Carrier KSAIC0301230 Installation Instructions Manual

Carrier KSAIC0301230 Installation Instructions Manual

24v interface kit for ductless systems and hybrid solutions
Hide thumbs Also See for KSAIC0301230:

Advertisement

KSAIC0301230
Read and become familiar with these instructions before beginning
installation.

SAFETY CONSIDERATIONS

Read these instructions thoroughly and follow all warnings or cautions
included in the literature and attached to the unit. Consult local building codes
and National Electrical Code (NEC) for special requirements. Recognize
safety information.
This is the safety-alert symbol
in instructions or manuals, be alert to the potential for personal injury.
Understand these 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.
WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury or death.
Before beginning any modification or installation of this kit, be sure
the main electrical disconnect is in the OFF position.
Ensure power is disconnected to the fan coil unit. On some systems
both the fan coil and the outdoor unit may be on the same disconnect.
Tag the disconnect switch with a suitable warning label. There may
be more than one disconnect.
CAUTION
EQUIPMENT DAMAGE HAZARD
Failure to follow this warning may result in equipment damage.
Do not install the wired controller in an area subjected to excessive
steam, oil or sulfide gas. Doing so may cause the controller to deform
and/or fail.
CAUTION
INSTALLATION
Entrust the distributor or authorized professionals to install the unit.
Installation by unskilled persons may lead to improper installation,
electric shock, or fire. Re-installation must be performed by
authorized professionals. Non-compliance may lead to electric shock
or fire.
Installation Instructions
.
When you see this symbol on the unit and
Specifications subject to change without notice.
for Ductless Systems and Hybrid Solutions

TABLE OF CONTENTS

SAFETY CONSIDERATIONS........................................................1
OVERVIEW .....................................................................................1
DIMENSIONS..................................................................................2
CLEARANCES ................................................................................2
INSTALLATION .............................................................................3
SYSTEM CONFIGURATION SCENARIOS .................................3
WIRING ...........................................................................................8
DIP SWITCHES CONFIGURATION .............................................11
WIRING DIAGRAM .......................................................................13
APPENDIX 1 - COMPATIBILITY CHART...................................14
APPENDIX 3 - FV4C TRANSFORMER........................................15
CONVENTIONAL FAN COILS .....................................................15
APPENDIX 5 - FV4C AIRFLOW DELIVERY ..............................16

OVERVIEW

The 24V INTERFACE KIT is used to connect:
A Single or Multi-zone Ductless System to a 3rd party single stage
conventional thermostat.
A Single Zone Ductless Condensing Unit 38MA*R with an approved
Fan Coil. For other applications, consult your Ductless representative.
NOTES: Images are for illustration purposes only. Actual models may be
slightly different.
Table 1 -Kit Contents: Confirm the following parts are included
No.
Description
1
Control box
2
Installation Manual
3
Screws
4
Wall Anchors
Return Air Thermistor Assembly
7
(Hybrid Solutions) (RCD part
number 11201007003448)
16ft. (5m) Return Air Thermistor
8
Assembly Extension Wires (RCD
part number 17401204010126)
Table 2 - Field Supplied Components: Prepare the following assemblies on site
No.
Description
1
Switch Box
Wiring Tube (insulating sleeve
2
and tightening screw)
24V Interface Kit
Fig. 1 -24V Interface
Qty
1
1
3
M4X20 (for wall mounting)
3
For wall mounting
Required and installed near
1
or on the unit and on the air
For a Return Air
1
Temperature Sensor on
Hybrid Solutions
Qty
Type
1
N/A
1
N/A
PAGE
Remarks
N/A
N/A
inlet side
Remarks
N/A
N/A

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the KSAIC0301230 and is the answer not in the manual?

Questions and answers

Summary of Contents for Carrier KSAIC0301230

  • Page 1: Table Of Contents

    KSAIC0301230 24V Interface Kit for Ductless Systems and Hybrid Solutions Installation Instructions TABLE OF CONTENTS Read and become familiar with these instructions before beginning installation. PAGE SAFETY CONSIDERATIONS SAFETY CONSIDERATIONS............1 OVERVIEW ..................1 DIMENSIONS..................2 Read these instructions thoroughly and follow all warnings or cautions included in the literature and attached to the unit.
  • Page 2: Dimensions

    WARNING CAUTION The wiring should adapt to the wire control current. The shielded wire must be grounded. Sensor connecting cable should Otherwise, electric leakage or overheating may occur and result in a not be longer than 23ft. (7m). The control box operates on low fire.
  • Page 3: Installation

    INSTALLATION Installation Location The 24V INTERFACE KIT is rated for outdoor and indoor mounting Back plate (depending on the application). It is recommended to install as close as possible to the indoor unit and thermostat. Screws (M4×20) IMPORTANT: Follow the recommended clearances and install in an area above the ground away from locations where water could enter.
  • Page 4 SYSTEM CONFIGURATION SCENARIOS Scenario No. 1: NOTES: Follow the Indoor and Outdoor unit's general installation Match the following ductless indoor units with the corresponding instructions. compatible SINGLE ZONE outdoor units: *For the Ducted units, in order to initially setup the static •...
  • Page 5 Scenario No. 2: NOTES: Single Zone Outdoor units 38MBR with approved Ductless indoor units Cassettes, Ducted and Consoles (for proper combinations Follow the Indoor and Outdoor unit's general installation consult the compatibility chart). instructions. • Cassette (sizes 36-48) *For Ducted units, in order to initially setup the static pressure, the 24V interface must be bridged.
  • Page 6 Scenario No. 3: NOTES: Multi-zone Outdoor units 38MGR with approved Ductless indoor units High Walls, Cassettes, Ducted and Consoles. (For proper One 24V interface and one thermostat is required per indoor unit combinations, consult the compatibility chart). head. Follow the Indoor and Outdoor unit's general installation instructions.
  • Page 7 Scenario No. 4: Single Zone outdoor unit 38MA*R with approved multi-family 24V (High) on the 24V interface and connect according to the fan coils FMA/FMC/FMU. (For proper combinations consult the installation manual for these fan coils. compatibility chart in the “APPENDIX 1 - COMPATIBILITY 8.
  • Page 8: Wiring

    Scenario No. 4 (cont): WIRING Control Logic All wires must be sized per NEC (National Electrical Code) or CEC (Canadian Electrical Code) and local codes. Use Electrical Data table Table 5 — Conventional Thermostat Connections MCA (minimum circuit amps) and MOCP (maximum over current protection) to correctly size the wires and the disconnect fuse or Connector Purpose...
  • Page 9 Scenario No. 5: 7. Run 18 AWG thermostat wiring from “G1” on CN18 of the 24 Volt Interface to “G” on the indoor unit terminal board. Single Zone outdoor unit 38MA*R with approved residential 24V fan 8. Install the T1 sensor (included with 24 Volt Interface) on CN5 of coils.
  • Page 10 TXV Replacement Process for Piping Adapter For FV4CNF002L00 and FV4CN(B,F)003L (Refer to Fig. 15) 1. Gain access to the Built-in TXV inside the Fan Coil Cabinet. 2. Double-wrench the TXV mechanical connector and disassemble. 3. Cut the bleed line from the TXV to the suction line and braze closed the capillary tube. 4.
  • Page 11: Dip Switches Configuration

    DIP SWITCHES CONFIGURATION DIP Switch 2-1 Used for selection of the system: Cooling Only or Heat Pump. The 24V INTERFACE KIT must be configured to operate properly with the system components with which it is installed. To successfully Table 10 — DIP Switch 2-1 configure the system, move the Dip Switches to match the SW2-1 Result...
  • Page 12 ERROR CODES For ease of service, the 24V Interface is equipped with a diagnostic code display LED on the control board (ensure the 24V interface is installed with the directional arrow pointing up to successfully read the error code). Refer to the indoor or outdoor unit’s service manual as listed in Table 16 for a troubleshooting breakdown.
  • Page 13: Wiring Diagram

    WIRING DIAGRAM Dry Mode NOTE: If the SW4-1 is ON, the SW4-2 takes effect, otherwise the SW1-2 takes effect. Fan Low/Medium/High Fig. 21 —Wiring Diagram GLOSSARY: • Remote Control (CN14): This is a dry contact to control the indoor unit on and off remotely. •...
  • Page 14: Appendix 1 - Compatibility Chart

    Number Speed Tap Number FMA4X1800AL 38MAQB12R--3 Tap 1 FMA4X1800AL 38MAQB18R--3 Tap 2 FMA4 Vertical 208/230-1 KSAIC0301230 FMA4X2400AL 38MAQB24R--3 Tap 5 Fan Coil FMA4X3000AL 38MAQB30R--3 Tap 2 FMA4X3000AL 38MAQB36R--3 Tap 4 Table 18 — Compatibility with FMC4 Cased Horizontal Fan Coils...
  • Page 15: Appendix 2 - Piping Adapter Bushings/Reducers

    APPENDIX 2 PIPING ADAPTER BUSHINGS/REDUCERS Model Size Bushings/Reducers Required (Field Supplied) 3/4” - 1/2” Suction only 12-18 3/8” - 1/4” Liquid 3/4” - 5/8” Suction only 24-36 3/8” - 1/4” Liquid 12-18 3/8” - 1/4” Liquid and 3/4” - 1/2” Suction 24-36 3/4”...
  • Page 16: Appendix 5 - Fv4C Airflow Delivery

    APPENDIX 5 - FV4C AIRFLOW DELIVERY Table 21 — FV4C Fan Coil Airflow Delivery (CFM) in Heat Pump Only Heating Mode OPERATING MODE SINGLE SPEED APPLICATION FAN ONLY UNIT SIZE OUTDOOR UNIT CAPACITY HEAT PUMP EFFICIENCY HIGH 1050 NOTES: 1. The above airflows result with the AC, HP CFM ADJUST select jumper set on NOM. 2.

Table of Contents

Save PDF