SYSTXCCUID01-- V
Infinityt Control
Installation Instructions
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INFINITY™ SYSTEM
A04031
Fig. 1 - Infinityt Control
NOTE: Read the entire instruction manual before starting the installation.
US Patents: Carrierr U.S. Pat No. 7,243,004, Carrierr U.S. Pat No. 7,775,452
TABLE OF CONTENTS
PAGE SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 INSTALLATION AND START-UP OVERVIEW . . . . . . . . . . 2 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 INSTALLING INFINITY CONTROL . . . . . . . . . . . . . . . . . . . . 3 INITIAL POWER-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 QUICK START . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 INSTALL / SERVICE MENUS . . . . . . . . . . . . . . . . . . . . . . . . . 8 EQUIPMENT SUMMARY MENU . . . . . . . . . . . . . . . . . . . . . . 8 INSTALL MENU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 SETUP MENU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 CHECKOUT MENUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 SERVICE MENUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 OPERATIONAL INFORMATION . . . . . . . . . . . . . . . . . . . . . 15 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 SYSTEM MALFUNCTION SCREEN . . . . . . . . . . . . . . . . . . 18
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may cause death, personal injury or property damage. Consult a qualified installer, service agency or your distributor or branch for information or assistance. The qualified installer or agency must use factory-authorized kits or accessories when modifying this product. Refer to the individual instructions packaged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses, protective clothing, and work gloves. Have a fire extinguisher available. Read these instructions thoroughly and follow all warnings and cautions included in literature and attached to the unit. Consult local building codes and the current edition of the National Electrical Code (NEC) NFPA 70.
In Canada, refer to the current editions of the Canadian Electrical Code CSA C22.1.
Recognize safety information. When you see this symbol 
on the unit and in instructions or manuals, 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 hazards, 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.
<![endif]>UID01--V
INSTALLATION, 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.
SInstall indoor unit, outdoor unit, and accessories according to their instructions.
S Wire complete system according to this instruction.
SSetup, 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
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.
For accurate temperature measurement, the following guidelines should be followed:
The Infinity Control and Room Sensors should be mounted: S Approximately 5-ft (1.5 m) from the floor.
SClose 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:
SClose 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.
SIn 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 ZS1 and ZS1C 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.
S1 |
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Sensor 3 |
Sensor 4 |
A07116
Fig. 2 - Remote Room Sensor - Parallel Wiring
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.
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.
Shielded Wire
If the thermostat wiring will be located near or in parallel with high voltage wiring, cable TV or Ethernet wiring, then shielded thermostat wire can be used to reduce or eliminate potential interference. The shield wire should be connected to the C terminal, or ground, at the indoor unit. The shield wire should NOT be connected to any terminal at the user interface. Connecting the shield to ground at both ends can cause current loops in the shield, reducing shield effectiveness.
Mounting Infinity Control
First become familiar with all plastic assembly pieces shown in Figures 3 through 10. The User Interface will snap together with the backplate.
A backplate is supplied (see Fig. 4 and 5). Attach backplate using only a small hole in the wall allowing a four wire connection to pass through. Mount the assembly to the backplate.
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.
Decorative Backplate
Sold separately, a thin decorative backplate (see Fig. 6 and 9) is available to hide any marks/screw holes left from the previous thermostat. This decorative backplate (or beauty ring) is used by snapping it onto the back of the mounting plate before securing the plate to the wall.
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A03185
Fig. 3 - Infinityt Control
A03186
Fig. 4 - Recessed Mount Backplate
A03187
Fig. 5 - Surface Mount Backplate
A04017
Fig. 6 - Thin Decorative Backplate
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Recessed terminal block in wall 11/2˝ wide by 2 1/8˝ high
Recessed Mount
Interlocking Tabs (4)
A03190
Fig. 7 - Recessed Mount Assembly
<![if ! IE]><![endif]>UID01--V
Surface Mount
Backplate to wall
Interlocking Tabs (4)
A03191
Fig. 8 - Surface Mount Assembly
A03188
Fig. 9 - Large Decorative Backplate
A03192
Fig. 10 - Decorative Backplate Assembly
<![endif]>UID01--V
!WARNING
ELECTRICAL OPERATION HAZARD
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.
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-in (4.8 mm) mounting holes in wall where marked.
6.Secure mounting plastic to wall using two screws and anchors provided.
7.Adjust length and routing of each wire to reach each wire entry on the connector backplate. Strip 1/4-in (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.
Variable-Speed
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Optional Remote |
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S2 |
Room Sensor |
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ABCD |
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Humidifier |
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Connections |
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Connection |
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COM |
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24V |
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OAT |
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OAT |
Sensor |
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(Optional)
A03146
Fig. 11 - Universal Four-Wire Connection Diagram
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Variable-Speed |
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User Interface |
Furnace/Fan Coil |
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ABCD |
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Connection |
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Red |
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S1 |
Optional Remote |
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Non-Communicating |
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Room Sensor |
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S2 |
Humidifier |
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HUM |
AC |
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24V |
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OAT |
OAT |
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Sensor |
A07022
Fig. 12 - Connection Diagram for Furnace or FE Fan Coil w/1-Stage AC
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Variable-Speed |
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User Interface |
Fan Coil |
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ABCD |
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S1 |
Optional Remote |
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HUM |
HP |
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Sensor |
A07023
Fig. 13 - Connection Diagram for FE Fan Coil with NonCommunicating 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 be used when connecting to furnace (or fan coil). Ensure connector is inserted properly into circuit board. (See Fig. 14.)
A B C D
A03193
Fig. 14 - Wire ABCD Connector
4
!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 prevent 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.
In a hybrid heat installation with a non-communicating heat pump, an OAT sensor must be installed, or the heat pump with not run.
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 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.
!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.
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.
Humidity/OAT |
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Fan Button |
Button |
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Display Screen |
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(LCD) |
Left-Side |
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Right-Side |
Button |
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Button |
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Time (+/-) |
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Button |
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HEAT |
Heat Button |
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Hold |
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Cool Button |
Button |
HOLD |
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COOL |
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Temperature |
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(+/-) Button |
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SCROLL |
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System |
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Schedule & Vacation |
SCHEDULE |
VACATION |
BASIC |
ADVANCED |
On/Off Button |
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Basic & Advanced |
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Program Buttons |
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PROGRAM |
SETUPS |
Setup Buttons |
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Scroll Buttons |
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Schedule |
Vacation |
Basic |
Advanced |
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to program |
to start/end |
to set time, |
for all other |
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temperature |
vacation |
humidity |
settings |
Door |
schedule
Scroll up & down
A03194
Fig. 15 - Functional Overview
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 WAIT”. 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 Installer will be asked to select Accessories. Packaged Products will be automatically identified and the Installer will be asked to select Accessories. Proceed to Selecting Accessories.
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ESTABLISHING |
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COMMUNICATIONS |
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SEARCHING FOR |
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SEARCHING FOR |
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PLEASE WAIT |
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WORKING |
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VERSION |
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A03195
Fig. 16 - Power Up Sequence
<![endif]>UID01--V
5
<![endif]>UID01--V
NOTE: If the variable-speed indoor equipment (furnace or fan coil) cannot be found, the User Interface will display “CANNOT COMMUNICATE WITH INDOOR UNIT”. This MUST be corrected before the initial power up sequence can continue. If indoor unit is found, but outdoor unit is not found, “OUTDOOR UNIT NOT IDENTIFIED” will appear. Proceed to the next section for Outdoor Unit Identification.
Selecting Outdoor Unit
If there is no communicating outdoor unit, the screen, shown in Fig. 17, will appear. Press either Left or Right Up/Down button to select AC (air conditioner), HP (heat pump), or None (no unit installed). Press right-side button to continue to next screen.
If either AC or HP has been selected as the outdoor unit type, the middle screen will appear (see Fig. 17). Press either Left or Right Up/Down button to select appropriate BTU size of outdoor unit, then press right side button to continue. If a NIM (Network Interface Module) is applied for non-communicating two-stage outdoor equipment, select 1 or 2-stage compressor operation, and press right-side button to continue.
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PRESS +/- TO MAKE |
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SELECTION |
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CONTINUE |
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BACK |
CONTINUE |
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OUTDOOR UNIT
HEAT PUMP
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A03196
Fig. 17 - Selecting Outdoor Unit
NOTE: Range of outdoor unit BTU selection is limited by model number of indoor unit installed. The Infinity Control will not allow an outdoor unit size that is not supported by the installed indoor unit.
NOTE: On new system installations, the model and serial number will be recognized and displayed. On any indoor/outdoor board replacements, the equipment will be recognized but the exact model/serial number will not be displayed.
Selecting Indoor Evaporator Coil
If a furnace is installed with a variable capacity heat pump, a screen will appear to select the installed indoor evaporator coil. This selection is used to adequately calculate refrigerant charge required while in the Heat Pump Charging screens under the Heat Pump Checkout menu. Select “other” for non-Carrier evaporators.
Selecting Electric Heater
If the equipment is a fan coil, packaged heat pump, or packaged AC and the electric heater is not self-identifying, “ELECTRIC HEATER NOT IDENTIFIED” will appear (see Fig. 18). Press either Left or Right Up/Down button to select appropriate size of electric heater installed, then press right-side button to continue. An asterisks (*) will appear next to electric heater sizes that may cause excessive airflow.
ELECTRIC HEATER
NOT IDENTIFIED
ENTER SIZE: |
5 KW |
NONE, 5,10,15 KW |
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PRESS +/- TO MAKE
SELECTION
BACK CONTINUE
A03197
Fig. 18 - Selecting Electric Heater
NOTE: Range of electric heaters available is limited by model number of the equipment installed. The Infinity Control will not allow an electric heater size that is not supported by the installed equipment.
Hydronic Heat Applications
The Infinity Control supports 2 types of Hydronic Heat applications:
1.Hot water coil in combination with an FE fan coil and heat pump, or hot water coil as sole heat source with an FE fan coil.
2.Non-zoned FE fan coil combined with radiant hot water heat.
In either application, a Hydronic Heat kit should be installed in place of an electric heater. See FE fan coil Product Data for accessory part number. The system will identify that Hydonic Heat has been installed during the initial commissioning process. The system will treat the hot water coil as either auxiliary heat in a heat pump application, or the sole heat source. Setup options for Hydronic Heat applications are described in the Setup section of this instruction.
Selecting Accessories
Once the indoor and outdoor equipment have been found or entered, the following screens will appear allowing the Installer to select the “AIR FILTER TYPE; HUMIDIFIER INSTALLED”; and “UV LIGHTS INSTALLED” (See Fig. 19). Use either Left or Right Up/Down button to make appropriate selections in the highlighted area on the display screen. Press right-side button to continue (or advance) to the next screen.
ACCESSORIES |
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ACCESSORIES |
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ACCESSORIES |
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AIR FILTER TYPE: |
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HUMIDIFIER |
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U.V. LIGHTS |
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EAC |
EAC |
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INSTALLED? |
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INSTALLED? |
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YES |
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YES |
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MEDIA |
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MEDIA + EAC |
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PRESS +/- TO MAKE |
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PRESS +/- TO MAKE |
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PRESS +/- TO MAKE |
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SELECTION |
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SELECTION |
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SELECTION |
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CONTINUE |
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BACK |
CONTINUE |
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BACK |
CONTINUE |
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AIR FILTER MEDIA TYPE |
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HUMIDIFIER INSTALLED? |
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U.V. LIGHTS INSTALLED? |
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A03198
Fig. 19 - Accessories —UV Lights
Air Filter Type
This accessory screen will appear first. The installer will need to enter the type of filter (AIR FILTER, ELEC. AIR CLEANER, or PURIFIER). See Table 1 and make a selection using Left or Right Up/Down button, then press right-side button to continue.
Table 1 – Filter Selection
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INSTALLED FILTER |
MENU |
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SELECTION |
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1 inch to 4 inch media |
AIR FILTER |
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High voltage EAC |
AIR CLEANER |
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Infinityt Air Purifier |
AIR PURIFIER |
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Humidifier Installed
This will appear after the Air Filter Type screen. Select whether a humidifier is installed on the system, YES or NO, then press right-side button to continue.
UV Lights Installed
This screen will appear to select whether UV lights are installed on the system, select YES or NO, then press right-side button to continue.
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