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.
APPLICATIONS
Command Shelters
Radar Shelters
Communication Shelters
Mobile Defence Units
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
SPECIAL FEATURES
JSS 55555 & MIL-STD-461G compliant for defence
shelter applications
Rugged SS-304/Al alloy construction, IP55 protection
for harsh environments
Wide operating range: -20 °C to +55 °C, up to
4000m altitude
High-efficiency scroll compressor with micro-channel
condenser (e-coated)
Microcontroller-based controls with HMI and
comprehensive safety protections
Low acoustic signature suitable for command and
communication shelters
High reliability (MTBF >25,000 hrs) with frontserviceable
maintenance
MISSION-READY CLIMATE
CONTROL INTELLIGENCE
ADVANCED MULTI-UNIT CLIMATE CONTROL SYSTEM FOR DEFENCE SHELTERS
Product Overview
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.
Key Features
Controls up to 4 DACU units from one controller
Microcontroller-based intelligent system
Auto / Manual mode selection
Cooling, Heating & Ventilation operation
Built-in fault logging & diagnostics
MIL-grade rugged construction
RS 485 / CAN / RS232 communication support
Key Features
Controls up to 4 DACU units from one controller
Microcontroller-based intelligent system
Auto / Manual mode selection
Cooling, Heating & Ventilation operation
Built-in fault logging & diagnostics
MIL-grade rugged construction
RS 485 / CAN / RS232 communication support
Technical Highlights
1.
Set Temperature Range
+18°C to +27°C
: -20°C to +55°C
2.
Operating Temperature
: -20°C to +55°C
3.
Storage Temperature
: -30°C to +70°C
4.
Power Supply
: 230V, 1 Phase, 50Hz
5.
Mounting Type
: Wall Mounted
6.
Dimensions (L × H × W)
: 410 × 158 × 315 mm
Monitoring & Control Functions
Phase sequence, Low & High pressure status
Pre-heater sense status
Cabin temperature & humidity monitoring
Emergency stop status
Compressor, Heater & Blower ON/OFF control
Low pressure, High pressure & Phase reverse logs
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 fow , 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.
