Installation Manual
Contents
1. A CAUTION Relieve pressure and recover all refrigerant before system repair or final unit disposal to avoid personal injury or death Use all service ports and open all flow control devices including solenoid valves Z CAUTION To prevent compressor damage DO NOT bury more than 36 in of refrigerant tubing If ANY section of tubing is buried provide a 6 in vertical rise to valve connections on outdoor unit Outdoor units may be connected to indoor sections using accessory tubing package or field supplied refrigerant grade tubing of correct size and condition For tubing requirements beyond 50 ft consult Residential Split System Long Line Application Guideline which is available at your local distributor Refer to Table 1 for refrigerant tube dimensions and connections If refrigerant tubes or indoor coil is exposed to atmospheric conditions for longer than 5 minutes it must be evacuated to 500 microns to eliminate contamination and moisture in system A Outdoor Units Connected to Factory Approved Indoor Units Outdoor unit contains correct system refrigerant charge for operation with indoor unit of same size when connected by 15 ft of field supplied or factory accessory tubing Check refrigerant charge for maximum efficiency See Procedure 9 Checking Charge B Refrigerant Tubing Connect tubing to fittings on outdoor unit vapor and liquid service valves See Fig 4 C Sweat Connection Z CAUTION To prevent damage to unit or service2. Do not vent refrigerant to atmosphere Recover during system repair or final unit disposal PROCEDURE 10 CARE AND MAINTENANCE For continuing high performance and to minimize possible equipment failure it is essential that periodic maintenance be performed on this equipment Consult your servicing contractor or Users Manual for proper frequency of maintenance Frequency of maintenance may vary depending upon geographic areas such as coastal applications PROCEDURE 11 LEAVE USER S MANUAL WITH HOMEOWNER Explain system operation and maintenance procedures outlined in User s Manual 1998 Payne Heating amp Cooling P O Box 70 Indianapolis IN 46206 8 imph1003 Catalog No 53PH 108
3. Check rating plate to be sure unit matches job specifications C Check Defrost Thermostat Check defrost thermostat to ensure it is properly located and securely attached A liquid header with a brass distributor and feeder tube goes into outdoor coil At the end of 1 of the feeder tubes there is a 3 8 in OD stub tube approximately 3 in long See Fig 3 The defrost thermostat should be located on stub tube Note that only 1 stub tube is used with liquid header and on most units it is the bottom circuit D Installation Recommendations NOTE In some cases noise in living area has been traced to gas pulsations from improper installation of equipment 1 Locate unit away from windows Ensure that vapor and liquid tube diameters are appropriate to capacity of unit See Table 1 Run refrigerant tubes as directly as possible by avoiding unnecessary turns and bends Leave some slack between structure and unit to absorb vibration When passing refrigerant tubes through wall seal opening with RTV or other pliable silicon based caulk See Fig 2 Avoid direct tubing contact with water pipes ductwork floor joists wall studs floors and walls Do not suspend refrigerant tubing from joists and studs with a rigid wire or strap which comes in direct contact with tubing See Fig 2 Ensure that tubing insulation is pliable and it completely surrounds vapor tube When necessary use hanger straps which are 1 in
4. removing existing Check Flo Rater from indoor coil install field supplied bi flow hard shut off TXV kit See Fig 5 and 6 For TXV kit part number and charging instruction refer to TXV label on your unit If indoor unit fan coil comes factory equipped with a bi flow hard shut off TXV no TXV change is required Install TXV kit to indoor coil as follows 1 Install suction tube adapter 2 Install liquid flare to sweat adapter 3 Connect external equalizer tube to fitting on suction tube adapter 4 Position sensing bulb on horizontal portion of suction tube adapter Secure using supplied hardware A AIR DISCHARGE AIR IN xA a y m FIELD POWER SUPPLY CONN 7 8 DIA HOLE WITH 1 1 8 DIA KNOCKOUT AND 1 3 8 DIA KNOCKOUT AIRIN gt FIELD CONTROL POWER y SUPPLY CONN ain S T g DIA HOLE DISCHARGE TIEDOWN KNOCKOUTS 2 PLACES Payne Heating amp Cooling P O Box 70 Indianapolis IN 46206 F DIA SERVICE LINE CONN 3 8 DIA LIQUID TUBE CONN A95021 SERIES In AC 29 15 16 B 37 15 16 C 33 15 16 C 37 15 16 A 37 15 16 C A A A 27 15 16 37 15 16 37 15 16 27 15 16 Fig 4 Unit Reference Drawing 5 Insulate bulb after installation See Fig 6 6 Leak check all connections PROCEDURE 5 MAKE PIPING CONNECTIONS
5. Installation Manual 10 SEER Split System Heat Pump Sizes 018 060 AAA NASSAR SSSR RARER ERE TAT TURAANA TANAAN TATAA AA A92461 Fig 1 Model PH10 NOTE Read the entire instruction manual before starting the installation This symbol indicates a change since the last issue SAFETY CONSIDERATIONS Improper installation adjustment alteration service maintenance or use can cause explosion fire electrical shock or other conditions which may cause personal injury or property damage Consult a qualified installer service agency or your distributor or branch for information or assistance The qualified installer or agency must use factory authorized kits or accessories when modifying this product Refer to the individual instructions packaged with the kits or accessories when installing Follow all safety codes Wear safety glasses and work gloves Use quenching cloth for brazing operations Have fire extinguisher available Read these instructions thoroughly and follow all warnings or cautions attached to the unit Consult local building codes and the National Electrical Code NEC for special installation requirements Recognize safety information This is the safety alert symbol When you see this symbol on the unit or in instructions and manuals be alert to the potential for personal injury Understand the signal words DANGER WARNING and CAUTION These words are us
6. L3 Le 2 E a h Ke A a e E SAIRE FACTORY WIRING FIELD WIRING ODT OUTDOOR THERMOSTAT SHR EMERGENCY HEAT RELAY O FIELD SPLICE EMERGENCY HEAT RELAY A95079 A94062 Fig 11 Wiring Layout PF1MNA018 Through A070 With Fig 12 Wiring Layout PF1MNA018 Through A070 With 1 Outdoor Thermostat 2 Outdoor Thermostats THERMOSTAT EASY SELECT OUTDOOR TERMINAL BOARD TERMINAL TERMINAL BLOCK BLOCK BLOCK 2 SPEED BOARD TYPICAL INDOOR OUTDOOR SINGLE SPEED HEAT HEAT PUMP CONTROL SPLICE PUMP DEFROST BOARD THERMOSTAT BOARD x ADD JUMPER 24 amp 30 KW HEATERS CUT EASY SELECT Lo C BOARD JUMPERS A95019 A94128 Fig 13 Wiring Layout PF1MNA071 With Fig 14 Wiring Layout PF1MNA018 Through A070 with 2 Stage Thermosiat Smart Heat without Outdoor Thermostat The defrost mode is identical to cooling mode except that outdoor fan motor stops and a second stage heat is turned on to continue warming conditioned space PROCEDURE 9 CHECKING CHARGE Factory charge is shown on unit rating plate See Fig 4 A CAUTION Compressor damage may occur if system is overcharged Adjust charge in cooling mode by following procedure shown on superheat charging tables Check charge in heating mode by following procedure shown on heating check chart both located on unit A CAUTION
7. On rooftop applications locate unit at least 6 in above roof surface Place unit above a load bearing wall and isolate unit and tubing set from structure Arrange supporting members to adequately support unit and minimize transmission of vibration to building Consult local codes governing rooftop applications The minimum outdoor operating ambient in cooling mode is 55 F 12 8 C and the maximum outdoor operating ambient in cooling mode is 125 F 51 6 C The maximum outdoor operating ambient in heating mode is 66 F 18 8 C FEEDER TUBE STUB TUBE ja DEFROST THERMOSTAT A97517 Fig 3 Defrost Thermostat Location PROCEDURE 3 ELEVATE UNIT A CAUTION Accumulation of water and ice in base pan may cause equipment damage In areas where prolonged freezing temperatures are encountered elevate unit per local climate and code requirements to provide clearance above estimated snowfall level and ensure adequate drainage of unit PROCEDURE 4 REPLACE CHECK FLO RATER PISTON IF REQUIRED If unit is being installed with piston check indoor coil piston to see if it matches required piston shown on unit rating plate See Fig 4 If it does not match replace indoor coil piston with piston shipped with outdoor unit The piston shipped with outdoor unit is correct for any approved indoor coil combination A CAUTION Do not install with evaporator coils having capillary tube metering devices After
8. ed with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which would result in minor personal injury or product and property damage A WARNING Before installing or servicing system always turn off main power to system There may be more than 1 disconnect switch Lock out and tag switch with a suitable warning label Turn off accessory heater power if applicable Electrical shock can cause personal injury or death INSTALLATION PROCEDURE 1 CHECK EQUIPMENT AND JOB SITE A Unpack Unit Move to final location Remove carton taking care not to damage unit Form IM PH10 03 Cancels IM PH10 02 Printed in U S A 11 98 Catalog No 53PH 108 NOTE AVOID CONTACT BETWEEN TUBING AND STRUCTURE OUTDOOR WALL ran CAU oN INDOOR WALL VT INSULATION LA THROUGH THE WALL VAPOR TUBE LIQUID TUBE JOIST HANGER STRAP AROUND VAPOR TUBE ONLY O VAPOR TUBE O WA O O a g 8 INSULATION hS vin LIQUID TUBE SUSPENSION A92469 Fig 2 Piping Installation Inspect Equipment File claim with shipping company prior to installation if shipment is damaged or incomplete Locate unit rating plate on unit service panel See Fig 4 It contains information needed to properly install unit
9. ing See Fig 9 10 11 12 13 or 14 Use No 18 AWG color coded insulated 95 F 35 C minimum wires If thermostat is located more than 100 ft from unit as measured along control voltage wires use No 16 AWG color coded wires to avoid excessive voltage drop Use furnace or fan coil transformer as 24 v 40 va minimum supply for system or use accessory transformer NOTE Use of available 24 v accessories may exceed the minimum 40 va power requirement Determine total transformer loading and increase the transformer capacity or split the load with an accessory transformer as required NOTE The defrost timer is factory set for 90 minute cycles The timer can be field set for 30 and 50 minute cycles depending on defrost conditions in your geographical location PROCEDURE 7 INSTALL ELECTRICAL ACCESSORIES Refer to individual instructions packaged with kits or accessories when installing PROCEDURE 8 START UP A CAUTION To prevent compressor damage or personal injury DO NOT over charge system with refrigerant operate unit in a vacuum or at negative pressure or disable low pressure switch Dome temperatures may be HOT in scroll compressor units 1 If equipped with a crankcase heater energize a minimum of 24 hr before starting unit To energize heater only set thermostat to OFF mode and close electrical disconnect to outdoor unit A crankcase heater and liquid line solenoid are required if refrigerant tubing is longer than SO f
10. ing mode by following procedure shown on charging table Check charge in heating mode by following procedure shown on heating check charge Both are located on outdoor unit A CAUTION Do not vent refrigerant into atmosphere Relieve pressure and recover all refrigerant before system repair or final unit disposal to avoid personal injury or death Use all service ports and open all flow control devices including solenoid valves A Sequence of Operation NOTE Defrost control board is equipped with 5 minute lockout timer which may be initiated upon any interruption of power NOTE With power supplied to indoor and outdoor units transformer is energized COOLING On a call for cooling thermostat makes circuits R O R Y and R G Circuit R O energizes reversing valve switching it to cooling position Circuit R Y energizes contactor starting outdoor fan motor and compressor circuit R G energizes indoor unit blower relay starting indoor blower motor on high speed When thermostat is satisfied its contacts open de energizing contactor and blower relay Compressor and motors should stop NOTE If indoor unit is equipped with a time delay relay circuit the blower will run an additional 90 sec to increase system efficiency HEATING On a call for heating thermostat makes circuits R Y and R G Circuit R Y energizes contactor starting outdoor fan motor and compressor Circuit R G energizes indoor blower relay starting blower motor on high s
11. nstitutes abuse and could affect unit reliability See unit rating plate Do not install unit in system where voltage or phase imbalance 3 phase may fluctuate above or below permissible limits In 3 phase application incorrect phasing will cause reverse rotation resulting in elevated noise levels equalized pressures and reduced current draw Correct by interchanging 2 field wiring leads on unit contactor NOTE Use copper wire only between disconnect switch and unit NOTE Install branch circuit disconnect per NEC of adequate size to handle unit starting current Locate disconnect within sight from and readily accessible from unit per Section 440 14 of NEC A Route Ground and Power Wires Remove access panel to gain access to unit wiring Extend wires from disconnect through power wiring hole provided and into unit control box See Fig 4 A WARNING The cabinet must have an uninterrupted or unbroken ground to minimize personal injury if an electrical fault should occur The ground may consist of electrical wire or metal conduit when installed in accordance with existing electrical codes Failure to follow this warning could result in an electrical shock fire or death B Connect Ground and Power Wires Connect ground wire to ground connection in control box for safety Connect power wiring to contactor as shown in Fig 8 C Connect Control Wiring Route 24 v control wires through control wiring grommet and connect leads to control wir
12. peed Should temperature continue to fall R W2 is made through second stage room thermostat bulb Circuit R W2 energizes a sequencer bringing on first bank of supplemental electric heat and providing electrical potential to second heater sequencer if used If outdoor temperature falls below setting of outdoor thermostat field installed option contacts close to complete circuit and bring on second bank of supplemental electric heat When thermostat is satisfied its contacts open de energizing contactor and sequencer All heaters and motors should stop DEFROST The defrost control is a time temperature control which includes a field selectable quick connects located at board edge time period between defrost cycles 30 50 and 90 minutes factory set at 90 minutes The electronic timer and defrost cycle will start only when contactor is energized and defrost thermostat is closed aay ae Thermostat Indoor Outdoor Subbase i Terminal Terminal Block Board FAN COIL THERMOSTAT CONTROL HEAT PUMP CONTROL EA mS Pw ar Lo Lo T LF LF A94060 Fig 9 Wiring Layout PF1MNA018 Through A070 Without A93102 Outdoor Thermostat Fig 10 Wiring Layout PF1MNA071 FAN COIL THERMOSTAT CONTROL HEAT PUMP CONTROL INDOOR OUTDOOR THERMOSTAT TERMINAL SPLICE DEFROST SUBBASE BOARD CONNECTION BOARD m
13. t 5 DISCONNECT PER N E C AND OR LOCAL CODES CONTACTOR POEET E E FIELD POWER a een BLUE PHASE ONY 2a A S FIELD GROUND WIRING GROUND LUG A94029 A94025 Fig 7 Service Valve with Sweat Adapter Tube Fig 8 Line Power Connections NOTE The Seasonal Energy Efficiency Ratio SEER and Heating Seasonal Performance Factor HSPF is obtained with the crankcase heater de energized To de energize the crankcase heater disconnect black crankcase heater wires at contactor After disconnecting make sure wires are isolated from all other electrical connections and components to prevent electrical shorting Z CAUTION To prevent personal injury wear safety glasses protective clothing and gloves when handling refrigerant Front seating service valves are equipped with Schrader valves 2 Fully open liquid and vapor service valves 3 Unit is shipped with valve stem s front seated and caps installed Replace stem caps after system is opened to refrigerant flow Replace caps finger tight and tighten additional 1 6 turn with wrench for front seating valves female hex stem 4 Close electrical disconnects to energize system 5 Set room thermostat at desired temperature 6 Set room thermostat at HEAT or COOL and fan to ON or AUTO mode as desired Operate unit for 15 minutes Check system refrigerant charge See Procedure 9 7 Factory charge is shown on outdoor rating plate Adjust charge in cool
14. valves while brazing use a brazing shield and wrap service valves with wet cloth or use a heat sink material Use refrigerant grade tubing Service valves are closed from factory and ready for brazing Remove plastic retainer holding outdoor piston in liquid service valve and connect sweat flare adapter provided to valve See Fig 7 After wrapping service valve with a wet cloth tubing set can be brazed to service valve using either silver bearing or non silver bearing brazing material Consult local code requirements Refrigerant tubing and indoor coil are now ready for leak testing This check should include all field and factory joints 4 10 O CLOCK 2 O CLOCK SENSING f SENSING BULB BULB x a EQUALIZER TUBE Zz SUCTION TUBE THERMOSTATIC F x 8 O CLOCK 4 O CLOCK EXPANSION VALVE 7 IN OD amp SMALLER LARGER THAN 7 IN OD A88382 A81032 Fig 5 Typical TXV Installation Fig 6 Positioning of Sensing Bulb PROCEDURE 6 MAKE ELECTRICAL CONNECTIONS A WARNING To avoid personal injury or death do not supply power to unit with compressor terminal box cover removed Be sure field wiring complies with local and national fire safety and electrical codes and voltage to system is within limits shown on unit rating plate Contact local power company for correction of improper voltage See unit rating plate for recommended circuit protection device NOTE Operation of unit on improper line voltage co
15. wide and conform to shape of tubing insulation See Fig 2 Isolate hanger straps from insulation by using metal sleeves bent to conform to shape of insulation oes Table 1 Refrigerant Connections and Recommended Liquid and Vapor Tube Diameters In UNIT SIZE Connect Diameter LIQUID Tube Diameter Connect Diameter Tube Diameter 018 024 3 8 3 8 5 8 5 8 030 036 3 8 3 8 3 4 3 4 042 048 3 8 3 8 7 8 7 8 060 3 8 3 8 7 8 1 1 8 NOTE Tube diameters are for lengths up to 50 ft For tubing lengths greater than 50 ft consult your local distributor PROCEDURE 2 INSTALL ON A SOLID LEVEL MOUNTING PAD If conditions or local codes require unit be attached to pad tie down bolts should be used and fastened through knockouts provided in unit base pan Refer to unit mounting pattern in Fig 4 to determine base pan size and knockout hole location For minimum pad dimensions see Fig 4 A When installing allow sufficient clearance space for airflow wiring refrigerant piping and service Allow 30 in clearance to service end of unit and 48 in above unit For proper airflow a 6 in clearance on 1 side of unit and 12 in on all remaining sides must be maintained Maintain a distance of 24 in between units Discharge air must be unobstructed and must not recirculate Position so water snow or ice from roof or eaves cannot fall directly on unit
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