Explanation Section

1. Project Overview

Project name, location, building type, building area, floor height, building orientation, thermal parameters of enclosure structure, process production characteristics, heating equipment, personnel density, working hours, etc

2. Design Basis

GB 50019-2015 "Design Code for Heating, Ventilation and Air Conditioning of Industrial Buildings" (core basis)

GB 50736-2012 "Design Code for Heating, Ventilation and Air Conditioning of Civil Buildings" (relevant provisions)

GB 50016 "Code for Fire Protection Design of Buildings" (Fire Protection Requirements)

GB 50189 "Design Standard for Energy Efficiency of Public Buildings" (Energy Efficiency Requirements)

Other relevant national and local standards

Equipment heat generation and ventilation requirements provided by the process profession

3. Design Parameters

Indoor and outdoor calculation parameters:

Outdoor meteorological parameters (according to specifications or local meteorological data)

Indoor design parameters (temperature, relative humidity, fresh air volume, cleanliness, etc., determined according to process requirements)

Personnel density, lighting power, equipment heat generation, etc

4. Air Conditioning System Scheme

System form selection (all air system, fan coil+fresh air, multi split, etc.)

Cold and heat source solutions (chillers, air-cooled heat pumps, multi split units, etc.)

Airflow organization design (supply air mode, return air mode, air outlet selection)

System zoning principle (zoning according to process zoning and temperature and humidity requirements)

5. Load Calculation

Cooling load calculation (enclosure structure, personnel, equipment, lighting, fresh air, etc.)

Heat load calculation (winter)

Wet load calculation (if necessary)

The calculation sheet should include the calculation process and the basis for parameter values

Calculation Sheet Section (Core Calculation Content)

1. Cooling and Heating Load Calculation Sheet

Hourly cooling load calculation (summer)

Heat load calculation (winter)

Adopt calculation methods recommended by standards (such as harmonic response method, cooling load coefficient method, etc.)

Summary Table of Calculation Results

2. Hydraulic Calculation Sheet

Wind system resistance calculation (most unfavorable loop)

Calculation of water system resistance (chilled water system, cooling water system)

Equipment selection calculation (pump head, fan total pressure)

3. Equipment Selection Calculation

Selection of air conditioning units/fan coil units

Capacity determination of chiller/heat pump units

Selection of equipment such as water pumps, cooling towers, and fresh air units

Safety factor required by regulations

Drawing Section (to be Drawn According to Drawing Standards)

1. Air Conditioning System Plan

Duct layout and air outlet positioning

Duct dimension annotation, elevation

Equipment positioning size

2. Plan of Air Conditioning Water System

Water pipe direction and diameter labeling

Valve and instrument positions

Detailed drawing of equipment takeover

3. System Schematic Diagram

Process diagram of cold and heat source system

Schematic diagram of air conditioning water system

Control Schematic Diagram

4. Sectional Drawing, Detailed Drawing

Detailed drawing of complex nodes

Equipment Installation Details

Detailed drawing of pipeline passing through walls and floors

Equipment and Materials List

1. Main Equipment List

2. Material List

Duct material, thickness, insulation material

Water pipe material, diameter, insulation material

Valves, accessories, air vents, etc

Special Article on Energy Conservation and Environmental Protection

1. Energy Saving Measures

System Energy Efficiency Ratio (EER/COP) Requirements

Energy saving technologies such as frequency conversion control and heat recovery

Insulation thickness and material selection

2. Environmental Requirements

Noise control (according to Chapter 10 of the specifications)

Vibration reduction measures

Environmental requirements for refrigerants

Construction Instructions and Technical Requirements

1. Construction Requirements

Pipeline installation requirements (slope, support spacing, etc.)

Equipment installation requirements (foundation, vibration reduction, etc.)

Insulation construction requirements

2. Debugging and Acceptance

System debugging requirements (air volume balance, water temperature regulation)

Acceptance criteria (according to GB 50243 "Code for Acceptance of Construction Quality of Ventilation and Air Conditioning Engineering")