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HVAC.qa

Heating, Ventilation & Air Conditioning from Qatar πŸ‡ΆπŸ‡¦

Condensing Units

Safwa
Hawaa - Condensing Units Line

The first & only manufacturer of world-class roof top package units in Qatar.
Custom Built

  • Conforms to GCC conditions
  • 10 TR – 50 TR

Designed for Energy Savings and GCC Climate

Designed to conform to:
ARI standard 550/590 (Water chilling packages using the vapor compression cycle.)
ANSI / ASHRAE 15-1994 (Safety code for Mechanical Refrigeration)

  • Screw compressors
  • Microprocessor controller
  • Coolers
  • Electronic Expansion valve
  • Single point power connection

 

Compressor:

  • All compressors are compact semi-hermetic screw.
  • Automatic start unloading.
  • Step less capacity control and best part load efficiency.
  • Modulate capacity between 25% to 100%.
  • Step rapacity control Additionally Hot Gas BY pass control

Features:

  • Under Voltage Phase Protection
  • Electrical Panel NEMA 4 (IP55)
  • Crankcase Heater
  • Unit On/Off Switch
  • Condenser Fan Motor Circuit Breaker
  • Compressor Circuit Breaker
  • ASME Code Stamped
  • Pressure gauges
  • Condenser coil guard
  • Compressor/cooler guard
  • Compressor enclosure box (sound-attenuator)
  • Flanged type cooler connection
  • Copper fins/tubes condenser coils
  • Pre-coated aluminum fins condenser copper/aluminum fins condenser coils
  • Non-fused main disconnect switches
  • Cooler heater tape
  • Ground current protection
  • External over load relay
  • Building management system (BMS)
  • Power line analyzer

Remote Monitoring System and SMS Notification (optional)

  • Remote control through serial line — chiller sequencing (option)
  • MODBUS protocol option
  • LON protocol option
  • BACnet protocol option
  • SMS notification
  • External enable/disable option
  • Maximum demand control in emergency mode

Condenser Fan & Motor

  • Class- “F” insulation Glass
  • Internally thermal Protection
  • High ambient application 70 Degrees Celsius
  • Aerodynamic design, top discharge with protective grille
  • Made in Europe (Germany/Spain)

Refrigeration

  • Independent refrigeration circuit per compressor
  • Electronics Expansion valve
  • Liquid line solenoid valve & shut off valve
  • Liquid line moisture indicator
  • Replaceable core filter drier
  • Fully charged units with R134a refrigerant 13 Liquid injection kit
  • Adjustable High pressure switches
  • Liquid injection control
  • Free terminal for remote on/off connection
  • Free terminal for general alarm output
Manufactured in Qatar by  

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HVAC.qa is a service by Nehmeh Entreprises & Industries (NEI) based in Doha Qatar.

NEI is a wholly-owned subsidiary of Nehmeh Holdings LLC.