11.3 Time Proportional Duplex or Current Proportional Duplex Control

Introduction

For HEAT/COOL applications.

 

 

 

Tune the controller with the output above 50% for Heat and below 50%

 

for Cool.

 

 

HEAT/COOL prompts

The “TUNING” function prompts for HEAT/COOL are:

 

HEAT

 

COOL

 

 

PB or GAIN

GAIN2

 

RSETMIN or RSETRPM

RSET2MIN or RSETRPM2

 

RATEMIN

RATE2MIN

 

CYCSEC

CYC2SEC

11.4 Two Sets of Tuning Parameters for Single Output Operation

Introduction

TWO SETS prompts

You can use two sets of tuning constants for single output types and tune each set separately.

The “TUNING” function prompts for two sets are:

PID SET 1

 

PID SET 2

 

PB or GAIN

 

GAIN2

RSETMIN or RSETRPM

RSET2MIN or RSETRPM2

RATEMIN

RATE2MIN

CYCSEC

CYC2SEC

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Image 288
Honeywell UDC 3300 Two Sets of Tuning Parameters for Single Output Operation, Tuning function prompts for HEAT/COOL are