Heat Controller MSS-024B/A, MSH-0186/A manual Connecting Pipings and the cable to Outdoor unit

"

(4) Connecting Pipings and the cable to Outdoor unit

1) Connecting the pipings to the Outdoor unit

1.Align the center of the pipings and sufficiently tighten the flare nut with fingers.

2.	Finally, tighten the flare nut with torque wrench	Outdoor unit
	until the wrench clicks.

" When tightening the flare nut with torque wrench, ensure the direction for tightening follows the arrow on the wrench.

	Pipe Size	Torque
9k,	Liquid Side (1/4')	1.8kg-m(13ft.ibs)
12k	Gas Side (1/2')	5.5kg-m(39.8ft.lbs)
18k, Liquid Side		4.2kg"m(28.9ft.lbs)
24k	Gas Side (518")	6.6kg"m(47.7ft.lbs)

Gas side piping (Bigger Dia.)

Torque wrench

2) Connection of the cable

1. Remove the control cover from the unit by loosening the 3

screws.

2. Dismount caps on the conduit panel.

3. Temporarily mount the conduit tubes on the conduit panel.

4. Property connect both the power supply and low voltage lines to the corresponding terminals on the terminal block.

	5. Ground the unit in accordance with local codes.
"	6. Be sun; to size each wire allowing several inches longer
	than the required length for wiring.
	7. Use lock nuts to secure the condult tubes.

-41 " 011

Connector trade size for this unit is 1W.

Rater to'How to connect wiring to the terminals' for instructions on connecting depending on the wire type you are using.

Wiring Digram connectin cable Low wRa

Indoor Una Outdoor Unit

TermMat TenNrel

(4P)(6P)

Power suppN

High Voltage

L1

L2

©.... , To

branch

]circuit

---"---°°>Ground

1.<::ý shmsfie(dw(dng.

2.Separe" wire the high and low vaboa Line.

3.Use hed1rad dectrice wiring cop" of withstanding temperatures Lip to 16rF.

4.Use ouldoa sndwaterproofconnection cable rated morednan300V for the connection between indoor and a,ldoor a&

"Be sure to comply with local codes while running the wire from the indoor unit to the outdoor unlt(stze of wire and whing method, etc}

"Every wire must be connected firmly.

Outdoor unit

Terminal *blork

"No wire should be allowed to touch refrigerant tubing, the compressor or any moving parts.

Prover Supply

4WG(MIN.) Fuse or breaker

Model Power source ® ® Capacny

9k 12k 1e 115V 14 18 154

18k 1e,230/LOaV 14 18 154

24k 1o,230/208V 14 18 20A

Over
5mm(21	uit panel
'	ting
	supply
Cover control

-33-

0