Table of Contents
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TECHNICAL
TECHNICAL
GUIDE
GUIDE
95.0% AFUE STANDARD PSC SINGLE
STAGE MULTI-POSITION RESIDENTIAL
GAS FURNACES
MODELS: RGF19*P
NATURAL GAS
40 - 130 MBH INPUT
Due to continuous product improvement, specifications
are subject to change without notice.
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WARRANTY SUMMARY
A 20-year limited warranty on heat exchangers in residen-
tial applications.
A 10-year warranty on the heat exchanger in commercial
applications.
Standard 5-year limited Parts warranty.
Extended lifetime heat exchanger and 10-year limited
parts warranty when product is registered online
within 90 days of purchase for replacement or closing
for new home construction.
See Limited Warranty certificate in Users Information Manual for details.
FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE
DESCRIPTION
These compact units employ induced combustion, reliable hot
surface ignition and high heat transfer aluminized tubular heat
exchangers. The units are factory shipped for installation in
upflow or horizontal applications and may be converted for
downflow applications.
These furnaces are designed for residential installation in a
basement, closet, alcove, attic, recreation room or garage and
are also ideal for commercial applications. All units are factory
assembled, wired and tested to assure safe dependable and
economical installation and operation.
These units are Category IV, National Fuel Gas Code and may
be vented either through side wall or roof applications using
approved plastic combustion air and vent piping. Approved
plastic combustion air and vent piping include Selkirk Polyflue,
Duravent Polypro, & Centrotherm Innoflue polypropylene vent-
ing systems.
FEATURES
•
Easily applied in upflow, horizontal left or right, or downflow
installation with minimal conversion necessary.
•
Compact, easy to install, ideal height 33" tall cabinet.
•
Blower-off delay for cooling SEER improvement.
•
Easy access to controls to connect power/control wiring.
•
Built-in, high level self diagnostics with fault code displays
standard on integrated control module for reliable opera-
tion.
•
Low unit amp requirement for easy replacement applica-
tion.
•
Single wire twinning or staging feature available.
•
All models are convertible to use propane (LP) gas.
•
Electronic Hot Surface Ignition saves fuel cost with
increased dependability and reliability.
•
100% shut off main gas valve for extra safety.
•
4 speed, direct drive PSC motor.
•
24V, 40 VA control transformer and blower relay supplied
for add-on cooling.
•
Hi-tech tubular aluminized steel primary heat exchanger.
•
Secondary heat exchanger made of corrosion resistant
stainless steel materials.
•
Timed on, adjustable off blower capability for maximum
comfort.
•
Blower door safety switch.
•
Solid removable bottom panel allows easy conversion.
•
Airflow leakage less than 1% of nominal airflow at duct per-
formance testing conditions.
•
No knockouts to deal with, making installation easier.
•
Movable duct connector flanges for application flexibility.
•
Quiet inducer operation.
•
Inducer rotates for easy conversion of venting options.
•
Fully supported blower assembly for easy access and
removal of blower.
•
External air filters used for maximum flexibility in meeting
customers IAQ needs.
•
Protection included from air intake, exhaust vent, or con-
densate blockage.
•
No special vent termination required.
•
1/4 turn knobs provided for easy door removal.
•
Internal condensate trap design (patent pending) provides
condensate management options and is self-priming to
prevent nuisance problems.
•
Venting applications - may be installed as either 2-pipe
(sealed combustion) or single-pipe vent (using indoor com-
bustion air).
810762-UTG-E-1016
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Table of Contents
Summary of Contents for Master RGF19 Series P
- Page 1 810762-UTG-E-1016 TECHNICAL TECHNICAL DESCRIPTION These compact units employ induced combustion, reliable hot surface ignition and high heat transfer aluminized tubular heat GUIDE GUIDE exchangers. The units are factory shipped for installation in upflow or horizontal applications and may be converted for downflow applications.
- Page 2 810762-UTG-E-1016 RIGHT SIDE LEFT SIDE FRONT Combustion Air Inlet Combustion Air Inlet Condensate Drain Gas Pipe Gas Pipe Condensate Drain (Downflow) Entry Entry (Downflow) Vent Outlet Electrical Electrical Entry Entry Vent Outlet Condensate Drain Condensate 23” Drain Thermostat Wiring Thermostat Optional Return Air Wiring 14”...
- Page 3 810762-UTG-E-1016 FILTER PERFORMANCE RECOMMENDED FILTER SIZES (HIGH VELOCITY 600 FPM) The airflow capacity data published in the “Blower Perfor- mance” tables shown represents blower performance WITH- 2000 (2) 16 x 25 22 x 25 OUT filters. 1. Air velocity through throwaway type filters may not exceed 300 feet per min- All applications of these furnaces require the use of field ute (91.4 m/min).
- Page 4 810762-UTG-E-1016 ACCESSORIES Bottom Return Filter Racks - The S1-1BR05* series are gal- vanized steel filter racks. The S1-1BR06* series are pre-painted Propane (LP) Conversion Kit - This accessory conversion kit steel filter racks to match the appearance of the furnace cabi- may be used to convert natural gas units for LP operation.
- Page 5 810762-UTG-E-1016 BLOWER PERFORMANCE CFM - ANY POSITION (WITHOUT FILTER) - BOTTOM RETURN Bottom Airflow Data (SCFM) Models Speed Ext. Static Pressure (in. H2O) High 1128 1077 1035 Medium High RGF19040AP08MP11 Medium Low High 1492 1442 1378 1325 1243 1176 1075 Medium High 1236 1201...
- Page 6 BLOWER PERFORMANCE CFM - ANY POSITION (WITHOUT FILTER) - LEFT SIDE RETURN Left Side Airflow Data (SCFM) Models Speed Ext. Static Pressure (in. H2O) High 1131 1091 1053 1003 Medium High RGF19040AP08MP11 Medium Low High 1470 1406 1361 1309 1241 1155 1060 Medium High...
Need help?
Do you have a question about the RGF19 Series P and is the answer not in the manual?
Questions and answers
furnace will not ignite unite turns on but no flame
The Master RGF19 Series P furnace may not ignite even though it turns on due to several possible reasons:
1. High Altitude Pressure Switch – If the furnace is installed at a high altitude, it may require a high-altitude pressure switch to function correctly.
2. Combustible Floor Base Kit – If the furnace is installed in a downflow configuration on a combustible floor without the required base kit, it could cause overheating issues that prevent ignition.
3. Vent Termination Issues – If the concentric or sidewall vent termination is not properly installed, combustion air may not enter correctly, preventing ignition.
4. Condensate Drain Blockage – The furnace has an internal condensate trap, and if it is blocked, it may cause ignition failures.
5. Gas Burner Issues – If the existing burner is damaged or not suitable for the gas type (NAT gas requires a stainless steel burner kit), ignition may fail.
6. Electrical Issues – If the thermostat wiring or electrical connections are incorrect, the ignition sequence may not complete.
Checking these factors may help diagnose and resolve the ignition issue.
This answer is automatically generated
@eddie the purple wire connects to the flame igniter, take the purple wire off and the igniter out it looks like a metal rod clean it with a wire brush good, it’s next to the other two white wire for the flame if you can’t find it in the flame blower compartment. Try that and if rhat doesn’t work take the whole flame blower assembly out and scrub that. Or your jot getting gas to the flame sensor or the pressure switch is bad. Good luck!
control board is blinking red once every couple seconds