Summary of Contents for Price acutherm BACnet EF Series
- Page 1 MANUAL – INSTALLATION, OPERATION + MAINTENANCE BACnet™ Motorized VAV Diffuser EF Series v001 – Issue Date: 12/02/22 © 2022 Acutherm. All rights reserved.
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Page 2: Table Of Contents
BACNET™ MOTORIZED VAV DIFFUSER TABLE OF CONTENTS Installation Instructions ..........1 System Balancing ............3 Trouble Shooting ............4 Maintenance & Controlling the System ......7 Two Year Warranty ............8 BACNET™ MOTORIZED VAV DIFFUSER - Manual | acutherm.com... -
Page 3: Installation Instructions
BACNET™ MOTORIZED VAV DIFFUSER INSTALLATION INSTRUCTIONS FORM 091.205 REV 1403 EF-B-M BACnet™ MOTORIZED VAV DIFFUSER Damaged Freight Claim Procedure FIG. 1 DIMENSIONS INSTALLATION, OPERATION AND MAINTENANCE When the diffusers are received, inspect for damage, which may have occurred during shipment. If damage is evident, it NOMINAL should be noted on the carrier’s freight bill. -
Page 4: Installation
BACNET™ MOTORIZED VAV DIFFUSER INSTALLATION INSTRUCTIONS Commissioning The EF-B unit is shipped with default values and will start to operate once power is supplied. To establish communication, switch dip switch AUTOM ‘off’ and set the MAC address using the seven dip switches labeled 1 through 64 using standard seven bit addressing (i.e. -
Page 5: System Balancing
BACNET™ MOTORIZED VAV DIFFUSER SYSTEM AIR BALANCING VAV systems are balanced for design air volume at maximum air flow and systems using Therma-Fuser VAV diffusers are no exception. When all the Therma-Fuser diffusers are set for maximum airflow by fully opening them, the system is really a constant air volume system and is balanced as a constant volume system. -
Page 6: Trouble Shooting
BACNET™ MOTORIZED VAV DIFFUSER TROUBLE SHOOTING Trouble shooting Therma-Fuser diffusers requires looking at the system as a whole. Before examining the Therma-Fuser diffuser for failure it is worth the time to be sure the system is functioning properly and that something has not been overlooked. Before calling Acutherm, please complete the data log for all Therma- Fuser diffusers to be evaluated. - Page 7 . analog_value_27 (iSATemp) = 327 . analog_value_28 (iFlowRate) = 3276 . analog_value_29 (iCO2Level) = 0 BACNET™ MOTORIZED VAV DIFFUSER they are other than as shown above, TROUBLE SHOOTING emporarily remove the override to make the Conditions Outside the EF-B Cont' bjects normal before further checking.
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Page 8: Ef-B Electrical
BACNET™ MOTORIZED VAV DIFFUSER TROUBLE SHOOTING EF-B Electrical FIG. 4 THERMISTORS 15. A green LED near the 24VAC Supply Power terminals should be lit indicating good supply voltage (see Fig. 5 Wiring Diagram). Temperature Resistance 16. Check the fuse near the 24VAC Supply Power terminals (see Fig. 5 Wiring 50ºF / 10ºC 2000 Ω... -
Page 9: Maintenance & Controlling The System
BACNET™ MOTORIZED VAV DIFFUSER MAINTENANCE & CONTROLLING THE SYSTEM Maintenance The moving parts of the EF-B diffuser have no maintenance or lubrication requirements. We are often asked to recommend periodic maintenance procedures and a spare parts stock. Recommended maintenance is to clean the outer surfaces of the Therma-Fuser diffuser - nothing else. -
Page 10: Two Year Warranty
BACNET™ MOTORIZED VAV DIFFUSER TWO YEAR WARRANTY Acutherm warrants that its Model EF-B diffuser, exclusive of any options and accessories (whether factory or field installed) shall be free from defective material or workmanship for a period of two (2) years from the date of shipment and agrees to repair or replace, at its option, any parts that fail during said two (2) year period due to any such defects which would not have occurred had reasonable care and proper usage and all parts and controls remain unaltered. - Page 11 BACNET™ MOTORIZED VAV DIFFUSER NOTES acutherm.com | BACNET™ MOTORIZED VAV DIFFUSER - Manual...
- Page 12 This document contains the most current product information as of this printing. For the most up-to-date product information, please go to acutherm.com © 2022 Acutherm. All rights reserved.
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