ITI 60-620 Manuale utente

Page 1

Superbus Energy Saver Module

Figure 1 shows the main ESM components and Table 1

describes the main ESM components.

Figure 1. ESM Component Locations

Table 1. ESM Component Descriptions

ESM Component Function

Backup Freeze Stat Activates furnace if temperature

drops to 45°F (±6°F).

ESM Software Ver-

sion Label Identifies the installed software

version.

Unit Number DIP

Switch Determines the ID number of the

ESM on the bus.

Light-Emitting Diode

(LED) Flashes constantly to indicate nor-

mal communication to the panel

bus.

Temperature Sensor Monitors the premises temperature.

Terminal Strip Used for panel and HVAC thermo-

stat connections.

123456

8557G31A.DS4

BACKUP

FREEZE

STAT

LED

ESM SOFTWARE

VERSION LABEL

TERMINAL STRIP

UNIT NUMBER

DIP SWITCH

TEMPERATURE

SENSOR

Superbus Energy Saver

Module

Document Number: 466-1031 Rev. B

January 1997

Installation

Instructions

Product Summary

The Superbus Energy Saver Module (ESM) provides a

money-saving and convenient way to monitor and

control temperatures. The ESM uses low- and high-

temperature limits to save energy by overriding the

existing HVAC thermostat. When the ESM is on,

temperature limits determine when the heat or air-

conditioning turns on. When the ESM is off, the HVAC

thermostat controls heat and air-conditioning.

For example, if the thermostat is set for 68°F and the

ESM high limit is 80°F, the ESM prevents the air-

conditioner from turning on until the temperature reaches

80°F.

A temperature sensor monitors the temperature and

reports a freeze alarm to the panel if the temperature

drops below the set freeze temperature (default = 42°F).

A backup freeze stat provides additional protection by

activating the furnace if the temperature drops to 45°F

(±6°F).

60-620

8841G01A.DS4

Superbus Energy Saver Module

Page 2

Installation Guidelines

Use the following guidelines when installing the ESM:

νFor UltraGard™

systems, up to eight superbus

devices can be connected to the panel (Superbus

Alphanumeric Touchpad, HIM, ESM, etc.).

νEach superbus device must have a different unit ID

number.

νFor UltraGard systems, only one ESM can be

connected to a panel.

νThe ESM’s maximum current draw is 20 mA.

νDo not exceed the panel’s total power when using

panel power for bus devices and hardwired sensors

that require panel power (refer to the specific

panel’s installation instructions).

νUse 4-conductor, 22-gauge or larger stranded wire

from the ESM to the panel.

νUse 2-conductor, 22-gauge or larger stranded wire

from the ESM to the thermostat.

νInstall the ESM on an inside wall, next to or as

close as possible to the existing thermostat. This

keeps the temperature difference between the ESM

and the thermostat to a minimum.

νProgrammable thermostats that use a battery to keep

time and other programmed settings may lose time

and/or programmed settings when the ESM is

turned on. This can happen since the ESM relay is

interrupting the thermostat’s main power, forcing the

thermostat to rely on battery power to save time

and programmed settings. As a result, the thermostat

battery may need to be replaced more often,

depending on how often and how long the ESM is

turned on.

Tools Needed

νSmall pocket-size screwdriver

νScrews and anchors (included)

νDigital voltmeter

Installation

Installation consists of mounting the ESM (next to or as

close as possible to the existing thermostat) and wiring it

to the panel and existing HVAC thermostat.

To mount the ESM:

1. Press down on the top center of the cover and pull

it away from the base (see Figure 2). Set the cover

aside.

Figure 2. Removing the Enclosure Cover

CAUTION: You must be free of static electricity

before handling circuit boards. Wear

a grounding strap or touch a bare

metal surface to discharge static

electricity.

2. Place the ESM on the wall at the desired location

and mark the upper-left and lower-right mounting

holes (see Figure 3).

Figure 3. Mounting Hole Locations

3. Install anchors where studs are not present and

secure the ESM to the wall with the enclosed

screws.

PRESS DOWN

HERE

8857G46A.DS4

123456

MOUNTING HOLES

MOUNTING

HOLE

8557G29A.DS4

Superbus Energy Saver Module

Page 3

Wiring

Some thermostats control heating and cooling, others

control only heating. A heating/cooling thermostat uses

four wires and a heating-only thermostat usually has

two. The general color code for four-wire thermostats is

as follows:

Red: Power feed to thermostat

Green: Fan control

Yellow: Cooling

White: Heating

Note: If the thermostat wire colors are different than

those described above, contact a qualified HVAC

service person for wiring information about the

specific thermostat you are working with. Be sure

to give the service person the manufacturer’s

name and model number of the thermostat.

To wire the ESM to the UltraGard panel:

1. Turn off the panel power switch.

2. Disconnect the panel battery and unplug the power

transformer.

3. Turn off the thermostat and remove its cover.

4. Route a 4-conductor, 22-gauge or larger, stranded

wire from the ESM to the panel.

5. Connect terminals 3 thru 6 to the panel as shown in

Figure 4.

Figure 4. ESM Wiring Connections to the Thermostat

and UltraGard Panel Terminals

6. Route a 2-conductor, 22-gauge or larger, stranded

wire from the ESM to the thermostat.

To connect a four-wire thermostat:

1. Remove the red wire (or power feed) from the ther-

mostat and connect it to ESM terminal 1.

2. Connect a wire from ESM terminal 2, to the ther-

mostat terminal on the where the red wire (or

power feed) was connected.

To connect a two-wire thermostat:

1. Remove one of the wires from the thermostat and

connect it to ESM terminal 1.

2. Connect a wire from ESM terminal 2, to the termi-

nal on the thermostat where the original wire had

been connected.

Setting the ESM Unit ID Number

Before you power up the panel, you must set the unit ID

number on the ESM so that the panel recognizes the

device. Each bus device must have a different unit ID

number for successful communication and operation with

the panel.

To set the ESM unit ID number for UltraGard systems:

Locate the DIP switches on the ESM circuit board

(see Figure 1) and set them to the desired ID num-

ber, 0-7 (see Figure 5).

Note: Switches 1 thru 5 must remain in the OFF posi-

tion as shown in Figure 5.

Figure 5. ESM Unit ID DIP Switch Settings

12 13 14 15

12 3 4 5

ESM TERMINALS

ULTRAGARD

PANEL TERMINALS

THERMOSTAT

TO FURNACE

OUT

BUS

GND

8557G30A.DS4

8557G32A.DS4

UNIT NUMBER 0

UNIT NUMBER 1

UNIT NUMBER 2

UNIT NUMBER 3

UNIT NUMBER 4

UNIT NUMBER 5

UNIT NUMBER 6

UNIT NUMBER 7

678

12345

678

12345

678

12345

678

12345

678

12345

678

12345

678

12345

678

12345

Superbus Energy Saver Module

Page 4

Power Up and Bus Communication

This section describes how to power up the panel and

the ESM and get them communicating with each other.

To power up the UltraGard panel and the ESM:

1. Verify that all wiring at the panel and the ESM are

correct.

2. Reconnect the panel battery and plug in the power

transformer.

3. Turn on the panel power switch.

4. Set the panel’s RUN/PROGRAM switch to

PROGRAM.

If the alphanumeric display reads 1-OFF and the 1

is flashing, you must enter the install code (4-digit

installer access code) to get the panel into the pro-

gram mode.

The alphanumeric display should read PROGRAM

MODE and the ESM LED should be flashing con-

tinuously, indicating successful communication to

the panel.

Note: If the LED is not flashing continuously, set the

RUN/PROGRAM switch to RUN and turn off the

panel power switch. Verify that all wiring is cor-

rect and that all bus devices are set with different

unit ID numbers.

Whenever the ESM unit ID number is changed,

you must turn off the panel power switch, turn it

back on, and then enter the program mode for

the panel and ESM to communicate successfully.

Setting the ESM SET TEMP

The SET TEMP programming command lets you adjust

the ESM temperature so it matches the house thermostat

reading. Refer to the specific panel’s installation

instructions for complete details.

Note: The ESM must be installed and powered up for a

minimum of 15 minutes before adjusting the ESM

temperature, to ensure consistent readings

between the ESM and house thermostat.

For best results, wait an hour before adjusting the

ESM temperature as described in the specific

panel’s

reference manual

Programming and Testing the ESM

For complete ESM programming and testing information,

refer to the specific panel’s installation instructions.

Specifications

Compatibility: UltraGard

Power Requirements: 12 VDC, 30 mA (maximum)

Dimensions: 2.60" x 2.60" x.90" (L x W x D)

Notices

This device complies with part 15 of the FCC rules. Operation is subject to the following

two conditions:

1) This device may not cause harmful interference.

2) This device must accept any interference received, including interference that may

cause undesired operation.

Changes or modifications not expressly approved by Interactive Technologies, Inc. can

void the users authority to operate the equipment

ITI is a registered trademark of Interactive Technologies, Inc. UltraGard is a trademark of

Interactive Technologies, Inc.

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