HAC - Universal Fresh Air Damper
HMI HAC
Series - Universal Fresh Air Control Damper
This universal motorized 24Vac Fresh Air Control Damper, Series HAC, fastens to an air duct in-line to control the flow of air, partially or completely, depending on its mechanical setting. This damper may be ordered with one motor, MS10B Actuator (replaces previous two motor model) or a Belimo actuator.
Features Include:
Other options that may be added:
Colored Wiring Diagrams used with HAC- Series
#2A. Combustion air damper for two furnaces and one replacement air damper
#2A1. Combustion air damper for two furnaces and two replacement air dampers
#2B. Combustion air damper for two furnaces and two replacement air dampers
#2B1. Combustion air damper for two furnaces and two replacement air dampers
#3. Combustion air damper and replacement air damper, Power Close
#3A. Combustion air damper and replacement air damper, Power Open
#3A1. Combustion air damper and replacement air damper, Power Open with switch
#3A2. Combustion air damper and replacement air damper, Power Open with Hoyme Switch
#3A3. Combustion air damper and replacement air damper, Power Open with timer/switch
#4. Replacement air damper opens during firing
#4A. Forced Air Furnace and a replacement air damper, Power Open
#4A1. Forced Air Furnace and a replacement air damper, Power Open
#4A2. Forced Air Furnace and a replacement air damper, Power Open
#4A3. Forced Air Furnace and a replacement air damper, Power Open
#5. 120Vac vent switch, combustion air, and replacement air
#5A. 120Vac vent switch, combustion air and replacement air(2 furnaces)
#5B. 120Vac vent switch, combustion air(2 furnaces), replacement air
#5B1. 120Vac vent switch, combustion air(2 furnaces), replacement air dampers with relays
#5C. 120 Vac two double pole vent switches with two exhaust fans , combustion air and replacement air
#6. 120Vac vent switch, Adaptor 1101 and replacement air damper, Power Close, opens during firing
#6A. 120Vac vent switch, Adaptor 1101 and replacement air damper, Power Open
#6A1. Two 120Vac seperate double-pole vent switchs and fans, Adaptor 1101 and replacement air damper, Power Open
#6A2. Two 120Vac seperate double-pole vent switchs and fans, Adaptor 1101 and replacement air damper, Power Close
#6A3. Combustion Air, Two 120Vac separate vent switchs and fans, Two Adaptor 1101's & replacement air damper, Power Close
#6A4. Two 120Vac separate vent switchs and fans, an Adaptor 1101-05A & an 1102-TWP, replacement air damper, Power Close
#6A5. Two 120Vac separate vent switchs and fans, an Adaptor 1101-05A & an 1102-TWP, replacement air damper, Power Open
#6B. Economizer Circuit System to Ventilate a Computer Server Room
#6C. Vent switch, replacement air - power closed, interlocked with exhaust fan
#6C1. Vent switch, replacement air - power open, interlocked with exhaust fan
#6C2. Vent switch, replacement air - power open, interconnected with exhaust fan, heating cycle and/or cooling cycle.
#7. 24Vac vent switch, combustion air, and replacement air
#7A. 24Vac vent switch, combustion air, and replacement air with two exhaust fans and two individual timers
#7A1. 24Vac vent switch, combustion air, and replacement air with two exhaust fans and two individual timers Power open
#8. 24Vac vent switch and replacement air opens during firing
#8A. 24Vac vent switch and replacement air damper Power Open
#8A1. 24Vac vent controlled by switch and replacement air damper Power Open
#8A2. Replacement air damper Power Open with 120Vac plug-in vent fan and dampers controlled by vent switch
#8A4. Forced Air Furnace having a combustion air supply duct and also a replacement air duct(PC) serving as an air supply for a 120Vac gas dryer.
#8A5. Forced Air Furnace having a combustion air supply duct and also a replacement air duct(PO) serving as an air supply for a 120Vac gas dryer.
#8A7. Forced Air Furnace having a MAC air supply duct and also a replacement air duct(PC) serving as an air supply for a 120Vac gas dryer.
#8A8. Forced Air Furnace having a MAC air supply duct and also a replacement air duct(PO) serving as an air supply for a 120Vac gas dryer.
#8B. 24Vac vent switch with relay, replacement air damper Power Closed
#8B1. 24Vac vent switch with relay, replacement air damper Power Close with exhaust fan
#8C. Two Forced Air Furnaces sharing a replacement air supply duct controlled by one fresh air damper with Power Closed Damper
#8C1. Two Forced Air Furnaces sharing a replacement air supply duct controlled by one fresh air damper with Power Open Damper
#8C2. Two Forced Air Furnaces sharing a replacement air supply duct controlled by one fresh air damper with Power Open Damper
#8C3. Two Forced Air Furnaces sharing a replacement air supply duct controlled by one fresh air damper with Power Open Damper
#8C4. Two Forced Air Furnaces sharing a replacement air supply duct controlled by one fresh air damper with Power Open Damper
#8D. Two Forced Air Furnaces sharing a replacement air supply duct controlled by one fresh air damper with Power Close Damper
#8D1. Two Forced Air Furnaces sharing a replacement air supply duct controlled by one fresh air damper with Power Open Damper
#9. Timer, vent switch, combustion air, and replacement air
#9A. Timer, vent switch and replacement air
#9A1. Timer, vent switch, and replacement air damper, Power Open
#9A2. Timer adaptor combined with 1101 Adaptor
#9A3. Plug-in exhaust fan controlled by a designated ventilation switch and automatic interval timer
#9A4. 120Vac Vent Fans, Vent Switch, Timer Adaptor with 1102-TWP Adaptor, Replacement air damper (Power Open)
#9A5. 120Vac Vent Fans, Vent Switch, Timer Adaptor with 1102-TWP Adaptor, Replacement air damper (Power Close)
#9B. Timer, 3-way vent switch and replacement air
#9B1. Timer, vent switch, replacement air damper, Power Open and a 3-way ventilation switch
#9C. Timer, vent switch, replacement air, Power Close, and an exhaust fan with 3-way ventilation switch
#9C1. Timer, vent switch, replacement air, Power Open, and an exhaust fan with 3-way ventilation switch
#10. Timer, vent switch and replacement air opens during firing
#11. Vent switch, combustion air, and interlocking replacement air
#12. Vent switch and interlocking replacement air Power Close
#12A. Vent switch and interlocking replacement air on a plug in exhaust fan
#12B. Vent switch and interlocking replacement air Power Open
#12C. High volume Kitchen Exhaust fan interconnected to a Forced Air Heating System, replacement air with inlet fan interlocked with a Power Open Damper
| Quick
Links *HAC - 120Vac models *HAC - Brochure *HAC-Installation Instructions *HAC-General Information Sheet *HAC - Colored Wiring Diagrams *Field change HAC - PO to PC *HAC - Power Close w/ Relay *Custom HAC - Example pics *HAC - F - Flue Dampers *HCR/HSI - Rectangular Dampers *HCR - Economizer for A/C Question: * Why can't I use a regular universal motorized damper (HAC) to control the cold air coming from my combustion air duct? * |
This universal motorized 24Vac Fresh Air Control Damper, Series HAC, fastens to an air duct in-line to control the flow of air, partially or completely, depending on its mechanical setting. This damper may be ordered with one motor, MS10B Actuator (replaces previous two motor model) or a Belimo actuator.
CSA
International Certified. Satisfaction guaranteed.
![]() HAC - One Motor |
![]() HAC - MS10B Actuator (replaces old two motor model) |
![]() HAC - Belimo Actuator |
![]() HAC - H - Fresh Air Damper for Heat - |
| 4" - 9" in Diameter | 8" - 12" in Diameter | 8" - 20" in Diameter | Motor
and controls
are mounted 1" away from Damper body |
|
HAC-0x10-OP* HAC-0x10-SP* HAC-0x11-OP* HAC-0x11-SP* |
HAC-0x50-OP* HAC-0x50-SP* HAC-0x51-OP* HAC-0x51-SP* |
Various Belimo Actuator models may be ordered HAC - H - Larger sizes Over 20" in diameter with Belimo Actuators. |
HAC-0x10-OP* - H HAC-0x10-SP* - H HAC-0x11-OP* - H HAC-0x11-SP* - H |
| x = Diameter
in Inches * = PO - Power Open or PC - Power Closed Damper SP* = includes End Switch OP* = No End Switch HAC-0x11-OPO <- the "1" in this position indicates an added relay, a "0" indicates no relay |
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*General
Damper Identification: i.e. HAC - 0611 - SPC - H (Special for heat)
|
Series
|
Diameter (in)
|
Motors
|
Relays
|
End Switch
|
Power
Open/Closed
|
Special for
heat
|
|
HAC
|
06
|
1
|
1
|
S
|
PC
|
H
|
Features Include:
- Easy to install in-line as part of standard air duct.
- Durable, patented HMI HOYME 'spring motor drive' with nylon bearings.
- 26 ga. galv. steel from 4" to 5" dia.; 24 ga. galv. steel from 6" to 9" dia.; 24 ga. galv. re-enforced steel from 10" to 14" dia.; 22 ga. galv. re-enforced steel from 16" to 18" dia.: Other sizes and weight of steel upon request.
-
These dampers can be used for the new ventilation code which requires a designated exhaust fan, a centrally located switch marked 'VENTILATION' and a fresh air intake damper, all interconnected to the furnace circulation fan. See HMI Interface Relay Adaptors' which have been specially designed for these dampers and new ventilation codes.
Other options that may be added:
- Adding Insulated wrap at the factory
-
Using Stainless Steel instead of galv. steel.
-
Adding an End Switch
-
Adding a Relay
-
HCR - Economizer for use with Air conditioner
-
Mounting Collar is included but may be left off
- Interface Relay Adaptors permit connection to Line Voltage controls.
#2A. Combustion air damper for two furnaces and one replacement air damper
#2A1. Combustion air damper for two furnaces and two replacement air dampers
#2B. Combustion air damper for two furnaces and two replacement air dampers
#2B1. Combustion air damper for two furnaces and two replacement air dampers
#3. Combustion air damper and replacement air damper, Power Close
#3A. Combustion air damper and replacement air damper, Power Open
#3A1. Combustion air damper and replacement air damper, Power Open with switch
#3A2. Combustion air damper and replacement air damper, Power Open with Hoyme Switch
#3A3. Combustion air damper and replacement air damper, Power Open with timer/switch
#4. Replacement air damper opens during firing
#4A. Forced Air Furnace and a replacement air damper, Power Open
#4A1. Forced Air Furnace and a replacement air damper, Power Open
#4A2. Forced Air Furnace and a replacement air damper, Power Open
#4A3. Forced Air Furnace and a replacement air damper, Power Open
#5. 120Vac vent switch, combustion air, and replacement air
#5A. 120Vac vent switch, combustion air and replacement air(2 furnaces)
#5B. 120Vac vent switch, combustion air(2 furnaces), replacement air
#5B1. 120Vac vent switch, combustion air(2 furnaces), replacement air dampers with relays
#5C. 120 Vac two double pole vent switches with two exhaust fans , combustion air and replacement air
#6. 120Vac vent switch, Adaptor 1101 and replacement air damper, Power Close, opens during firing
#6A. 120Vac vent switch, Adaptor 1101 and replacement air damper, Power Open
#6A1. Two 120Vac seperate double-pole vent switchs and fans, Adaptor 1101 and replacement air damper, Power Open
#6A2. Two 120Vac seperate double-pole vent switchs and fans, Adaptor 1101 and replacement air damper, Power Close
#6A3. Combustion Air, Two 120Vac separate vent switchs and fans, Two Adaptor 1101's & replacement air damper, Power Close
#6A4. Two 120Vac separate vent switchs and fans, an Adaptor 1101-05A & an 1102-TWP, replacement air damper, Power Close
#6A5. Two 120Vac separate vent switchs and fans, an Adaptor 1101-05A & an 1102-TWP, replacement air damper, Power Open
#6B. Economizer Circuit System to Ventilate a Computer Server Room
#6C. Vent switch, replacement air - power closed, interlocked with exhaust fan
#6C1. Vent switch, replacement air - power open, interlocked with exhaust fan
#6C2. Vent switch, replacement air - power open, interconnected with exhaust fan, heating cycle and/or cooling cycle.
#7. 24Vac vent switch, combustion air, and replacement air
#7A. 24Vac vent switch, combustion air, and replacement air with two exhaust fans and two individual timers
#7A1. 24Vac vent switch, combustion air, and replacement air with two exhaust fans and two individual timers Power open
#8. 24Vac vent switch and replacement air opens during firing
#8A. 24Vac vent switch and replacement air damper Power Open
#8A1. 24Vac vent controlled by switch and replacement air damper Power Open
#8A2. Replacement air damper Power Open with 120Vac plug-in vent fan and dampers controlled by vent switch
#8A4. Forced Air Furnace having a combustion air supply duct and also a replacement air duct(PC) serving as an air supply for a 120Vac gas dryer.
#8A5. Forced Air Furnace having a combustion air supply duct and also a replacement air duct(PO) serving as an air supply for a 120Vac gas dryer.
#8A7. Forced Air Furnace having a MAC air supply duct and also a replacement air duct(PC) serving as an air supply for a 120Vac gas dryer.
#8A8. Forced Air Furnace having a MAC air supply duct and also a replacement air duct(PO) serving as an air supply for a 120Vac gas dryer.
#8B. 24Vac vent switch with relay, replacement air damper Power Closed
#8B1. 24Vac vent switch with relay, replacement air damper Power Close with exhaust fan
#8C. Two Forced Air Furnaces sharing a replacement air supply duct controlled by one fresh air damper with Power Closed Damper
#8C1. Two Forced Air Furnaces sharing a replacement air supply duct controlled by one fresh air damper with Power Open Damper
#8C2. Two Forced Air Furnaces sharing a replacement air supply duct controlled by one fresh air damper with Power Open Damper
#8C3. Two Forced Air Furnaces sharing a replacement air supply duct controlled by one fresh air damper with Power Open Damper
#8C4. Two Forced Air Furnaces sharing a replacement air supply duct controlled by one fresh air damper with Power Open Damper
#8D. Two Forced Air Furnaces sharing a replacement air supply duct controlled by one fresh air damper with Power Close Damper
#8D1. Two Forced Air Furnaces sharing a replacement air supply duct controlled by one fresh air damper with Power Open Damper
#9. Timer, vent switch, combustion air, and replacement air
#9A. Timer, vent switch and replacement air
#9A1. Timer, vent switch, and replacement air damper, Power Open
#9A2. Timer adaptor combined with 1101 Adaptor
#9A3. Plug-in exhaust fan controlled by a designated ventilation switch and automatic interval timer
#9A4. 120Vac Vent Fans, Vent Switch, Timer Adaptor with 1102-TWP Adaptor, Replacement air damper (Power Open)
#9A5. 120Vac Vent Fans, Vent Switch, Timer Adaptor with 1102-TWP Adaptor, Replacement air damper (Power Close)
#9B. Timer, 3-way vent switch and replacement air
#9B1. Timer, vent switch, replacement air damper, Power Open and a 3-way ventilation switch
#9C. Timer, vent switch, replacement air, Power Close, and an exhaust fan with 3-way ventilation switch
#9C1. Timer, vent switch, replacement air, Power Open, and an exhaust fan with 3-way ventilation switch
#10. Timer, vent switch and replacement air opens during firing
#11. Vent switch, combustion air, and interlocking replacement air
#12. Vent switch and interlocking replacement air Power Close
#12A. Vent switch and interlocking replacement air on a plug in exhaust fan
#12B. Vent switch and interlocking replacement air Power Open
#12C. High volume Kitchen Exhaust fan interconnected to a Forced Air Heating System, replacement air with inlet fan interlocked with a Power Open Damper
Last Updated (Wednesday, 20 February 2013 13:54)







