How to Guide

ManualsBrandsMRCOOL ManualsAir Conditioners & FansDIY 3rd Gen ENERGY STAR 23000-BTU 1000-sq ft Single Smart Ductless Mini Split Air Conditioner with Heater ENERGY STAR

www.mrcool.com

DIY

E Star

™

Series

3RD GEN Do-It-Yourself Ductless Mini-Split Heat Pump A/C

Easy Do-It-Yourself installation

with our Quick Connect

line set

Control your unit from anywhere

with our Smartphone App

7 Year Compressor &

5 Year Parts Warranty

SMART CONTROLLER

Note: This guide is for convenience.

Please refer to the more detailed installation

instructions in the manual as needed.

Summary of content (6 pages)

PAGE 1
Easy Do-It-Yourself installation with our Quick Connect® line set Control your unit from anywhere with our Smartphone App 7 Year Compressor & 5 Year Parts Warranty DIY E Star™ Series ® 3RD GEN Do-It-Yourself Ductless Mini-Split Heat Pump A/C SMART CONTROLLER Note: This guide is for convenience. Please refer to the more detailed installation instructions in the manual as needed. www.mrcool.
PAGE 2
STEP 1 - inside 1. Locate the wall template. 2. Place the template on the wall at the installation location. 3. Use the template to mark the drill points and wall hole site. STEP 3 - inside 1. Drill a 3.5 inch diameter hole through the wall, at a slightly downward angle, to accommodate the line set, condensate drain line and communication cable to the exterior condenser. Indoor Wall 4. Remove the template. Outdoor 0.2 - 0.3in (5 - 7 mm) STEP 2 - inside 1.
PAGE 3
STEP 3 - continued STEP 4 - continued 4. Snap the air handler onto the wall bracket. 2. Remove the plastic seals from the indoor handler refrigerant lines. 3. Carefully unroll the amount of Quick Connect® line set needed to connect the indoor handler ﬁttings and the outside condenser. Leave the coiled portion stored near the condenser. 4. Align the Quick Connect® refrigerant lines to the matching indoor handler ﬁttings. Tighten the ﬁrst few threads by hand. STEP 4 - outside 1.
PAGE 4
STEP 5 - outside STEP 6 - outside 1. Carefully roll the excess tubing and place it behind the condenser. 1. Remove the brass caps from the valves on the exterior condenser unit. 2. Attach the bundle connections to the outside condenser. 2. Use an Allen Wrench to open the valve until it stops turning. Be sure not to exert excessive force on the valve. You may hear a soft hissing sound as a slight amount of R-410a refrigerant exits the condenser.
PAGE 5
STEP 7 - outside 1. Remove the electrical cover. 2. Wires and terminals that are numbered should be matched and connected accordingly. WARNING BEFORE PERFORMING ANY ELECTRICAL WORK, TURN OFF ALL POWER TO THE SYSTEM. 3. If the unit is a 115 volt system (12K), hook to terminals _L1_ and __N and Ground. 1. Wire colors of this series / model may diﬀer from previous models, other series and general conventions. 4.
PAGE 6
STEP 8 - continued 1. To protect Quick Connect® connections and reduce vibration, wrap them with the black sound deadening pads. Pack tightly before wrapping the connections with the white pipe insulation. Refer to the diagram on the following page. 2. To protect pipe insulation, use the vinyl tape to wrap the Quick Connect® lines and communication cable snugly together from bottom to top (to shed water). Wrap excess line set together in a coil beside the condenser.