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6/2013

507163-01

*2P62013*

*P507163-01*

Page 1

2013 Lennox Industries Inc.

Dallas, Texas, USA

RETAIN THESE INSTRUCTIONS

FOR FUTURE REFERENCE

These instructions are intended as a general guide and do
not supersede local codes in any way. Consult authorities
having jurisdiction before installation.

WARNING

Improper installation, adjustment, alteration, service or
maintenance can cause personal injury, loss of life, or
damage to property.

Installation and service must be performed by a licensed
professional installer (or equivalent) or a service agency.

IMPORTANT

The Clean Air Act of 1990 bans the intentional venting of
refrigerant (CFCs, HCFCs and HFCs) as of July 1, 1992.
Approved methods of recovery, recycling or reclaiming
must be followed. Fines and/or incarceration may be
levied for noncompliance.

IMPORTANT

This unit must be matched with an indoor coil as speci­
fied in 

Lennox SSB*H4

 

Product Specification bulletin

.

Coils previously charged with HCFC-22 must be
flushed.

NOTICE TO INSTALLER

UNIT PLACEMENT

It is critical for proper unit operation to place outdoor unit on an
elevated surface as described in 

Unit Placement 

section on page 7.

BRAZING LINE SET TO SERVICE VALVES

It is imperative to follow the brazing technique illustrated starting on
page 12 to avoid damaging the service valve's internal seals.

INSTALLATION
INSTRUCTIONS

S-CLASS SSB*H4

 

Units

AIR CONDITIONER UNITS

507163-01 
6/2013
Supersedes 506641-01

TABLE OF CONTENTS

Shipping and Packing List

1

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General

1

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Unit Dimensions

2

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Model Number Identification

2

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Unit Parts Arrangement

3

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Operating Gauge Set and Service Valves

4

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Recovering Refrigerant from Existing System

6

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New Unit Placement

7

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Removing and Installing Panels

9

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New or Replacement Line Set

10

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Brazing Connections

12

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Flushing Line Set and Indoor Coil

15

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Installing Indoor Metering Device

16

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Leak Test Line Set and Indoor Coil

17

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Evacuating Line Set and Indoor Coil

18

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Electrical

19

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Servicing Units Delivered Void of Charge

21

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Unit Start-Up

21

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System Refrigerant

22

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System Operation

25

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Maintenance

26

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Checklists

27

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Shipping and Packing List

Check the unit for shipping damage and listed times below
are intact. If damaged, or if parts are missing, immediately
contact the last shipping carrier.

1 - Assembled outdoor unit.

General 

Two-stage S-Class

 SSB*H4 outdoor units use

HFC-410A refrigerant. This unit must be installed with a
matching indoor coil and line set as outlined in the Product
Specification bulletin. S-Class

 

SSB*H4 outdoor units

are designed for use in expansion valve systems (TXV)
only. They are not designed to be used with other
refrigerant flow control devices. The Product Specification
bulletin lists a TXV kit that must be ordered separately.

Litho U.S.A.

Summary of Contents for SSB036H4S4

Page 1: ...page 12 to avoid damaging the service valve s internal seals INSTALLATION INSTRUCTIONS S CLASS SSB H4 Units AIR CONDITIONER UNITS 507163 01 6 2013 Supersedes 506641 01 TABLE OF CONTENTS Shipping and...

Page 2: ...45 1143 35 1 2 902 39 3 8 1001 16 7 8 429 8 3 4 222 3 1 8 79 30 3 4 781 4 5 8 117 3 3 4 95 26 7 8 683 Model Number Identification S S B Y 1 036 H 4 4 S Major Design Sequence A 1st Generation B 2nd Ge...

Page 3: ...R DRIER SINGLE FLOW FIELD CONNECTION FOR LIQUID LINE SET LIQUID LINE SERVICE VALVE SUCTION LINE SERVICE VALVE FIELD CONNECTION FOR SUCTION LINE HIGH PRESSURE SWITCH MANUAL RESET S4 COMPRESSOR HARNESS...

Page 4: ...nt loss during shipping and handling Using an Allen wrench rated at less than 50Rc risks rounding or breaking off the wrench or stripping the valve stem recess See the Lennox Service and Application N...

Page 5: ...Access Service Port A service port cap protects the service port core from contamination and serves as the primary leak seal 1 Remove service port cap with an appropriately sized wrench 2 Connect gaug...

Page 6: ...ressure ratio meets a certain value or when the suction pressure is as high as 20 psig Compressor suction pressures should never be allowed to go into a vacuum Prolonged operation at low suction press...

Page 7: ...tion to a window see the provided illustration in figure 5 detail A PLACING UNIT ON SLAB When installing unit at grade level the top of the slab should be high enough above grade so that water from hi...

Page 8: ...of two 2 degrees or two inches per five feet 50 mm per 1 5 m away from building structure MOUNTING SLAB BUILDING STRUCTURE GROUND LEVEL Outside Unit Placement Slab Mounting at Ground Level SAME FASTEN...

Page 9: ...VERED PANEL REMOVAL Remove the louvered panels as follows 1 Remove two screws allowing the panel to swing open slightly 2 Hold the panel firmly throughout this procedure Rotate bottom corner of panel...

Page 10: ...erant line sizes as listed in table 2 NOTE When installing refrigerant lines longer than 50 feet see the Lennox Refrigerant Piping Design and Fabrication Guidelines CORP 9351 L9 or contact Lennox Tech...

Page 11: ...OR RAFTER AT 8 FEET 2 43 METERS INTERVALS THEN STRAP THE LIQUID LINE TO THE VAPOR LINE FLOOR JOIST OR ROOF RAFTER REFRIGERANT LINE SET INSTALLING HORIZONTAL RUNS NOTE Similar installation practices sh...

Page 12: ...Perform operations only in well ventilated areas Wear gloves and protective goggles or face shield to protect against burns Wash hands with soap and water after handling brazing alloys and flux IMPORT...

Page 13: ...AWAY FROM SERVICE VALVE Flow regulated nitrogen at 1 to 2 psig through the low side refrigeration gauge set into the liquid line service port valve and out of the suction vapor line service port valve...

Page 14: ...ICE VALVES POINT FLAME AWAY FROM SERVICE VALVE PREPARATION FOR NEXT STEP 7 WARNING 1 FIRE PERSONAL INJURY OR PROPERTY DAMAGE will result if you do not wrap a wet cloth around both liquid and suction l...

Page 15: ...ion valve and the two Teflon rings H Use a field provided fitting to temporary reconnect the liquid line to the indoor unit s liquid line orifice housing LOW HIGH EXISTING INDOOR UNIT GAUGE MANIFOLD I...

Page 16: ...one of the provided Teflon rings around the stubbed end of the expansion valve and lightly lubricate the connector threads and expose surface of the Teflon ring with refrigerant oil D Attach the stub...

Page 17: ...inder of HFC 410A refrigerant to the center port of the manifold gauge set Open the valve on the HFC 410A cylinder vapor only B Open the high pressure side of the manifold to allow HFC 410A into the l...

Page 18: ...and indoor unit until the absolute pressure does not rise above 500 microns 29 9 inches of mercury within a 20 minute period after shutting off the vacuum pump and closing the manifold gauge valves F...

Page 19: ...efer to the unit nameplate for minimum circuit ampacity and maximum fuse or circuit breaker HACR per NEC Install power wiring and properly sized disconnect switch NOTE Units are approved for use only...

Page 20: ...Page 20 507163 01 05 13 Figure 14 Typical Wiring Diagram Y Voltage Figure 15 SSB H4 Typical Factory Diagram Y Voltage...

Page 21: ...arge If the outdoor unit is void of refrigerant clean the system using the procedure described below 1 Leak check system using procedure outlined on page 17 2 Evacuate the system using procedure outli...

Page 22: ...ition has been corrected 6 Set the thermostat for a cooling demand Turn on power to the indoor indoor unit and close the outdoor unit disconnect switch to start the unit 7 Recheck voltage while the un...

Page 23: ...ir flow All temperatures are expressed in F Figure 19 Checking Indoor Airflow over Evaporator Coil using Delta T Chart WHEN TO CHARGE Warm weather best Can charge in colder weather CHARGE METHOD Deter...

Page 24: ...t based upon line length SC Subcooling Values F 1 0 C 0 6 BLOCK OUTDOOR COIL sometimes necessary with lower temperatures Use cardboard or plastic sheet to restrict the airflow through the outdoor coil...

Page 25: ...ions could mean that the system is not properly charged or that a problem exists with some component in the system Model SSB036H4S4 SSB048H4S4 SSB060H4S4 5F 5C Liquid Suction Liquid Suction Liquid Suc...

Page 26: ...ry order another of like design and capacity The replacement filter drier must be suitable for use with HFC 410A refrigerant Maintenance DEALER Maintenance and service must be performed by a qualified...

Page 27: ...r units are equipped with reusable foam filters Clean foam filters with a mild soap and water solution rinse thoroughly allow filter to dry completely before returning it to the unit or grille NOTE Th...

Page 28: ...Liquid Higher Start Up and Performance Checklist Job Name Job no Date Job Location City State Installer City State Unit Model No Serial No Service Technician Nameplate Voltage Rated Load Ampacity Comp...

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