5-19
Pt. TYPE: AHUO Description: AHU On (dual relay control)
Operates on General Alarm
Circuit Status LCD Readout (2
nd
line) LED
Normal AHU On Relay ON
Normal AHU On Relay OFF
Normal AHU On Relay CODING
Open AHU On Relay TROUBLE T
Short AHU On Relay TROUBLE T
Disable TBL AHU On Relay TROUBLE T
Off Auto TBL AHU On Relay TROUBLE T
Detailed Description: Used where two auxiliary relays are used to perform
AHU control. One relay for ON and one relay for Off.
Figure 5-49. AHUO Point Type
Pt. TYPE: AHUF Description: AHU Off (dual relay control)
Circuit Status LCD Readout (2
nd
line) LED
Normal AHU Off Relay ON
Normal AHU Off Relay OFF
Normal AHU Off Relay CODING
Open AHU Off Relay TROUBLE T
Short AHU Off Relay TROUBLE T
Disable TBL AHU Off Relay TROUBLE T
Off Auto TBL AHU Off Relay TROUBLE T
Detailed Description: Used where two auxiliary relays are used to perform
AHU control. Works in conjunction with the AHUO point type.
Figure 5-50. AHUF Point Type
Pt. TYPE:
DHOLDER
Description: Door Holder Control (normally Off)
Operates on General Alarm
Circuit Status LCD Readout (2
nd
line) LED
Normal Door holder ON
Normal Door holder OFF
Normal Door holder CODING
Open Door holder TROUBLE T
Short Door holder TROUBLE T
Disable TBL Door holder TROUBLE T
Off Auto TBL Door holder TROUBLE T
Detailed Description: used when the auxiliary relay is connected to door
holders. The relay energizes an alarm, loss of AC power, or when
programmed.
Figure 5-51. DHOLDER Point Type
Point Type Messages for Signal Points, Continued
Signal Points (continued)
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