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These furnaces comply with requirements embodied
in the American National Standard/National
Standard of Canada ANSI Z21.47•CSA-2.3 Gas
Fired Central Furnaces.
As a professional installer you have an obligation to know
the product better than the customer. This includes all
safety precautions and related items.
Prior to actual installation, thoroughly familiarize yourself
with this Instruction Manual. Pay special attention to all
safety warnings. Often during installation or repair it is
possible to place yourself in a position which is more
hazardous than when the unit is in operation.
Remember, it is your responsibility to install the product
safely and to know it well enough to be able to instruct a
customer in its safe use.
Safety is a matter of common sense...a matter of thinking
before acting. Most dealers have a list of specific good
safety practices...follow them.
The precautions listed in this Installation Manual are
intended as supplemental to existing practices. However, if
there is a direct conflict between existing practices and the
content of this manual, the precautions listed here take
precedence.
Our continuing commitment to quality products may mean a change in specifications without notice.
©2016 - 2022
IOD-2011U
02/2022
DM96VE & DC96VE Two-Stage Gas Furnaces
(Type FSP CATEGORY IV Direct
or Non Direct Vent Air Furnace)
(Type FSP CATÉGORIE IV Direct
ou four á air soufflé non direct)
Installer:
Affix all manuals
adjacent to the unit.
19001 Kermier Rd. Waller, Tx 77484
*NOTE: Please contact your distributor or our
website for the applicable Specification Sheet
referred to in this manual.
Only personnel that have been trained to install, adjust,
service or repair(hereinafter, "service") the equipment
specified in this manual should service the equipment.
The manufacturer will not be responsible for any injury
or property damage arising from improper service or
service procedures. If you service this unit, you assume
responsibility for any injury or property damage which
may result. In addition, in jurisdictions that require one
or more licenses to service the equipment specified in
this manual, only licensed personnel should service the
equipment. Improper installation, adjustment, servicing
or repair of the equipment specified in this manual,
or attempting to install, adjust, service or repair the
equipment specified in this manual without proper training
may result in product damage, property damage, personal
injury or death.
Do not bypass safety devices.
www.daikincomfort.com
INSTALLATION INSTRUCTIONS
RECOGNIZE THIS SYMBOL AS
A SAFETY PRECAUTION.
WARNING
WARNING
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Summary of Contents for Daikin DM96VE0303AN
- Page 1 INSTALLATION INSTRUCTIONS DM96VE & DC96VE Two-Stage Gas Furnaces (Type FSP CATEGORY IV Direct or Non Direct Vent Air Furnace) (Type FSP CATÉGORIE IV Direct ou four á air soufflé non direct) RECOGNIZE THIS SYMBOL AS These furnaces comply with requirements embodied A SAFETY PRECAUTION.
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Page 2: Table Of Contents
TABLE OF CONTENTS Never test for gas leaks with an open flame. Use a commercially available soap solution made specifically for the detection of leaks to check all connections, as specified Safety Considerations ..........2 in GAS SUPPLY AND PIPING section of this manual. Product Description .............4 Product Application ............5 Always install a furnace to operate within the furnace’s... -
Page 3: Shipping Inspection
Drain trap must be primed at time of installation. Trap is CAUTION internally partitioned; add water to both inlet ports until water appears at both sides of the outlet opening. Failure to prime trap at time of installation may have a negative FROZEN AND BURST WATER PIPE HAZARD Failure to protect against the risk of freezing may result in effect on combustion quality and pressure switch action. -
Page 4: Product Description
CARBON MONOXIDE POISONING HAZARD RIESGO DE INTOXICACIÓN POR MONÓXIDO DE CARBONO RISQUE D'EMPOISONNEMENT AU MONOXYDE DE CARBONE Special Warning for Installa on of Furnace or Air Handling Units in A dvertencia especial para la instalación de calentadores ó manejadoras Advertencia especial para la instalación de calentadores ó manejadoras de aire en áreas cerradas como estacionamientos ó... -
Page 5: Product Application
PRODUCT APPLICATION • A return air temperature range between 60ºF (16ºC) and 80ºF (27ºC) is maintained. • MERV 11 pleated minimum 4.0” thick (Example P/N This furnace is primarily designed for residential home- AMP-11-2025-45) air filter(s) are installed in the heating applications. -
Page 6: Location Requirements & Considerations
The rated heating capacity of the furnace should be greater • Ensure adequate combustion air is available for the than or equal to the total heat loss of the area to be heated. furnace. Improper or insufficient combustion air can The total heat loss should be calculated by an approved expose building occupants to gas combustion method or in accordance with “ASHRAE Guide”... - Page 7 For upflow applications, the front of the coil and furnace Installations must adhere to the clearances to combustible must face the same direction. materials to which this furnace has been design certified. • If the furnace is installed in a residential garage, The minimum clearance information for this furnace is position the furnace so that the burners and ignition provided on the unit’s clearance label.
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Page 8: Thermostat Location
A furnace installed in a confined space (i.e., a closet or House depressurization can cause back drafting or utility room) must have two ventilation openings with a total improper combustion of gas-fired appliances, thereby minimum free area of 0.25 square inches per 1,000 BTU/hr exposing building occupants to gas combustion products of furnace input rating. -
Page 9: Horizontal Applications & Considerations
WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow the steps outlined below for each appliance connected to the venting system being placed into operation could result in carbon monoxide poisoning or death. The following steps shall be followed with each appliance connected to the venting system placed in operation, while any other appliances connected to the venting system are not in operation:... -
Page 10: Front Cover Pressure Switch Tube Location
AVERTISSEMENT RISQUE D’INTOXICATION AU MONOXYDE DE CARBONE Si les étapes décrites ci-dessous ne sont pas suivies pour chacun des appareils raccordés au système de ventilation au moment de sa mise en marche, cela peut entraîner une intoxication au monoxyde de carbone ou la mort. Les étapes suivantes doivent être suivies pour chacun des appareils raccordés au système de ventilation au moment de sa mise en marche, alors que tous les autres appareils... -
Page 11: Freeze Protection
PVC as described later in this *supports both Honeywell and White-Rodgers 2-stage valves (1) FOR USE WITH ALL MODELS EXCEPT DM96VE0302BN AND DM96VE0303AN section. Never common vent this appliance with another (2) FOR USE WITH ONLY DM96VE0302BN MODEL appliance or use a vent which is used by a solid fuel appliance. -
Page 12: Dual Certification: Non-Direct/Direct Vent
It is the responsibility of the installer to follow the Canada, must be CSA listed. The solvent cement for the manufacturers’ recommendations and to verify that all vent/ PVC to ABS transition joint must meet ASTM D3138. flue piping and connectors are compatible with furnace flue Fittings must be DWV type fittings meeting ASTM D2661 products. -
Page 13: Termination Locations
NOTE: Refer to Location Requirements and Considerations for combustion air contaminant restrictions. NO TRANSITION ON The following bullets and diagram describe the restrictions HORIZONTAL PLANE, THIS CREATES A concerning the appropriate location of vent/flue pipe and WATER TRAP AND combustion air intake pipe (when applicable) terminations. RESTRICTS FLUE Refer to Non-Direct Vent (Single Pipe) Piping and Direct GASES... -
Page 14: Standard Furnace Connections
IPEX System 636, use PVC/CPVC Primer, Purple or clear. Use PVC Solvent Cement (Gray). For Canadian installations, ABS may be used as a combustion air pipe only. ABS is not an approved vent material in Canada. If ABS is used as a combustion air pipe, it must be CSA certified. -
Page 15: Non-Direct Vent Installations
6. Install screws removed in step 1 securing flange to Exhaust cabinet. Combustion Air Insert flange. Cut 2 ½” long. R 000142 Figure 8B VENT-DRAIN Figure 9 DM96VE & DC96VE Direct Vent (2-Pipe) and Non- Direct Vent (1-Pipe) 1. Maximum allowable limits listed on individual lengths for inlet and flue and NOT a combination. - Page 16 Non-direct vent installations require only a vent/flue pipe. (in.) The vent pipe can be run horizontally with an exit through DM96VE0303AN & the side of the building or run vertically with an exit through DM96VE0403AN the roof of the building. The vent can also be run through DM96VE0603AN an existing unused chimney;...
- Page 17 Vent Termination for specific details on termination construction. For details concerning connection of pipes to the furnace, refer to the Vent/Flue Pipe and Combustion Pipe - Standard Furnace Connections or Alternate Furnace Connections. The number of elbows tabulated represents the number of ELBOWS STRAIGHT elbows and/or tees in each (Vent/Flue &...
- Page 18 10”- 24” 90° ELBOWS 6” MAX 4” MIN 3” - 24” 12" MIN. TO GRADE OR HIGHEST ANTICIPATED 12" MIN. ABOVE SNOW LEVEL HIGHEST ANTICIPATED SNOW LEVEL Standard Horizontal Terminations (Dual Pipe) Figure 15 Alternate Horizontal Vent Termination (Dual Pipe) Figure 16...
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Page 19: Vent/Intake Terminations For Installation Of Multiple Direct Vent Furnaces
Vent & Combustion Air Intake Measurements for Standard Horizontal Terminations (Dual Pipe) Center to center = 10” min / 24” max. Vertical separation: H oriz ontal Ins tallation 0” - 24” Vent termination from wall = 8” min / 12” max. Combustion air intake from wall = 6”... -
Page 20: Field Supplied Drain
Field Supplied Drain Drain the furnace and air conditioning coil if applicable, in WARNING compliance with code requirements. In horizontal installations, a field installed rubber coupling will allow the High Voltage! drain trap to be removed for cleaning. The drain trap must To avoid the risk of injury, electrical shock or death, the furnace must be electrically grounded be primed before initial furnace start up. -
Page 21: Drain Exiting Left Side
“B” width cabinet. elbow with a red clamp. 6. Remove the rubber plug from vent – drain elbow side 6. For models DM96VE0303AN, DM96VE0403AN and port. Place hose #6 on the vent – drain elbow side DM96VE0603AN; locate the hose #2 (factory port and secure with a silver clamp. -
Page 22: Counterflow Model Installed Vertically
8. Locate hose #5 and cut 3” from the non-grommet end. 7. Locate hose #6. Using red clamps, connect between Discard the section without the grommet. the coupling and 100 degree elbow, cutting off excess 9. Insert the cut end of tube #5 through the lower cabinet tubing. - Page 23 Hose #4 x 3 Hose #5 Figure 26 Figure 27 Drain Exiting Right Side (See Figure 27) 1. Remove hose clamps and hoses from trap. Counterflow Model Installed Horizontally with 2. Remove trap and factory installed drain tube Right Side Down (See Figure 28) assemblies.
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Page 24: Electrical Connections
10. Insert a ½” diameter PVC pipe (factory installed) into hose #4 and secure with a gold clamp. 11. Insert the non-grommet end of hose #5 (factory installed) from outside the cabinet in the back drain hole. 12. Insert 100º elbow in hose #5 and secure with a red clamp. -
Page 25: Junction Box Relocation
Junction Box Relocation WARNING WARNING High Voltage! Edges of sheet metal holes may be sharp. Use gloves as a To avoid personal injury or death due to electrical precaution when removing hole plugs. shock, disconnect electrical power before servicing or changing any electrical wiring. WARNING CAUTION To prevent personal injury or death due to electric shock,... - Page 26 24 Volt Thermostat Wiring Single-Stage Heating Thermostat Application A single-stage thermostat with only one heating stage may IMPORTANT NOTE be used to control this furnace. The application of a single- Wire routing must not interfere with circulator blower stage thermostat offers a timed transition from low to high operation, filter removal or routine maintenance.
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Page 27: 115 Volt Line Connection Of Accessories (Humidifier And Electronic Air Cleaner)
Room Furnace 2 Furnace 1 Thermostat WARNING High Voltage! To avoid personal injury or death due to electrical shock, disconnect electrical power before servicing or changing any electrical wiring. 115 Volt Line Connection of Accessories (Humidifier and Electronic Air Cleaner) The furnace integrated control module is equipped with line voltage accessory terminals for controlling power to an optional field-supplied humidifier and/or electronic air... -
Page 28: High Altitude Derate
High Altitude Derate NOTE: If converting to LP gas, it is recommended When this furnace is installed at high altitude, the that an LPLP0* kit also be installed. The use of appropriate High Altitude orifice kit must be applied. This is this kit will prevent the furnace from firing when the LP gas supply pressure is too low to support required due to the natural reduction in the density of both... -
Page 29: Gas Connections
• Use black iron or steel pipe and fittings for building A semi-rigid connector to the gas piping can be used piping. Where possible, use new pipe that is properly outside the cabinet per local codes. From the elbow, the chamfered, reamed, and free of burrs and chips. -
Page 30: Circulating Air & Filters
CIRCULATING AIR & FILTERS Propane Gas Tanks and Piping WARNING Duct work - Air Flow Duct systems and register sizes must be properly designed If the gas furnace is installed in a basement, an excavated for the CFM and external static pressure rating of the area or confined space, it is strongly recommended to furnace. - Page 31 Example: cut the sheet metal along the scribe lines to free the duct static reading from return duct = -.1” w.c. flanges. Using the scribe line along the duct flange as a static reading from supply duct = .3” w.c. guide, unfold the duct flanges around the perimeter of the total external static pressure on this system = .4”...
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Page 32: Upright Installations
Model Minimum Recommended Filter Size^ requested filter. Consider installing an air cleaner with DM96VE0303AN* 1 - 16 X 25 Side or 1 - 14 X 25 Bottom deep-pleated media filter at the time of furnace installation. A deep-pleated filter with a MERV rating of 8 (minimum) -
Page 33: Horizontal Installations
Horizontal Installations Furnace Startup Filters must be installed in either the central return register 1. Close the manual gas shutoff valve external to the or in the return air duct work. furnace. 2. Turn off the electrical power to the furnace. AIR FLOW 3. -
Page 34: Gas Manifold Pressure Measurement And Adjustment
2. Connect a calibrated manometer (or appropriate gas 7. Measure the gas manifold pressure with burners pressure gauge) at either the gas valve inlet pressure firing. Adjust manifold pressure using the Manifold Gas Pressure table shown below. tap or the gas piping drip leg. See White-Rodgers 36J54 gas valve figure for location of inlet pressure tap. -
Page 35: Gas Input Rate Measurement (Natural Gas Only)
The actual gas input rate to the furnace must never be greater than that specified on the unit rating plate. High Fire Regulator To measure natural gas input using the gas meter, use the Adjust following procedure: Regulator Vent 1. Turn OFF the gas supply to all other gas-burning appliances except the furnace. -
Page 36: Circulator Blower Speeds
3. Subtract the return air temperature from the supply air 3. There are 5 speeds available, depending on DIP temperature to determine the air temperature rise. switch settings and found in air flow table for each Allow adequate time for thermometer readings to size furnace. -
Page 37: Dip Switch Settings
DIP SWITCH SETTINGS PCBBF139 Control Board Dip Switches Dip Switch Switch Purpose Function Group 2 Stage Stat Cooling Thermostat 1 Stg Stat 10 min delay Setup 1 Stg Stat 20 min delay Auto OFF* Switches Heating Fan Off Delay OFF* * FACTORY Heating SETTING... - Page 38 DIP SWITCH SETTINGS PCBBF139 DC96VE0403BN - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL CFM OFF OFF OFF* 1229 1181 1150 1117 1078 1035 1002 1137 1096 1056 1018 ON OFF OFF 1137 1096 1056 1018 ON ON OFF 1229 1181 1150...
- Page 39 DIP SWITCH SETTINGS PCBBF139 DC96VE0603BN - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL CFM 1167 1122 1074 1029 OFF OFF OFF* 1252 1206 1164 1118 1077 1034 ON OFF OFF 1167 1122 1074 1029 ON ON OFF 1252 1206 1164...
- Page 40 DIP SWITCH SETTINGS PCBBF139 DC96VE0803BN - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL CFM OFF OFF OFF* 1130 1085 1040 ON OFF OFF ON ON OFF 1130 1085 1040 OFF ON OFF 1221 1176 1136 1094 1050 1013 OFF OFF ON 1323...
- Page 41 DIP SWITCH SETTINGS PCBBF139 DC96VE1005CN - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL CFM 1637 1577 1528 1467 1410 1369 1307 1256 OFF OFF OFF* 2069 2009 1978 1932 1923 1876 1834 1773 1477 1422 1364 1301 1244 1190 1135...
- Page 42 OFF OFF ON^ OFF ON ON^ ON OFF ON 1070 1040 1005 ON ON ON^ PCBBF139 DM96VE0303AN - CONTINOUS FAN DIP Switches STATIC S2-2 S2-3 S2-4 T STAT CALL CFM OFF OFF OFF ON OFF OFF ON ON OFF OFF ON OFF...
- Page 43 DIP SWITCH SETTINGS PCBBF139 DM96VE0403AN - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL OFF OFF OFF* 1191 1168 1135 1112 1081 1055 1024 ON OFF OFF ON ON OFF 1191 1168 1135 1112 1081 1055 1024 OFF ON OFF^ OFF OFF ON 1070 1040...
- Page 44 DIP SWITCH SETTINGS PCBBF139 DM96VE0603AN - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL CFM OFF OFF OFF* 1056 1026 ON OFF OFF ON ON OFF 1056 1026 OFF ON OFF^ 1254 1230 1199 1171 1139 1115 1086 1053 OFF OFF ON 1330...
- Page 45 DIP SWITCH SETTINGS PCBBF139 DM96VE0603BN - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL CFM 1332 1291 1252 1218 1173 1134 1088 1049 OFF OFF OFF* 1240 1194 1153 1104 1069 1019 ON OFF OFF 1332 1291 1252 1218 1173 1134...
- Page 46 DIP SWITCH SETTINGS PCBBF139 DM96VE0803BN - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL CFM OFF OFF OFF* 1226 1177 1133 1091 1052 1008 ON OFF OFF ON ON OFF 1226 1177 1133 1091 1052 1008 OFF ON OFF 1123 1078 1035...
- Page 47 DIP SWITCH SETTINGS PCBBF139 DM96VE804CN - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL CFM 1185 1121 1058 OFF OFF OFF* 1727 1691 1642 1600 1545 1504 1449 1410 1408 1337 1279 1218 1167 1112 1062 ON OFF OFF^ 1185 1121 1058...
- Page 48 DIP SWITCH SETTINGS PCBBF139 DM96VE1004CN - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL CFM 1312 1235 1170 1101 1037 OFF OFF OFF* 1772 1713 1662 1609 1540 1498 1452 1399 1004 ON OFF OFF^ 1312 1235 1170 1101 1037 1004...
- Page 49 DIP SWITCH SETTINGS PCBBF139 DM96VE1005CN - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL CFM 1384 1324 1271 1204 1145 1088 1029 OFF OFF OFF* 2008 1963 1944 1916 1876 1839 1801 1759 1438 1366 1309 1254 1163 1133 1077 1013...
- Page 50 DIP SWITCH SETTINGS PCBBF139 DM96VE1205DN - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL 1399 1327 1259 1185 1119 1051 OFF OFF OFF* 1683 1628 1565 1511 1445 1387 1340 1276 1106 1017 ON OFF OFF^ 1399 1327 1259 1185 1119...
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Page 51: Normal Sequence Of Operation
NORMAL SEQUENCE OF OPERATION 2nd Stage Satisfied, First Stage Still Calling: • When the second stage of the thermostat is satisfied, the inducer blower is reduced to low speed which Power Up de-energizes the second stage of the gas valve. •... -
Page 52: Rollout Limit
Operational Checks Pressure Switches The burner flames should be inspected with the burner The pressure switches are normally-open (closed during compartment door installed. Flames should be stable, operation) negative air pressure-activated switches. They quiet, soft, and blue (dust may cause orange tips but they monitor the airflow (combustion air and flue products) must not be yellow). -
Page 53: Diagnostic Chart
Internal Lockout A failure internal to the control board. FAULT RECALL Flame Current Solder Pads Retrieving Fault Codes To retrieve fault codes, push and release the “LAST ERROR” button for more than 1/5 second and less than 5 seconds (the LED will indicate this period by solid GREEN for 1/5 second to 5 seconds). -
Page 54: Annual Inspection
MAINTENANCE WARNING WARNING To avoid electrical shock, injury or death, disconnect electrical power before performing any maintenance. If you must handle the igniter, High Voltage! handle with care. Touching the igniter element To avoid personal injury or death due to electrical with bare fingers, rough handling or vibration shock, disconnect electrical power BEFORE could damage the igniter resulting in premature... -
Page 55: Horizontal Unit Filter Removal
Filter Removal Induced Draft and Circulator Blowers Depending on the installation, differing filter arrangements The bearings in the induced draft blower and circulator can be applied. Filters can be installed in either the central blower motors are permanently lubricated by the return register or a side panel external filter rack (upflow manufacturer. -
Page 56: Troubleshooting Chart
TROUBLESHOOTING CHART Green Amber Symptoms Fault Description Check Cautions LED Code LED Code LED Code •Defective disconnect switch •Determine cause and restore •Confirm electrically safe •Furnace fails to operate •defective door switch • No •None •None •None proper high and low volt power condition before •Control board LED is off 115 volt power •No 24 volt... - Page 57 TROUBLESHOOTING CHART Green Amber Symptoms Fault Description Check Cautions LED Code LED Code LED Code •Temperature rise, duct static, •Furnace does not •Four •Open limit circuit, main •Confirm electrically safe gas pressure, burner alignment, operate, four Red •None •None repeating limit, aux limit, or roll out condition before orifice plate position, wiring to...
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Page 58: Wiring Diagrams
WIRING DIAGRAM WARNING:DISCONNECT POWER BEFORE SERVICING. WIRING TO UNIT MUST BE PROPERLY POLARIZED AND GROUNDED. ECM MTR HARNESS CIRCULATOR BLOWER EQUIPMENT GND FIELD GND FIELD SPLICE SWITCH (TEMP.) IGNITER SWITCH (PRESS.) OVERCURRENT PROT. DEVICE JUNCTION TERMINAL INTERNAL TO INTEGRATED CONTROL PLUG CONNECTION LOW VOLTAGE (24V) LOW VOLTAGE FIELD... -
Page 59: Special Instructions For Products Installed In The State Of Massachusetts
Special Instructions for Products Installed in the State of Massachusetts For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in VENT/FLUE whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than seven (7) feet above finished grade in the area of the venting, including but not limited to decks and porches, the... -
Page 60: Start-Up Checklist
START-UP CHECKLIST Furnace Model Number Serial Number ELECTRICAL Line Voltage (Measure L1 to N and N to Ground Voltage) L - N N - G Secondary Voltage (Measure Transformer Output Voltage) R - C Blower Amps BLOWER EXTERNAL STATIC PRESSURE Return Air Static Pressure IN. - Page 61 THIS PAGE IS INTENTIONALLY LEFT BLANK...
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Page 64: Customer Feedback
CUSTOMER FEEDBACK Daikin is very interested in all product comments. Please fill out the feedback form on the following link: https://daikincomfort.com/contact-us You can also scan the QR code on the right to be directed to the feedback page. PRODUCT REGISTRATION Thank you for your recent purchase.
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