MRCOOL DIY-12-HP-115B25 Quick Start Guide

Easy Do-It-Yourself installation
with our Quick Connect
Control your unit from anywhere
with our Smartphone App
7 Year Compressor &
®
line set
DIY
®
E Star
Series
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.
www.mrcool.com
STEP 1 - inside STEP 3 - 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.
4. Remove the template.
STEP 2 - inside
1. Drill screw holes at the indicated points into studs.
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.
Wall
Indoor Outdoor
0.2 - 0.3in (5 - 7 mm)
2. Remove the bracket from the rear of the interior air handler.
3. Screw the metal bracket to the wall according to the template.
4. Use a level to ensure the mounting plate is
flush and level.
2. Use the vinyl tape to wrap the line set, condensate drain line and communication cable into a bundle. The drain MUST be on the bottom.
3. Push the bundle through the wall hole.
condensate drain line
STEP 3 - continued
STEP 4 - continued
4. Snap the air handler onto the wall bracket.
STEP 4 - outside
1. Place outside condenser unit firmly on the
ground or attach it to a secure metal wall bracket or pad. Drain pipe is not required and can be
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.
5. Using open ended wrenches (i.e. crescent or adjustable): hold the points marked “1” and turn the nuts only at the points marked “2” (Select the appropriate wrench according to the dimensions of the connector).
installed as necessary only if elevated.
24in (60cm) above
79in (200cm)
in front
12in (30cm) on left
Ground Installed: 12 in (30 cm) Bracket Installed: 6 in (15 cm) clearance between back and wall
6. Ensure that the screw connectors do not skew while working quickly to tighten them.
1 2
24in (60cm) on right
STEP 5 - outside
STEP 6 - outside
1. Carefully roll the excess tubing and place it behind the condenser.
2. Attach the bundle connections to the outside condenser.
Carefully unroll to indoor handler connection
Radius
Keep excess coiled
Connect directly to exterior condensor
3. Using two crescent or adjustable wrenches, screw the quick connect components together. Use
1. Remove the brass caps from the valves on the exterior condenser unit.
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.
3. Apply soapy water or leak detection spray to the Quick Connect
®
fittings. If you see bubbles, this
indicates there is a leak. Tighten the connection accordingly until the bubbles are gone.
one to hold the valve and keep it from twisting and the other to
tighten the fitting.
4. See manual for tool and torque requirements . Improper connection can void warranty.
STEP 7 - outside
1. Remove the electrical cover.
WARNING
BEFORE PERFORMING ANY ELECTRICAL WORK, TURN OFF ALL POWER TO THE SYSTEM.
1. Wire colors of this series / model may differ from previous models, other series and general conventions.
2. All wiring must be performed in accordance with the
wiring diagrams shown here and all municipal, state and
federal regulations.
4. Be sure whether your unit is 115 volt (12K only) or 208/230 volt (all other sizes). Incorrect voltage can cause serious damage to the system and void the warranty.
5. A certified electrician is required to supply power from a disconnect of an appropriate rating - see manual.
WIRE CONNECTING DIAGRAM
OUTDOOR UNIT TERMINAL
32 L N1
GREEN
RED
WHITE
L N
3
21
TO INDOOR UNIT
WIRE CONNECTING DIAGRAM
OUTDOOR UNIT TERMINAL
32 L1L21
GREEN
Y/G
115V POWERSUPPLY
Y/G
12K
models
only
all
other
models
2. Wires and terminals that are numbered should be matched and connected accordingly.
3. If the unit is a 115 volt system (12K), hook to terminals _L1_ and __N and Ground.
4. If the unit is a 208/230 volt system (all other sizes), hook to terminals _L1_ and _L2_ and Ground.
Refer to the diagrams / photo at the bottom left.
STEP 8 - outside
wrapped from inside unit
Quick Connect connections
wrap the Quick Connect®
connections with the black
sound deadening pads.
®
wrap from bottom to top to ensure tape overlap sheds water
keep line excess bundled and coiled then wrap together
RED
WHITE
21
TO INDOOR UNIT
BLACK
L1L2
3
208/230V POWERSUPPLY
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. Refer to the diagram on the following page.
3. To further improve overall appearance and long term durability it is recommended to install using
®
MRCOOL
STEP 9 - inside
1. Place the provided batteries in the remote control.
2. Press the Power button on the remote control.
3. The MrCool
LineGuard
®
DIY® Series should activate
®
®
DIY
E Star
Series
automatically.
4. To use the MRCOOL the Smart Controller Module instructions included in the box.
®
Smartphone App refer to
Loading...