Carrier 45VMF009A-3 Installation And Owner's Manual
Carrier 45VMF009A-3 Installation And Owner's Manual

Carrier 45VMF009A-3 Installation And Owner's Manual

Shut-off valve for mini variable refrigerant flow (vrf)

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45VM900055: Installation and Owners Manual
ABOUT THE DOCUMENTATION
Notice: Make sure that the user has the printed documentation and ask
him/her to keep it for future reference.
Target audience
Authorized installers + end users
This appliance is intended to be used by expert or trained users in shops,
in light industry, and on farms, or for commercial and household use by
lay persons.
WARNING
Please thoroughly read and ensure that you fully understand
the safety precautions (including the signs and symbols) in this
manual, and follow relevant instructions during use to prevent
damage to health or property.
Documentation set
This document is part of a documentation set. The complete set consists
of:
• General safety precautions:
– Safety instructions that you must read before installing
• Indoor unit installation and operation manual:
– Installation and operation instructions
• Repeater installation and operation manual:
– Installation and operation instructions
Technical engineering data
Latest revisions of the supplied documentation may be available via your
dealer.
The original documentation is written in English. All other languages are
translations.
SAFETY SIGNS
EXPLANATION OF SAFETY SIGNS
The precautions and things to note in this document involve very
important information. Please read them carefully.
DANGER
Indicates a hazardous situation which, if not avoided, will
result in death or serious injury
WARNING
Indicates a hazardous situation which, if not avoided, could
result in death or serious injury
CAUTION
Indicates a hazardous situation which, if not avoided, could
result in minor or moderate injury
Note: Is used to address practices not related to physical
injury
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Shut-Off Valve for Mini Variable Refrigerant Flow (VRF)
Safety Instructions: Safety instruction (or equivalent) signs indicate
specific safety-related instructions or procedures
Important Information for the Dealer and Service
Personnel
1
Table 1 — Explanation of Symbols Displayed on Unit
DANGER
This symbol shows that this appliance used a
mild flammable refrigerant. If the refrigerant is
leaked and exposed to an external ignition
source, there is a risk of fire.
WARNING
This symbol shows that appliance shall be
installed, operated and stored in a room with a
floor area not less than the minimum room
area.
CAUTION
This symbol indicates that the operation
manual should be read carefully.
CAUTION
This symbol indicates that service personnel
should be handling this equipment while
referencing the installation
manual.
CAUTION
This
symbol
information is available in documents such as
the operating manual or installation manual.
WARNING
• Risk of Fire. Flammable Refrigerant Used.
• Installation, repair, maintenance, decommission and
disposal Should Be Performed Only By Trained and
Certified Service Personnel.
• Information of procedures additional to usual
information for refrigerating appliance installation,
repair, maintenance and decommission procedures is
required when an appliance with FLAMMABLE
REFRIGERANTS is affected.
• The training of these procedures is carried out by
national training organizations or manufacturers that
are accredited to teach the relevant national competency
standards that may be set in legislation.
• The achieved competence should be documented by a
certificate.
45VM900055
indicates
that
additional

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Summary of Contents for Carrier 45VMF009A-3

  • Page 1 45VM900055: Installation and Owners Manual 45VM900055 Shut-Off Valve for Mini Variable Refrigerant Flow (VRF) ABOUT THE DOCUMENTATION Safety Instructions: Safety instruction (or equivalent) signs indicate specific safety-related instructions or procedures Notice: Make sure that the user has the printed documentation and ask Table 1 —...
  • Page 2 45VM900055: Installation and Owners Manual WARNING WARNING • The unit employs FLAMMABLE • Provision shall be made for expansion and contraction of long runs of piping; • REFRIGERANT R-454B. • For add on heat pumps with flammable refrigerants; • 1.General –...
  • Page 3 45VM900055: Installation and Owners Manual WARNING CAUTION • Only auxiliary devices approved appliance • The following checks shall be applied to installations using manufacturer or declared suitable with the refrigerant shall be flammable refrigerants: installed in connecting ductwork. – the refrigerant charge is in accordance with the room size within –...
  • Page 4 45VM900055: Installation and Owners Manual WARNING CAUTION • Sealed electrical components shall be replaced. • If a leakage of refrigerant is found which requires brazing, all of the refrigerant shall be recovered from the system, or • Intrinsically safe components must be replaced. isolated (by means of shut-off valves) in a part of the system •...
  • Page 5 45VM900055: Installation and Owners Manual CAUTION CAUTION • Prior to recharging the system, it shall be pressure-tested with • The recovery equipment shall be in good working order with a the appropriate purging gas. The system shall be leak-tested on set of instructions concerning the equipment that is at hand completion of charging but prior to commissioning.
  • Page 6 45VM900055: Installation and Owners Manual WARNING WARNING REFRIGERANT OIL RISK OF FIRE These units use R-454B refrigerant. Use only R-454B approved Mild flammable refrigerant used. Follow handling instructions service equipment. These units use a POE oil that readily absorbs carefully in compliance with national regulations. moisture from the atmosphere.
  • Page 7 45VM900055: Installation and Owners Manual Table 2 — Extra Releasable Charge (m Extra DANGER These instructions are exclusively intended for qualified contractors and authorized installers. • Work on electrical equipment may only be carried out by a qualified electrician. • Before initial commissioning, all safety - related points must be checked by the particular certified heating contractors.
  • Page 8: Before Installation

    45VM900055: Installation and Owners Manual BEFORE INSTALLATION Precautions Be sure to verify in advance that the refrigerant used in installation is R- 454B. The unit will not operate correctly with a different type of refrigerant. When moving the unit during or after unpacking, hold it using the 4 hanging brackets and avoid subjecting other parts, particularly refrigerant pipes and the control box, to force.
  • Page 9: Dimensional Diagram

    45VM900055: Installation and Owners Manual Table 5 — Torque Values Table 7 — Locally Purchased Components Torque Wrench[ft-lbs (N.m)] 10.5 ~ 12.7 (14.2 ~ 17.2) 24.1 ~ 29.4 (32.7 ~ 39.7) 36.5 ~ 44.5 (49.5 ~ 60.3 ) INSTALL THE MAIN BODY 45.6 ~ 55.6 (61.8 ~ 75.4 ) WARNING 71.7 ~ 87.5 (97.2 ~ 118.6 )
  • Page 10 45VM900055: Installation and Owners Manual 2. Ceiling-suspended type For installation scenarios of hanging screw bolts, refer to Fig. 6. Fig. 4 —Ceiling-Suspension (Correct) Fig. 5 —Ceiling-Suspension (Incorrect) The installation of suspension screw bolts CAUTION • The bolt material is constructed of high quality carbon steel (galvanized or covered other rust preventive materials on the surface) or stainless steel.
  • Page 11: Wall-Mounted Type

    45VM900055: Installation and Owners Manual Hanging the Refrigerant Shut-off Device 1. Adjust the nut’s site, the interval between the gasket (Down Side) and the ceiling should be adjusted according to actual construction circumstances. Fig. 7 —Adjust According to Construction Circumstances 2.
  • Page 12: Refrigerant Piping

    45VM900055: Installation and Owners Manual REFRIGERANT PIPING In addition, high-temperature gas flows in the gas piping, so use insulation that can withstand more than 120°C. For instructions for installing piping between the outdoor unit and the Select insulation material which is suited to the installation environment. refrigerant shut-off device, selecting a indoor branch joints, and installing For details, refer to the Engineering date book.
  • Page 13 45VM900055: Installation and Owners Manual NOTE: The outdoor unit connection pipe of the refrigerant (3.) Use purchased copper pipe shut-off device and the indoor unit connection pipe When purchasing a copper pipe, be sure to use the heat must be connected in accordance with the direction of insulation materials of the same type (with a thickness of the logo on the body of the device and cannot be over 3/8in (9mm)).
  • Page 14: Gas Tightness Test

    45VM900055: Installation and Owners Manual Gas Tightness Test Vacuum Drying 1. Charge the indoor piping with nitrogen at 3 bar(44 psig) through the Vacuum drying should be performed in order to remove moisture and needle valves on the liquid and gas stop valves and leave for at least non-condensable gases from the system.
  • Page 15: Piping Insulation

    45VM900055: Installation and Owners Manual ELECTRICAL WIRING Piping Insulation After the leak test and the vacuum drying are completed, the pipe must be Safety Device Requirements insulated. NOTE: Special power shall be applied within the rated voltage Considerations: range. This unit's external circuit must be grounded. •...
  • Page 16 45VM900055: Installation and Owners Manual The power supply specifications are as follows: WARNING 1. Use copper conductors only. • Do not connect the communication line when the power is on. 2. Use insulated wire for the power cord. • Connect the shielding nets at both ends of the shielded wire to 3.
  • Page 17: Query Instructions

    45VM900055: Installation and Owners Manual Query Instructions Spot check list for general information. Press SW1 and SW2 to forward and backward to spot check the refrigerant shut-off device data. After 1s shows the no., the display will automatically show the data. For example, to check the last fault, press SW1/SW2 to show - -06, then stop and wait for 1s, and the display will show the number of the current outdoor operation mode.
  • Page 18 45VM900055: Installation and Owners Manual © 2025 Carrier. All rights reserved. Edition Date: 01/25 Catalog No: 45VM900055-01SI Replaces: NEW Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

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