Heat Controller B-MMH09FA-1, B-MMH12FA-1, B-MMC12FA-1, B-MMC09FA-1 Methods of connecting the cable

Connecting the Cable between Indoor Unit and Outdoor Unit

Methods ofconnectingthecable

(1)Remove two-caps on the conduit panel. (for low voltage line)

(2)Pull out connection cable through conduit.

(3)After conduit to the panel, fix nut to the opposite side of panel.

(4)Pass the connection cable through the hole.

(5)Properly connect the cable on the terminal block.

(6)Fix the connection cable with cord clamp provided on the unit to reduce strain at the terminal when the connection cable is pulled outside up to a 35 pound weight

WARNING: Loose wiring may cause the termi- nal to overheat or result in unit malfunction. A

Lock nut

G

Terminal block

Cord clamp

Cap(Reuse)

Hole

(for low voltage line) Cap(Remove)

Taping

(for sealing)

fire hazard may also exist. Therefore, be sure all wiring is tightly connected.

When connecting each power wire to the corresponding terminal, follow instructions "How to connect wiring to the terminals" and fasten the wire tightly using the screw on the terminal plate.

How to connect wiring to the terminals

■For strand wiring

(1)Cut the wire end with a wire cutter or wire-cutting pliers, then strip the insulation to expose the strand wiring about 10mm(3/8").

(2)Using a screwdriver, remove the terminal screw(s) on the terminal plate.

(3)Using a round terminal fastener or pliers, securely clamp each stripped wire end with a round terminal.

(4)Position the round terminal wire, and replace and tighten the terminal screw using a screwdriver.

Power supply line	Conduit panel	Low voltage line
(1ø, 230/208V)		(connecting cable)

High voltage

Strand wire

10mm(3/8")Strip	Round
	terminal

	Low voltage
Loosening the	Fastening the
terminal block	wire tightly
screw

Connecting cable

- 33 - Service Manual