LG MULTI F LMU183HV User Manual

60
MULTI F / MULTI F MAX Outdoor Unit Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
MULTI
F
MAX
MULTI
F
• $OOSRZHUOLQHYROWDJHZLULQJDQGFRPPXQLFDWLRQFDEOHLQVWDOODWLRQPXVWEHSHUIRUPHGE\WUDLQHGVHUYLFHSURYLGHUVZRUNLQJLQDFFRUGDQFH
ZLWKDOOORFDOVWDWHDQG1DWLRQDO(OHFWULFDO&RGH1(&8/(7/IHGHUDOUHJXODWLRQVUHODWHGWRHOHFWULFDOHTXLSPHQWDQGZLULQJDQGIROORZ-
LQJWKHPDQXIDFWXUHUSURGXFWGLDJUDPVUHTXLUHPHQWVDQGLQVWUXFWLRQVLQWKLVPDQXDO(OHFWULFVKRFNFDQFDXVHSK\VLFDOLQMXU\RUGHDWK
• Be sure that main power to the unit is completely off before proceeding. Follow all safety and warning information outlined at the beginning
RIWKLVPDQXDO)DLOXUHWRGRVRZLOOFDXVHHOHFWULFVKRFNDQGERGLO\LQMXU\
• Install a main shutoff switch or circuit breaker that interrupts all power sources simultaneously (circuit breaker must be resistant to elec-
WURPDJQHWLFFXUUHQWV%HVXUHWKDWWKHFLUFXLWEUHDNHURUVRPHRWKHUHPHUJHQF\SRZHUFXWRIIGHYLFHLVLQSODFHEHIRUHDQ\SRZHUZLULQJLV
GRQHWRWKHV\VWHP)DLOXUHWRGRVRZLOOFDXVHERGLO\LQMXU\RUGHDWK
•
1HYHUWRXFKDQ\SRZHUOLQHVRUOLYHFDEOHVEHIRUHDOOSRZHULVFXWRIIWRWKHV\VWHP7RGRVRZLOOFDXVHERGLO\LQMXU\RUGHDWK
• 3RZHUZLULQJDQGFRPPXQLFDWLRQFDEOHVL]HVPXVWFRPSO\ZLWKDOODSSOLFDEOHIHGHUDOVWDWHDQGORFDOFRGHV8QGHUVL]HGZLULQJZLOOOHDGWR
XQDFFHSWDEOHYROWDJHDWWKHXQLWDQGZLOOFDXVHDILUHZKLFKZLOOFDXVHERGLO\LQMXU\RUGHDWK
• 3URSHUO\JURXQGWKHRXWGRRUXQLWLQGRRUXQLWVDQGEUDQFKGLVWULEXWLRQXQLWV*URXQGZLULQJPXVWDOZD\VEHLQVWDOOHGE\DWUDLQHGWHFKQLFLDQ
*URXQGZLULQJLVUHTXLUHGWRSUHYHQWDFFLGHQWDOHOHFWULFDOVKRFNGXULQJFXUUHQWOHDNDJHZKLFKZLOOFDXVHERGLO\LQMXU\RUGHDWK
• 9HULI\WKDWWKHFLUFXLWEUHDNHULVVHWWR2))EHIRUHLQVWDOOLQJWKHZLULQJV\VWHP(OHFWULFVKRFNFDQFDXVHSK\VLFDOLQMXU\RUGHDWK
• ,QVWDOODSSURSULDWHO\VL]HGEUHDNHUVIXVHVRYHUFXUUHQWSURWHFWLRQVZLWFKHVDQGZLULQJLQDFFRUGDQFHZLWKORFDOVWDWHDQG1(&UHJXODWLRQV
UHODWHGWRHOHFWULFDOHTXLSPHQWDQGZLULQJDQGIROORZLQJWKHLQVWUXFWLRQVLQWKLVPDQXDO*HQHUDWHGRYHUFXUUHQWZLOOLQFOXGHVRPHDPRXQWRI
GLUHFWFXUUHQW8VLQJDQRYHUVL]HGEUHDNHURUIXVHZLOOUHVXOWLQHOHFWULFVKRFNFDXVLQJSK\VLFDOLQMXU\RUGHDWK
•
'RQRWFRQQHFWJURXQGZLUHWRUHIULJHUDQWJDVVHZDJHRUZDWHUSLSLQJWROLJKWQLQJURGVWRWHOHSKRQHJURXQGZLULQJRUWRWKHEXLOGLQJ
SOXPELQJV\VWHP)DLOXUHWRSURSHUO\SURYLGHD1(&DSSURYHGHDUWKJURXQGFDQUHVXOWLQHOHFWULFVKRFN¿UHFDXVLQJSK\VLFDOLQMXU\RUGHDWK
• &RQVLGHUDPELHQWFRQGLWLRQVWHPSHUDWXUHGLUHFWVXQOLJKWLQFOHPHQWZHDWKHUHWFZKHQVHOHFWLQJLQVWDOOLQJDQGFRQQHFWLQJWKHSRZHUZLULQJ
• 3URSHUO\JURXQGWKHRXWGRRUXQLWLQGRRUXQLWVDQGEUDQFKGLVWULEXWLRQXQLWV*URXQGZLULQJPXVWDOZD\VEHLQVWDOOHGE\DWUDLQHGWHFKQLFLDQ
,PSURSHUO\JURXQGHGZLUHFDQFDXVHFRPPXQLFDWLRQSUREOHPVIURPHOHFWULFDOQRLVHDQGPRWRUFXUUHQWOHDNDJH
• ,QVWDOODSSURSULDWHO\VL]HGEUHDNHUVIXVHVRYHUFXUUHQWSURWHFWLRQVZLWFKHVDQGZLULQJLQDFFRUGDQFHZLWKORFDOVWDWHDQG1(&UHJXODWLRQV
UHODWHGWRHOHFWULFDOHTXLSPHQWDQGZLULQJDQGIROORZLQJWKHLQVWUXFWLRQVLQWKLVPDQXDO*HQHUDWHGRYHUFXUUHQWZLOOLQFOXGHVRPHDPRXQWRI
direct current. Using an oversized breaker or fuse will result in equipment malfunction and property damage.
•
'RQRWFRQQHFWJURXQGZLUHWRUHIULJHUDQWJDVRUZDWHUSLSLQJWROLJKWQLQJURGVWRWHOHSKRQHJURXQGZLULQJRUWRWKHEXLOGLQJSOXPELQJ
system. Failure to properly provide a NEC-approved earth ground can result in property damage and equipment malfunction.
• Do not operate the air conditioning system until the refrigerant piping installation is complete. Operating the system before refrigerant
piping is finalized will damage the compressor.
*HQHUDO,QIRUPDWLRQ
ELECTRICAL
Figure 71: Power Wiring and Communication / Connection (Power)
Cable Paths (LMU183, 243HV, 303, 363HV) (Appearances Will Vary).
/RFDWLRQ$FFHVVLQJWKH3RZHU:LULQJDQG&RPPXQLFDWLRQV&DEOH
Connections
1. Detach the outdoor unit panel by loosening the screws.
2. Remove the control cover (if applicable) by loosening the
screws.
3. When all connections are complete, re-attach the cover control to
its original position using the screws, then re-attach the outdoor
unit panel.
Figure 72: Location of the Power Wiring and Communication Cable
Terminals LMU481-541-601HV).
PowerPower Wiring
Conduit
Hole
Communication /
Connection (Power) Cable
(To Indoor Units)
* Verify the rubber
bushings are properly
used in the acess
holes.
.
Communication / Connection
(Power) Cable Terminal (To
Indoor Units / Branch Distribution
Units)
Power Wiring Terminal
Wiring / Cable
Clamps
Wiring / Cable
Clamps
NOTE

LG MULTI F LMU183HV Specifications

General

Brand	LG
Model	MULTI F LMU183HV
Category	Air Conditioner
Language	English