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HVAC Products. PRIMARY CONTROLLERS AMERICAS REGION. Primary Controllers Evolution. Electronic. RWD electronic. RWC electronic. Pneumatic. RC195 Pneumatic. 1977-. 1985-2005. 2004- . Time Line. Primary Controllers – Americas History. Positive Low-cost Low-end controller solution

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Presentation Transcript
hvac products
HVAC Products

PRIMARY CONTROLLERS

AMERICAS REGION

prepared by David H. Jefferson

primary controllers evolution
Primary Controllers Evolution

Electronic

RWD electronic

RWC electronic

Pneumatic

RC195 Pneumatic

1977-

1985-2005

2004-

Time Line

prepared by David H. Jefferson

primary controllers americas history
Primary Controllers – Americas History

Positive

  • Low-cost
  • Low-end controller solution
  • Easy servicing
  • Long life expectancy

RC195

  • Negative
  • No sensor calibration
  • Requires compressor
  • No LCD display, stick on setpoint scales
  • Proportional Control only, no P+I control
  • Control loop tuning difficult

prepared by David H. Jefferson

primary controllers americas history1
Primary Controllers – Americas History

Positive

  • Two sensor inputs for setpoint reset
  • Electronic, not mechanical and requires no maintenance
  • LCD display
  • Plug-in terminals

RWC Controller

  • Negative
  • Heating output is Reverse Acting, cannot change control action.
  • Temperature controller only.

prepared by David H. Jefferson

project phoenix
Project Phoenix

A New Family of Controllers

RWD Range

prepared by David H. Jefferson

rwd62u
RWD62U
  • 24 Vac supply voltage
  • Universal inputs (X1) and (X2) can be Ni1000, Pt1000 or 0 to 10 Vdc
  • Digital input for day/night setpoints
  • Two modulating outputs (Y1) and (Y2)
  • Auxiliary control functions
  • Selectable applications
  • (9 pin) connection for software tool

prepared by David H. Jefferson

rwd68u
RWD68U
  • 24 Vac supply voltage
  • Universal inputs (X1) and (X2) can be Ni1000, Pt1000 or 0 to 10 Vdc
  • Digital input for day/night setpoints
  • One modulating output (Y1) and one digital output (Q11)
  • Auxiliary control functions
  • Selectable applications
  • (9 pin) connection for software tool

prepared by David H. Jefferson

rwd82u
RWD82U
  • 24 Vac supply voltage
  • Universal inputs (X1) and (X2) can be Ni1000, Pt1000 or 0 to 10 Vdc
  • Digital input for day/night setpoints
  • Two digital outputs (Q11) and (Q21) or one to three position
  • Auxiliary control functions
  • Selectable applications
  • (9 pin) connection for software tool

prepared by David H. Jefferson

main applications
Main Applications
  • Refrigeration
  • Air/fluid velocity
  • Air quality
  • Temperature
  • Humidity
  • Air Pressure
  • Fluid Pressure

prepared by David H. Jefferson

auxiliary functions
Auxiliary Functions
  • Day/night setpoints
  • Remote setpoint control
  • Limiter control
  • Cascade control
  • Maximum priority
  • Setpoint compensation
  • Summer/Winter operation

prepared by David H. Jefferson

service and commissioning
Service and Commissioning
  • Installation and commissioning guide included with controller.
  • Simple push button or software tool programming.
  • Standard applications are already pre-programmed.
  • Only parameters relevant to application are displayed on LCD.
  • Detailed application sheets are available.
  • All inputs and outputs displayed on a large LCD screen.

prepared by David H. Jefferson

software tool
Software Tool
  • Standard cable direct from controller to PC
  • Simple, Windows-based operation
  • Numbered, standard applications
  • Customized applications
  • Hide selected parameters from LCD
  • Create an applications library based on customer or system type
  • Single page print-out of settings

prepared by David H. Jefferson

technical documentation
Technical Documentation
  • Installation/commissioning guide
  • Application description sheets
  • Application index
  • Submittal Sheets
  • Technical Instructions

prepared by David H. Jefferson

new family members
SEH62.1U Timeclock

24 Vac 7-day

SPDT output

Digital input for count-down timer

24 Vac power supply

3 modes

Time clock

Time clock + Timer

Timer only

“New” Family Members

prepared by David H. Jefferson

new family members1
SEM62.2U Transformer

120 Vac/24 Vac

30 vac total output

Led secondary power indication

Secondary power on/off switch

Secondary power fuse

Digital contact to initiate countdown

“New” Family Members

prepared by David H. Jefferson

new family members2
ARG62.21 enclosure

Suitable for a single RWD controller

Conduit knockouts at bottom and back

UL approved for line voltage

DIN rail for easy mounting of controller

LCD display visible through opening

“New” Family Members

prepared by David H. Jefferson

rwd controllers
RWD Controllers

Sales Tools

Promotional and Technical

prepared by David H. Jefferson

flyer
Flyer
  • Main benefits and features of RWD.
  • When handing to customers always highlight the “key” benefits and features of interest to the specific customer.
  • New primary controller design.

prepared by David H. Jefferson

rwd demo unit
RWD Demo unit
  • RWD/DEMO
  • Similar to Ace demo
  • unit with controller
  • mounted inside ARG
  • enclosure with external
  • potentiometers.
  • Suitable for workshops,
  • training and customer
  • demonstrations.

prepared by David H. Jefferson

technical documentation1
Technical Documentation

Technical Instructions

Installation and Commissioning Guides

prepared by David H. Jefferson

technical documentation2
Technical Documentation

Application Sheets

prepared by David H. Jefferson

rwd tool kit
RWD Tool Kit
  • PurposeProduct loyalty
  • High value/functional
  • promotional package.
  • RWD accessory .
  • Gift or sale item as
  • determined by wholesalers.
  • During initial release, at
  • no cost to wholesalers.

Contents of tool kit:

  • Mouse pad
  • Set of three screwdrivers
  • PC to controller (9 pin) cable
  • CD including RWD software
    • Screensaver
    • Application Sheets
    • Auxiliary Function Sheets
    • Technical Instructions
    • Installation and commissioning guides

prepared by David H. Jefferson