background image

 

 

RH-CUBE 18 

CZ & HH OUTDOOR UNITS 

INSTALLATION & SERVICE MANUAL 

All safety information must be followed as provided.

Important! Refer to page 10 in regards to refrigerant charge

This manual is to be used by qualified, professionally trained HVAC technicians only. 

DewAir does not assume any responsibility for property damage or personal injury due to improper 
service procedures or services performed by an unqualified person.

It is the owner's and installer's responsibility to read and comply with all safety warnings, information and
instructions. Failure to heed safety information increases the risk of personal injury, property damage, 
and/or product damage.

Copyright © 2019 DewAir Corporation

1

 

RHC18O-IM v2.11     Sep 4, 2019

RH-CUBE 18

 CZ

 uses condenser PN 

GSX14018

RH-CUBE 18 

HH

 uses condenser PN 

GSX14024

Summary of Contents for GSX14018

Page 1: ...or property damage or personal injury due to improper service procedures or services performed by an unqualified person It is the owner s and installer s responsibility to read and comply with all saf...

Page 2: ...ER WARNING WARNING THIS SYMBOL MEANS IMPORTANT INSTRUCTIONS FAILURE TO HEED THEM CAN RESULT IN SERIOUS INJURY OR DEATH WARNING WARNING THIS SYMBOL MEANS IMPORTANT INSTRUCTIONS FAILURE TO HEED THEM CAN...

Page 3: ...EFRIGERANT LINES 6 REFRIGERANT LINE CONNECTIONS 7 LEAK TESTING NITROGEN OR NITROGEN TRACED 7 SYSTEM EVACUATION 7 LINE SET INSTALLATION 8 BRAZING THE LINE SET 8 ELECTRICAL CONNECTIONS 9 OVER CURRENT PR...

Page 4: ...R CONDITIONING EQUIPMENT WARNING WARNING ONLY INDIVIDUALS MEETING AT A MINIMUM THE REQUIREMENTS OF AN ENTRY LEVEL TECHNICIAN AS SPECIFIED BY THE AIR CONDITIONING HEATING AND REFRIGERATION INSTITUTE AH...

Page 5: ...new construction or renovation is not covered under the warranty INSTALLATION CONSIDERATIONS This unit can be located at ground floor level or on flat roofs GROUND INSTALLATION At ground floor level t...

Page 6: ...late the suction line These sizes are recommended for line lengths of 79 feet or less to obtain optimum performance For alternate line sizing options or runs of more than 79 feet contact your distribu...

Page 7: ...ally important on suction line filter driers which are continually wet when the unit is operating NOTE Be careful not to kink or dent refrigerant lines Kinked or dented lines will cause poor performan...

Page 8: ...efore and or during brazing to prevent oxidation inside the lines Release the inert gas holding charge and remove the plugs in the dehumidifier lines before brazing Do not overheat the lines connected...

Page 9: ...ines 6 Remove the heat shield after brazing and allow the connections to cool ELECTRICAL CONNECTIONS WARNING WARNING DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT MULTIPLE POWER SOURCE...

Page 10: ...ondary seal for the valves and must be properly tightened to prevent leaks Make sure cap is clean and apply refrigerant oil to threads and sealing surface on inside of cap Tighten cap finger tight and...

Page 11: ...ap Tighten cap finger tight and then tighten additional 1 6 of a turn 1 wrench fiat or to the following specification to properly seat the sealing surfaces 1 3 8 valve to 5 10 in Ibs 2 5 8 valve to 5...

Page 12: ...hes O D Connection Size Liquid Valve Size OD Suction Valve Size OD Valve Type Refrigerant Charge Included Piston Low Pressure Switch High Pressure Switch 3 8 3 4 3 8 3 4 sweat 68 0 051 94 psi 150 psi...

Page 13: ..._________________________ _________________________________________________________________________________________ ____________________________________________________________________________________...

Reviews: