Mrcool MDUI18024036E Owner’s Manual

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Screw with

Special Fastener

Round

Terminal

Wire

Terminal

Board

Fig. 2.16

Page 24

mrcool.com

Unit Installation

Connecting the Power Cord & Thermostat Wires

For solid wires (Refer to Fig. 2.15 A):

1. Use wire cutters to cut oﬀ the wire end and then peel away about 1 in (25 mm) of the insulation layer.

2. Use a screwdriver to unscrew the terminal screw on the terminal board.

3. Use nippers to bend the solid wire into a ring that ﬁts the terminal screw.

. Form a proper ring and attach to the terminal board. Use a screwdriver to tighten the terminal screw.

For braided/strand wires (Refer to Fig. 2.15 B & Fig. 2.16):

1. Use wire cutters to cut oﬀ the wire end and then peel away about 3/8 in (10 mm) of the insulation layer.

2. Use a screwdriver to unscrew the terminal screw on the terminal board.

3. Use a round terminal fastener or clamp to secure the round terminal ﬁrmly on the peeled wire end.

. Locate the round terminal conduit. Use a screwdriver to replace it and tighten the terminal screw (as

shown in Fig. 2.16).

Fig. 2.15

For all terminal wiring (Refer to Fig. 2.18 & 2.19 (2-3 ton unit) or Fig. 2.20 & 2.21 (4-5 ton unit) on

the next page):

Lead the connection wire and power cord through the insulation tube. Then secure

the wires with wire clamps (as shown in Fig. 2.17).

Fig. 2.17

Cord Clamp

Insulation Tube

1 in (25 mm)

3/8 in (10 mm)

Electrical Connection

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Mrcool MDUI18024036E Universal Series 2 to 3 Ton High-ESP Air Handler