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18-CD19D7-22

23

Installer’s Guide

NOTES

Summary of Contents for DD1A040A9241A Series

Page 1: ...rotation ALL phases of this installation must comply with NATIONAL STATE AND LOCAL CODES IMPORTANT This Document is customer property and is to remain with this unit Please return to service informati...

Page 2: ...g ignition input rate temperature rise and venting according to the manufacturer s instructions 10 This product must be piped by a Licensed Plumber or Gas Fitter in the Commonwealth of Massachusetts S...

Page 3: ...drops or ducts with equivalent lengths and sizes See Field Wiring Diagrams for Twinning on page 16 for proper hookup CAUTION To prevent shortening its service life the furnace should not be used as a...

Page 4: ...4 18 CD19D7 22 Installer s Guide From Dwg 21C341699 Rev 7 UD A 1A OUTLINE DRAWING ALL DIMENSIONS ARE IN INCHES...

Page 5: ...18 CD19D7 22 5 Installer s Guide From Dwg 21C341700 Sh 1 Rev 3 DD A 1A OUTLINE DRAWING ALL DIMENSIONS ARE IN INCHES...

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Page 7: ...FURNACE SHOWN Confined spaces are installations with less than 50 cu ft of space per 1000 BTU hr input from all equipment installed Air for combustion and ventilation requirements can be supplied fro...

Page 8: ...he furnace is located in a utility room adjacent to the living area the system should be carefully designed with returns which minimize noise transmission through the return air grille Although these...

Page 9: ...n Flexible duct connectors are recommended to connect both supply and return air ducts to the furnace If only the front of the furnace is accessible it is recommended that both supply and return air p...

Page 10: ...inserted into the bottom of the furnace The retaining screw pin on each side inserts into engagement holes at the bottom of the furnace cabinet side See Figures 13 14 16 NOTE Remove the bottom front...

Page 11: ...e side of the furnace Confirm that the upper retaining pin screw locks into the engagement hole in the blower deck and the lower pin screw rests against the side of the bottom panel See Figures 14 15...

Page 12: ...1 2 DO NOT CUT CUT ON LINE Airflow Airflow d TABLE 7 CABINET WIDTH FILTER SIZE FILTER BRACKET LOCATION 14 1 2 2 14X20X1 12 7 8 17 1 2 2 16X20X1 14 3 8 21 2 16X20X1 13 1 8 24 1 2 2 16X20X1 11 5 8 Locat...

Page 13: ...ercent NOTE If desired a side wall termination can be accom plished through the use of an add on draft inducer The inducer must be installed according to the inducer manufacturer s instructions Set th...

Page 14: ...before servicing the unit Failure to follow this warning could result in electrical shock personal injury or death D 2 4 X 7 g GAS VENT TERMINATION ROOF PITCH MINIMUM HEIGHT FLAT TO 7 12 OVER 7 12 TO...

Page 15: ...m As with all gas appliances using electrical power this furnace shall be connected into a permanently live electric circuit It is recommended that it be provided with a separate circuit protection de...

Page 16: ...3 Rev 2 TWIN TWIN R1 R1 TWINNING CONNECTION DIAGRAM FOR TWINNING 1 STAGE FURNACES WITH SINGLE WIRE TWINNING FEATURE 1 STAGE HEATING ONLY THERMOSTAT 1 STAGE HEAT ONLY THERMOSTAT WITH FAN SWITCH FURNACE...

Page 17: ...he gas valve for propane is 13 8 W C Mini mum pressure is 11 0 W C All gas fittings must be checked for leaks using a soapy solution before lighting the furnace DO NOT CHECK WITH AN OPEN FLAME The fol...

Page 18: ...em 2 Attach a manifold pressure gauge with flexible tubing to the outlet pressure boss marked OUT P on White Rodgers gas valve model 36G or 36J See Figure 28 for White Rodgers gas valve model 36J See...

Page 19: ...if orifice change is required Furnace input rate and temperature rise should be checked again after changing orifices to confirm the proper rate for the altitude Installations above 4 000 feet may req...

Page 20: ...ty of the unit it must be checked out on initial start up by the installer To check for proper operation of the limit switches set the thermostat to a temperature higher than the indicated temperature...

Page 21: ...ignition is not achieved it will lockout the furnace 3 POWER FAILURE If there is a power failure during a heating cycle the system will restart the ignition sequence automatically when power is resto...

Page 22: ...22 18 CD19D7 22 Installer s Guide NOTES...

Page 23: ...18 CD19D7 22 23 Installer s Guide NOTES...

Page 24: ...distributor P I 08 02 Since the manufacturer has a policy of continuous product and product data improvement it reserves the right to change design and specifications without notice Literature Order N...

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