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MAK Defence Shelter Air Conditioning Unit

MAK Defence Shelter Air Conditioning Unit

ENGINEERED FOR EXTREMES. TRUSTED IN DEFENCE.

Engineered for mission-critical defence environments, the MAK DACU Series delivers reliable and precise climate control under extreme operating conditions. Designed to comply with stringent military and environmental standards, these wall-mounted units ensure uninterrupted operation, low acoustic signature and high maintainability for defence shelters deployed in diverse terrains and climates.

1.5 TR to 3.5 TRCooling Capacity
500–1,200 CFMAir Flow
−20°C to +55°COperating Temperature
◉Need help choosing?Talk to our product experts for the right configuration.

APPLICATIONS

  • Command Shelters
  • Communication Shelters
  • Radar Shelters
  • Mobile Defence Units
PRODUCT INFORMATION

In-House Testing Facilities

MAK Controls and Systems (P) Ltd is equipped with advanced in-house testing facilities to ensure product reliability, MIL-grade compliance, and performance validation under extreme conditions.

* Environmental Climatic Test Chamber
* Thermal Shock Test Chamber
* Bump Test Facility
* Specially designed Psychrometric Test Chamber for DACU Validation
* Chamber for DACU Validation

In-House Testing Facilities

SPECIAL FEATURES

  • JSS 55555 & MIL-STD-461G compliant for defence shelter applications
  • Wide operating range: -20 °C to +55 °C, up to 4,000 m altitude
  • Reduced refrigerant charge & compact lightweight design
  • Low acoustic signature suitable for command and communication shelters
  • Rugged SS-304/Al alloy construction, IP55 protection for harsh environments
  • High-efficiency scroll compressor with micro-channel condenser (e-coated)
  • Microcontroller-based controls with HMI and comprehensive safety protections
  • High reliability (MTBF >25,000 hrs) with front-serviceable maintenance
ADVANCED MULTI-UNIT CLIMATE CONTROL SYSTEM FOR DEFENCE SHELTERS
Product Overview

ADVANCED MULTI-UNIT CLIMATE CONTROL SYSTEM FOR DEFENCE SHELTERS

MAK Controls and Systems (P) Ltd has designed and developed the DACU Group Remote Control Unit (RCU) to intelligently operate and monitor up to four DACU units through a single wall-mounted controller. Engineered for mission-critical defence environments, the system ensures precise temperature regulation and reliable performance under ambient conditions up to +55°C.

Controls up to 4 DACU units from one controller

Microcontroller-based intelligent system

Auto / Manual mode selection

Cooling, heating and ventilation operation

Built-in fault logging & diagnostics

MIL-grade rugged construction

RS-485 / CAN / RS-232 communication support

Key Features

  • Controls up to 4 DACU units from one controller
  • Auto / Manual mode selection
  • Built-in fault logging & diagnostics
  • RS 485 / CAN / RS232 communication support
  • Microcontroller-based intelligent system
  • Cooling, Heating & Ventilation operation
  • MIL-grade rugged construction

Technical Highlights

PRIME MOVER

Set Temperature Range

+18°C to +27°C : -20°C to +55°C

Operating Temperature

-20°C to +55°C

Storage Temperature

-30°C to +70°C

Power Supply

230V, 1 Phase, 50Hz

Mounting Type

Wall Mounted

Dimensions (L × H × W)

410 × 158 × 315 mm
Precision Engineered Climate Control Solutions for Defence & Critical Infrastructure
TECHNICAL SPECIFICATION
Model DACU 1.5TR DACU 2TR DACU 2.5TR DACU 3TR DACU 3.5TR
Power supply 400V, 3 Ph, 50Hz
Type MIL STD - Wall mounted
Air flow , CFM 500 700 700 1000 1200
Shelter cabin temperature , °C 18-30
Cooling capacity , Btu/Hr 18000 24000 30000 36000 42000
Heating capacity , Watt 3000 4000 5000 6000 7000
Operating temperature , °C -20 to +55
Storage temperature , °C -30 to +70
Compressor Scroll
Refrigerant R407C
Condensing temperature, °C (°F) 67(152.6)
Evaporating temperature, °C (°F) 8(46.4)
Max. Current(Cooling Mode) , A 9 ±3 11 ±3 12 ±2.5 12 ±3 12 ±3.5
Max. Starting Current , A ~25 ~30 ~30 ~35 ~42
Control System Micro controller based advanced intelligent control system with USER HMI
Dimension & Weight
Height, ± 10 mm 1389 1389 1500 1500 1580
Width, ± 10 mm 505 505 620 620 560
Depth, ± 10 mm 574 574 580 580 576
Weight, ± 5 kgs 130 140 150 160 170
Note: Dimension and weight are subject to change due to continuous product improvement.