JOHNSON CONTROLS
98
FORM 100.50-NOM6
ISSUE DATE: 8/07/2017
SECTION 5 – SEQUENCE OF OPERATION
Sequence of Operation
The following applies to the
“SUPPLY AIR TEMP
ALARM SETPOINT FOR HEATING”
alarm:
•
The control will initiate a
“SUPPLY AIR TEMP
ALARM FOR HEATING”
and flash an Alarm
Code 39 if the following conditions are met:
– All the stages of heating have been ON for 10
or more minutes.
– The supply air temperature is 20 degrees be-
low the
“SUPPLY AIR TEMP ALARM SETPOINT
FOR HEATING”
setpoint for 10 minutes.
– The outdoor air is not 20.0° F or more cooler
then the
“SUPPLY AIR TEMP ALARM SETPOINT
FOR HEATING”
setpoint.
– The outdoor air damper is not open more than
20%
•
In order to reset the above Alarm power to the unit
must be cycled ON and OFF.
The following applies to the
“ECONOMIZER MINI-
MUM POSITION”
alarm:
•
The supply air temperature must be below the
“SUPPLY AIR TEMP ALARM SETPOINT FOR
HEATING”
setpoint and the following sequence
of events have occurred:
– All the stages of heating must have been ON
for 10 or more minutes.
– The outdoor air is 20.0° F or more cooler then
the
“SUPPLY AIR TEMP ALARM SETPOINT
FOR HEATING”
setpoint.
– The economizer must be open more than 20%.
•
If the above criteria is met:
1. The Simplicity Elite control will close the outdoor
damper for ten minutes.
2. After ten minutes, the Simplicity Elite control will
read the supply air temperature.
a. If the supply air temperature is above the
“
SUPPLY AIR TEMP ALARM SETPOINT
FOR HEATING”
, the control will keep the
outdoor damper closed and complete the
heating cycle. The Simplicity Elite control
will declare an
“ECONOMIZER MINIMUM
POSITION”
Alarm and flash an Alarm Code
40.
b. If the supply air temperature is not above the
“SUPPLY AIR TEMP ALARM SETPOINT
FOR HEATING”,
the Simplicity Elite con-
trol will declare a
“SUPPLY AIR TEMP
ALARM FOR HEATING”
Alarm and flash
an Alarm Code 39.
3. After the heating cycle is completed, the Simplic-
ity Elite control sets the outdoor damper to its
minimum position.
4. In order to reset the above alarms power to the
unit must be cycled ON and OFF.
SAT ALARM FOR COOLING
When this feature is turned ON the Simplicity Elite
control monitors the supply air temperature in the cool-
ing mode and will generate an alarm if the supply air
temperature goes above the setpoint, and if conditions
are met, modifies the amount of ventilation air to keep
the supply air temperature below this setpoint when all
the cooling stages are energized. This feature can only
be used on unit operating in the VAV mode.
In order to use this feature
“SUPPLY AIR TEMP
ALARM SETPOINT FOR COOLING”
must be pro-
grammed under the COOLING SETUP tab of the Sim-
plicity PC software package. The following also ap-
plies:
•
If
“SUPPLY AIR TEMP ALARM SETPOINT FOR
COOLING”
is set to zero this feature is disabled.
If not set to zero, then the setting becomes the
alarm setpoint.
•
Set
“SUPPLY AIR TEMP ALARM SETPOINT
FOR COOLING”
to the temperature you want to
use for the alarm setpoint. The range is 1.0° F to
80.0° F in 1.0° F increments.
Sequence of Operation
Supply Air Temp Alarm Setpoint for Cooling
Alarm
The control will initiate a
“SUPPLY AIR TEMP
ALARM FOR COOLING”
and flash an Alarm Code 38
if the following conditions are met:
•
All the stages of cooling have been ON for 10 or
more minutes.
•
The supply air temperature is 20 degrees above
the
“SUPPLY AIR TEMP ALARM SETPOINT
FOR COOLING”
setpoint for 10 minutes.
Содержание 050
Страница 112: ...JOHNSON CONTROLS 112 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE SENSOR READINGS LD13017 ...
Страница 113: ...JOHNSON CONTROLS 113 SECTION 6 USER INTERFACE FORM 100 50 NOM6 ISSUE DATE 8 07 2017 6 ECONOMIZER EXHAUST LD13018 ...
Страница 114: ...JOHNSON CONTROLS 114 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE FANS LD13019 ...
Страница 115: ...JOHNSON CONTROLS 115 SECTION 6 USER INTERFACE FORM 100 50 NOM6 ISSUE DATE 8 07 2017 6 COOLING SETUP LD13020 ...
Страница 116: ...JOHNSON CONTROLS 116 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE COOLING STATUS LD13021 ...
Страница 117: ...JOHNSON CONTROLS 117 SECTION 6 USER INTERFACE FORM 100 50 NOM6 ISSUE DATE 8 07 2017 6 HEATING SETUP LD13022 ...
Страница 118: ...JOHNSON CONTROLS 118 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE HEATING STATUS LD13023 ...
Страница 119: ...JOHNSON CONTROLS 119 SECTION 6 USER INTERFACE FORM 100 50 NOM6 ISSUE DATE 8 07 2017 6 SYSTEM OPTIONS LD13024 ...
Страница 120: ...JOHNSON CONTROLS 120 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE OUTPUTS STATUS LD13025 ...
Страница 122: ...JOHNSON CONTROLS 122 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE GRAPHIC LD13027 CLOCK LD13028 ...
Страница 125: ...JOHNSON CONTROLS 125 SECTION 6 USER INTERFACE FORM 100 50 NOM6 ISSUE DATE 8 07 2017 6 ALARMS LD13031 ...