8 1 5 8 1 5 8 1 5 8 2 1 8 42 000 7 8 7 8 1 1 8 1 1 8 7 8 7 8 1 1 8 1 1 8 1 1 8 1 3 8 1 3 8 1 3 8 1 1 8 1 1 8 1 3 8 1 5 8 1 5 8 2 1 8 2 1 8 48 000 7 8 7 8 1 1 8 1 1 8 7 8 1 1 8 1 1 8 1 1 8 1 1 8 1 3 8 1 3 8 1 5 8 1 1 8 1 3 8 1 3 8 1 5 8 1 5 8 2 1 8 2 5 8 54 000 7 8 1 1 8 1 1 8 1 1 8 7 8 1 1 8 1 1 8 1 1 8 1 1 8 1 3 8 1 3 8 1 5 8 1 1 8 1 3 8 1 3 8 1 5 8 2 1 8 2 1 8 2 5 8 60 00...

Страница 29: ...8 2 1 8 1 3 8 1 5 8 2 1 8 2 1 8 3 8 1 2 1 2 1 2 36 000 1 1 8 1 3 8 1 3 8 1 5 8 1 3 8 1 3 8 1 5 8 2 1 8 1 3 8 1 5 8 2 1 8 2 1 8 1 5 8 2 1 8 2 1 8 2 1 8 3 8 1 2 1 2 5 8 42 000 1 3 8 1 3 8 1 5 8 2 1 8 1 3 8 1 5 8 2 1 8 2 1 8 1 5 8 1 5 8 2 1 8 2 1 8 1 5 8 2 1 8 2 1 8 2 5 8 3 8 1 2 1 2 5 8 48 000 1 3 8 1 5 8 1 5 8 2 1 8 1 3 8 1 5 8 2 1 8 2 1 8 1 5 8 2 1 8 2 1 8 2 1 8 1 5 8 2 1 8 2 1 8 2 5 8 1 2 1 2 5 8...

Страница 30: ...1 3 8 1 3 8 7 8 1 1 8 1 1 8 1 1 8 1 1 8 1 3 8 1 3 8 42 000 7 8 7 8 1 1 8 1 1 8 1 1 8 1 1 8 1 3 8 1 3 8 1 1 8 1 1 8 1 3 8 1 3 8 7 8 1 3 8 1 3 8 1 3 8 1 3 8 1 5 8 1 5 8 48 000 7 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 3 8 1 3 8 1 1 8 1 1 8 1 3 8 1 5 8 7 8 1 3 8 1 3 8 1 3 8 1 3 8 1 5 8 1 5 8 54 000 7 8 1 1 8 1 1 8 1 3 8 1 1 8 1 1 8 1 3 8 1 3 8 1 1 8 1 3 8 1 3 8 1 5 8 1 1 8 1 3 8 1 3 8 1 3 8 1 3 8 1 5 8 1 5...

Страница 31: ... 2 1 2 36 000 1 1 8 1 1 8 1 3 8 1 3 8 7 8 1 1 8 1 1 8 1 3 8 1 1 8 1 1 8 1 3 8 1 3 8 1 1 8 1 3 8 1 3 8 1 5 8 3 8 1 2 1 2 1 2 42 000 1 1 8 1 3 8 1 3 8 1 5 8 1 1 8 1 1 8 1 3 8 1 3 8 1 1 8 1 1 8 1 3 8 1 3 8 1 1 8 1 3 8 1 3 8 1 5 8 3 8 1 2 1 2 1 2 48 000 1 1 8 1 3 8 1 3 8 1 5 8 1 1 8 1 1 8 1 3 8 1 3 8 1 1 8 1 1 8 1 3 8 1 5 8 1 1 8 1 3 8 1 3 8 1 5 8 1 2 1 2 1 2 1 2 54 000 1 3 8 1 3 8 1 5 8 1 5 8 1 1 8 1...

Страница 32: ... motor G Gold G tube and fin with high efficient EC fan motor C Custom BOM Nomenclature Example 2JH200 PM First4to7digitsfollowsamespec today w NewPrefix FeaturePackage UnitConfiguration Additions J indoor JH outdoor JL indoor with controls JLH outdoor with controls Platinum P M F N G W disconnect switch Z e coating J indoor JH outdoor JL indoor with controls JLH outdoor with controls Silver S M F...

Страница 33: ...echanical trouble in compressor D Compressorstarts andruns butshort cyclesonthermal protector 1 Too much current passing through thermal protector a Extra sources of current draw b Compressor motor has winding shorted 2 Low voltage to compressor single phase or unbalanced voltage three phase 3 Compressor electrical problems such as thermal protector or run capacitor not working properly 4 Discharg...

Страница 34: ...ANT This start up information should be completely filled in for each installation and remain with the unit as a permanent record for future reference Type of System Cooler Freezer etc Design Box Temperature _________ºF _________ ºC Thermostat setting _________ºF _________ºC Unit model Evaporator s Manufacturer Unit serial Evaporator s QTY Compressor model Expansion valve Manufacturer Compressor s...

Страница 35: ...NOTES ...

Страница 36: ...pany LLC Subsidiary of Tecumseh Products Company LLC 5683 Hines Drive Ann Arbor MI 48108 800 211 3427 www tecumseh com 2019 Tecumseh Compressor Company LLC All rights reserved TPC Part 71511 Rev A 05 13 2019 www tecumseh com ...

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