Advertisement

Owner's Manual
Original Instructions
Commercial Air Conditioners
Multi Variable Air Conditioners
Floor Ceiling Type Indoor Unit
Models:
GMV-ND28ZD/B-T
GMV-ND50ZD/B-T
GMV-ND63ZD/B-T
GMV-ND90ZD/B-T
GMV-ND125ZD/B-T
GMV-ND160ZD/B-T
GMV-ND36ZD/B-T
GMV-ND56ZD/B-T
GMV-ND71ZD/B-T
GMV-ND112ZD/B-T
GMV-ND140ZD/B-T

Advertisement

Table of Contents
loading

Summary of Contents for Gree GMV-ND28ZD/B-T

  • Page 1 Owner's Manual Original Instructions Commercial Air Conditioners Multi Variable Air Conditioners Floor Ceiling Type Indoor Unit Models: GMV-ND28ZD/B-T GMV-ND36ZD/B-T GMV-ND50ZD/B-T GMV-ND56ZD/B-T GMV-ND63ZD/B-T GMV-ND71ZD/B-T GMV-ND90ZD/B-T GMV-ND112ZD/B-T GMV-ND125ZD/B-T GMV-ND140ZD/B-T GMV-ND160ZD/B-T...
  • Page 2 To Users Thank you for selecting Gree product. Please read this instruction manual carefully before installing and using the product, so as to master and correctly use the product. In order to guide you to correctly install and use our product and achieve expected operating effect, we hereby...
  • Page 3 Exception Clauses Manufacturer will bear no responsibilities when personal injury or property loss is caused by the following reasons: (1) Damage the product due to improper use or misuse of the product; (2) Alter, change, maintain or use the product with other equipment without abiding by the instruction manual of manufacturer;...
  • Page 4: Table Of Contents

    Contents 1 Safety Notices (Please be sure to abide)............. 1 2 Product Introduction .................... 3 2.1 Names of Key Components ..................3 2.2 Rated Working Condition ..................3 3 Preparations for Installation ................. 4 3.1 Standard Fittings ...................... 4 3.2 Installation Position Selection ................... 5 3.3 Requirements of Communication Wire Selection .............
  • Page 5: Safety Notices (Please Be Sure To Abide)

    Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit 1 Safety Notices (Please be sure to abide) WARNING: If not abide them strictly, it may cause severe damage to the unit or the people. NOTICE: If not abide them strictly, it may cause slight or medium damage to the unit or the people.
  • Page 6 Do not repair the unit by unit and cut off the main power yourself. Wrong supply immediately, and then maintenance may cause contact Gree appointed service electric shock or fire hazard. center. If those abnormal Please contact Gree circumstances still exit, the unit...
  • Page 7: Product Introduction

    Any personal injury or property loss caused by improper installation, improper debug, unnecessary repair or not following the instructions of this manual should not be the responsibility of Gree Electric Appliances, Inc. of Zhuhai. This Multi VRF System shall only be connected to an appliance suitable for the same refrigerant.
  • Page 8: Preparations For Installation

    Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit 3 Preparations for Installation Note: This picture is for reference only, please refer to the actual product; the unit of dimension is mm. 3.1 Standard Fittings Use the following provided accessories according to the requirement. Name Appearance Q’ty...
  • Page 9: Installation Position Selection

    Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit 3.2 Installation Position Selection (1) The location should be able to withstand the weight of unit. (2) The water can be drained conveniently from drainage pipe. (3) There should be no obstruction near air inlet and air outlet. (4) Follow the installation distance required in the Fig.3.2 below to ensure sufficient space for maintenance.
  • Page 10: Requirements Of Communication Wire Selection

    Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit 3.3 Requirements of Communication Wire Selection Note: If air conditioner used under strong electronic-magnetic interference circumstance, STP (shielded twisted pair) communication cable must be adopted. 3.3.1 Select Communication Line for Indoor Unit and Wired Controller Fig.3.3.1 Total Length of Communication...
  • Page 11: Wiring Requirement

    Dimension of power cord and capacity of air switch: Air Switch Minimum Sectional Minimum Models Power Specification Capacity Area of Grounding Sectional Area of Wire(mm Power Cord (mm GMV-ND28ZD/B-T GMV-ND36ZD/B-T GMV-ND50ZD/B-T GMV-ND56ZD/B-T GMV-ND63ZD/B-T 220-240V-1ph- 50Hz GMV-ND71ZD/B-T 208-230V-1ph- 60Hz GMV-ND90ZD/B-T GMV-ND112ZD/B-T...
  • Page 12: Installation Instructions

    Below are dimensions of A, B, C, etc. for different models: Drainage Outer diameter of pipe(Outer connection pipe(mm) Models Diameter × (mm) (mm) (mm) (mm) (mm) Liquid wall thickness) Gas pipe pipe (mm) GMV-ND28ZD/B-T 6.35 9.52 GMV-ND36ZD/B-T 6.35 12.7 GMV-ND50ZD/B-T GMV-ND56ZD/B-T 9.52 15.9 GMV-ND63ZD/B-T Ф17×1.75 GMV-ND71ZD/B-T 1200 1142 9.52 15.9...
  • Page 13 Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit 4.1.2 Suspend the Indoor Unit (1) Determine the location of the hanger through the paper template, and then remove the paper template, as shown in Fig.4.1.2.1 left. Fig.4.1.2.1 (2) Insert the anchor bolts into the drilled holes, and drive the pins completely into the anchor bolts with a hammer, as shown in Fig.4.1.2.1 right.
  • Page 14 Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit Ceiling type Unit: mm Fig.4.1.2.3 Fig.4.1.2.4 4.1.3 Leveling The water level test must be done after installing the indoor unit to make the unit is horizontal, as shown in Fig.4.1.3. Note: Adjust the height of the unit to make the drain pipe slant slightly downward so that the drainage will become much smoother.
  • Page 15: Refrigerant Pipe Connection

    Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit Fig.4.1.3 4.2 Refrigerant Pipe Connection (1) Aim the flaring port of copper pipe at the center of screwed joint and then tighten the flaring nut with hand as shown in Fig.4.2. (2) Tighten the flaring nut with torque wrench.
  • Page 16 Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit (5) The diameter of drainage hose should be bigger or equal to the diameter of drainage pipe joint. (6) Install drainage pipe according to the following Fig.4.3.1.1 and arrange insulation tow the drainage pipe.
  • Page 17 Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit Unit: mm Fig.4.3.2.1 (7) The horizontal pipe can’t be connected to vertical pipe in the same level; please select the connection way as shown in following figure. No.1: Three-way connection of drainage pipe joints (Fig.4.3.2.2). No.2: Connection of downspout elbow (Fig.4.3.2.3).
  • Page 18 Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit Fig.4.3.2.6 4.3.3 Test of Drainage System (1) Please test drainage system after electric work is finished. Inject approximately 1L purified water to drain pan from air vent, ensure that not to splash the water over the electrical components (e.g.
  • Page 19: Wired Controller Installation

    Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit 4.4 Wired Controller Installation Wired controller is optional accessory. If wired controller is needed, please contact your local dealer and install the wired controller according to the instruction manual. Note: Do perform the commissioning operation before first use, automatic addressing or other settings, please refer to the manual of ODU.
  • Page 20: Power Cord Connection

    Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit 4) Use the screwdriver for tightening the terminal. Unit: mm Fig.5.1.1 Fig.5.1.2 5.2 Power Cord Connection Notes: ① Every unit should be equipped with a circuit breaker for short-circuit and overload protection.
  • Page 21: Connection Of Communication Wire Between Indoor Unit And Outdoor Unit (Or Indoor Unit)

    Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit 5.3 Connection of Communication Wire between Indoor Unit and Outdoor Unit (or Indoor Unit) For units with single-phase power supply. (1) Detach the electric box lid. (2) Let the Communication cable pass through the wiring through-holes. (3) Connect the communication wire to terminal D1 and D2 of indoor 4-bit wiring board, as shown in Fig.5.3.1.
  • Page 22: Wiring Instructions Of Wired Controller And Indoor Units Network

    Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit Fig.5.4.1 (6) Both IDU and wired controller are equipped with signal receiver, and available for remote control respectively. (Fig.5.4.2) Fig.5.4.2 5.5 Wiring Instructions of Wired Controller and Indoor Units Network (1) Communication wire of indoor unit and outdoor unit (or indoor unit) is connected to D1, (2) Wired controller is connected to H1, H2.
  • Page 23 Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit Fig.5.5 Notes: ① The type of indoor units must be the same if they are controlled by the same wired controller. ② When the indoor unit is controlled by two wired controllers, the addresses of the two wired controllers should be different through address setting.
  • Page 24: Routine Maintenance

    Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit 6 Routine Maintenance Warning: ① Do turn off the unit and cut off the main power supply when cleaning the air conditioner to avoid electric shock or injury. ② Stand at solid table when cleaning the unit. ③...
  • Page 25: Table Of Error Codes For Indoor Unit

    Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit 7 Table of Error Codes for Indoor Unit Error Error Error Content Content Content Code Code Code Indoor Units Indoor Unit Error Jumper Cap Error Incompatibility Error Indoor Fan Indoor Unit Network Low Air Quality Warning Protection Address Error...
  • Page 26: Troubleshooting

    Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit 8 Troubleshooting The air conditioner is not expected to be serviced by users. Incorrect repair may cause electric shock or fire, so please contact an authorized service center for professional service. The following checks prior to contact may save your time and money.

Table of Contents