Kidde VM-1 Manual

Chapter 3: Smoke control system programming
VM-1 Smoke Management Application Guide 47
Smoke control sequence
commands
Objective
7
Open outside air dampers for
adjacent zone
Develop positive pressure
and keep out smoke
8
Close exhaust dampers of
adjacent zone systems
Develop positive pressure
9
Start smoke zone return fan Maintain negative pressure
10
Start adjacent zone supply fan Maintain positive pressure
11
Reset the static pressure control
(if present) to maximum allowable
value for all systems under active
VM-1 SCS control
Monitoring and control
12
Monitor air flow and damper
position at panel
Confirms system operation
Single zone smoke control with
common outside air and exhaust air
Table 14 lists the sequence for a single zone smoke
control system with common outside air and exhaust
ducts.
Table 14: Single zone smoke control with common outside air and
exhaust ducts
Smoke control sequence
commands
Objective
1
AUTO OFF Override HVAC system
2
Stop the smoke zone HVAC
supply fan (Where fire is detected)
Reduce pressure
development
3
Close smoke zone supply air
dampers
Isolate smoke zone
4
Stop designated adjacent zone
HVAC return fans
Limit smoke spread
5
Close exhaust dampers of
adjacent zone systems
Limit smoke spread
6
Stop supply and return fans of all
remote zone systems on common
outside air and exhaust ducts
Prevent smoke extension
7
Open (fully) common outside air
damper
Allow for fresh air entry
8
Open (fully) common exhaust
damper
Allow for exhausting smoke
9
Close return air dampers for the
smoke zone
Prevent smoke back-flow
and create negative
pressure
10
Close return air dampers for
adjacent zones
Keep out smoke
Smoke control sequence
commands
Objective
11
Open smoke zone exhaust
damper
Vent smoke, create
negative pressure
12
Turn on smoke zone return air fan Vent smoke, create
negative pressure in fire
area
13
Open supply air dampers on
adjacent zones
Provide fresh air
14
Turn on adjacent zone supply fans Create positive pressure in
zone
15
Turn on common system supply
fan (if not previously activated)
Create positive pressure in
zone
16
Turn on common system exhaust
fan (if not previously activated)
Vent smoke, create
negative pressure in fire
area
17
Reset the static pressure control
(if present) to maximum allowable
value for all systems under active
VM-1 SCS control
Monitoring and control
18
Monitor air flow and damper
position at panel
Confirms system operation
Central system smoke control
Table 15 lists the sequence for a central system smoke
control system.
Table 15: Central system smoke control
Smoke control sequence
commands
Objective
1
AUTO OFF Overrides HVAC controls
2
Open central system outside
exhaust air dampers
Reduce pressure
development in smoke zone
3
Open central system outside
supply air dampers
Limit smoke spread
4
Close central system return air
dampers
Limit smoke spread
5
Close smoke zone supply air
damper
Isolate smoke development
6
Open smoke zone exhaust air
damper
Reduce pressure
development
7
Close adjacent zone exhaust air
dampers
Prepare zones for
pressurization and limit
smoke spread
8
Open fully adjacent zone supply
air dampers
Prepare zones for
pressurization and limit
smoke spread

Kidde VM-1 Specifications

General

Brand	Kidde
Model	VM-1
Category	Fire Alarms
Language	English