19 | PIR Ready VTR7300 Series-Installation Guide
SeqOpera
Sequence of
operation
Default is:
Sequence #1
Selects the initial sequence of operation required by the
installation type and the application
SYSTEM = 2 PIPES
SYSTEM = 4 PIPES
0 = Cooling Only
Available
Available
1 = Heating Only
Available
Available
2 = Cooling / Heating
or
Cooling With
Electric Reheat
Available
Cooling With Electric Reheat
Available
Cooling / Heating
3 = Heating With
Electric Reheat
Available
Not available
4 = Electric Reheat Only
Available
Not available
For 2 Pipe output applications, the system access is limited
if RUI 1 is configured for local changeover COS, COC/NC
or COC/NC. The current water temperature detected by the
RUI 1 then limits the system mode available for the local
configuration or network write.
For sequence 2 & 3, set PulsedHt to On to enable pulsed
electric reheat applications with VR7300B & E
Fan Menu
Mode button menu
configuration
Default is:
Menu #4
Menu displayed are dependent on model used and sequence
of operation selected
Auto Mode operation for sequences 2 and 3 is dependent on
Auto Fan parameter
0 = Low-Med-High
3
Speed configuration
using 3 fan relays ( L-M-H )
1 = Low-High
2
Speed configuration
using 2 fan relays ( L-H )
2 = Low-Med-High-Auto
3
Speed configuration
with Auto fan speed mode
using 3 fan relays ( L-M-H-A )
3 = Low-High-Auto
2
Speed configuration
with Auto fan speed mode using
2 fan relays ( L-H-A )
4 = On-Auto
Single Speed
configuration
. Auto is for Fan on demand / On
is On all the time
DHumiLCK
Dehumidification lockout
Default value:
On = Authorized
Conditional parameter to Humidity models
VTR735xX5x00(X)
Typically toggled via the network.
This variable enables or disables dehumidification based on
central network requirements from the BAS front end
On = Dehumidification Authorized
Off = Dehumidification Not Authorized
