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Standex MHHX006TB - User Manual

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5/16 Rev. B 57-02497
Condensing Unit and
Refrigeration System
Installation & Operations Manual
908 Highway 15 North
New Albany, MS 38652
Phone: 800-684-8988
Fax: 800-232-3966
www.master-bilt.com
©2015 Master-Bilt
Products, an unincorporated division of Standex International Corporation.
All rights reserved.
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Summary

Introduction and Safety

Qualified Personnel for Installation

Mandates installation and service by qualified refrigeration mechanics or electricians.

Electrical Safety: Grounding

Emphasizes critical safety of proper equipment grounding to prevent severe injury or death.

Manual Usage for Safe Operation

Advises reading and referring to the manual for installation and service to prevent damage or injury.

Safety Warnings and Labels

Safety Alert Symbol and Employer Duty

Explains the safety-alert symbol and employer responsibility for staff training.

Understanding Safety Signal Words

Defines DANGER, WARNING, CAUTION, NOTICE for hazard communication.

Master-Bilt Refrigeration Nomenclature

Condensing Unit Installation

Condensing Unit Placement Guidelines

Specifies clearances and positioning for optimal air flow and service.

Evaporator Coil Installation

Evaporator Placement and Mounting

Details proper placement and mounting of evaporator coils to prevent icing and ensure airflow.

Evaporator Drain Line Installation

Electrical Connections and Piping

DANGER: Qualified Electrician Required

Mandates installation by a qualified electrician to prevent electrical hazards.

Refrigerant Piping Procedures

Tubing Specifications and Cleanliness

Details specifications for copper tubing and emphasizes cleanliness during installation.

Leak Check and System Evacuation

Leak Check Procedure

Outlines steps for leak testing the refrigeration system using nitrogen.

Evacuation, Dehydration, and Start-Up

Evacuation Procedure Steps

Details the step-by-step process for achieving and verifying vacuum levels for dehydration.

Finish Charging Procedures

Preliminary Charging Checks

Lists initial checks and preparations before starting refrigerant charging.

DANGER: Qualified Mechanic Required

Mandates refrigerant charging by a certified mechanic to prevent hazards.

Pre-Charged Remote System Installation

Evaporator Coil Placement and Mounting

Guides on installing evaporator coils in walk-ins, considering placement and obstructions.

Connecting Lines and Coupling

Details connecting refrigerant lines, including lubrication and coupling tightening for leak-proof joints.

System Testing and Final Checks

Final Check List for All Models

Comprehensive System Verification

Provides a detailed list of checks for settings, electrical, temperature, and valves.

R-404 A Suction and Liquid Line Sizing

R-404 A Line Size Tables (Capacity;Temp)

Presents tables for selecting suction and liquid line sizes based on capacity and suction temperature.

R-404 A Suction and Liquid Line Sizing (Cont.)

Extended R-404 A Line Size Tables

Continues line size tables for R-404A across more conditions.

Low Ambient Operation Charge Adjustment

Low Ambient Charge Calculation Chart

Condensing Unit Specifications (R-22)

Condensing Unit Specifications (R-134 a)

Condensing Unit Specifications (R-404 A)

Sale and Disposal Procedures

Standex MHHX006TB Specifications

General IconGeneral
BrandStandex
ModelMHHX006TB
CategoryHeat Pump
LanguageEnglish

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