---
title: "Dehumidifier"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:DEHUMIDIFIER"
  data_integrity_hash: "95a8158f3b3f37f5ceb1859c028fe67e"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:DEHUMIDIFIER"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/dehumidifier.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/dehumidifier"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-1.5 MPa (5-15 bar) at 20-40°C inlet air temperature, 30-90% relative humidity input, 10-40% relative humidity output"
    unit: "L/day"
engineering_limits:
  max_safe_operating_point:
    value: 2.1
    unit: "MPa"
    consequence: "Refrigerant phase change hysteresis failure due to excessive latent heat load beyond 2500 kJ/kg refrigerant capacity, causing liquid slugging in compressor"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Refrigerant charge loss below 80% of specified 1.2 kg R-134a mass"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Hermetic compressor welding with 0.1 mm maximum leak rate, dual-pressure transducers at 0-2.5 MPa range with 0.01 MPa resolution"
  - node_2:
      trigger: "Desiccant rotor degradation below 70% silica gel adsorption capacity"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Regeneration heater PID control maintaining 150±5°C for 20 minutes per cycle, humidity sensors with ±2% RH accuracy"
bom_nodes:
  compressor:
    type: "part"
    urn: "URN:CNFX:ME:COMPRESSOR"
    interface_type: "physical-logic-coupled"
  evaporator-coil:
    type: "part"
    urn: "URN:CNFX:ME:EVAPORATOR_COIL"
    interface_type: "physical-logic-coupled"
  condenser-coil:
    type: "part"
    urn: "URN:CNFX:ME:CONDENSER_COIL"
    interface_type: "physical-logic-coupled"
  fan:
    type: "component"
    urn: "URN:CNFX:ME:FAN"
    interface_type: "physical-logic-coupled"
  water-collection-tank:
    type: "part"
    urn: "URN:CNFX:ME:WATER_COLLECTION_TANK"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 5151:2017 (NON-DUCTED AIR CONDITIONERS AND HEAT PUMPS - TESTING AND RATING FOR PERFORMANCE)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/AHAM DH-1:2015 (DEHUMIDIFIERS)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/dehumidifier.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "dd8580d3e85807ead1b67d0d122d5da96ff6c31127294768922e19f2cafe0e85"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Dehumidifier

## 1. Technical Definition
A device that removes moisture from air within a conditioning system

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-1.5 MPa (5-15 bar) at 20-40°C inlet air temperature, 30-90% relative humidity input, 10-40% relative humidity output**. Failure boundary: **Compressor discharge pressure exceeding 2.1 MPa (21 bar) or refrigerant temperature surpassing 120°C at condenser outlet**, Mechanism: **Refrigerant phase change hysteresis failure due to excessive latent heat load beyond 2500 kJ/kg refrigerant capacity, causing liquid slugging in compressor**.

### 2.1 Analytical Physics Model
Governed by the **LMTD Logarithmic Mean Temperature Difference**:

> **Primary Equation**: $Q = U \cdot A \cdot \Delta T_{lm}$  
> **Engineering Impact**: Sizing validation for pasteurization and cooling tunnels.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| U | Heat Transfer Coeff | Engineering Constant |
| A | Area | Engineering Constant |
| \Delta T_{lm} | LMTD | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Refrigerant charge loss below 80% of specified 1.2 kg R-134a mass | 8 | Evaporator coil frost accumulation exceeding 5 mm thickness, reducing heat transfer coefficient below 15 W/m²·K | Hermetic compressor welding with 0.1 mm maximum leak rate, dual-pressure transducers at 0-2.5 MPa range with 0.01 MPa resolution |
| Desiccant rotor degradation below 70% silica gel adsorption capacity | 8 | Moisture removal efficiency dropping below 30% of rated 2.5 L/hour at 25°C, 60% RH | Regeneration heater PID control maintaining 150±5°C for 20 minutes per cycle, humidity sensors with ±2% RH accuracy |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | L/day | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Compressor](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/compressor.md) `(Standalone System)`
- [Evaporator Coil](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/evaporator-coil.md) `(Standalone System)`
- [Condenser Coil](https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/condenser-coil.md) `(Standalone System)`
- [Water Collection Tank](https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/water-collection-tank.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Air Handling Unit**, **Refrigeration Compressor**, **Condensate Drain Pump**  
**Downstream Applications**: Pharmaceutical Products, Food Packaging, Electronics Components  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: How does this dehumidifier protect machinery and equipment in manufacturing environments?
**A**: By removing excess moisture from the air, this dehumidifier prevents corrosion, mold growth, and condensation on sensitive machinery components, extending equipment lifespan and maintaining optimal operating conditions in manufacturing facilities.

### Q: What maintenance is required for the compressor and coil components?
**A**: Regular cleaning of evaporator and condenser coils, checking refrigerant levels, and ensuring proper airflow around the compressor are essential. The aluminum and copper construction requires periodic inspection for corrosion, with professional servicing recommended annually for optimal performance.

### Q: How does the water collection system work in industrial settings?
**A**: The integrated water collection tank captures condensed moisture, with automatic shut-off when full. For continuous operation in manufacturing environments, the unit can be connected to a drain line, allowing uninterrupted moisture removal without manual tank emptying.

## 6. Manufacturing Compliance
- ISO 5151:2017 (NON-DUCTED AIR CONDITIONERS AND HEAT PUMPS - TESTING AND RATING FOR PERFORMANCE)
- ANSI/AHAM DH-1:2015 (DEHUMIDIFIERS)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Dehumidifier](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/dehumidifier)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **5** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: DEHUMIDIFIER | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 5f7fc4a2
