CBV-2U4-3T(-N) |
Control Sequence Overview
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Subject to change without notice
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M
AN0
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9
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FAN CONTROL
PARALLEL SINGLE SPEED FAN
The intermittent single speed fan will be energized when the
CBV-2U4-3T(-N)
is in the heat mode. It will be
off when not in the heat mode.
MODE
COOLING
DEADBAND
HEATING
Occupied
Off
Off
On
Unoccupied
Off
Off
On
Warm-up
Off
Off
Off
Standby
Off
Off
On
Note:
If Flowrate is above the
(A381) then parallel fan will be
disabled. Once Flowrate drops below
(A380) parallel fan will then be enabled. This
is used to prevent high Flowrates at the diffusers.
SERIES SINGLE SPEED FAN
The terminal unit fan will operate continuously whenever the
CBV-2U4-3T(-N)
is in the occupied state. It will
also run whenever the
CBV-2U4-3T(-N)
is in the unoccupied heating or unoccupied cooling mode.
OCCUPIED
ON
ON
ON
Unoccupied
On
Off
On
Warm-up
N/A
Off
On
Standby
On
Off
On
Note:
If Flowrate is above the
(A383) the damper will drive shut until Flowrate is below the
setpoint before starting the fan. This prevents the fan from reverse rotation when starting.
Содержание CBV-2U4-3T
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