User Manual

Siemens Building Technologies Application :15 RWD62/15 - 05.2001
HVAC Products RWD62 1
RWD62/15
RWD62 Universal Controller
Application 15
Cascade control
Room temperature control
Hot water control valve
Control (P or PI)
Room temperature control
Proportional control ( 0..10Vdc ) of the hot water valve.
Cascade control.
Optional day / night set point adjustment .
S1
X1
X2
D1
Y1
Y2
CP
........RWD62.......
M1
Y1
RWD62/15
X1
X2
S1
Y1
PC
Room temperature sensor
Supply air temperature sensor
Time clock or switch
Modulating hot water valve
Personal computer
X1
Universal analogue input - main sensor
Auxiliary analogue input
Digital input
Analogue output
Analogue output
Communication port
T
T
X2
• Room temperature sensor can be selected as Ni1000, Pt1000, or active sensor.
• Adjustable proportional band of analogue output Y1.
• Adjustable Integral action function selection and adjustment for Y1.
• Duct temperature sensor can be selected as Ni1000, Pt1000, or active sensor.
• Cascade control of the supply air by the room temperature sensor.
• Day / night set points can be selected via time clock or switch.
Supplemental features
Control
Operating modes