Hitachi E-242SN User Manual

INSTALLATION MANUAL FOR MULTI-KITS
Models:
E-102SN, E-162SN, E-242SN and E-302SN
! NOTE:
Hand over this installation manual to the next installation work
personnel.
1 APPLICABLE OUTDOOR UNITS
These multiple pipe connecting kits can be applied to the R410A
SET-FREE series:
2 TRANSPORTATION
Transport the product as close to the installation location as practical
before unpacking.
" CAUTION:
Do not put any material on the product.
3 BEFORE INSTALLATION
■ Confirm the number of the following parts by referring to the model
printed on the package before unpacking.
■ Do not put foreign materials into the parts. Check to confirm that
no foreign materials are inside the parts before the fixing work is
initiated.
Name of parts
E-102SN
E-162SN E-242SN E-302SN
Figure
Branch Pipe for Gas Line 1
Branch Pipe for Liquid Line 1
Insulation for Gas Line 1
Insulation for Liquid Line 1
Reducer for Gas Line –114
Expander for liquid Line 2111
Acces
sories
Tape 2222
! NOTE:
In any of these parts is not contained, please contact your
distributor
4 INSTALLATION WORK
4.1. Piping Connection Size
■ The end of the multi-Kits is finished as shown in the following
figures. Cut the end of the pipe to meet with the pipe size.
E-102SN
GAS LINELIQUID LINE
E-162SN
GAS LINELIQUID LINE
E-242SN
GAS LINELIQUID LINE
E-302SN
GAS LINELIQUID LINE

Hitachi E-242SN Specifications

General

Brand	Hitachi
Model	E-242SN
Category	Air Conditioner Accessories
Language	English

Summary

Applicable Outdoor Units

Transportation and Safety Precautions

Transportation Guidelines

Transport the product close to the installation location before unpacking and avoid placing any material on it.

Before Installation Checks

Confirm parts count against the model on the package and ensure no foreign materials are inside the parts.

Installation Work and Piping

Piping Connection Size Details

Details on piping connection sizes for multi-kits, cut pipe ends to match specified sizes.

Installation Position Guidelines

Provides guidance for horizontal and vertical installation positioning, including pipe length and inclination.

Refrigerant Piping Cautions

Cautions for refrigerant piping, including securing pipes through walls and avoiding direct ground contact.

Piping Connection Procedures

Details on connecting liquid piping, using appropriate pipe sizes, and insulation attachment for optimal performance.

Brazing and Leakage Precautions

Instructions for brazing with nitrogen and essential safety precautions regarding refrigerant leakage and air tightness.

Insulation and Final Retention

Guidance on attaching insulation for liquid and gas piping, and retaining the manual after installation.