Quick Start Guide

ManualsBrandsMrCool ManualsAir ConditionersDIY Multi-Zone

STEP 8 - Outside

1. Remove the electrical cover by removing the screws

holding it in place.

2. Wires and terminals that are numbered should be

matched and connected accordingly.

3. Terminal L1(A) of the outdoor unit must connect with

terminal 1 on the indoor unit. Continue to match zone to

zone for any additional connections.

4. Replace electrical cover and screw it back into place.

Refer to the diagrams / photo at the bottom left. For more

detailed instructions regarding the electrical connections,

please refer to the Installation Manual.

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. This product is designed to run on 60Hz frequency which is

the North American standard.

5. A certiﬁed electrician is required to supply power from a

disconnect of an appropriate rating - see manual.

STEP 7 - outside

Quick Connect® Line Set

(refrigerant pipe)

Pat. https://mrcool.com/mrcool-patents/

wrap from

bottom to top

to ensure tape

overlap sheds

rain/water

wrap piping all the way to

exterior wall hole

Quick Connect

connections

keep line excess

bundled and coiled

then wrap together

Wrap the Quick Connect®

connections with the black

sound deadening pads. Then

place insulation over them

before line set is wrapped

Up to Three Zones

OPTIONAL

Up to Four Zones

LPPUS REWOP Y

L1(A)

L2(A)

S(A)

L1(B)

L2(B)

S(B)

1(C) 2(C) 3(C) 1(D) 2(D) 3(D)

TO A

TO B

TO D

TO C

OPTIONAL