Amana PTAC Service Instructions Manual
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Amana PTAC Service Instructions Manual

Package terminal air conditioner/heat pump
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Service Instructions

PACKAGE TERMINAL
AIR CONDITIONER/HEAT PUMP
Standard and Remote Applications
with LED M70 Control Board
and R-410A
This manual is to be used by qualified, professionally trained HVAC technicians only.
RS4200005r11
Goodman does not assume any responsibility for property damage or personal injury
September 2017
due to improper service procedures or services performed by an unqualified person.
is a registered trademark of Maytag Corporation or its related companies and is used under license to Goodman Company, L.P., Houston, TX, USA. All rights reserved.
© 2014 - 2017 Goodman Company, L.P.

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  • Page 1: Service Instructions

    Service Instructions PACKAGE TERMINAL AIR CONDITIONER/HEAT PUMP Standard and Remote Applications with LED M70 Control Board and R-410A This manual is to be used by qualified, professionally trained HVAC technicians only. RS4200005r11 Goodman does not assume any responsibility for property damage or personal injury September 2017 due to improper service procedures or services performed by an unqualified person.

  • Page 2: Table Of Contents

    INDEX PRODUCT IDENTIFICATION .................. 4 IMPORTANT INFORMATION ................... 2 SPECIFICATIONS ....................5 PROPER INSTALLATION ..................9 MAINTENANCE ....................32 OPERATIONS ....................34 SERVICING ....................38 WIRING DIAGRAMS ..................61 IMPORTANT INFORMATION Pride and workmanship go into every product to provide our customers with quality products. It is possible, however, that during its lifetime a product may require service.
  • Page 3 CONDITIONING EQUIPMENT. To locate an authorized servicer, please consult your telephone book or the dealer from whom you purchased this product. For further assistance, please contact: CONSUMER INFORMATION LINE - AMANA BRAND PRODUCTS TOLL FREE ® 1-877-254-4729 (U.S. only) email us at: customerservice@goodmanmfg.com fax us at: (713) 856-1821 (Not a technical assistance line for dealers.)

  • Page 4: Product Identification

    07 3 G 35 A X X X BASIC MODEL TYPE MAJOR/MINOR DESIGN REV. PTC = Standard Cooler PTAC PTH = Standard Heat Pump PTHP DRY = Dehumid Cooler PTAC PMC = Cooler w/ Makeup Air Kit PMH = Heat Pump w/ Makeup Air Kit...

  • Page 5: Specifications

    PMC/PMH SERIES SPECIFICATIONS Model ¹, PMC073G** PMC093G** PMC123G** PMC153G** Voltage ¹, ³ 230 / 208 230 / 208 230 / 208 230 / 208 Capacity (BTU/h) 7,700 / 7,700 9,000 / 9,000 12,000 / 11,700 15,000 / 14,700 Amps 3.5 / 3.5 4.1 / 4.1 5.6 / 5.6 7.0 / 7.0...
  • Page 6 ** Actual vent CFM performance w ill vary due to application and installation conditions. Notes: ¹ All 265-volt models must use an Amana® brand sub-base (PTSB4**E) or an Amana® brand hard-w ire kit (PTPWHWK4). ² Minimum Circuit Ampacity (MCA) ratings conform to the National Electric Code; how ever, local codes should apply.
  • Page 7 ** Actual vent CFM performance w ill vary due to application and installation conditions. Notes: ¹ All 265-volt models must use an Amana® brand sub-base (PTSB4**E) or an Amana® brand hard-w ire kit (PTPWHWK4). ² Minimum Circuit Ampacity (MCA) ratings conform to the National Electric Code; how ever, local codes should apply.
  • Page 8 ** Actual vent CFM performance w ill vary due to application and installation conditions. Notes: ¹ All 265-volt models must use an Amana® brand sub-base (PTSB4**E) or an Amana® brand hard-w ire kit (PTPWHWK4). ² Minimum Circuit Ampacity (MCA) ratings conform to the National Electric Code; how ever, local codes should apply.
  • Page 9 PTH G SERIES SPECIFICATIONS HEAT PUMP - PTH Model ¹, 073G** 093G** 123G** 153G** 074G** 094G** 124G** 154G** Voltage ¹, ³ 230 / 208 230 / 208 230/208 230 / 208 Capacity (BTU/h) 7600/7600 9,000 / 9,000 12,000 / 12,000 14,200 / 14,200 7,600 9,100 12,000...
  • Page 10 ⁴ Overcurrent protection for all units without electric heaters is 15 amps. Overcurrent protection on 265-volt models must be cartridge-style time-delay fuses (included and factory-installed on all Amana® brand 265-volt chassis). ⁵ Heating capacity and efficiency based on unit operation without condensate pump; unit automatically switches to electric heat at approximately 24°F outdoor ambient.
  • Page 11 3.1/3.2 CFM (Dry) Notes ¹ All 265-volt models must use an Amana® brand sub-base (PTSB4**E) or an Amana® brand hard-wire kit (PTPWHWK4). ² Minimum branch circuit ampacity ratings conform to the National Electric Code; however, local codes should apply. ³ Minimum voltage on 230/208-volt models is 197 volts; maximum is 253 volts.
  • Page 12 23.8 7-30 P Notes: ¹ All 265-volt models must use an Amana® brand sub-base (PTSB4**E) or an Amana® brand hard-wire kit (PTPWHWK4). ² Minimum branch circuit ampacity ratings conform to the National Electric Code; however, local codes should apply. ³...

  • Page 13: Proper Installation

    PROPER INSTALLATION OPERATING VOLTAGES WARNING USE EXTREME CAUTION WHEN CHECKING HIGH VOLTAGE. Use a voltmeter, check the voltage at the outlet. The reading must be within the minimums and maximums shown below for the operating voltage. O perating Voltages Unit Voltage Voltage Utilization Range Rating Minimum Voltage...
  • Page 14 PROPER INSTALLATION WALL SLEEVE INSTALLATION • If installed in a concrete or masonry wall, a lintel must be provided in the wall opening for support. Do not use the wall sleeve as a lintel. See Framing with Lintel Figure for a typical lintel construction. The wall sleeve must be installed before the air conditioner or heat pump chassis can be set in place.
  • Page 15 PROPER INSTALLATION Dimension "B" in Table 1 Minimum Interior and Exterior Projections Minimum Wall Opening Dimensions MINIMUM CLEARANCES AND PROJECTIONS When 115 volt or 230/208 volt units are to be installed, Minimum Minimum the power supply may be either cord connected or per- Clearances Projection Option...
  • Page 16 Refer to the the wall sleeve. Installation Instructions supplied with the outdoor grille kit for a complete description of the installation procedure. NOTE: Check with Amana Brand Technical Service when a ® chassis is installed in any wall sleeve not supplied by This model requires either a Stamped Grille Kit (Model SGK- Goodman.
  • Page 17 PROPER INSTALLATION 4. Secure the chassis to the wall sleeve using three screws on each side of the chassis to ensure a proper seal be- tween the chassis and the wall sleeve. The screws are supplied in a plastic bag which is attached to the power cord.
  • Page 18 PROPER INSTALLATION SPECIFICATIONS WIRING Cord connection to a wall socket is not permitted for 265- volt units. All 265-volt units must be hard wired using the hard wire kit or make use of the plug-in receptacle in the standard subbase. Heaterless Units If a heaterless unit is ordered, field provisions must be made for supplemental heat if desired.
  • Page 19 PROPER INSTALLATION Remote Control Inputs MAXIMUM WIRE LENGTH The C, R, G, (GL for low fan speed or GH for high speed fan FOR FRONT DESK SWITCH on W2, Y/W1 and B terminals provide control inputs for a Maximum Wire Size remote wall mounted thermostat.

  • Page 20: Maintenance

    THERMOSTAT REMOTE MASTER SWITCH Control Board User Inputs* *NOTE: The PTAC Wire Harness Kit (PWHK01G70) is required for the auxiliary or remote thermostat options. Additional Control Inputs The control inputs provide additional unit control and fea- tures. To access these control inputs, the cabinet front must be removed (see Front Removal).
  • Page 21 PROPER INSTALLATION To obtain access to the vent control: AIR DISCHARGE GRILLE 1. Remove the cabinet front (see Front Removal). The discharge grille can be adjusted to expel air at either a 16° or 56° angle. 2. Remove the shipping screw (if installed) from the vent door.
  • Page 22 ANTENNA INSTALLATION FOR DT01* KIT able. To configure the unit, first select the configuration A DT01* antenna must be installed on the digital PTAC to feature code setting and then an option code to change allow operation of either the DS01* remote RF thermostat from the factory default setting.
  • Page 23 PTAC. Gently push the connec- 4. Connect wires at PTAC unit to terminal pins C and R. tor into place by pushing on the edge of the connector The wire harness kit PWHK01C is required for this con- with your thumb nails.
  • Page 24 The door sensor has four (4) terminal locations for wired power and/or wired magnets. The two (2) terminals closest A DT01A must be installed in the PTAC unit for the DD01E to the binding button are for wired magnet and the top two or DD01F to be operable.
  • Page 25 PROPER INSTALLATION Viewed from the back with the power block Select the correct slot in the magnet holder (there are three in upper right corner. slots) to obtain 15/16" from back of sensor mounting plate Power Connection to the center of the magnet. (If you can easily slide a business card between the magnet and the DD01E or DD01F sensor, unit is properly placed vertically.) See following Wired...
  • Page 26 PROPER INSTALLATION The following figures show the magnet 15/16” from the sensor mounting plate in different slot positions (A, B & C). CONSTRUCTION STYLE 1 Place magnet in Position A in instances when the door and frame align. SIDE VIEW MAGNET SLOTS MAGNET HOLDER TOP VIEW...
  • Page 27 DD01E or DD01F is installed and bound to the PTAC. Addi- See Construction style 4. tionally, the setback times and setback temperatures can be changed using the configuration settings.
  • Page 28 SEE PAGE 27. the up and down arrow keys to select 1. The PTAC control can be set for a 4-digit room num- ber. To select the first two digits (floor), press the appears in the display). For the bedroom unit closest to the main room in room...
  • Page 29 2. Press and then immediately release the white tactile button on the back of the DS01* thermostat. should 1. The PTAC control can be set for a 4-digit room num- now be displayed on the PTAC LED display. If does ber.
  • Page 30 *Other software versions may have different factory setback appears in the display). Since is the defaults. Contact your PTAC representative to determine factory default settings. factory default setting for configuration code , it may not be necessary to configure the suffix for the main room.
  • Page 31 PROPER INSTALLATION pied setback time. Press either the up or down arrow press the HEAT key until comes up. Press to the desired third unoccupied setback time. either the up or down arrow to the desired 10. To exit configuration mode: second unoccupied setback temperature.

  • Page 32: Configuration Settings

    PROPER INSTALLATION CONFIGURATION SETTINGS The display will indicate - -. Press the key one 7 BUTTON TOUCH PAD WITH DISPLAY time. The display will then alternate between C1 and 0. The control can be configured to operate a wide range of options.
  • Page 33 CONFIGURATION SETTINGS Configuration Configuration Feature Option Code Option Code Interface Chassis Membrane * Wired Thermostat Wireless Stat & 7-Button Locked Membrane ID Fan Operation do not use do not use Button present Revert to Cyclic Always run fan (even if Off) do not use Revert to Continuous Reverse Cycle Operation...

  • Page 34: Operations

    To properly maintain the operational performance of your 3. Slide the chassis out of the wall sleeve far enough so PTAC unit, it is extremely important that the inlet air filter that the vent screen is accessible. be cleaned once per month or more often if operated in 4.
  • Page 35 120°F. that are not designed for PTAC products will cause damage 4. Tilt the non-compressor side of the unit up no higher or deterioration of the aluminum fin or coil material and is than 45 degrees and allow water to drain out the other not recommended.
  • Page 36 MAINTENANCE CLEARANCE CHECK Air Sounds The fan cycle switch sets the operational mode of the fan in Clearances around the unit should also be checked to make the on position. When the unit is in conditioning mode for sure that the intake air and discharge air paths have not example high or low heat or cool, the fan will run continu- become blocked or restricted.
  • Page 37 OPERATIONS SEQUENCE OF OPERATION • Automatic Freeze Protection - Whenever power is sup- plied to the unit and the master switch is in the ON Cooling Mode position, automatic freeze protection is active. If the Set the thermostat to the desired temperature then set the thermistor senses temperature below 40°F+/-5°F, the mode switch to high or low cool.
  • Page 38 OPERATIONS • Remote Temperature Sensor - An auxiliary tempera- • Indoor/Outdoor Coil Thermistors- In the cooling mode, ture sensor ( RTS02) may be connected to the control if the compressor is engaged continuously for 20 min- that senses actual room temperature. This sensor re- utes and the Indoor Coil Thermistor is below 30 de- places the Indoor Ambient Thermistor and will connect grees the compressor is disengaged until the ICT rises...
  • Page 39 OPERATIONS REFRIGERATION SEALED SYSTEM Refrigeration System - Air Conditioner Capillary Tube Check Valve (Open) Process Strainer Capillary Tube Discharge Line Suction Line Condenser Evaporator Suction Line Reversing Valve Compressor Refrigeration Sealed System - Heat Pump (Air Conditioning Mode)
  • Page 40 OPERATIONS REFRIGERATION SEALED SYSTEM Refrigeration Sealed System - Heat Pump (Heat Pump Mode)

  • Page 41: Servicing

    SERVICING REFRIGERATION SYSTEM SERVICE Dehydrating And Evacuating Refrigeration System A rather popular misconception exists that since air condi- tioners normally operate with a refrigerant temperature above 32°F., moisture in the system is harmless. Nothing WARNING could be further from the truth. Oxygen from moisture plus normal compressor and motor heat reacts chemically with the refrigerant and oil to form corrosive hydrochloric and hydrofluoric acids.
  • Page 42 SERVICING SILVER SOLDER (Alloy of 30% silver, 38% copper, 32% zinc.) 6. Evacuate the system to at least 29 inches gauge before is used with fluoride base flux on copper to steel, brass to opening valve to thermocouple vacuum gauge. copper, steel to steel, brass to steel.
  • Page 43 SERVICING Saturate the wick (only once during procedure of ob- WARNING taining wet bulb readings) with clean water slightly be- low room temperature. Psychrometer reading should be NEVER TEST OPERATION WITHOUT THE UNIT IN acquired five to six feet in front of the unit and ap- proximately four feet off the floor.
  • Page 44 SERVICING For the example unit under test, the temperature differ- • The total watts or amps recorded should fall within the ence was 11°F (80°F, return air, minimum 69°F discharge minimum and maximum watts/amps listed on these air). Since the value is within the listed cooling range 8 - charts.
  • Page 45 SERVICING PMC / PTC COOLING CHANGE OF TEMPERATURE - AIR CONDITIONERS P MC0 7 3 P MC0 7 4 P MC0 9 3 P MC0 9 4 P MC12 3 P MC12 4 P MC15 3 P MC15 4 Mode l P TC0 7 3 P TC0 7 4 P TC0 9 3...
  • Page 46 The Diagnostic Maintenance & Status Report Mode provides perature behind the filter, IA; the indoor coil tempera- detailed information on PTAC control operation and opera- ture, IC; the indoor discharge air temperature, Id; the tional status including present modes, failures, airflow re- outdoor coil temperature, OC;...
  • Page 47 SERVICING ERROR CODE STATUS DISPLAY SUGGESTED ACTION LIGHT Freeze Protection Engaged. The room temperature No Action required. This setting will disengage when measured by the wireless remote thermostat or indoor the room temperature rises above 43°F. ambient thermistor active sensor falls below 40°F. Open front desk switch to allow occupant unit Front Desk switch is closed.
  • Page 48 ANALYSIS CHART System Unsatisfactory Com plaint No Heat Operating Cooling Pressures Test Method POSSIBLE CAUSE Remedy DOTS IN ANALYSIS GUIDE INDICATE "POSSIBLE CAUSE" • Pow er Failure Test Voltage • • • Blow n Fuse Im pact Fuse Size & Type •...
  • Page 49 SERVICING S-1 CHECKING VOLTAGE 6. Pull heater assembly up and out of the chassis. 7. Disconnect floodback protector. 8. If the unit has a Red Thermistor on the indoor coil WARNING follow steps 1-6 then steps 12 and 13. 9. Remove the access panel on the evaporator assem- bly.
  • Page 50 SERVICING THERMISTOR RESISTANCE - TEMPERATURE CHARACTERISTIC Thermistor Resistance-Temperature Characteristic 180000 160000 140000 120000 100000 80000 60000 40000 20000 100 110 120 130 140 150 160 170 T emperature (deg F) Chart applies to black, red, blue, yellow and green wires; it does not apply to orange wires. center partition are properly sealed with Permagum.S-5 Outdoor Coil Thermostat or Thermistor (Switchover Thermostat).
  • Page 51 SERVICING Remove Screws Remove Screws Remove Screws h e a t e r . Remove Cover Figure C Checking Heater Assembly 1. With power off to the unit and heater, remove the Figure A heaters in question and visually inspect the element 8.
  • Page 52 SERVICING Capacitance Check Resistance Check Using a hookup as shown below, take the amperage and voltage readings and use them in the formula: WARNING WARNING LINE VOLTAGE NOW PRESENT. Discharge capacitor and remove wire leads. Voltmeter 15 Amp Fuse WARNING DISCHARGE CAPACITOR THROUGH A 20 TO 30 OHM Capacitor RESISTOR BEFORE HANDLING.
  • Page 53 SERVICING Remove Screws Remove Screws Remove Screws Remove Cover Figure F 11. Lift up on the right side of the fan motor assembly to release the housing. Figure D 12. Slide the assembly to the right as you are looking at it, 8.
  • Page 54 SERVICING Ground Test 1. Remove the motor leads from their respective con- nection points and capacitor (if applicable). With no power and compressor leads removed: Set an ohmmeter on its highest scale. Touch one lead to 2. Check the continuity between each of the motor leads. the compressor body (clean point of contact, as a good con- 3.
  • Page 55 SERVICING 2. Carefully apply line voltage. 1. Remove the two screws securing the front. Not all in- stallations have the screws. Then remove the front. Do a. If the compressor starts and continues run, the cause this by pulling the bottom corners out and lifting up. for failure is somewhere else in the system.
  • Page 56 SERVICING 6. Clean the end of the capillary tube and insert into the If the valve fails to change its position, test the voltage tube, it may be necessary to crimp tubing around the (230 V. or 265 V.) at the valve coil connector cap, while the capillary tube, being careful not to damage the capillary system is on the HEATING CYCLE.
  • Page 57 SERVICING Front Mounting Screw accessed through louvers. 4. Lift the cabinet front off the chassis. Reverse this pro- cedure to reinstall the cabinet front. 2. Grasp the cabinet front as shown. CHASSIS WARNING 1. Disconnect power to the unit. 2. Remove the front cover. 3.
  • Page 58 Excess condensate is drained The DigiAIR™ compressor/dehumidification process is con- into the PTAC’s wall case from which it can drain either to trolled both by a humidity sensor and temperature sensor the outside through the drain holes in the sleeve or piped to that monitor the outdoor environment.
  • Page 59 Low Side Pressure (Psig) switch to the “on” position if makeup air is desired. The Air Flow (CFM ) DigiAIR™ power switch is located on the front of the PTAC Dehimidification (Oz/Hr) control and is visible when the front is not installed. Also, Kit Weight (lbs) if the DigiAIR™...
  • Page 60 The DigiAIR™ power switch should be in the “ON” position to activate the module. When this switch is ON and the PTAC unit is properly powered, the fan will operate and the vent door motor will keep the DigiAIR™ vent door in the open position.
  • Page 61 7. While the R410A PTAC is not actively conditioning the air and the PTAC fan(s) are in the off position, check to MAINTENANCE AND CLEANING make sure that air is flowing through the DigiAIR™ mod- ule into and through the PTAC into the room.
  • Page 62 SERVICING 8. Remove the floodback protector or thermistor from the Right Side evaporator discharge tube. Of Unit Control Panel 9. Remove screws holding evaporator to basepan and par- tition panel. 10. After recapturing the refrigerant charge (see Refrig- eration Service section), debraze the tubes into the evaporator.

  • Page 63: Wiring Diagrams

    WIRING DIAGRAM DigiAIR™ MAKE-UP SOLUTION KIT WARNING MOTOR MOTOR TR 1 TR 1 MOTOR MOTOR DANGER DANGER HIGH HIGH VOLTAGE VOLTAGE REV. REV. LINE 1 LINE 1 HEATER 1 HEATER 1 HEATER 2 HEATER 2 LINE 2 LINE 2 COMPRESSOR COMPRESSOR HIGH HIGH...
  • Page 64 1400 1250 1200 1000 HIGH HIGH VALVE ALTERNATE ALTERNATE OUTDOOR INDOOR MOTOR MOTOR WIRING WIRING PTAC Outdoor Motor Speed Selection High Speed Low Speed Model Starts With VSTM Tap VSTM Tap (Black Wire) (Red Wire) DRY093G(00 to 35) 1350 1170 DRY094G(00 to 35)
  • Page 65 WIRING DIAGRAM DigiAIR™ MAKE-UP SOLUTION KIT WARNING To MC TR 1 ON/OFF DANGER HIGH SWITCH HEATER 1 HEATER 2 TR 2 OPTIONAL ALTERNATE POWER HYDRONIC VENT/DOOR HEAT To MC OPTIONAL CONDENSATE PUMP Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 66 WIRING DIAGRAM DigiAIR™ MAKE-UP SOLUTION KIT WARNING > > > > ON/OFF SWITCH OPTIONAL DEHUMIDIFICATION Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 67 WIRING DIAGRAM DigiAIR™ MAKE-UP SOLUTION KIT WARNING > > > > OPTIONAL OPTIONAL TRANSFER LIGHTING CONTROL To MC To MC SWITCH Daughter Board Device Switch 1 Switch 2 Switch 3 Switch 4 Switch 5 • • • • • Small Vent Power Door / Vent •...
  • Page 68 WIRING DIAGRAM WARNING LEGEND FOR WIRING DIAGRAM ON FOLLOWING PAGE * FOR A HEAT PUMP THERMOSTAT USED ON A STRAIGHT COOL UNIT. ** GL - LOW SPEED GH - HIGH SPEED OUTDOOR FAN MOTOR COMP COMPRESSOR DAUGHTER BOARD EVAPORATOR MOTOR FAN CAPACITOR FUSE HIGH PRESSURE SWITCH...
  • Page 69 WIRING DIAGRAM WARNING MOTOR MOTOR TR 1 TR 1 MOTOR MOTOR DANGER DANGER HIGH HIGH VOLTAGE VOLTAGE REV. REV. LINE 1 LINE 1 HEATER 1 HEATER 1 HEATER 2 HEATER 2 LINE 2 LINE 2 COMPRESSOR COMPRESSOR HIGH HIGH VALVE VALVE HIGH HIGH...
  • Page 70 WIRING DIAGRAM WARNING TYPE A WITH SPEED TABS EVAP MOTOR MOTOR TO MOTOR TO MOTOR INPUT VSTM OD VSTM ID INPUT R 485 R 485 1650 1500 1350 1170 1400 1250 1200 1000 HIGH HIGH VALVE ALTERNATE ALTERNATE OUTDOOR INDOOR MOTOR MOTOR WIRING...
  • Page 71 WIRING DIAGRAM WARNING ON/OFF SWITCH TR 2 OPTIONAL POWER VENT/DOOR To MC TR 1 DANGER HIGH To MC HEATER 1 HEATER 2 ALTERNATE OPTIONAL HYDRONIC CONDENSATE HEAT PUMP Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 72 WIRING DIAGRAM WARNING > > > > ON/OFF SWITCH OPTIONAL FRESH AIR DEHUMIDIFICATION Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 73 WIRING DIAGRAM WARNING > > > > OPTIONAL OPTIONAL TRANSFER LIGHTING CONTROL To MC To MC Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 74 Outdoor Motor Speed Selection High Speed Low Speed Model Starts With VSTM Tap VSTM Tap (Black Wire) (Red Wire) DRY093/DRY094 1350 1170 PTC173 1650 1450 HEC073/PTH073/PTH074 1350 1170 HEC093/PTH093/PTH094 1350 1170 HEC123/PTH123/PTH124 1500 1350 PTH153/PTH154 1650 1500 PMH153/PMH154 1650 1500 1350 1170 PTC073/PTC074...

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