Related Manuals for Lennox 4 Series
Summary of Contents for Lennox 4 Series
- Page 1 LENNOX MULTI SPLIT INVERTER AIR CONDITIONER Installation Manual Outdoor Unit - Series 4...
- Page 2 LENNOX MULTI SPLIT INVERTER Outdoor Unit CONTENTS 1.0. Safety Precautions 2.0. Parts 3.0. Technical Data 4.0. Electrical Connections 5.0. Installing the Outdoor Unit 6.0. Maintenance 7.0. Installation Dimensions Diagram 8.0. Checks After Installation 13 23 50 lennoxaus.com.au...
- Page 3 LENNOX MULTI SPLIT INVERTER Outdoor Unit This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
-
Page 4: Safety Precautions
LENNOX MULTI SPLIT INVERTER Outdoor Unit 1.0. SAFETY PRECAUTIONS 1.1. Explanation of Symbols Indicates a hazardous situation that, if not avoided, will result in death or DANGER serious injury. Indicates a hazardous situation that, if not avoided, could result in death WARNING or serious injury. -
Page 5: Installation
LENNOX MULTI SPLIT INVERTER Outdoor Unit • If the following occurs, please turn off air conditioner and disconnect power immediately, and contact the dealer or a qualified professional for service. • Power cord is overheating or damaged. • There is an abnormal sound during operation. - Page 6 LENNOX MULTI SPLIT INVERTER Outdoor Unit 2.0. PARTS Table 1: Parts List Part Description Air Outlet Grille Valve Grille LNMT054V4 Figure 1: Outdoor Unit Model LNMT054V4 LNMT073V4 & LNMT082V4 Figure 2: Outdoor Unit Models LNMT073V4 & LNMT082V4 NOTICE: • The above figures are only intended to be a simple diagram of the appliance and may not correspond to the appearance of the units that have been purchased.
-
Page 7: Technical Data
LENNOX MULTI SPLIT INVERTER Outdoor Unit 3.0. TECHNICAL DATA Table 1: Technical Data Model Electricity Circuit Minimum Power Size (L) Size (P) Size (H) Number Supply Breaker (A) Cable Section (mm2) LNMT054V4 220 - 240V, 50Hz LNMT073V4 220 - 240V, 50Hz... -
Page 8: Electrical Connections
LENNOX MULTI SPLIT INVERTER Outdoor Unit 4.0. ELECTRICAL CONNECTIONS 4.1. Connecting Power WARNING Before obtaining access to terminals all supply circuits must be disconnected. To connect power to the unit: Remove the handle at the right-side plate of the outdoor unit (one screw). -
Page 9: Connecting Indoor Units
LENNOX MULTI SPLIT INVERTER Outdoor Unit • An all-pole disconnection switch having a contact separation of at least 3mm in each pole should be connected in the fixed wiring. • Wrong wiring connections may cause malfunction of some electric components. After fixing the power cable, ensure that there is sufficient spare cable between connection points to prevent cables from being accidentally detached. - Page 10 LENNOX MULTI SPLIT INVERTER Outdoor Unit LNMT073V4 The connection pipes and the connection wiring of the indoor unit A, indoor unit B and indoor unit C must be corresponding to each other respective. Figure 5: Connecting LNMT073V4 LNMT082V4 The connection pipes and the connection wiring of the indoor unit A, indoor unit B, indoor unit C and indoor unit D must be corresponding to each other respective.
- Page 11 LENNOX MULTI SPLIT INVERTER Outdoor Unit 4.3. Connecting the DRED Module • For the connection wire and power cable of the DRED module, it is recommended to use insulated cable that meets IEC 57 of IEC 60245. If the power cable and connection wire are unsuitable for outdoor use, the power cable and connection wire should be installed in conduit to protect against rain and ultra-violet rays.
-
Page 12: Installing The Outdoor Unit
LENNOX MULTI SPLIT INVERTER Outdoor Unit 5.0. INSTALLING THE OUTDOOR UNIT WARNING • Installation must be performed by suitably qualified professionals only. 5.1. Handling • After removing the packaging, check that the contents are intact and complete. • The outdoor unit must always be kept upright. - Page 13 LENNOX MULTI SPLIT INVERTER Outdoor Unit CAUTION • The sum of the capacities of the indoor units should be between 50% and 150% of the outdoor unit capacity. • Wrap all the refrigerant pipes and joints. • Tighten the connections using two wrenches working in opposite directions.
- Page 14 LENNOX MULTI SPLIT INVERTER Outdoor Unit 5.5. Refrigerant Purge Moist air left inside the refrigerant circuit can cause compressor malfunction. After having connected the indoor and outdoor units, purge the air and moisture from the refrigerant circuit using a vacuum pump.
- Page 15 LENNOX MULTI SPLIT INVERTER Outdoor Unit NOTICE: • LNMT054V4 unit needs to be installed on the indoor unit Figure 10: LNMT054V4 Refrigerant Purge Table 7: Conversion Joint Twisting Moments Conversion Joint Twisting Moment (Nm) φ6 15-20 φ9.52 35-40 φ12 45-50 φ16...
-
Page 16: Maintenance
LENNOX MULTI SPLIT INVERTER Outdoor Unit 6.0. MAINTENANCE WARNING • Use suitable instruments for the refrigerant R410A. • Do not use any other refrigerant than R410A. • Do not use mineral oils to clean the unit. 13 23 50 lennoxaus.com.au... - Page 17 The installation must be done by trained and qualified personnel in accordance with this manual. • Ensure that the recommended space is left around the appliance. Figure 12: Lennox Multi Split Inverter Outdoor Unit LNMT054V4 Figure 13: LNMT054V4 Installation Dimensions Diagram 13 23 50 lennoxaus.com.au...
- Page 18 LENNOX MULTI SPLIT INVERTER Outdoor Unit LNMT073V4 & LNMT082V4 Figure 13: LNMT073V4 & LNMT082V4 Installation Dimensions Diagram 13 23 50 lennoxaus.com.au...
-
Page 19: Checks After Installation
LENNOX MULTI SPLIT INVERTER Outdoor Unit 7.0. CHECKS AFTER INSTALLATION Table 8: Checks After Installation Check Items Problems Is the installation secure? The unit may drop, vibrate or increase noise levels Has gas leakage been checked? May cause unsatisfactory cooling and heating... - Page 20 13 23 50 lennoxaus.com.au The contents of this brochure are copyright protected and may not be reproduced in any form without the written consent of Kirby HVAC&R. Recommendations and advice regarding the use of the products described in this publication are to be taken as a guide only and are given without liability on the part of the company or its employees.