These instructions must be read and understood completely before attempting installation. Safety Labeling and Signal Words DANGER, WARNING, CAUTION, and NOTE The signal words DANGER, WARNING, CAUTION, and NOTE are used to identify levels of hazard seriousness. The signal word DANGER is only used on product labels to signify an immediate hazard. The signal words WARNING, CAUTION, and NOTE will be used on product labels and throughout this manual and other manuals that may apply to the product.
INSPECT NEW UNIT After ingratiating unit, inspect thoroughly for hidden damage. If damage is found, notify the transportation company immediately and file a concealed damage claim. SAFETY CONSIDERATIONS Consult a qualified installer, service agency, or the dealer/distributor for information and assistance. The qualified installer must use factory authorized kits and accessories when modifying this product. Refer to the individual instructions packaged with the kit or accessory when installing.
UNIT SUPPORT NOTE: Unit must be level | 2 degrees {a inch rise or fall per foot of run (10mm rise or fall per 305 mm of run} } or compressor may not function properly. A. GROUND LEVEL INSTALLATION The unit must be level and supported above grade by beams, platform, or a pad. Platform or pad can be of open or solid construction but should be of permanent materials such as concrete, bricks, blocks, steel, or pressure-treated timbers approved for ground contact.
REFRIGERATION SYSTEM A. COMPONENT MATCHES Check © see that the proper system components are in place, especially the indoor coil. R-410A outdoor units can only be used with R-410A specific indoor coils, If there is a refrigerant sim-match, consult the indoor coll manufacturer to determine if a refrigerant conversion kit is available for the indoor coil. This outdoor unit is designed for use only with indoor coils that utilize a TXV refrigerant metering device or Piston with Teflon ring metering device.
B. REFRIGERANT LINE SETS The refrigerant line set must be properly sized to assure maximum efficiency and proper oll circulation, Refer to Product Specifications and Long Line Applications Guideline for line set sizing. NOTE: Line set actual length must not exceed 200 feet {81m}. A crankcase heater must be used when the refrigerant line length exceeds 80 feet (24.4m). if it is necessary to add refrigerant line in the field, use dehydrated or dry, sealed, oxidized, copper refrigeration tubing.
A CAUTION UNIT OPERATION HAZARD Failure to follow this caution may result in improper product operation, Do not bury more than 36” (1m) of line set underground. Refrigerant may migrate fo cooler buried section during extended periods of unit shutdown, causing refrigerant slugging and possible compressor damage at start-up, It ANY section of the line set is buried underground, provide a minimum 6” (152mm) vertical rise at the service valve. pli Liquid Line Filter-Drier Figure 6 Installed at Indoor Coil D.
A WARNING FIRE HAZARD Failure to remove refrigerant and oil charge before brazing could result in personal injury, death, and/or property damage. Refrigerant and oil mixture could ignite and burn as it escapes and contacts brazing torch. Make sure the refrigerant charge is properly removed from both the high and low sides of the system before brazing any component or lines, Clean line set tube ends with emery cloth or steel brush. Remove any grit or debris.
6. After the final evacuate sequence, confirm there are no leaks in the system. if a leak is found, repeat the entire process after repair is made. Figure 8 Triple Evacuation Sequence EVACUATE v BREAK VACUUM WITH DRY NITROGEN v v EVACUATE v BREAK VACUUM WITH DRY NITROGEN v v v CHECK FOR TIGHT. DRY SYSTEM (IF IT HOLDS DEEP VACUUM) Y CHARGE SYSTEM I. OPENING SERVICE VALVES Outdoor units are shipped with a refrigerant charge sealed in the unit. Opening the service valves releases this charge into the system.
INSTRUCTION Ato 208/230 V and 460 V Figure 10 Electrical Supply {Line Voltage) Connections DISCONNECT PER NEG AND/OR LOCAL CODES CONTAGION oe need J X72) & FIELD POWER tenner Believing BLUE LEAD WIRE WIRING GROUND LUG §75 V Electrical Supply Figure 11 {Line Voltage) Connections DISCONNECT PER NEC AND/OR LOCAL CODES CONTRACTOR ° rem Herr en b@11 ® FIELD POWER mmm n——— Bern id2 & WIRING mere ® FIELD GROUND Tm we © GROUND LUG Thermostat Wiring Connections Route thermostat wiring through rubber grommet in bot t
{call for cooling) control signal if the phasing is incorrect, Additionally, the board will detect the loss of voltage on any of the three phase inputs and break the Y signal in the same way. An LED on the board displays the following status: Red LED ON ~ Normal function, relay contact closed. Red LED Blinking — Abnormal function, relay contact open, Red LED OFF «No 24 VAC control power present at board.
A. UNITS WITH COOLING MODE TXV Units installed with cooling mode TXV require charging by the sub cooling method. 1. 2 Operate unit a minimum of 18 minutes before checking charge. Measure liquid service valve pressure by attaching an accurate Gage to service port, Measure liquid line temperature by attaching an accurate theorist type or electronic thermometer to liquid line near outdoor coil. Refer to unit rating plate for required sub cooling temperature. Refer to Figure 18.
figure 14 (SUPER HEAT F AT LOW-SIDE SERVICE PORT) {SUPER HEAT "C AT LOW-SIDE SERVICE PORT) Gt door F Temp = Fare Temp = Ce Murillo performance Point. 85°F (35 Lj BIGOT Ambient and (BOF 7 27°C dry BUICK. (87°F 7 19°G wel Boob) indoor Consoling.
Figure 16 Rating Plate (required) Sub cooling Temperature °F (*C) TF °F TF Measured Liquid 8 10 12 Pressure {psi) R-410A Required Liquid Line Temperature °F °C) 251 259 266 274 283 291 289 308 317 326 335 345 501 01 5105 01
SEQUENCE OF OPERATION With power supplied to indoor and outdoor units, transformer is energized. On a call for cooling, the thermostat makes circuits R-Y and R-G. Circuit R-Y energizes contractor, starting outdoor fan motor and compressor. Circuit R-G energizes indoor unit blower relay, starting indoor blower motor. When thermostat is satisfied, its contacts open, DE-energizing contractor and blower relay. Compressor and motors stop.
Status LED Status LED Description Status LED Troubleshooting information Green "POWER™ Module has power Supply voltage Js present af module terminals Red “TRIP” LED Thermostat demand signal 1. Compressor protector is open On Solid Y1 is present, but the 2. Outdoor unit power disconnect is open compressor is nat running | 5 Compressor circuit breaker or fuse(s) is open 4, Broken wire or connector is not making contact 5. Compressor power wires not routed through Comfort Alert 6.
=e Misfired Module Indication tf Als) Troubleshooting Information Green LED Is not on, module does not power up Determine if both R and © module terminals are connected. Verify collage is present at module's R and C terminals. Green LED intermittent, module powers up only when compressor runs Determine if R and Y terminals are wired in reverse, Verify module’s R and C terminals have a constant source.
