Carrier SYSTXCCUID01- B User Manual

SYSTXCCUID01-- B
Infinityt Control

Installation Instructions

HEAT

HOLD

Fig. 1 -- Infinityt Control

NOTE: Read the entire instruction manual before starting the

installation.

TABLE OF CONTENTS

SAFETY CONSIDERATIONS 1.........................

INTRODUCTION 1...................................

INSTALLATION AND START--UP OVERVIEW 1..........

INSTALLATION 2....................................

INSTALLING INFINITY CONTROL 4....................

INITIAL POWER--UP 5................................

QUICK START 7.....................................

INSTALL / SERVICE MENUS 7.........................

EQUIPMENT SUMMARY MENU 8......................

INSTALL MENU 8....................................

SETUP MENU 8......................................

CHECKOUT MENUS 12...............................

SERVICE MENUS 12..................................

OPERATIONAL INFORMATION 14.....................

TROUBLESHOOTING 15..............................

SYSTEM MALFUNCTION SCREEN 16..................

SAFETY CONSIDERATIONS

Read and follow manufacturer instructions carefully. Follow all
local electrical codes during installation. All wiring must conform
to local and national electrical codes. Improper wiring or
installation may damage the Infinity System.

Recognize safety information. This is the safety-- alert symbol
When you see this symbol on the equipment and in the instruction

COOL

OFF

A03149

PAGE

manual, be alert to the potential for personal injury. Understand the
signal words DANGER, WARNING, and CAUTION.

These words are used with the safety --alert symbol. DANGER
identifies the most serious hazards, which will result in severe
personal injury or death. WARNING signifies a hazard, which
could result in personal injury or death. CAUTION is used to
identify unsafe practices, which may result in minor personal
injury or product and property damage. NOTE is used to highlight
suggestions which will result in enhanced installation, reliability, or
operation.

INTRODUCTION

The Infinity System consists of several intelligent communicating
components which includes the Infinity Control (or User
Interface), variable speed furnace or FE fan coil, 2--stage AC or HP
and Infinity Packaged Products, which continually communicate
with each other via a four--wire connection called the ABCD bus.
Commands, operating conditions, and other data are passed
continually between components over the ABCD bus. The result is
a new level of comfort, versatility, and simplicity.

All Infinity furnaces or fan coils are variable--speed and multi stage
for maximum flexibility, efficiency, and comfort. They support
controlled ventilation, humidification, dehumidification, and air
quality control. Either an Infinity (communicating), or a standard
24VAC controlled outdoor unit may be used.

When using conventional outdoor units, the Infinity furnace or fan
coil provides the 24 volt signals needed to control them. Also, the
Infinity Network Interface Module (P/N SYSTXCCNIM01) allows
connection of a Carrier HRV or ERV without the need for a
separate wall control.

All system components are controlled through the wall mounted
Infinity Control, which replaces the conventional thermostat and
provides the homeowner with a single wall control for all features
of the system.

INSTALLA TION AND START--UP

OVERVIEW

This instruction covers installation of the Infinity Control only.
Physical installation instructions for the indoor and outdoor
equipment, and accessories are provided with each unit.

Setup, commissioning, operation, and troubleshooting of the
Infinity System are covered only in this installation instruction. It is
the guide to connecting the system components and
commissioning the system once all physical components are
installed. Special screen prompts and start--up capabilities are
provided in the Infinity System to simplify and automate the initial
commissioning of the system.

S Install Infinity Control according to this instruction.
S Install indoor unit, outdoor unit, and accessories according to

their instructions.

S Wire complete system according to this instruction.
S Setup, commission, and operate system according to this

.

instruction to assure a smooth and trouble free start--up.

INSTALLATION

Check Equipment and Job Site

Inspect equipment. File claim with shipping company prior to
installation if shipment is damaged or incomplete.

Infinity Control Location and Wiring
Considerations

!

WARNING

S1

Sensor 1

Sensor 2

S2

ELECTRICAL OPERATION HAZARD

Failure to follow this warning could result in personal injury
or death.

Disconnect power before routing control wiring.

All wiring must comply with national, local, and state codes.

Infinity Control Location

The Infinity Control User Interface is the command center for the
Infinity System. It should be located where it is easily accessible
and visible to the adult homeowner or end user.

CCUID01 -- B

For accurate temperature measurement, the following guidelines
should be followed:

The Infinity Control and Room Sensors should be mounted:

S Approximately 5 feet (1.5 meters) from the floor.

S Close to or in a frequently used room, preferably on an inside

partitioning wall.

S On a section of wall without pipes or ductwork.

The Infinity Control and Room Sensors should NOT be mounted:

S Close to a window, on an outside wall, or next to a door leading

to the outside.

S Exposed to direct light or heat from a lamp, sun, fireplace, or

other temperature--radiating objects which could cause a false

reading.

S Close to or in direct airflow from supply registers.

S In areas with poor air circulation, such as behind a door or in an

alcove.

Remote Room Sensor Option

A Remote Room Sensor can be used with the Infinity Control to
take the place of the User Interface internal temperature sensor.
This allows the Infinity Control to be mounted in areas with less
than optimal airflow (such as near an exterior door, window or in a
closet). The remote sensor can be wired to the terminal block
connectors labeled S1 and S2 at the User Interface backplate, or the
OS1 and OS1C connection at the Damper Control Module. In
either case, the Infinity Control will automatically detect the
Remote Room Sensor and ignore its internal temperature sensor.
Typically, one remote sensor is used but, multiple sensors may be
used and averaged in some applications. Averaging requires a
special series--parallel wiring method with a specific number of
sensors. See Fig. 2. It is also important to note the humidity sensor
cannot be remotely located, so do not locate the Infinity Control in
an area where humidity sensing may not be accurate.

NOTE: S1 & S2 connection on User Interface backplate is now
used for Remote Room Sensor, NOT for OAT Sensor hookup.

Wiring Considerations

Ordinary thermostat wire is recommended. Use 22 AWG or larger
for normal wiring applications. Continuous wire lengths over 100
ft. should use 20 AWG or larger.

Sensor 3

Fig. 2 -- Remote Room Sensor -- Parallel Wiring

NOTE: ABCD bus wiring only requires a four--wire connection;

however, it is good practice to run thermostat cable having more
than four wires in the event of a damaged or broken wire during
installation.

Each communicating device in the Infinity System has a four--pin
connector labeled ABCD. It is recommended that the following
color code be used when wiring each device:

A — Green = Data A

B — Yellow = Data B
C — White = 24VAC (Com)

D — Red = 24VAC (Hot)
It is not mandatory that the above color code be used, but each

ABCD connector in the system MUST be wired consistently.

Sensor 4

A07116

Mounting Infinity Control

There are two options for mounting the Infinity Control to the
wall. First, become familiar with all plastic assembly pieces shown
in Fig. 3 through 10. The User Interface will snap together with
either the Recess Mount or the Surface Mount backplate.

Recess Mount

This provides the thinnest mounting configuration (see Fig. 4). The
backplate containing the recessed terminal block can be mounted
directly to the wall by cutting a hole 1 1/2” (38.1 mm) wide by 2
1/8” (54 mm) high. Mark location and cut hole in wall.

NOTE: Always ensure the Infinity Control location is acceptable
before cutting any holes in wall.

Surface Mount

This provides surface mounting configuration, which allows use of
a small hole in the wall. A surface mount backplate is supplied (see
Fig. 5). Attach backplate as shown in Fig. 8, and the assembly will
mount directly to the wall requiring only a small hole in the wall
allowing a four wire connection to pass through.

NOTE: Once Infinity Control is secured to wall with the
backplate assembly (snapped together), care must be taken not to
bend or break the interlocking tabs when removing. Gently remove
Infinity Control by rocking up/down until interlocking tabs release.

Decorative Backplate

Supplied is a thin decorative backplate (see Fig. 6) to hide any
marks/screw holes left from the previous thermostat. This
decorative backplate (or beauty ring) can be used in either the
recess or surface mount installation by snapping it onto back of
recessed mount backplate or surface mount backplate before
securing to wall. See Fig. 9 and 10 for a larger decorative backplate
P/N SYSTXXOLBP01 (5.75”/146 mm wide x 6”/152 mm high),
which can be ordered separately.

2

Fig. 3 -- Infinityt Control

A03185

A04017

Fig. 6 -- Thin Decorative Backplate

Fig. 4 -- Recessed Mount Backplate

Fig. 5 -- Surface Mount Backplate

A03186

A03187

Recessed terminal
block in wall 1
wide by 2

Recessed Mount

1

1

/8˝ high

Interlocking Tabs (4)

Fig. 7 -- Recessed Mount Assembly

Surface Mount
Backplate to wall

Interlocking Tabs (4)

Fig. 8 -- Surface Mount Assembly

/2˝

A03190

A03191

CCUID01 -- B

Fig. 9 -- Large Decorative Backplate

3

A03188

Fig. 10 -- Decorative Backplate Assembly

INSTALLING INFINITY CONTROL

!

WARNING

ELECTRICAL OPERATION HAZARD

CCUID01 -- B

Failure to follow this warning could result in personal injury,
death or equipment damage.

Before installing, modifying, or servicing system, the main
electrical disconnect switch must be in the OFF position.
There may be more than 1 disconnect switch. Lock out and
tag switch with a suitable warning label.

A03192

Variable-Speed

User Interface

A

B

C

D

S1

S2

Green

Yellow

White

Red

Optional Remote

Room Sensor

Furnace/ Fan Coil

Humidifier

Connection

A

B

C

D

HUM

COM
24V

OAT

Green

Yellow

White

Red

ABCD

Connections

OAT

Sensor

(Optional)

Communicating

AC or HP

A

B

C

D

Fig. 11 -- Universal Four--Wire Connection Diagram

Variable-Speed

User Interface

A

B

C

D

S1

S2

Optional Remote

Room Sensor

Furnace/Fan Coil

Green

Yellow

White

Red

Humidifier

Connection

Y/Y2

HUM

COM

A

B

C

D

24V

ABCD

Connection

1-Spd.
Non-Communicating
AC

C

Y

A03146

1. Turn off all power to equipment.

2. If an existing User Interface or control is being replaced:
a. Remove existing control from wall.

b. Disconnect wires from existing control.

c. Discard or recycle old control.

NOTE: Mercury is a hazardous waste, if existing control contains
any mercury, it MUST be disposed of properly. The User Interface
does not contain mercury.

3. Select Infinity Control mounting plastic (recess mount or

surface mount and decorative backplate if desired).

4. Route wires through large hole in mounting plastic. Level

rear plastic against wall (for aesthetic value only -- Infinity
Control need not be level to operate properly) and mark
wall through two mounting holes.

5. Drill two 3/16” (4.8 mm) mounting holes in wall where

marked.

6. Secure mounting plastic to wall using two screws and an-

chors provided.

7. Adjust length and routing of each wire to reach each wire

entry on the connector backplate. Strip 1/4” (6.4 mm) of in­sulation from each wire.

8. Match and connect thermostat wires to proper terminals on

User Interface backplate. See wiring diagram Fig. 11, 12,
and 13.

OAT

OAT

Sensor

A07022

Fig. 12 -- Connection Diagram for Furnace or FE Fan Coil

w/1--Stage AC

Variable-Speed

Humidifier

Connection

Fan Coil

A

B

C

D

HUM

C

G

R

O

W

Y

OAT

ABCD

Connection

1-Spd.
Non-communicating
HP

W2

Y

C

R

O

OAT

Sensor

A07023

User Interface

A

B

C

D

S1

S2

Green

Yellow

White

Red

Optional Remote

Room Sensor

Fig. 13 -- Connection Diagram for FE Fan Coil with

Non-- Communicating 1--stage HP

A — Green = Data A

B — Yellow = Data B
C — White = 24VAC (Com)

D — Red = 24VAC (Hot)
NOTE: It is not mandatory that the above color code be used, but

each ABCD connection in the system MUST be wired consistently.
A separate ABCD Connector comes inside packaging and should

4

be used when connecting to furnace (or fan coil). Ensure connector
is inserted properly into circuit board. (See Fig. 14.)

automatically energize the HUM output during a call for
humidification. The N.O. relay contacts will be used to energize the
humidifier. See fan powered humidifier installation instructions for
more details.

ABCD

A03193

Fig. 14 -- Wire ABCD Connector

!

CAUTION

ELECTRICAL OPERATION HAZARD

Failure to follow this caution may result in equipment damage
or improper operation.

Improper wiring of the ABCD connector will cause the
Infinity System to operate improperly. Check to make sure all
wiring is correct before proceeding with installation or turning
on power.

9. Push any excess wire into the wall. Seal hole in wall to pre-

vent any air leaks. Leaks can affect operation.

10. Attach Infinity Control to the mounting plastic by lining up
the plastic guides on the back of the control with the open­ing on the mounting plastic and push on.

11. Perform installation of all other system equipment (i.e.
dampers, humidifier, ventilator, UV lights, etc.)

12. Turn on power to equipment.

See wiring diagram, Fig. 11, which includes an indoor
communicating furnace or FE fan coil, with a communicating
outdoor unit. No additional OAT (outdoor air temperature) sensor
is required because the Infinity Control will use the temperature
sensor inside the outdoor unit.

See wiring diagram, Fig. 12, for connecting an indoor
communicating furnace or FE fan coil with a 1 --stage air
conditioning unit (non-- communicating outdoor). An Outdoor Air
Temperature (OAT) sensor may be installed (but is not required) at
the indoor furnace or fan coil OAT terminals. When OAT sensor is
applied, the Infinity System will provide enhanced system features
and benefits.

See wiring diagram, Fig. 13, for connecting an FE fan coil with a
1-- stage heat pump (non--communicating outdoor unit). When
OAT is applied, the Infinity System will provide enhanced system
features and benefits.

NOTE: For other applications not listed, refer to the Network
Interface Module (NIM) Installation Instructions.

Humidifier Connection

A 24VAC bypass or fan powered humidifier may be installed.

NOTE: Do Not Use a traditional humidistat to control humidifier
operation. If a humidifier is installed, let the Infinity Control
operate humidifier.

Bypass Humidifiers

A bypass humidifier should be wired directly to the furnace or fan
coil HUM and 24VAC COM terminals. The Infinity Control will
automatically energize the HUM output during a call for
humidification.

Fan Powered Humidifiers

Most fan powered humidifiers produce internal 24VAC in order to
energize upon a switch or contact closure. For this application, a
24VAC N.O. Isolation Relay (DPST) MUST be used to prevent
mixing the internal humidifier power with the indoor equipment
transformer. Applying 24VAC isolation relay coil to furnace or fan
coil HUM and COM terminals will allow the Infinity Control to

!

CAUTION

EQUIPMENT HAZARD

Failure to follow this caution may result in equipment damage.

Do not apply 24VAC fan powered humidifier (with internal
power supply) direct to indoor unit HUM and COM terminals.

Humidity/OAT
Button

Left-Side
Button

Time (+/-)
Button

Hold
Button

Schedule & Vacation
Program Buttons

Up/Down
Scroll Buttons

HOLD

SCHEDULE VACATION

Schedule

to program
temperature

schedule

PROGRAM

Vacation

to start/end

vacation

SCROLL

Scroll

up & down

BASIC

Basic

to set time,

humidity

SETUPS

ADVANCED

Advanced

for all other

settings

HEAT

COOL

Fan Button

Display Screen
(LCD)

Right-Side
Button

Heat Button

Cool Button

Temperature
(+/-) Button

System
On/Off Button

Basic & Advanced
Setup Buttons

Flip Down
Door

A03194

Fig. 15 -- Functional Overview

INITIAL POWER--UP

NOTE: Refer to Functional Overview (see Fig. 15) to become

familiar with key function buttons such as “System On/Off,”
“Fan,” “Left--Side” and “Right--Side” buttons, etc. These function
buttons will be used frequently during setup.

Power Up Sequence

INDOOR UNIT

ESTABLISHING

COMMUNICATIONS

WITH EQUIPMENT

PLEASE WAIT

SOFTWARE

VERSION

SEARCHING FOR

INDOOR EQUIPMENT

WORKING

Fig. 16 -- Power Up Sequence

This section addresses initial power up (or commissioning) of a
new Infinity Control. The User Interface will communicate and
identify all Infinity components in the system. The following is a
typical example for a communicating Variable--Speed Furnace /
Fan Coil with a 2--stage Air Conditioner / Heat Pump (including
Hybrid Heat).

The User Interface display will light up and indicate that it is now
“ESTABLISHING COMMUNICATIONS WITH EQUIPMENT
PLEASE W AIT”. The User Interface will automatically continue
by “SEARCHING FOR EQUIPMENT”, followed by
“SEARCHING FOR OUTDOOR EQUIPMENT” (see Fig. 16).
Once the indoor and outdoor equipment has been found, the

OUTDOOR UNIT

SEARCHING FOR

OUTDOOR EQUIPMENT

WORKING

A03195

CCUID01 -- B

5