Thermo Products CHX1-125N II. Furnace Specifications CHX1 Series Model no, Height of Casing

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All installations and services must be performed by qualified service personnel.

II. FURNACE SPECIFICATIONS

CHX1 SERIES

MODEL NO.

CHX1-75

CHX1-100

CHX1-125

BTU/HR INPUT (High fire/ Low fire)

75,000 / 52,000

100,000 / 70,000

125,000 / 87,500

BTU/HR OUTPUT (High fire/ Low fire)

70,875 / 49,612

94,500 / 66,150

117,500 / 82,250

 

 

 

 

HEIGHT OF CASING

44-1/4”

44-1/4”

44-1/4”

WIDTH OF CASING

17”

21”

24”

DEPTH OF CASING

27-1/2”

27-1/2”

27-1/2”

WARM AIR OUTLET

15 x 18

19 x 18

22 x 18

RETURN AIR INLET

25 x 16

25 x 16

25 x 16

 

 

 

 

DIA. OF FLUE

2”

3”

3”

DIA. OF COMBUSTION

2”

3”

3”

AIR INTAKE

 

 

 

 

 

 

 

CFM from .2” & .5” w.c.

COOLING

COOLING

COOLING

EXTERNAL STATIC PRESSURE

 

 

 

@COOLING TAP A

1000

1200

1400

@COOLING TAP B

800

1000

1200

@COOLING TAP C

1200

1400

1600

@COOLING TAP D

1400

1600

2000

 

 

 

 

 

HEATING

HEATING

HEATING

@HEATING TAP A (High fire/Low fire)

931 / 760

1243 / 1015

1556 / 1270

 

 

 

 

TEMPERATURE RISE

70 / 60

70 / 60

70 / 60

BLOWER MOTOR HP

.5

.75

1

 

 

 

 

POWER CHOKES

-

2.65 Mh

2.1 Mh

LARGEST RECOMMEDED

3.5 Ton

4 Ton

5 Ton

AIR CONDITIONER

 

 

 

SIZE OF FILTERS

24-3/4” x 15-3/4”

24-3/4” x 15-3/4”

24-3/4” x 19-3/4”

NOTES:

 

 

 

1.BTU output based on annual fuel utilization efficiency rated by manufacturer.

2.On all outlet and inlet dimensions, the first dimension is width.

3.To permit largest recommended air conditioning (at .5 static pressure), selection of the highest motor speed is required.

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Contents MG-1010 TWO Stage Condensing GAS FurnaceSafety Information Page Iii Page Index Section Beginning Width of Casing Depth of Casing II. Furnace Specifications CHX1 Series Model noTemperature Rise Blower Motor HP Power Chokes Height of Casing@HEATING TAP C High fire / Low fire CDX1 Series Model noCDX1-75 CDX1-100 CDX1-125 BTU/HR Input High fire / Low fire BTU/HR Output High fire / Low fire#S00S4378 Installation Parts Packages CHX1-75 Description Quantity#S00S4379 #S00S4380 Installation Parts Packages CDX1-75 Description Quantity#S00S4381 Codes and Clearances III. General InstallationCHX1-75 CHX1-100 CHX1-125 CDX1-75 CDX1-100 CDX1-125 B1. CDX1 Horizontal Application Furnace LocationPage General Requirements for Venting CHX1/CDX1 Replacing AN Existing Furnace from a Common VentMaximum Vent Length Sidewall Venting Vent Terminal Location Requirements E1. Single Pipe Sidewall Venting Option Vent Terminal Location GuidelinesOptional Terminations Installation of Outside VENT/AIR Intake TerminationsPage Page Connecting the Exhaust Vent to the Inducer Page Connecting the Combustion AIR Inlet Connecting the Furnace to Roof VENT/AIR Terminations Trap Assembly Mounted on CDX1 Trap Assembly Mounted on CHX1Page General GAS Piping Filters CHX1 Models Highboys CDX1 Models Counterflows AIR Velocity Furnace Model WiringUSE of NON-THERMO Pride Filter Retention Means RateThermostat Connections and Anticipator Setting Electronic AIR Cleaner EAC and Humidifier InstallationBlower and Control Panel Wiring CHX1-75 Settings Low fire High fire CDX1-75Field Wiring and Replacing Wiring CFMContacts Close Retry will be Made If System is in Lockout Operating Instructions Initial Start UPGas flowrate by clocking gas meter Exploded View of CDX/CHX Gas Control System BTU Pressure in. W.G CHX Low CDX LowCHX Low CDX Low Model Series Normal ManifoldChecking The Burner Flame Sketch of Typical Main Burner Flames During Operation Checkout ProcedureConverting GAS Flow Rate Installers Instructions to User Furnace Checkout ProcedureVI. Troubleshooting Diagnostic Features Terminals IND HI to IND N or IND LO to Is the High Limit Page 50V61-143 Control AIR Blower Turn OFF Replacement parts list for CHX1-75, CHX1-100 and CHX1-125 Page Replacement parts list for CDX1-75, CDX1-100 and CDX1-125 Page Appendix B Wiring Diagrams
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CDX1-100N, CDX1-125N, CHX1-100N, CHX1-75N, CHX1-125N specifications

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