Heat Controller MMH18DA-1, MMC18DA-1, MMC24DA-1, MMH36TA-1 manual Outdoor, Outside diameter Torque

Page 17

Flaring Work and Connection of Piping

Outdoor

Align the center of the piping and sufficiently tighten the flare nut by hand.

Finally, tighten the flare nut with a torque wrench until the wrench clicks.

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

Outside diameter		Torque
mm	inch	kgf.m (lbf-ft)
Ø6.35	1/4	1.8 ~ 2.5 (13)
Ø9.52	3/8	3.4 ~ 4.2 (20)

Outdoor unit 18/24K BTU/h

A-UNIT

Gas side piping

B-UNIT

Liquid side piping

Torque wrench

Outdoor unit 36K BTU/h

A-UNIT

Gas side piping

B-UNIT

Liquid side piping

C-UNIT

Torque wrench

Installation Manual 17

Image 17

Contents Heat CONTROLLER, INC Table of Contents 36K BTU/h Installation Parts Provided18/24K BTU/h Be sure not to do Be sure to follow the instruction Safety PrecautionsThere is risk of fire or electric shock For electrical work, contactDo not let the air conditioner Do not modify or extend the power cableRun for a long time when Humidity is very high and aInstalling the product Install the drain hose to Keep level even whenAway properly Bad connection may cause Water leakage LeakageRooftop Installations Installation of Indoor, Outdoor UnitSelect the best location Indoor unitSelecting the locationOutdoor Unit Seaside Applications and Installation18/24K BTU/h 36K BTU/h Piping length and elevationMulti-Zone Piping Recommendations Drilling the hole in the wall Mounting Installation PlateCut the pipes Flaring workBurrs removal Putting flare nuts onCheck Connecting the PipingIndoor Foamed polyethylene or equivalent is recommendedWrap the insulation material around all connections Indoor unit installation For left rear piping Indoor unit installation Wrap the insulation material around the connecting portionWorst Practice Best PracticeOutside diameter Torque OutdoorRecommendation Connect the cable to the Indoor unitOutdoor unit Connect the cable to the Outdoor unitHow to connect wiring to the terminals Methods of connecting the cableFor strand wiring High voltage Strand wireModel To check the drainage Checking the drainageDrain piping Pour a glass of water into the evaporatorInsulating the Pipe and Special Piping Applications Leak Checking Air Purging and EvacuationPreparation Leakage testFinishing the job Repeat evacuation procedure for each indoor unitEvacuation Capacity ChargingMax total Evaluation of the performance Prepare remote controlTest Running 03-18-08 No. MFL39059502

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