Related Manuals for LG Multi V Water V ARWM072CAS5
Summary of Contents for LG Multi V Water V ARWM072CAS5
- Page 1 ENGINEERING MANUAL Variable Refrigerant Flow Water Source Outdoor Units 6.0 to 48.0 Tons...
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Page 2: Table Of Contents
This symbol indicates situations that may result in equipment or property damage accidents only. This symbol indicates an action that must not be performed. For continual product development, LG Electronics Canada Inc. reserves the right to change specifications without notice. © LG Electronics Canada Inc. -
Page 3: Unit Nomenclature
ARW = MULTI V Water V Water Source Unit (Refrigerant R410A) Type To reduce the risk of designing an improper applied system or one that will not operate correctly, LG requires that LATS software be used on all M = Inverter Heat Pump & Heat Recovery projects. -
Page 4: Refrigerant Charge Worksheet
Chassis I.D. Size Quantity CF (Ref.) Total (lbs.) size, and by pipe segments. LATS can generate an Excel GERP report that can imported into the LG SOPS pricing and ordering system. Linear feet of 1/4" liquid line tubing — — 0.015 Linear feet of 3/8"... -
Page 5: Water Source Unit Product Data
Acoustic Data on page 30 Head Loss by Water Flow on page 33 Accessories on page 34 © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. WSU PRODUCT DATA | 9... -
Page 6: Mechanical Specifications
(variable from 20 to 140Hz. The compressor has a built-in oil levels as low as 47 dB(A) in cooling mode and 51 dB(A) in heating mode. LG customers often ask if the water source unit is running after level sensor to provide real-time oil control. -
Page 7: General Data
– – LG MULTI V Water V simplify and reduce the mechanical and control system design time. The designer no longer has to be concerned with Cooling Performance interconnecting chilled and condenser water piping, air-distribution duct systems, matching and selecting chillers, towers, pumps, coils, fans,... - Page 8 Value is calculated as follows: Δt = Total Heat of Rejection/(Nominal Flow Rate x 500). LG requires that LATS software be used on all projects to ensure correct line sizing. Designer must verify the shop drawing design drawing design against the as built design using LATS. Contractor must also use LG manufactured Y-Branch and Header...
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Page 9: Electrical Data
130% = Maximum Combination Ratio. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. -
Page 10: Dimensions
For continual product development, LG reserves the right to change specifications without notice. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. -
Page 11: Wiring Diagrams
Page 2 of 2 © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. -
Page 12: Refrigerant Flow Diagrams
Pressure Switch © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. - Page 13 Valve © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp.
- Page 14 Valve © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp.
- Page 15 Valve © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp.
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Page 16: Acoustic Data
ARWM576CAS5 48.0 ton © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. -
Page 17: Head Loss By Water Flow
ARWM576CAS5 © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. - Page 18 AJR54072910 © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp.
- Page 19 2-3/4 inches long © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp.
- Page 20 I.D. 1-3/8 © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp.
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Page 21: Accessories
® • Main Memory: 256 MB LGMV is available in different formats, including Mobile LGMV, which is an app for use on wireless devices. Contact your LG Sales Representative for more information. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. -
Page 22: Electrical Connections
ELECTRICAL CONNECTIONS System for Heat Pump Configuration on page 42 System for Heat Recovery Configuration on page 43 DIP Switch Settings For Use With Gen 4 Indoor Units on page 44... - Page 23 Operating the system in reverse phase may break the compressor and other unit components. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp.
- Page 24 Generation 4 Equipment The latest versions of LG s indoor units are designated Generation 4 (Gen 4). or Gen 4 indoor units to operate with Gen 4 indoor unit fea- tures, the air conditioning system must meet the following requirements: •...
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Page 25: Water Loop Circuit Design
WATER LOOP CIRCUIT DESIGN Water Design Guide on page 46 Water Circuit Installation on page 50... -
Page 26: Water Design Guide
575V Performance Data Manual for performance at different entering water temperatures. When entering water temperature is below 59°F, the LG variable water flow control kit Model No. PWFCKN000 is required. At the high end of this temperature range, a heat rejecter (cooling tower, dry cooler, geothermal well) is required to remove heat, while at the low end of the temperature range, an auxiliary heat source (boiler, solar panel, geothermal well) must add heat. - Page 27 O = possibility of occurrence © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp.
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Page 28: Water Circuit Installation
Picture 4 © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. - Page 29 Solenoid Valves (Optional) When entering water temperature is lower than 59ºF, variable water flow control kit PWFCKN000 is required. LG recommends installing a Solenoid valves may be installed to shut off water flow to the water source unit when the unit turns off. Solenoid valves are field supplied, must be rated for 208-230V, and must be wired to terminals L1 and L2 on the water source unit PCB as shown in the following figure.
- Page 30 Variable Water Flow Valve Control Kit for Dual Frame LG recommends installing a variable water flow valve control kit on each water source unit. Refer to the figures on the following pages for Figure 22: Variable Water Flow Valve Control Kits for Dual Frame single, dual, and triple frame configurations.
- Page 31 Pump © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp.
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Page 32: Piping Limitations And Placement Considerations
PIPING LIMITATIONS For Systems Designed for Heat Pump Configuration Following pages present Multi V Water V piping limitations and are for illustrative purposes only. Designers MUST use LATS when designing LG VRF systems. Figure 25: Typical Heat Pump System Building Layout with Piping Limitations. -
Page 33: Piping Limitations
For Systems Designed for Heat Pump Operation Following pages present Multi V Water V piping limitations and are for illustrative purposes only. Designers MUST use LATS when designing LG VRF Following pages present Multi V Water V piping limitations and are for illustrative purposes only. Designers MUST use LATS when designing LG VRF Following pages present Multi V 5 piping limitations and are for illustrative purposes only. - Page 34 The piping MUST be Following pages present Multi V Water V piping limitations and are for illustrative purposes only. Designers MUST use LATS when designing LG VRF Heat Pump Outdoor Unit Service Port Diagram.
- Page 35 For Systems Designed for Heat Recovery Configuration Following pages present Multi V Water V piping limitations and are for illustrative purposes only. Designers MUST use LATS when designing LG VRF Following pages present Multi V Water V piping limitations and are for illustrative purposes only. Designers MUST use LATS when designing LG VRF systems.
- Page 36 For Systems Designed for Heat Recovery Configuration Following pages present Multi V Water V piping limitations and are for illustrative purposes only. Designers MUST use LATS when designing LG VRF Following pages present Multi V Water V piping limitations and are for illustrative purposes only. Designers MUST use LATS when designing LG VRF systems.
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Page 37: Refrigerant Piping For Separated Water Source Units
Multi V Water 5 Piping and Service Ports Piping Selection Following pages present Multi V Water V piping limitations and are for illustrative purposes only. Designers MUST use LATS when designing LG VRF LG Multi V Water 5 systems can be configured to operate as either systems. - Page 38 Toward indoor unit © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp.
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Page 39: Transporting / Lifting Water Source Unit(S)
<Top view> © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. -
Page 40: Installation Considerations
Failure to follow this guideline could cause product malfunction or inefficient performance.. © LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. “LG” is a registered trademark of LG Corp. 74 | LIMITS / PLACEMENT... - Page 41 20001747 ISO 9001: 2008 LG ELECTRONICS INC. LG Electronics, Canada, Inc. Air Conditioning Technologies 20 Norelco Drive, North York, Ontario M9L2X6 EM_MultiV_WaterV_575V_10_1 http://www.lgvrf.ca...