SD-A-5240 - Anemostat HVAC
 ANEMOSTAT
AIR TERMINAL CONTROLS
e AUTOMATIC CHANGEOVER
e PRESSURE INDEPENDENT
A
e SINGLE DUCT
e ANALOG ELECTRONIC CONTROLS
e VAV HEATING & COOLING
DAMPER ROTATION
CW = OPEN
CCW = CLOSE
AIRFLOW
SENSOR \
AO
Control Package
SD - À - 5240
e AIR FLOW SETPOINTS ADJUSTED AT THERMOSTAT
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| THERMOSTAT
SEE MANUAL © H ~~
CM-1 FOR
SPECIFIC Q
TUBING SIZE > 5 24VAC NOTE: SELECT
AND LENGTH т © © — — © SEQUENCE 1 (SEQ1)
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FACTORY WIRING
o FIELD WIRING REFER TO ANEMOSTAT "CONTROLS MANUAL" (CM-1) FOR
FACTORY PIPING ADJUSTMENT & TROUBLESHOOTING PROCEDURES.
JOB NAME: DWG #: SD-A-5240.1
SUBMITTED BY: REV: D
DATE: DATE: 3-2-2017
WWW.ANEMOSTAT-HVAC.COM
COPYRIGHT 2017 - ALL RIGHTS RESERVED
A
¢ SINGLE DUCT
e ANALOG ELECTRONIC CONTROLS
e VAV HEATING & COOLING
AIR TERMINAL CONTROLS
COOLING MODE
MAX
AIRFLOW
+2°р***
COOL SPACE TEMP WARM
*** PROPORTIONAL BAND (PROP BD) DEFAULT AT 2°F, ADJUSTABLE
FROM 1 to 10°F IN "ADVANCE" MENU ON THERMOSTAT
SEQUENCE OF OPERATION
THE THERMOSTAT SIGNALS THE CONTROLLER IN
RESPONSE TO THE SPACE TEMPERATURE. THE
CONTROLS SENSE SUPPLY AIR TEMP AND
AUTOMATICALLY INDEX TO D.A. COOLING OR R.A.
HEATING.
COOLING MODE
1. WHEN SUPPLY AIR TEMP IS LESS THAN 77°F,
THE THERMOSTAT D.A. COOLING OUTPUT
CONTROLS FLOW (COOLING MODE). WITH
SPACE TEMPERATURE BELOW THE
THERMOSTAT SETPOINT, THE DAMPER
MAINTAINS MINIMUM COLD AIRFLOW.
2. AS THE SPACE TEMPERATURE INCREASES
FROM SETPOINT TO 2°F ABOVE SETPOINT,
THE DAMPER OPENS FROM MINIMUM
AIRFLOW TO MAXIMUM AIRFLOW. AT OVER
2°F ABOVE SETPOINT, THE DAMPER
MAINTAINS MAXIMUM COLD FLOW.
HEATING MODE
1. WHEN SUPPLY AIR TEMP IS GREATER THAN
77°F, THE THERMOSTAT R.A. HEATING
OUTPUT CONTROLS FLOW (HEATING MODE).
ANEMOSTAT
Control Package
SD - À - 5240
e AUTOMATIC CHANGEOVER
e PRESSURE INDEPENDENT
e AIR FLOW SETPOINTS ADJUSTED AT THERMOSTAT
HEATING MODE
MAX
AIRFLOW
-9°9F*** sp
COOL SPACE TEMP WARM
*** PROPORTIONAL BAND (PROP BD) DEFAULT AT 2°F, ADJUSTABLE
FROM 1 to 10°F IN "ADVANCE" MENU ON THERMOSTAT
WITH SPACE TEMPERATURE ABOVE THE
THERMOSTAT SETPOINT, THE DAMPER
MAINTAINS MINIMUM HOT AIRFLOW.
2. AS THE SPACE TEMPERATURE DECREASES
FROM HEATING SETPOINT TO 2°F BELOW
THE SETPOINT, THE DAMPER OPENS FROM
MINIMUM AIRFLOW TO MAXIMUM AIRFLOW.
AT OVER 2°F BELOW THE SETPOINT, THE
DAMPER MAINTAINS MAXIMUM HOT FLOW.
SETPOINT SETTINGS
1. ADJUST THE MINIMUM (AO1 MIN) OR
MAXIMUM (AO1 MAX) AIRFLOW SETPOINT IN
"LIMITS" MENU ON THERMOSTAT.
2. ADJUST CHANGEOVER (CNG OVR)
TEMPERATURE (DEFAULT AT 77° F,
CONFIGURABLE FROM 55 TO 85° F) IN
"ADVANCE" MENU ON THERMOSTAT.
3. UPON LOSS OF POWER, DAMPER FAILS IN
PLACE.
4. A MINIMUM OF GREATER THAN ZERO IS
REQUIRED FOR CHANGOVER.
JOB NAME:
SUBMITTED BY:
DATE:
DWG %: SD-A-5240.2
REV: A
DATE: 15-31-13
WWW.ANEMOSTAT-HVAC.COM
COPYRIGHT 2017 - ALL RIGHTS RESERVED
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