EMI enviroair szi ZWHA User Manual

PN 240009907, Rev C [01/13/2014]
SZI Series
Single Zone ~16SEER High-Wall
Ductless Inverter Split Systems
Installation, Operation &
Manintenance Manual
Air Handler (Indoor) Models: ZWHA/ZWHB
Condenser (Outdoor) Models: ZHA/ZHB
An ISO 9001-2008 Certied Company
ECR International, Inc.
2201 Dwyer Avenue • Utica, New York 13501
Phone: 800.325.5279 • Web: enviromaster.com
Presents

EMI enviroair szi ZWHA Specifications

General

Brand	EMI
Model	enviroair szi ZWHA
Category	Air Conditioner
Language	English

Summary

Installation Instructions

Selecting installation place

Guidelines for choosing the ideal location for indoor and outdoor units, considering obstacles and environment.

Indoor unit installation

Detailed steps for mounting the indoor unit, including wall preparation and hole drilling.

Outdoor unit installation

Instructions for securely installing the outdoor unit on its base or bracket, considering noise and vibration.

Refrigerant Pipe Connection

Settlement of outdoor unit

Anchoring the outdoor unit with bolts and nuts for stability and horizontal alignment.

Flaring work

Procedures for correct flaring of copper pipes to prevent refrigerant leaks and ensure system integrity.

Burr removal

Removing burrs from cut pipe ends to ensure proper sealing and prevent damage to fittings.

Electrical Work

Minimum nominal cross-sectional area of conductors

Table specifying wire sizes based on appliance rated current for safe electrical connections.

Connect the cable to the indoor unit

Steps for connecting the power cable to the indoor unit's terminal block safely.

Connect the cable to the outdoor unit

Steps for connecting the power cable to the outdoor unit's terminal block safely.

Air Purging

Air purging with vacuum pump

Procedure for removing air and moisture from the refrigerant system using a vacuum pump for efficiency.

When Using the Vacuum Pump

Detailed steps for performing evacuation using a manifold valve and vacuum pump to achieve vacuum.

Test Running

Safety and leakage check

Performing electrical safety checks and gas leak tests after installation to ensure safe operation.

Test running

Procedures for operating the unit to verify all functions (COOL, HEAT, AUTO, FAN) are working correctly.

Operating Instructions

Parts names

Identification and labeling of indoor and outdoor unit components for easy reference.

Operating temperature

Recommended temperature ranges for cooling, heating, and drying operations for optimal performance.

Airflow direction control

Adjusting the horizontal and vertical louvers for optimal air distribution and comfort.

Care and Maintenance

Cleaning the air filter

Steps for removing and cleaning the air filter to maintain cooling efficiency and unit performance.

Cleaning the Grille, Case and Remote Controller

Instructions for cleaning the unit's exterior surfaces and the remote controller with appropriate materials.

Operation Tips

Auto-restart function

How the unit behaves after a power failure, including automatic restart and memory function.

The protection of outdoor low temperature

Explains the low-temperature protection feature that activates during heating mode to prevent damage.

Troubleshooting Tips

Malfunctions

Table detailing unit malfunctions, specific causes, and necessary actions for resolution.