Installation Instructions / User`s Manual NAXA00101DB
Contents
1. ee OUTDOOR Sasa SENSOR 8MPV C SERIES OR NEWER 8MPV C SERIES OR NEWER 9MPV D SERIES OR NEWER 9MPV D SERIES OR NEWER DAUGHTER BOARD TO FURNACE TO GENERIC HP WIRING REFER TO UNITS I O MANUAL FOR SPECIFICS REQUIRED OPTIONAL 1 STAGE HP WITH 1 STAGE FURNACE 1 STAGE HP WITH VARIABLE SPEED FURNACE THERMOSTAT DAUGHTER DAUGHTER C Cc Cc Cc C C W2 R R Ww H per O y G L e OD OD OUTDOOR SENSOR OUTDOOR OUTDOOR SENSOR SENSOR 8MPV C SERIES OR NEWER 8MPV C SERIES OR NEWER 9MPV D SERIES OR NEWER 9MPV D SERIES OR NEWER Notes The L Output from the Heat Pump or A C Unit can be wired to either the NAXA00101DB Daughter Board or the TSTAT0406 or TSTAT0407 Thermostats for proper operation The Outdoor Sensor can be hooked directly to the NAXA00101DB Daughter Board or the TSTAT0406 or TSTAT0407 Thermostats for proper operation A pigtail wiring harness is supplied with the NAXA00101DB Daughter Board for connection to its L input A pigtail wiring harness is supplied with the NAXA00101DB Daughter Board for connection to its OD inputs International Comfort Products Inc 4 482 06 5301 00 997 060180 7 NAXA00101DB Drill Template Directions Cut Template out along dotted lines Tape template over the sheet metal area to be drilled Drill four holes using a 32 drill bit 112. installation The following connections are provided in the P2 terminal block Power and Communication Connections to Communicating Thermostat P2 Pin 1 R 24VAC hot power connection for communicating thermostat P2 Pin 2 GND Ground connection for communicating thermostat P2 Pin 3 DX DX connection to the A Terminal on the communicating thermostat P2 Pin 4 DX DX connection to the B Terminal on the communicating thermostat The following connections are provided in the P3 terminal block Outputs to the HVAC Equipment P3 Pin 1 O 24 VAC thermostat output P3 Pin 2 W 24 VAC thermostat output P3 Pin 3 G 24 VAC thermostat output P3 Pin 4 y 24 VAC thermostat output P3 Pin5 Not Used 24 VAC thermostat output The following connections are provided in the P4 terminal block Outputs to the HVAC Equipment P4 Pin 1 H 24 VAC thermostat output P4 Pin 2 W2 24 VAC thermostat output P4 Pin 3 Y2 24 VAC thermostat output P4 Pin 4 R 24 VAC system power input P4 Pin 5 C 24 VAC system common input The following connections are provided in the P5 Connector Optional Location for the Outdoor Sensor Hook up P5 Pin 1 OD Ground for Remote Outdoor Temperature Sensor P5 Pin 2 OD Remote Outdoor Temperature Sensor input P5 Pin 3 Not used P5 Pin 4 Not used The following connections are provided in the P8 Conn
3. 60 through the four dark circles denoted on the template Remove the template from the drilled area Mount the NAXA00101DB Control with the four 6 sheet metal screws included in the kit Note Ensure that are to be drilled is clear of any gas lines or wiring harnesses prior to drilling ARONA x x 3 1YLSOWYJHL J Drill Holes 2 places Drill Holes 2 places URS 553400V vw LSS 00b c8 International Comfort Products Inc 5 482 06 5301 00
4. 997 060180 7 International Comfort IGP Installation Instructions User s Manual NAXA00101DB Communicating Daughter Board The NAXA00101DB daughter board control allows for using 4 existing thermostat wires in an existing finished home to communicate with the TSTAT0406 amp TSTAT0407 thermostats The daughter board translates the communicated heating and cooling needs and sends the normal discrete thermostat outputs to the indoor and outdoor equipment as needed The NAXA00101DB Daughter Board must be used in conjunction with the TSTAT406 or TSTAT0407 Communicating Thermostat for proper operation The daughter board provides a two wire RS485 ModBus communication link and 24VAC to the communicating thermostat via a 4 wire connection scheme L input from the Comfort Alert Module a sensor input for the remote outdoor sensor seven thermostat 24VAC outputs W G Y 0 W2 Y2 H and status amp communication LED s NAXA00101 Daughter Board Kit includes the following NAXA00101DB Daughter Board 4 6 sheet metal mounting screws L Input Pigtail wire harness amp wire nut Remote outdoor sensor pigtail wire harness amp wire nuts Installation instructions dL0L00VXVN Note Output LED s illuminate next to corresponding outputs in areas shown by xf International Comfort Products Inc 1 482 06 5301 00 997 060180 7 Daughter Board Terminals amp Connections See wiring diagrams for proper wiring and
5. L C C e Cc pc W2 W2 W2 R R C w1 Ww Ww O B 2 1 Y Y G G L L u H Y Y G B o o DAUGHTER BOARD TO FANCOIL TO GENERIC HP WIRING REFER TO UNITS I O MANUAL FOR SPECIFICS REQUIRED en OPTIONAL 1 STAGE HP WITH VARIABLE SPEED FANCOIL 2 STAGE ELECTRIC HEAT DAUGHTER DAUGHTER C C C C C R R R Ww OUTDOOR DX DX SENSOR DX DX D 0D D D GND DAUGHTER BOARD TO FURNACE TO GENERIC AC WIRING REFER TO UNITS I O MANUAL FOR SPECIFICS REQUIRED ee OPTIONAL GND 1 STAGE AC WITH 1 STAGE FURNACE 1 STAGE AC WITH VARIABLE SPEED FURNACE Notes The L Output from the Heat Pump or A C Unit can be wired to either the NAXA00101DB Daughter Board or the TSTAT0406 or TSTAT0407 Thermostats for proper operation THERMOSTAT Cc Cc Cc The Outdoor Sensor can be hooked directly to the NAXA00101DB Daughter Board or the TSTAT0406 or TSTAT0407 Thermostats for proper operation A pigtail wiring harness is supplied with the NAXA00101DB Daughter Board for connection to its L input A pigtail wiring harness is supplied with the NAXA00101DB Daughter Board for connection to its OD inputs
6. OME ERE ee twee ee ee Vpanlaonaonse Yellow Al LERT Flash Code 3 Short Cycling Compressor is running only briefly 1 Thermostat demand signal intermittent 2 Time delay relay or control board defective 3 If high pressure switch present go to Flash Code 2 information 4 If low pressure switch present go to Flash Code 1 information Yellow Al LERT Flash Code 4 Yellow Al LERT Flash Code 5 Yellow Al Flash Code 6 LERT Locked Rotor Open Circuit Open Start Circuit SOR a i E aa o Ci 4 5 6 e 7 ee pale Run Capacitor has failed Low line voltage contact utility if voltage disconnect is low Excessive liquid refrigerant in compressor Compressor bearings are seized Measure compressor oil level Outdoor unit power disconnected Compressor circuit breaker or fuse s open Compressor contactor has failed open Check compressor contactor wiring and connectors Check for compressor contactor failure burned pitted or pen Check wiring and connection between supply and ompressor Check for low pilot voltage at compressor contactor coil High pressure switch is open and requires manual reset Open circuit in compressor supply wiring or connections Unusually long compressor protector reset time due to xtreme ambient temperature Compressor windings are damaged Check compressor motor winding resistance Run capacitor has failed Open circuit in c
7. ector Optional Connection for the Comfort Alert ALARM Output P8 Pin 1 Not Used No Connect P8 Pin 2 Not Used No connect P8 Pin 3 Le L fault input from Comfort Alert Module Status LED Operation The LED labeled LEDS is a status LED that will provide a heart beat blink of this LED to indicate that the NAXA00101DB communicating daughter board control is powered and working properly Communication LED Operation The LED labeled LED3 will be illuminated for 100mS each time a successful communications packet is received from the TSTAT0406 or TSTAT0407 communicating thermostat Thermostat Call Output LED s Operation There is an LED Output for each thermostat output from the daughter board The corresponding LED will illuminate any time the associated thermostat output is active LED 8 illuminates when O Output is energized LED 7 illuminates when W Output is energized LED 6 illuminates when G Output is energized LED 4 illuminates when Y Output is energized LED 9 illuminates when H Output is energized LED 1 illuminates when w2 Output is energized LED 2 illuminates when Y2 Output is energized International Comfort Products Inc 2 482 06 5301 00 997 060180 7 L Input from Comfort Alert Module to Daughter Board The Comfort Alert Module will transmit the active fault code The Comfort Alert or thermostat does not have any effect on opera
8. ompressor start winding or connections Compressor start winding is damaged Check compressor motor winding resistance ellow Al m lt LERT ash Code 7 Open Run Circuit Current only in start circuit 1 Ci P Open circuit in compressor run wiring or connections Check wiring and connectors between supply and the compressor R terminal Compressor run winding is damaged Check compressor motor winding resistance ellow Al LERT ash Code 8 Welded Contactor Compressor contactor has failed closed Thermostat demand signal not connected to module ellow Al a lt lt LERT ash Code 9 Low Voltage Control circuit lt 17 VAC N aln ale low Control circuit transformer is overloaded Low line voltage contact utility if voltage at disconnect is Check wiring connections International Comfort Products Inc Flash Code number corresponds to a number of LED flashes followed by a pause then repeated TRIP and ALERT LED s flashing at the same time means control circuit voltage is too low for operation 482 06 5301 00 997 060180 7 DAUGHTER BOARD TO FANCOIL TO GENERIC AC WIRING REFER TO UNITS I O MANUAL FOR SPECIFICS REQUIRED OPTIONAL 1 STAGE AC WITH VARIABLE SPEED FANCOIL 2 STAGE ELECTRIC 2 STAGE AC WITH VARIABLE SPEED FANCOIL 2 STAGE ELECTRIC 1 STAGE AC WITH 1 STAGE FANCOIL HEAT HEAT THERMOSTAT DAUGHTER FANCOIL THERMOSTAT THERMOSTAT FANCOI
9. r blockage heck evaporator blower wiring and connectors heck indoor blower control board heck thermostat wiring for open circuit vaporator coil is frozen heck for low suction pressure heck for excessively low thermostat setting heck evaporator airflow coil blockages or return air filter heck ductwork or registers for blockage Faulty metering device Check TXV bulb installation size location and contact Check if TXV fixed orifice is stuck closed or defective Condenser coil is dirty Liquid line restriction filter drier blocked if present in system Thermostat is malfunctioning Check thermostat sub base or wiring for short circuit Check thermostat installation location level Comfort Alert Module failure Maa0000a ogoogo Flash Cod Yellow ALERT e2 Status LED System Pressure Trip Discharge or suction pressure out of limits or compressor overloaded Status LED Description High head pressure Check high pressure switch if present in system Check if system is overcharged with refrigerant Check for non condensable in system Condenser coil poor air circulation dirty blocked damaged Condenser fan is not running Check fan capacitor Check fan wiring and connectors Check fan motor for failure or blockage Return air duct has substantial leakage If low pressure switch present in system check Flash Code 1 information Status LED Troubleshooting Information apnee ewp ee aloe N
10. tion of the equipment during a Comfort Alert fault The Comfort Alert fault output can be wired directly to the daughter board or communicating thermostat When the Comfort Alert Module is wired to the L input of the daughter board it will recognize the fault output after it has been active for 10 seconds After the daughter board has recognized the active fault from the Comfort Alert Module the daughter board will forward the fault information to the communicating thermostats via the communication wires The communicating thermostat will then display the fault code as defined COMFORT ALERT MODULE FAULT CODES Status LED Status LED Description Status LED Troubleshooting Information Green POWER Red TRIP Module has power Thermostat demand signal Y is present but the compressor is not running Supply voltage is present at module terminals 1 Compressor protector is open Check for high head pressure Check compressor supply voltage Outdoor unit power disconnect is open Compressor circuit breaker or fuse s is open Broken wire or connector is not making contact Low Pressure switch open if present in system Compressor contactor has failed open Flash Cod Yellow ALERT e 1 Long Run Time Compressor is running extremely long run cycles Low refrigerant charge Evaporator blower is not running heck blower relay coil and contacts heck blower motor capacitor heck blower motor for failure o
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