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Mandatory rehtconf = 1 = analog duct reheat only – Viconics VZ7260X Installation Guide User Manual

Page 10

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10 | VZ7260B Series - Installation Guide

Mandatory

RehtConf = 2 =
On-Off Duct
Reheat Only

Set BO5 Time to
0= 15 minutes if
using regular 24
VAC relays

Set BO5 Time to
1= 10 seconds if
using 24 VAC
Solid State Relays
(SSRs) for
proportional control

Pressure dependent VAV cooling or heating system with local Analog duct

reheat and central changeover

Mandatory

RehtConf = 1 =
Analog Duct
Reheat Only

Set AO2RA/DA to
DA if SCR input
signal is Direct
Acting 0 to 10 VDC

Set AO2RA/DA to
RA if SCR input
signal is Reverse
Acting 10 to 0 VDC

Mandatory

RehtConf = 1 =
Analog Duct
Reheat Only

Tri-State Floating VAV

Heating and/or Cooling

& Hot Water Reheat Valve

Room Temperature Control

Min, Max and HeatFlow
Positions Adjusted at Thermostat

Hot Water

Valve

Tri-State Floating VAV

Heating and/or Cooling

& On/Off Duct Heater

Room Temperature Control

Min, Max and HeatFlow
Positions Adjusted at Thermostat

UI3

0 V~ Com

24 V~ Hot

BO1

BO5-Aux

BO5-Aux

BO2

Close

Open

1

C

SCR O-10VDC
Input

0 to 10

VDC

UI3

0 V~ Com

24 V~ Hot

AO1

BO5-Aux

BO5-Aux

AO2

UI3

0 V~ Com

24 V~ Hot

BO1

BO2

Close

Open

Close

Open

BO3

BO4