mycom 160VLD

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2205Q2JE-HO-S6-N_2020.01.

SCV-series

Screw Compressor

Instruction Manual

160VLD／160VMD／160VSD

200VLD／200VMD／200VSD

250VLLD／250VLD／250VMD／250VSD

320VLD／320VMD／320VSD

160VLG／160VMG／160VSG

200VLG／200VMG／200VSG

250VLLG／250VLG／250VLG／250VSG

CAUTION

Read this manual carefully and thoroughly before operating, maintaining or inspecting this

product. It is important to fully comprehend the contents of this manual. Keep the operation

manual in a safe, designated place for future reference whenever the need arises.

Specifications of this product are subject to change without prior notice.

Table of Contents

Questions and Answers:

R
Robert RandolphAug 10, 2025
What to do if my Mycom Air Compressor has abnormal high pressure?
- J
  Joseph GarrettAug 10, 2025
  If your Mycom Air Compressor is experiencing abnormally high pressure, it could be due to a few reasons. Check for heat exchange failure at the condenser (heat exchanger) and clean it, using a solvent if needed. Also, look for malfunctions in the fan motor, thermo-switch, water spray bars, or cooling water pumps, addressing any issues and replacing faulty components. If the heat exchanger capacity is insufficient, consider re-evaluating operating conditions or improving the installation environment. If these adjustments are difficult, adding more or larger heat exchangers might be necessary.
D
dudleyrussellAug 14, 2025
What to do if my mycom 160VLD Air Compressor stops immediately after startup?
- L
  lyonsgabriellaAug 14, 2025
  If your Mycom Air Compressor stops immediately after starting, it could be due to the low pressure protection circuit being activated. Check for insufficient refrigerant, identify and repair any leaks, and then recharge the refrigerant, being cautious of moisture contamination. Another possible cause is a malfunction in the pressure regulating valve operation, in which case you should replace the valve or address the underlying cause. It could also be due to a malfunction of the low pressure protection device, pressure sensor, or relays; identify and replace any malfunctioning devices.
T
Todd BarreraAug 18, 2025
Why does my mycom 160VLD have low oil-supply pressure?
- S
  Sarah CollinsAug 19, 2025
  If your Mycom Air Compressor has low oil-supply pressure, there could be several reasons. Check for clogging in the oil filter element, indicated by a big difference in outlet/inlet pressures; remove any clogging and replace the lubricant if necessary. A defect inside the compressor could also be the cause; check the oil contamination level and overhaul the compressor if needed after vibration noise diagnosis. Insufficient oil in the oil separator can also lead to this issue; inspect the oil heater and related circuit relays, replacing parts as needed. Finally, check for extensive oil leaks in the machine room and around the compressor, and inspect for oil in the cooling water system, addressing any leaks found in the oil cooler heat exchanger tube.
R
Robert LinAug 23, 2025
How to fix capacity control malfunction in my Mycom Air Compressor?
- M
  Mary NelsonAug 23, 2025
  A capacity control malfunction in your Mycom Air Compressor can stem from a few causes. If the indicator isn't detecting 100% or 0%, replace the micro-switch. For malfunctions of unloader solenoid valves or related relays, replace parts affected by aging or address water leakage and replace the compromised components. Internal leakage of the unloader solenoid valves can also be a factor, particularly after prolonged low load operation; improve this by re-examining the operation method.
M
Mark WhiteAug 27, 2025
Why is my mycom 160VLD leaking from mechanical seal?
- M
  Morgan JenningsAug 27, 2025
  A leak from the mechanical seal on your Mycom Air Compressor can occur for several reasons. An initial leak after replacement is common until the seal and shaft surfaces mate; ensure the leak doesn't continuously increase. Deteriorated parts, such as O-rings, should be replaced due to aging degradation. Incompatibility between operating conditions (temperature, refrigerant) and lubricant can also cause leaks; re-examine operating conditions, and if necessary, re-select the lubricant, replacing all of the existing lubricant with the new type.
J
Jon StoutAug 31, 2025
What causes faulty indication of capacity control position in my mycom 160VLD Air Compressor?
- J
  Jacob KingAug 31, 2025
  A faulty indication of the capacity control position on your Mycom Air Compressor can be due to a few reasons. If the compressor indicator is imprecise, manually tighten the screws to the 0% indication position of the compressor capacity control. If the controller capacity control indicator is imprecise, replace the indicator cam. A malfunction in the potentiometer, often due to aging or prolonged partial load operation, requires replacing the potentiometer.

mycom 160VLD Specifications

General

Brand	mycom
Model	160VLD
Category	Air Compressor
Language	English

Summary

Important Information

Important Information for Safe Use of This Product

Provides crucial safety guidelines for operating and handling the product.

Chapter 1 Safety

ObservationPrevention

Details essential safety practices for operation and maintenance.

Warnings

Residual Risks

Lists hazardous sources and necessary safety measures during operation and maintenance.

Safety Devices

Explains emergency stop buttons, breakers, and compressor protection devices.

Chapter 2 Compressor Specifications and Structure

Operation Limits

Specifies maximum/minimum pressures, temperatures, and rotation speeds for safe operation.

Compressor Structure and Mechanism

Chapter 3 Installation

General Precautions for Installation

Covers safety guidelines, personnel qualifications, and document understanding for installation.

Installation Works

Installation

Chapter 4 Compressor and Package Unit Operation

Adjustment of Vi

Lubricating Oil (Refrigerant Oil)

Covers oil selection, recommended types, handling precautions, and replacement criteria.

Precautions for Operation

Chapter 5 Maintenance and Inspection

Precautions for Maintenance and Inspection

Highlights safety measures for entering machine rooms, using PPE, and handling equipment.

Maintenance and Inspection List

Compressor Disassembly Preparation

Disassembly and Inspection

Reassembly

Chapter 6 Troubleshooting

Table 6-1 Troubleshooting

Lists common compressor problems, their direct causes, factors, and recommended actions.

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