AHUs are used to supply and circulate air around a building, or to extract stale air. Air Handling Units Air Handling Units In essence, an AHU comprises a large insulated metal box that contains fans, heating and/or cooling elements, filters, sound attenuators and dampers. In most cases, the AHU is connected to air distribution ductwork. Supply air passing through the AHU is filtered and is either heated or cooled, depending on specified duty and the ambient weather conditions. For heating or cooling, AHUs may be connected to central plant such as boilers or chillers, receiving hot or chilled water for heat exchange with the incoming air. Alternatively, heating may be provided by electric heating elements built into the air handler. A controlled proportion of stale air may be recirculated to avoid having to condition all supplied air.
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Air Handling Units - Sontay...Air Handling Units In essence, an AHU comprises a large insulated metal box that contains fans, FC-ERV heating and/or cooling elements, filters, sound
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Products for air handling units ...
Sontay is a market leading manufacturer and distributor of building measurement and control peripherals. The company provides a fast, professional and personal service, supporting businesses with reliable, durable and innovative products. This is backed
by a dedicated Customer Services Team to assist with product advice and technical support. Please visit www.sontay.com
Sontay Limited · Four Elms Road · Edenbridge · Kent · TN8 6AB
AHUs are used to supply and circulate air around a building, or to extract stale air.
Air Handling Units
Air Handling Units
In essence, an AHU comprises a large insulated metal box that contains fans,
heating and/or cooling elements, filters, sound attenuators and dampers.
In most cases, the AHU is connected to air distribution ductwork. Supply air passing
through the AHU is filtered and is either heated or cooled, depending on specified
duty and the ambient weather conditions. For heating or cooling, AHUs may be
connected to central plant such as boilers or chillers, receiving hot or chilled water
for heat exchange with the incoming air.
Alternatively, heating may be provided by electric heating elements built into the air
handler. A controlled proportion of stale air may be recirculated to avoid having to
condition all supplied air.
PA-DPS Air DP Switches
AV Air Velocity Sensors
RH Relative Humidity Sensors
ST-FRE Frost Thermostats
GS-CO2 CO2 sensors
RE Electric Heater Controllers
TTTemperature sensors
GS-AQ Air Quality Sensors
SD Smoke Detectors
FC-ERVFan Speed Controllers
OC Occupancy Detectors
LL Light Level Sensors
PM Current Switches
VA Damper Actuators
VA-FFailsafe Damper Actuators
Electric Heater
D
O
EI
J
G
HC
D
F
C
K
A
L
MN
G
B
AHUs are used to supply and circulate air around a building, or to extract stale air.
Air Handling Units
Sontay Part Code Application Function Catalogue
A VA Damper actuator
B VA-F Failsafe damper actuator
C RH-622 Duct mounting RH&T sensor
D PA-DPS Air DP switch fan proving
E PA-DPS Dirty filter indication
F AV-622 Air Velocity Sensor
G FC-ERV Fan Speed Controller
H RE Electric heater controller
K PM-CS Current switch
LLL Light Level Sensor
OC PIR Occupancy Detector
MRH-1000 Space mounting RH&T sensor
TT-1000 Temperature space sensor
N GS-CO2-1001 Wall mounting CO2 sensor
O ST-FRE Control Safeguards
CO2CO2CO22
1 0 56
. . . experts in f ield controls
Products for air handling units ...
Sontay is a market leading manufacturer and distributor of building measurement and control peripherals. The company provides a fast, professional and personal service, supporting businesses with reliable, durable and innovative products. This is backed
by a dedicated Customer Services Team to assist with product advice and technical support. Please visit www.sontay.com
Sontay Limited · Four Elms Road · Edenbridge · Kent · TN8 6AB