Installation Manual
Contents
1. Liquid and Vapor Tube Diameters in UNIT SIZE LIQUID PH10 Connect Diameter 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 8 718 066 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 10 Isolate hanger straps from insulation by using metal sleeves bent to conform to shape of insulation 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 2 to determine base pan size and knockout hole location For minimum pad dimensions see Fig 2 When installing allow sufficient space for airflow clearance 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 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 s2. 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 FAN COIL THERMOSTAT CONTROL HEAT PUMP CONTROL R el G c EA le W2 E c ae o EA Jo y EA Fig 6 Wiring Layout PFMNA018 through A070 Thermostat Indoor Outdoor Subbase Terminal Terminal Block Board N N HANKEGA AE N EE EA E E fre Le e e Fig 7 Wiring Layout PF1MNA071 A94060 A93102 2001 Payne Heating amp Cooling 7310 W Morris St indianapolis IN 46234 8 imph1006 Catalog No 53PH 1017
3. used to identify unsafe practices which would result in minor personal injury or product and property damage NOTE is used to highlight suggestions which willresult in enhanced installation reliability or operation 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 B Inspect Equipment File claim with shipping company prior to installation if shipment is damaged or incomplete Locate unit rating plate on unit service panel It contains information needed to properly install unit 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 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 p
4. 0 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 a DISCONNECT PER N E C AND OR LOCAL CODES CONTACTOR DR SP cl ES FIELD POWER ane one C BLUE FIELD GROUND mm WIRING GROUND LUG A94025 Fig 4 Line Power Connections 1 Ifequipped with a crankcase heater energize a minimum of 24 hr before starting unit Fo 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 50 ft A 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
5. 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 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 resuit 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 4 C Connect Control Wiring Route 24v control wires through control wiring grommet and connect leads to control wiring See Fig 6 and 7 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 24v 40va minimum supply for system or use accessory transformer NOTE Use of available 24v accessories may exceed the minimum 40va 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 3
6. Installation Manual Split System Heat Pump Sizes 018 060 NOTE Read the entire instruction manual before starting the installation 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 used 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
7. d retainer If O ring is damaged during removal install new retainer For PH12 Models After removing existing Check Flo Rater from indoor coil install field supplied bi flow hard shutoff TXV kit For TXV kit part number and charging instructions refer to TXV label on your unit If indoor unit fan coil comes factory equipped with a bi flow hard shutoff TXV no TXV change is required Pier ant AIR IN t AIR DISCHARGE 3 8 DIA TEDOWN ARIN KNOCKOUTS AIRIN gt ie AIR DISCHARGE lt 2 15 16 7 Baye 4 4 F2 3 4 B bo D A A AQ1340 UNIT SIZE es Se S B Sa eS ee PH10 018 030 Lin date 22 1 2 8 3 16 PH10 036 060 PH12 024 060 30 14 Fig 2 Unit Dimensions in Inches Install FXV kit to indoor coil as follows 1 Instali suction tube adapter 2 Instali 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 5 Insulate bulb after installation 6 Leak check all connections PROCEDURE 5 MAKE PIPING CONNECTIONS 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 A CAUTION If any refrigerant tubing is buried provi
8. de a minimum 6 in vertical rise to valve connections at unit Refrigerant tubing lengths up to 36 in may be buried without further consideration For buried fines longer than 3 ft consult your focal distributor 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 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 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 Check Charge B Refrigerant Tubing Connect tubing to fittings on outdoor unit vapor and liquid service valves C Sweat Connection A CAUTION To prevent damage to unit or service 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 reta
9. 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 made 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 cooling 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 valve A CAUTION 3 phase scroll compressors are rotation sensitive A flashing LED on phase monitor indicates reverse rotation See Fig 5 and Table 2 This will not allow contactor to be energized Disconnect power to unit and interchange 2 field wiring leads on unit contactor A SEQUENCE OF OPERATION With power supplied to indoor and outdoor units transformer is energized COOLING On a cali for cooling thermostat makes circuits R O R Y and R G Circuit R O energizes reversing valve switching it to cooling position On three phase models with scroll compressors the units are equipped with a phase monitor to detect if the incoming power is correctly phased for comp
10. iner holding outdoor piston in liquid service valve and connect sweat flare adapter provided to valve See Fig 3 After wrapping the service valve with a wet cloth braze sweat connections using industry accepted methods and materials Consult local code requirements Refrigerant tubing and indoor coil are now ready for leak testing This check should include all field and factory joints 7e PISTON BODY PISTON PISTON RETAINER STRAINER SWEAT FLARE ADAPTER Fig 3 Service Valve with Sweat Adapter Tube 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 constitutes 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 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
11. ol Table 2 Phase Monitor LED indicators STATUS OFF No call for compressor operation FLASHING Reversed phase ON Normal When thermostat is satisfied its contacts open de energizing contactor and relay 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 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 CHECK CHARGE Factory charge is shown on unit rating plate 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 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
12. ressor operation See Fig 18 and Table 3 If the phasing is correct 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 NOTE If the phasing is incorrect the contactor will not be energized To correct the phasing interchange any two of the three power connections on the field side When thermostat is satisfied contacts open de energizing the contactor and blower relay Compressor and motors should stop NOTE If indoor unit is equipped with a time delay relay circuit the blower runs an additional 90 sec to increase system efficiency HEATING On a call for heating thermostat makes circuits R Y and R G If phasing is correct circuit R Y energizes contactor starting outdoor fan motor and compressor Circuit R G energizes indoor blower relay starting blower motor on high speed Should temperature continue to fall R W2 is made through second stage room thermostat Circuit R W2 energizes a relay bringing on first bank of supplemental electric heat If outdoor temperature falis below setting of outdoor thermostat field installed option contacts close to complete circuit and bring on second bank of supplemental electric heat aoe at CDNTACTOR Z4VAC COM or DD N re Q T m M X OFF NO 24VAC ON DK FLASH PHASE PROBLEM rs e CD om A00010 Fig 5 Phase Monitor Contr
13. ulsations 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 L 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 1 Avoid direct tubing contact with water pipes ductwork floor joists wall studs floors and walis Do not suspend refrigerant tubing from joists and studs with a rigid wire or strap which comes in direct contact with tubing See Fig 1 Ensure that tubing insulation is pliable and it completely surrounds vapor tube Oo unu Dw FF WH LY When necessary use hanger straps which are l in wide and conform to shape of tubing insulation See Fig 1 Form IM PH10 06 Cancels IM PH10 05 1M PH12 01 Printed in U S A 11 01 Catalog No 53PH 1017 NOTE AVOID CONTACT BETWEEN TUBING AND STRUCTURE INDOOR WALL AROUND Libre Eu OUTDOOR WALL LINE ONLY va CAULK NX 0 VAPOR r O LINE 7 Fi 0 xO INSULATION fs INSULATION p N THROUGH THE WALL VAPOR LINE SUSPENSION Mi TINE LIQUID LINE A01443 Fig 1 Piping Installation Table 1 Refrigerant Connections and Recommended
14. upport 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 66F 18 8 C 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 OR TXV REQUIRED ON PH12 If unit is being installed with piston check indoor coil piston to see if it matches required piston shown on unit rating plate If it does not match replace indoor coil piston with piston shipped with outdoor unit The indoor piston shipped with outdoor unit is correct for any approved indoor coil combination NOTE Ifa TXV is to be installed on indoor unit remove indoor coil piston A CAUTION Do not install with evaporator coils having capillary tube metering devices Check outdoor unit piston as follows 1 Remove cap and retainer holding outdoor piston in liquid service valve 2 Remove outdoor piston and check size with matching number on unit rating plate 3 After verifying size reinstall piston an
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