Emerson Copeland Scroll ZO104KCE Application Engineering Bulletin Download

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AE4-1372 R4

Table 4

OMC CO2 Specifications

SPECIFICATIONS

OMC CO2

Maximum Working Pressure (MWP)

1885 PSIG (130 Bar)

Solenoid min/max OPD

1/1450 PSIG

Supply Voltage

120 V or 220-240V, 50/60 Hz

Solenoid Coil

EMF

Current Consumption

0.15 Amp (120V), 0.07 Amp (220-240V)

Time Delay for Low Level Signal

10 seconds

Time Delay After Setpoint Recovery

5 seconds

Alarm Delay Time (Including Alarm Contact)

120 seconds

Alar Switch

SPDT

Alarm Contact Rating

10A @ 120VAC 50/60Hz, 5A @ 250VAC 50/60 Hz, 3A@ 30 VDC

Refrigerant Temperature

-40° to 180°F (-40°C to 82.2°C) Maximum

Ambient Temperature - Storage

-40° to 120°F (-40°C to 48.9°C) Maximum

Ambient Temperature - Intermittent Duty

-40° to 120°F (-40°C to 48.9°C) Maximum

Oil Supply Fitting

1/4" Male SAE

(Brass)

Figure 1 CO2 Low Temp. Subcritical DX System

Summary of Contents for Copeland Scroll ZO104KCE

Page 1: ...pecially designed rubber grommets Kit 527 0157 00 12 Figure 3 Oil Management Control OMC CO2 12 Figure 4 Suction Side Pressure Relief Valve Requirements 13 Figure 5 Three Phase Power Circuit 14 Figure 6 ZO Compressor Operating Envelope 14 Figure 7 Compressor Electrical Connection 14 Revision Tracking R4 Pg 2 New Pressure Safety Icon added Pg 4 Caution tag added to superheat requirement Pg 4 Notes ...

Page 2: ...e safety instructions Safety Icon Explanation DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to ...

Page 3: ...and refrigeration oils Personal safety equipment must be used Failure to follow these warnings could result in serious personal injury BURN HAZARD Do not touch the compressor until it has cooled down Ensure that materials and wiring do not touch high temperature areas of the compressor Use caution when brazing system components Personal safety equipment must be used Failure to follow these warning...

Page 4: ... with R 410A air conditioning compressors which operate at similar pressure levels as CO2 compressors CO2 FOR LOW TEMPERATURE APPLICATIONS SUB CRITICAL DX SYSTEM Figure 1 at the end of this bulletin shows a cascade system diagram with HFC refrigerant for the high side and sub critical CO2 for the low stage refrigerant Nomenclature The model designation contains the following technical information ...

Page 5: ... port on the suction Rotalock valve This port is open to the compressor sump no matter what position the valve stem is located The relief valve itself can be remotely located as long as the path from compressor suction sump and the valve is always open 2 This flow path cannot be shut off in any way by a valve Figure 4 represents the correct a and incorrect b way to apply the pressure relief valve ...

Page 6: ...r to Figure 5 for details The terminal box is IP21 for all models from ZO21K to ZO104K The ZO Scroll compressors have three phase induction motors connected in star Copeland Scroll compressors like several other types of compressors will only compress in one rotational direction Three phase compressors will rotate in either direction depending upon phasing of the power Since there is a 50 chance o...

Page 7: ...eatedly reach temperatures above 350 F 176 7 C if the compressor cycles on its internal protection devices This only happens under rare circumstances and can be caused by the failure of system components such as the condenser or evaporator fan or loss of charge and depends upon the type of expansion control Care must be taken to ensure that wiring or other materials that could be damaged by these ...

Page 8: ...l or refrigerant may damage the compressor resulting in failure New Installations The copper coated steel suction tube on scroll compressors can be brazed in approximately the same manner as any copper tube Recommended brazing materials Any SIL FOS material is recommended preferably with a minimum of 5 silver However 0 silver is acceptable Be sure suction tube fitting I D and suction tube O D are ...

Page 9: ...r may be indicated A current imbalance exceeding 20 of the average on the three phases of a three phase compressor should be investigated further A more comprehensive trouble shooting sequence for compressors and systems can be found in Section H of the Electrical Handbook Form No 6400 8 Before replacing or returning a compressor be certain that the compressor is actually defective As a minimum re...

Page 10: ...40V 70W 32 Lead Length 995 0018 00 018 0095 04 240V 70W 48 Lead Length 918 0043 00 018 0095 05 480V 70W 48 Lead Length 918 0043 01 018 0095 06 575V 70W 48 Lead Length 918 0043 02 018 0095 07 120V 70W 48 Lead Length 918 0043 07 018 0095 08 400V 70W 48 Lead Length 018 0095 09 277V 70W 21 Lead Length Table 1 ZO Family Models Model Nominal Horse power Displacement CFH Capacity BTU HR EER Weight LB kg ...

Page 11: ...ime Delay for Low Level Signal 10 seconds Time Delay After Setpoint Recovery 5 seconds Alarm Delay Time Including Alarm Contact 120 seconds Alar Switch SPDT Alarm Contact Rating 10A 120VAC 50 60Hz 5A 250VAC 50 60 Hz 3A 30 VDC Refrigerant Temperature 40 to 180 F 40 C to 82 2 C Maximum Ambient Temperature Storage 40 to 120 F 40 C to 48 9 C Maximum Ambient Temperature Intermittent Duty 40 to 120 F 40...

Page 12: ... 2017 Emerson Climate Technologies Inc 12 AE4 1372 R4 Figure 3 Oil Management Control OMC CO2 Figure 2 Specially designed rubber grommets Kit 527 0157 00 ...

Page 13: ... 2017 Emerson Climate Technologies Inc 13 AE4 1372 R4 Figure 4 Suction Side Pressure Relief Valve Requirements ...

Page 14: ... or services described herein or their use or applicability Emerson Climate Technologies Inc and or its affiliates collectively Emerson as applicable reserve the right to modify the design or specifications of such products at any time without notice Emerson does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of...

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