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To prevent injury to the user or other people and property damage, the following instructions
must be followed.
WARNING
CAUTION
• Consult with the sale agency or the professional installation shop for installation.
• Carefully read Install Manual before installation.
• When refrigerant gas leaks before installation, perform air circulation before work.
• If refrigerant gas touches with fire devices, harmful gas may occur.
• Install product by using dedicated tools and pipe material manufactured for R410A (refrigerant).
• Check refrigerant leaks after work is completed.
• Be careful so that thermal insulation materials and neighboring inflammable substance should
not be ignited when welding.
• Take care so that children should not touch with a vinyl bag and a sharp accessory.
• Wrap thermal insulation materials so that dew will not form on a pipe of refrigerant.
• Refer to Combination Table for the indoor connection capacity.
INSTALLATION MANUAL
Branch Kit
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage.
WARNING
CAUTION
Installation Manual 1
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Summary of Contents for LG PMUB11A
- Page 1 INSTALLATION MANUAL Branch Kit To prevent injury to the user or other people and property damage, the following instructions must be followed. WARNING This symbol indicates the possibility of death or serious injury. CAUTION This symbol indicates the possibility of injury or damage. WARNING •...
- Page 2 Separately use a branch pipe depending on indoor capacity for installation. Unbalance type of branch pipe must be connected depending on large capacity or small capacity. Indoor Classification Model Name Capacity Ratio(%) Remark 2 UNIT PMUB11A 50:50 (1:1) PMUB23A 40:60 (2:3) Unbalance type 3 UNIT PMUB122A 20:40:40 (1:2:2)
- Page 3 4 . Pipe length and difference between high and low Install the branch pipe so that pipe length and difference between high and low will not exceed below SPEC. Branch Pipe Length(m) Spec. Total(Main+Branch) Main Pipe(L1) Branch Pipe----Total Each In out (h1) In-In (h2) L1+L2/L3/L4/L5 Indoor-Indoor_(b)
- Page 4 P/No.: 3828A21005B...