Blueridge BA714S Installation Instructions Manual

Single stage air conditioner

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INSTALLATION INSTRUCTIONS
BA714S
This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to
the potential for personal injury or death.
WARNING
Installation and servicing of air conditioning equipment
can be hazardous due to internal refrigerant pressure
and live electrical components. Only trained and
qualified service personnel should install or service
this equipment. Installation and service performed by
unqualified persons can result in property damage,
personal injury, or death.
WARNING
ELECTRICAL SHOCK HAZARD!
Risk of electrical shock. Disconnect all
remote power supplies before installing
or servicing any portion of the system.
Failure to disconnect power supplies
can result in property damage, personal
injury, or death.
NOTE - This unit BA714S is a PARTIAL UNIT AIR CON­
DITIONER, complying with PARTIAL UNIT requirements of this
Standard, and must only be connected to other units that have
been confirmed as complying to corre sponding PARTIAL UNIT
requirements of this Standard, UL 60335­2­40/CSA C22.2 No.
60335­2­40, or UL 1995/ CSA C22.2 No 236.
215 Metropolitan Drive
West Columbia, SC 29170
508592C01
This manual must be left with the homeowner for future reference.
Single Stage Air Conditioner

Table of Contents

General ........................................................................1
Installation ...................................................................5
Refrigeration Piping .....................................................6
Electrical Wiring .........................................................15
Start-Up .....................................................................17
Homeowner Information ............................................18
Maintenance ..............................................................19
Wiring Diagram ..........................................................20
General
Read this entire instruction manual, as well as the
instructions supplied in separate equipment, before
starting the installation. Observe and follow all warnings,
cautions, instructional labels, and tags. Failure to comply
with these instructions could result in an unsafe condition
and/or premature component failure.
These instructions are intended as a general guide only
for use by qualified personnel and do not supersede any
national or local codes in any way. The installation must
comply with all provincial, state, and local codes as well as
the National Electrical Code (U.S.) or Canadian Electrical
Code (Canada). Compliance should be determined prior
to installation.
This BA714S outdoor air conditioner with all-aluminum coil
is designed for use with R-454B refrigerant only.This unit
must be installed with an approved indoor air handler or
coil.
*508592C01*
Issue 2427
(P) 508592C01
Page 1 of 22

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Summary of Contents for Blueridge BA714S

  • Page 1: Table Of Contents

    The installation must comply with all provincial, state, and local codes as well as NOTE – This unit BA714S is a PARTIAL UNIT AIR CON­ the National Electrical Code (U.S.) or Canadian Electrical DITIONER, complying with PARTIAL UNIT requirements of this Code (Canada).
  • Page 2: Refrigerating System

    WARNING CAUTION • The appliance shall be stored in a room without Under no circumstances shall potential sources of continuously operating ignition sources (for example: ignition be used in the searching for or detection of open flames, an operating gas appliance, or an refrigerant leaks.
  • Page 3 IMPORTANT IMPORTANT When breaking into the refrigerant circuit to make When removing refrigerant from a system, either for repairs – or for any other purpose – conventional servicing or decommissioning, it is recommended procedures shall be used. However, for flammable good practice that all refrigerants are removed safely.
  • Page 4 NOTICE WARNING Sharp metal edges can cause injury. When installing Charging information is given on the charging procedure the unit, use care to avoid sharp edges. sticker on the unit access panel. NOTE – R­454b is a A2L refrigerant. The system installation must meet the following parameters based upon total refrigerant charge (line set included).
  • Page 5 STEP 1 SETTING THE UNIT - Clearances See NOTES NOTES - Service clearance of 30 in. (762 mm) must be maintained on one of the sides adjacent to the control box. Clearance to one of the other three sides must be 36 in. (914 mm). Clearance to one of the remaining two sides may be 12 in.
  • Page 6: Step 2 Refrigerant Piping

    Flush the existing line set per the following instructions. For more information, refer to the Installation and Service IMPORTANT Procedures manual. This model is designed for use in check / expansion CAUTION - DO NOT attempt to flush and re-use existing valve systems only.
  • Page 7 Secondary Sensor Installation If secondary refrigerant sensor is required, it shall be WARNING mounted as follows: Polyolester (POE) oils used with R-454B refrigerant Upflow Applications: Mounted on an unused side furnace absorb moisture very quickly. It is very important that the return air connection at least 9 inches above the floor and within 9 inches from front of furnace.
  • Page 8: Installation

    LINE SET IMPORTANT — Refrigerant lines must not contact structure. INSTALLATION REFRIGERANT LINE SET — INSTALLING Line Set Isolation - The following illustrations are VERTICAL RUNS (NEW CONSTRUCTION SHOWN) examples of proper refrigerant line set isolation: NOTE - Insulate liquid line when it is routed through areas where the surrounding ambient temperature could become higher than the REFRIGERANT LINE SET —...
  • Page 9 STEP 2 – REFRIGERANT PIPING – Removing Existing Indoor Metering Device STUB END TWO-PIECE PATCH PLATE LIQUID LINE CHECK (UNCASED COIL ONLY) ORIFICE EXPANSION HOUSING VALVE DISTRIBUTOR TUBES ® TEFLON RING ® TEFLON TYPICAL EXISTING EXPANSION VALVE REMOVAL SENSING RING PROCEDURE (UNCASED COIL SHOWN) LINE DISTRIBUTOR...
  • Page 10 STEP 2 – REFRIGERANT PIPING – Brazing Procedures CAP AND CORE REMOVAL CUT AND DEBUR Cut ends of the refrigerant lines square (free from nicks or dents) Remove service cap and core from and debur the ends. The pipe must remain round. Do not crimp end both the vapor and liquid line service of the line.
  • Page 11: Braze Line Set

    WRAP SERVICE VALVES To help protect service valve seals during brazing, wrap water-saturated cloths around service valve bodies and copper tube stubs. Use additional water-saturated cloths underneath the valve body to protect the base paint. FLOW NITROGEN Flow regulated nitrogen (at 1 to 2 psig) through the refrigeration gauge set into the valve stem port connection on the liquid service valve and out of the vapor valve stem port.
  • Page 12 Refrigerant Piping - Install Indoor Expansion Valve This outdoor unit is designed for use in systems that include an expansion valve metering device (purchased separately) at the indoor coil. See the Product Specifications for approved expansion valve kit match-ups and application information. The check expansion valve unit can be installed inside the cabinet.
  • Page 13: Test For Leaks

    STEP 3 – LEAK TEST AND EVACUATION (Continued) LEAK TEST HIGH MANIFOLD GAUGE SET OUTDOOR UNIT TO VAPOR SERVICE VALVE NOTE - Position canister to deliver liquid refrigerant. NITROGEN R-454B CONNECT GAUGE SET A - Connect the high pressure hose of an R-454B manifold gauge set to the vapor valve service port. NOTE - Normally, the high pressure hose is connected to the liquid line port.
  • Page 14: Evacuate The System

    STEP 3 – LEAK TEST AND EVACUATION (Continued) EVACUATION HIGH CONNECT GAUGE SET NOTE - Remove cores from service valves (if not already done). A - Connect low side of manifold gauge set with 1/4 SAE in-line tee to vapor line service valve B - Connect high side of manifold gauge set to OUTDOOR MANIFOLD...
  • Page 15: Electrostatic Discharge

    STEP 4 – ELECTRICAL – Circuit Sizing and Wire Routing In the U.S.A., wiring must conform with current local codes WARNING and the current National Electric Code (NEC). In Canada, wiring must conform with current local codes and the Fire Hazard. Use of aluminum wire with this product may current Canadian Electrical Code (CEC).
  • Page 16: Electrical Wiring

    Refer to the furnace or blower coil Installation Instructions Electrical Wiring for additional wiring application diagrams and refer to unit rating plate for minimum circuit ampacity and maximum All field wiring must be done in accordance with the National overcurrent protection size. Electrical Code (NEC) recommendations, Canadian 1.
  • Page 17: Step 5 - Unit Start-Up

    IMPORTANT STEP 5 – UNIT START-UP To prevent stripping of the various caps used, the IMPORTANT appropriately sized wrench should be used and fitted snugly over the cap before tightening. If unit is equipped with a crankcase heater, it should be energized 24 hours before unit start-up to prevent Using Manifold Gauge Set compressor damage as a result of slugging.
  • Page 18: Start-Up

    A - The LED indicator flashes the sequence for leak ACCESS SERVICE PORT detection (flashing blue). A service port cap protects the service port core from contamination B - The blower powers up. and serves as the primary leak seal. C - The gas burners power down.
  • Page 19: Maintenance

    3 - Inspect base pan drains for debris and clean as IMPORTANT necessary. Sprinklers and soaker hoses should not be installed 4 - Inspect the condition of refrigerant piping and confirm where they could cause prolonged exposure to the that pipes are not rubbing copper-to-copper. Also, outdoor unit by treated water.
  • Page 20 Decommissioning Before carrying out this procedure, it is essential that the technician is completely familiar with the equipment and all its detail. It is recommended good practice that all refriger- ants are recovered safely. Prior to the task being carried out, an oil and refrigerant sample shall be taken in case analysis is required prior to re-use of recovered refrigerant.
  • Page 21: Wiring Diagram

    Wiring Diagram FIGURE 18. AC Single Phase Wiring Diagram 508592C01 Issue 2427 Page 21 of 22...
  • Page 22 Page 22 of 22 Issue 2427...

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