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Ignition Control Module for Gas Furnace

Figure 35: Typical Staged Gas Furnace Electrical Schematic with Sensor   

  

Ignition Control Module LED Diagnostics

The following LED indicators can be used to diagnose faults associated with the staged gas furnace.

Table 19: LED Indicator and Fault Conditions  

  

Figure 36: Utec 1016-400 Wiring  

  

Indicator

Fault Condition

Steady Off

No power or control hardware fault

Steady On

Power applied, control OK

1 Flash

Combustion fan motor energized, pressure switch open

2 Flashes

Combustion fan motor off, pressure switch closed

3 Flashes

Ignition lockout from too many trials

4 Flashes

Ignition lockout from too many flame losses within single call for heat

5 Flashes

Control hardware fault detected

GAS

SYSTEM WIRING DIAGRAM

SENSE

SPARK

VOLTAGE

HIGH

24VAC

120VAC

MAIN

GAS VALVE

INDUCER

PRESSURE SWITCH

PSI

T'STAT

LIMIT

COM

C

X

R

FS

W

PS2

IND

L1

BURNER

MV

120/240  VAC

1016-4XX

FOR CONTROL WITH POST-PURGE

o

pTIonal

 g

as

 h

eaT

www.DaikinApplied.com 

35

 

IM 1125-6 • REBEL ROOFTOPS

DOT-ITB-21-8041-AC

FPID: 437300-3-7B-01

Содержание DPS003

Страница 1: ...1125 6 Group Applied Air Systems Part Number IM 1125 Date September 2014 Rebel Commercial Packaged Rooftop Systems Heating and Cooling Models DPS003 015A R 410A Refrigerant MicroTech III Unit Control...

Страница 2: ...p Procedures 33 Service 34 Maintenance 34 Optional Hot Water Heat 43 Hot Water Heater Design 43 Optional Energy Recovery Wheel 44 Optional Outdoor Air Monitor 46 Thermal Dispersion Airflow Measurement...

Страница 3: ...number electrical characteristics and refrigerant charge Hazard Identification Information Rooftop unit control configuration Manual bulletin number BACnet IP Comm Module IM 916 BACnet Integration IM...

Страница 4: ...imum clearances around the unit and control panel Ventilation Clearance Below are minimum ventilation clearance recommendations The system designer must consider each application and provide adequate...

Страница 5: ...ing or twisting of the machine If building construction allows sound and vibration into the occupied space locate the unit over a non critical area It is the responsibility of the system designer to m...

Страница 6: ...b Detail A A 2 4 Nailer A A 2 0 Typ 14 0 or 24 0 4 0 3 9 28 55 Inside 9 69 Inside 28 69 Inside 44 38 Inside 57 5 Inside 19 1 9 5 Inside Supply Opening Return Opening Electrical Entrance 2 0 3 9 6 4 Ro...

Страница 7: ...4 Nailer A A 2 0 Typ 4 0 14 0 or 24 0 34 88 Inside 48 38 Inside 81 5 Inside 13 5 Inside 30 5 Inside Supply Opening Return Opening Electrical Entrance 24 25 2 0 3 4 6 9 8 8 Roof Curb for ERW B Cabinet...

Страница 8: ...Do not use a forklift to lift or maneuver the unit Failure to use a load rated crane or hoist assembly to lift or maneuver the unit can cause severe personal injury and property damage WARNING Use all...

Страница 9: ...onnel Figure 5 Condensate Drain Connection Damper Assemblies The optional damper assemblies described in this section are ordered with factory installed actuators and linkages The following sections d...

Страница 10: ...ow are pressure tap location and installation recommendations The installation must comply with local code requirements 1 Install a tee fitting with a leak tight removable cap in each tube near the se...

Страница 11: ...connecting the reference tap to the sensor results in unsatisfactory operation 6 Use an outdoor static pressure tip Dwyer A306 or equivalent to minimize the adverse effects of wind Place some type of...

Страница 12: ...r that is not always readably detectable A static potential can easily be generated on a person that reaches 25 kVolts If this potential is discharged into one of the unit s circuit boards it can degr...

Страница 13: ...who are familiar with working on live equipment A representative of the owner or the operator of the equipment should be present during start up to receive instructions in the operation care and adjus...

Страница 14: ...0 1 8 0 9 6 15 0 13 6 6 8 89 0 0 0 0 0 0 0 143 8 130 0 65 0 0 0 0 0 0 0 JT1G NA 1 2 0 1 8 0 9 7 5 11 9 10 8 5 4 68 0 8 6 7 8 3 9 143 8 130 0 65 0 67 5 73 7 37 1 JT1G JT71G 2 2 0 1 8 0 9 10 10 0 9 0 4...

Страница 15: ...there are some consistent characteristics All units a single circuit with a single or tandem compressor All units use an electronic expansion valve EVI and a start up by pass solenoid valve SVB Figur...

Страница 16: ...ronic expansion valve CV Check Valve REC Refrigerant Receiver IDF Indoor fan ODF Outdoor fan COMP1 Inverter compressor COMP2 Fixed speed compressor 7 1 2 thru 15 ton only SVR Bypass solenoid valve RHV...

Страница 17: ...igerant are required inside the system during Mechanical Cooling or defrost and Mechanical Heating This is the results of the charge in operating temperatures in Cooling and Heating Mode The receiver...

Страница 18: ...gure 15 Oil Separator Figure 16 Secondary Oil Separator Check Valve All Rebel Units will have check valves on each of the compressor discharge lines On large cabinet units 7 15 Tons two valves one on...

Страница 19: ...any possible debris from entering critical components expansion valves compressors etc These screens are not bi direction and must be installed in a specific direction if replaced Please be aware that...

Страница 20: ...ed for Standard during heating mode the EVI will modulate to fully open and remain in this position When configured for heating mode the EVI will modulate to maintain the Subcooling Set Point Figure 2...

Страница 21: ...crease compressor life by preventing it from running outside of the operating envelope Suction Refrigerant Temperature All Rebel units will have a Suction Refrigerant Temperature Sensor SRT This senso...

Страница 22: ...ill be unavailable and the supplemental heat will ramp stage up to meet the DAT set point Defrost Defrost is a temporary and infrequent period during normal heating operations on Rebel heat pumps The...

Страница 23: ...to be over cooled by the DX coil Hot gas from the unit condenser will be routed to an indoor coil downstream of the DX coil to reheat the air Hot gas reheat valves Figure 25 will control how much hot...

Страница 24: ...mediately transitions to Cooling if Dehumidification is initiated in Economizer state Dehumidification Termination Dehumidification is terminated if the selected variable Relative Humidity or Dew Poin...

Страница 25: ...Fan Only state no sensible cooling is required but dehumidification mode will still be enabled if the dew point or humidity sensor is not satisfied Reheat set point varies from a maximum value defaul...

Страница 26: ...Figure 27 Modulating Hot Gas Reheat Schematic IM 1125 6 REBEL ROOFTOPS 26 www DaikinApplied com Optional Modulating Hot Gas Reheat DOT ITB 21 8041 AC FPID 437300 3 7B 01...

Страница 27: ...ages Heat 1 Heat 2 Heat 3 Heat 4 kW MBh Delta T1 Min cfm kW MBh Delta T1 Min cfm kW MBh Delta T1 Min cfm kW MBh Delta T1 Min cfm 003 1200 2 6 20478 15 8 316 12 40956 31 6 632 18 61434 47 4 948 004 160...

Страница 28: ...apacities Figure 28 Gas Heat Section Figure 29 Field Gas Heat Connections Data Unit Size 003 006 007 015 Low Heat Med Heat High Heat Low Heat Med Heat High Heat Heating Input MBh 80 120 160 200 300 40...

Страница 29: ...its equipped with gas heating must not be operated in an atmosphere contaminated with chemicals which will corrode the unit such as halogenated hydrocarbons chlorine cleaning solvents refrigerants swi...

Страница 30: ...fan compartment between the furnace heat exchanger and the fan To access the switch the fan compartment door must be opened Be sure all power to the unit is disconnected before opening the fan compart...

Страница 31: ...30 245 500 760 1450 2300 4100 8300 50 56 115 215 440 670 1270 2000 3600 7400 60 50 105 195 400 610 1150 1850 3250 6800 70 46 96 180 370 560 1050 1700 3000 6200 80 53 90 170 350 530 990 1600 2800 5800...

Страница 32: ...rner output to match the unit discharge air temperature setting LP Conversion Staged Furnace Only Convert the furnace in this unit using the liquefied petroleum LP gas valve spring and burner nozzles...

Страница 33: ...ck the burner fan wheel for binding rubbing or loose setscrews 2 Check power 3 Purge the gas lines 4 Leak check Using a rich soap water mixture and a brush check the gas lines for leaks Correct all le...

Страница 34: ...enience Have this system inspected at regular intervals by a trained and experienced service technician The following service intervals are typical for average situations but will have to be adjusted...

Страница 35: ...ied control OK 1 Flash Combustion fan motor energized pressure switch open 2 Flashes Combustion fan motor off pressure switch closed 3 Flashes Ignition lockout from too many trials 4 Flashes Ignition...

Страница 36: ...Module for Modulating Gas Furnace Figure 37 Typical Modulating Gas Furnace Electrical Schematic with Sensor IM 1125 6 REBEL ROOFTOPS 36 www DaikinApplied com Optional Gas Heat DOT ITB 21 8041 AC FPID...

Страница 37: ...formation example Description C Furnace series or model name for example C cabinet series CAb 400 Furnace size in 1000 s of BTU for example 400 kBTU nAt or LP Burner fuel type for example natural gas...

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