Swegon GOLD SD Description page 14

GOLD
Description of the air handling unit
Control Schedule
Diagrammatic description of the control functions,
GOLD SD sizes 004-012, common casing
The built-in control system controls and regulates temper-
atures, airflows, in-operation periods and a large number
of internal and external functions.
Because the system is microprocessor-based, it can solve
highly complicated tasks. The individual components
each specified below in a simplified and diagrammatical
description.
BT3 Outdoor air temperature sensor.
(Applicable to air handling units with coil heat
exchanger)
BT2 Outdoor air temperature sensor/supply air density
sensor (In extract air units: Extract air
temperature sensor/exhaust air density sensor)
BT1 Supply air temperature sensor. Positioned in the
ductwork. (Not used in extract air units)
BF1 Supply air fan pressure sensor. Indicates for
control of the fan speed so that the preset
airflow will be obtained. (In extract air handling
units: Extract air fan pressure sensor)
BP1 Supply air filter pressure sensor, if applicable. For
checking the status of the filter (In extract air
handling units: Extract air filter pressure sensor)
14
We reserve the right to alter specifications.
BT2 E1
BP1
BF1
20190329
When you use the AHU Design AHU selection program for
calculating performance data, it provides you with a project-
specific flow chart with complete descriptions of pertinent
E2 P1
T1
BT3
T1 Motor control system for variable speed control
of the fan motor.
E1 Electrical equipment cubicle containing a control
circuit card, if included, and other electrical
equipment for controlling internal and external
functions, etc.
E2 Control unit, if applicable, for controlling the
pipework package.
P1 Hand-held micro terminal, if specified, for setting
airflows, temperatures, control functions,
in-operation periods, etc. as well as alarms.
functions.
BT1