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Outdoor Heat Pump
User’s Information/Installation Instructions
13 SEER R-410A High Effi ciency Split System
These units have been designed and tested for capacity and effi ciency in accordance with A.R.I.
Standards. Split System Heat Pump units are designed for use with a wide variety of fossil fuel
furnaces, electric furnaces, air handlers, and evaporator coil combinations.
These instructions are primarily intended to assist qualifi ed individuals experienced in the prop
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2. Set the thermostat temperature to the OPERATING INSTRUCTIONS desired temperature level using the temperature selector. Please refer to TO OPERATE YOUR HEAT PUMP the separate detailed thermostat user’s manual for complete instructions regarding FOR COOLING — thermostat programming. The outdoor unit 1. Set the thermostat system switch to COOL and indoor blower will both cycle on and and the thermostat fan switch to AUTO. (See off to maintain the indoor temperature at Figure 1) the de
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of snow and ice on the heat transfer coil. equalize a temperature unbalance due to a sun This is normal, and the unit will periodically load, cooking, or fi replace operation. defrost itself. During the defrost cycle, the outdoor fan will stop, and the compressor TO MAINTAIN YOUR HEAT PUMP — will continue to run and heat the outdoor coil, causing the snow and ice to melt. After the snow and ice have melted, some steam may rise from the outdoor unit as the warm coil CAUTION: causes some me
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SAFETY CONSIDERATIONS GENERAL INFORMATION Pressures within the System — Split Read the following instructions completely before performing the installation. system heat pump equipment contains liquid and gaseous refrigerant under pressure. Installation and servicing of this equipment should be accomplished by qualifi ed, trained CAUTION: personnel thoroughly familiar with this type of equipment. Under no circumstances should the This unit uses refrigerant R-410A. DO Homeowner attempt to
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General — Once outdoor and indoor unit outdoor unit must be installed in such a manner that airfl ow through the coil is not obstructed and placement has been determined, route refrigerant that the unit can be serviced. tubing between the equipment in accordance with sound installation practices. Refrigerant tubing Facility Prerequisites — Electrical power should be routed in a manner that minimizes the supplied must be adequate for proper operation length of tubing and the number of bends
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Maximum Fuse/Circuit Breaker Size — Circuit Wiring Diagram/Schematic — A wiring protection for the outdoor unit must be compatible diagram/schematic is located on the inside cover with the maximum fuse/circuit breaker size listed of the electrical box of the outdoor unit. The installer should become familiar with the wiring on the outdoor unit data label. diagram/schematic before making any electrical Disconnect Switch — An electrically compatible connections to the outdoor unit. discon
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Thermostat GRW CE O Y 2 NOTE: Jumper between W2 and E is required when no OD T-Stat is used. G Green R Red R W Brown W 2 Orange W 2 For 2-Stage C OY Heater Kits C Grey Air Handler Heat Pump OD Section Typical Heat Pump with Standard Air Handler 8
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A typical installation with a heat pump thermostat, air handler, and heat pump with an outdoor thermostat. Thermostat GRW CE O Y 2 G Green E R Red R White W W 2 C O Y C Grey Air Handler Heat Pump OD Section Typical Heat Pump with Outdoor Thermostat and Air Handler 9
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rises above 575 psig, then the switch will open Functional Checkout: and de-energize the outdoor unit. The switch will close again once the discharge pressure decreases to 460 psig. Please note that the switch CAUTION: interrupts the thermostat inputs to the unit. Thus, when the switch opens and then closes, there If equipped with a compressor will be a 5 minute short cycling delay before the crankcase heater, wait 24 hours prior outdoor unit will energize. to performing a function c
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times consecutively, pause and then repeat the TRIP LED (Red): indicates there is a demand signal from the thermostat but no current to the process. To identify a Flash Code number, count the number of consecutive fl ashes. compressor is detected by the module. The TRIP LED typically indicates the compressor protector Every time the module powers up, the last is open or may indicate missing supply power ALERT Flash Code that occurred prior to shut to the compressor. down is displayed for
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Status LED Status LED Description Status LED Troubleshooting Information Green “POWER” Module has power Supply voltage is present at module terminals 1. Compressor protector is open Red “TRIP” Thermostat demand signal 2. Outdoor unit power disconnect is open Y is present, but the 3. Compressor circuit breaker or fuse(s) is open compressor is not 4. Broken wire or connector is not making contact running 5. Low pressure switch open if present in system 6. Compressor contactor has failed open 1
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Miswired Module Indication Recommended Troubleshooting Action Green LED is not on, Determine if both R and C module terminals are module does not power up connected. Verify voltage is present at module’s R and C terminals. Review 24VAC Power W iring (page 4) for R and C wiring. Green LED intermittent, Determine if R and Y terminals are wired in reverse. module powers up only Verify module’s R and C terminals have a constant when compressor runs source. Review 24VAC Power W iring (page 4) for R a
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Note: If jumper is left on the “Test” to “common” 2. With compressor running in heat mode, fi rst jump the “T2”-”DFT” test pins. This pins permanently, the defrost cycle will become will indicate to board that defrost T-stat is inoperable. closed. Defrost T-stat closes at 32°, opens at 68°. Optional Equipment — A functional checkout should be performed in accordance with 3. Next jump the “Test” pin to “C” on terminal the checkout procedures supplied with the strip. This will initiate defro
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15 Refrigerant Charging Charts for Cooling Mode of Operation 13 SEER Split System Cooling Charts REFRIGERANT CHARGING CHARTS LEGEND FOR COOLING/HEATING MODES OF OPERATION *Note: All pressures are listed in psig. and all temperatures in deg. F. - Shaded boxes indicate fl ooded conditions - Rated design values. Suction Pressure will be lower than design value if indoor air fl ow, entering dry bulb, or entering wet bulb temperatures are lower than design. - Discharge temperatures greater than char
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16 Refrigerant Charging Charts for Cooling Mode of Operation 13 SEER Split System Cooling Charts OUTDOOR TEMPERATURE ( deg. F ) 024K 70 75 80 85 90 95 100 105 Suc. Press. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. 133 135 247 144 248 156 137 269 142 271 152 139 250 167 291 140 141 274 162 294 149 312 141 329 136 248 200 315 147 333 144 143 249 217 273 187 2
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17 Refrigerant Charging Charts for Cooling Mode of Operation 13 SEER Split System Cooling Charts OUTDOOR TEMPERATURE ( deg. F ) 036K 70 75 80 85 90 95 100 105 Suc. Press. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. 131 133 250 91 135 251 103 270 102 137 252 114 272 112 290 110 139 274 122 293 118 312 118 330 120 254 124 141 254 141 297 123 315 124 334 127 35
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18 Refrigerant Charging Charts for Cooling Mode of Operation 13 SEER Split System Cooling Charts OUTDOOR TEMPERATURE ( deg. F ) 048K 70 75 80 85 90 95 100 105 Suc. Press. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. Liq. Press. Dis. Temp. 130 132 246 144 248 155 134 269 143 136 249 166 271 153 290 142 138 273 163 293 151 311 144 329 140 248 196 140 249 213 294 164 315 150 332 147 3
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19 Refrigerant Charging Charts for Heating Mode of Operation 13 SEER Split System Heating Charts 018K OUTDOOR TEMPERATURE (DEG. F) 0 102030405060 Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Press Press. Temp. Press. Press. Temp. Press. Press. Temp. Press. Press. Temp. Press. Press. Temp. Press. Press. Temp. Press. Press. Temp. 37 212 108 52 232 111 66 252 114 81 273 117 96 285 125 114 311 139 131 338 153 38
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20 Refrigerant Charging Charts for Heating Mode of Operation 13 SEER Split System Heating Charts 030K OUTDOOR TEMPERATURE (DEG. F) 0 102030405060 Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Press Press. Temp. Press. Press. Temp. Press. Press. Temp. Press. Press. Temp. Press. Press. Temp. Press. Press. Temp. Press. Press. Temp. 35 209 105 49 238 114 63 267 123 77 296 131 92 315 146 109 347 167 126 380 189 36
