📘 Mastercool manuals • Free online PDFs

Mastercool Manuals & User Guides

A leading manufacturer of professional air conditioning, refrigeration, service tools, and equipment for the automotive and HVAC/R industries.

Tip: include the full model number printed on your Mastercool label for the best match.

Mastercool Support

Official site: https://www.mastercool.com/
General support: https://mastercool.com/support/
Warranty & registration: Warranty info · Register a product
Support phone: +1 973-252-9119 — Monday - Friday, 8:30 AM - 5:00 PM EST
Support email: customerservice@mastercool.com

Mastercool manuals

Selected manuals from manuals+ curated for this brand.

Mastercool 90062-BL-INST Single Stage Vacuum Pump Instruction Manual

February 25, 2023

SINGLE STAGE VACUUM PUMP OPERATING INSTRUCTIONS Instruction Manual 90062-BL-INST Single Stage Vacuum Pump DO NOT ATTEMPT TO OPERATE WITHOUT USING OIL!!! Use oil specifically refined for deep vacuum pumps. Use…

Mastercool R11 Manufacturer of Air Conditioning User Manual

February 17, 2023

Mastercool R11 Manufacturer of Air Conditioning SPECIFICATIONS Pressure Range: Low Pressure Range: -14.5 – 500 psi (-0.1 – 3.4 MPa) High-Pressure Range: -14.5 – 800 psi (-0.1 – 5.5 MPa)…

Mastercool 90063-2V-110-BL Dual Voltage Vacuum Pump User Manual

February 13, 2023

Mastercool 90063-2V-110-BL Dual Voltage Vacuum Pump IMPORTANT INSTRUCTION WARNING: Wear safety glasses Do not evacuate combustible, explosive or poisonous gases. Do not evacuate gases that corrode metal or react chemically…

Mastercool 52234-BT Digital Thermometer-Hygrometer Instruction Manual

February 1, 2023

Mastercool 52234-BT Digital Thermometer-Hygrometer OPERATING INSTRUCTIONS DIGITAL THERMOMETER/HYGROMETER NOTE: Please keep away from children and do not use it for safety related applications. SPECIFICATIONS: Relative Humidity (Tamb=73±9°F (23±5°C)): 1~99%, accuracy:…

MasterCool 43301-A 27 Piece Master Radiator Pressure Test Kit Owner’s Manual

February 1, 2023

MasterCool 43301-A 27 Piece Master Radiator Pressure Test Kit Owner's Manual ITEM# PART# DESCRIPTION 0 43300-0 Needle Thermometer 1 43300-1 Handheld Pump 2 43300-2 Steel #2 Adapter 3 43300-3 Steel…

Mastercool 98209 Electronic Refrigerant Scale Instruction Manual

January 31, 2023

98209 OPERATING INSTRUCTIONS ELEKTRONISCHE WAAGE ELECTRONIC REFRIGERANT SCALE ELECTRONIC SCALE INSTRUCTIONS Open the battery cover and insert 2 AAA batteries according to the polarity indicated in the battery compartment. Press…

Mastercool Black Series Mini Fold Compact Manifold Instruction Manual

January 10, 2023

Mastercool Black Series Mini Fold Compact Manifold SPECIFICATIONS Pressure Range: Low Pressure Range: -14.5 – 500 psi (-0.1 – 3.4 MPa) High Pressure Range: -14.5 – 800 psi (-0.1 –…

Mastercool 69100 Refrigerant Recovery System Instructions

December 20, 2022

Mastercool 69100 Refrigerant Recovery System SAFETY INFORMATION! READ CAREFULLY BEFORE USING RECOVERY SYSTEM! This equipment is designed to be used by qualified service personnel. The operator of this equipment must…

MasterCool 52230 Pen Type Hygrometer Instruction Manual

December 14, 2022

MasterCool 52230 Pen Type Hygrometer 52230 PEN TYPE HYGROMETER OPERATION Press the ON/OFF button to turn the meter on. You will see a full display on the screen for one…

MasterCool 70070/70070-M Multi Size Ratchet Style Tube Bender Instruction Manual

December 10, 2022

MasterCool 70070/70070-M Multi Size Ratchet Style Tube Bender SAFETY REQUIREMENTS Use only soft copper tubing with this bender. Always use personal safety equipment (i.e. safety glasses, gloves, etc.) Only personnel…

Mastercool R134a/R1234yf Complete A/C Recovery Set Parts Breakdown

parts list

Detailed parts breakdown for the Mastercool R134a/R1234yf Complete A/C Recovery Set, including part numbers and descriptions for tanks, gauges, hoses, and conversion kits.

Mastercool MC VAC+ Safety Data Sheet

safety data sheet

Safety Data Sheet for Mastercool MC VAC+ vacuum pump oil, detailing its properties, hazards, handling, and disposal.

Mastercool 55800 Leak Detector: Features, Specifications, and Operation

product overview

Detailed information on the Mastercool 55800 Leak Detector, including its advanced metal oxide gas sensor, super sensitive function, LCD features, keypad operations, and technical specifications for detecting various refrigerants.

Mastercool ADA71 Owner's Manual and Specifications

Owner's Manual

Owner's manual and specifications for the Mastercool ADA71 evaporative cooler, including features, dimensions, and electrical data. Find genuine replacement parts for your Mastercool ADA71.

MasterCool MCP44 Purge Pump Conversion Instructions

installation guide

Step-by-step instructions for installing a water purge pump onto the MasterCool MCP44 window evaporative cooler, including safety precautions and operational notes.

Mastercool EVAP Diagnostic Smoke Machine Instructions

manual

Comprehensive instructions for operating and maintaining the Mastercool EVAP Diagnostic Smoke Machine, including safety precautions, specifications, setup, usage, and troubleshooting.

Mastercool Spartan Smart Manifold Operating Instructions

manual

Comprehensive operating instructions for the Mastercool Spartan Smart Manifold, covering setup, usage, features like leak testing and data logging, and maintenance.

Mastercool Commander R/R/R Machines Oil Change Procedure

service manual

A guide detailing the oil change procedure for Mastercool Commander R/R/R machines, including steps for draining, filling, and resetting the vacuum pump timer.