York D2NA060 - Manuals - manualsarea.com

Page 2 - TABLE OF CONTENTS

035-18265-001-A-0202 2 Unitary Products Group TABLE OF CONTENTS TROUBLESHOOTING Troubleshooting Chart ..................................................... 15 TABLES No. Description Page 1 Units Application Data ................................. 3 2 Natural Gas Application Data ........................

Page 3 - INSTALLATION

Not suitable for use with conventional venting systems. LIMITATIONS These units must be installed in accordance with the followingnational and local safety codes. 1. National Electrical Code ANSI/NFPS No. 70 or Canadian Electrical Code Part 1, C22.1 (latest editions). 2. National Fuel Gas Code Z223....

Page 5 - NOTE: There may be a local gas utility requirement specifying; GAS CONNECTION; TABLE 2 - NATURAL GAS APPLICATION DATA; TABLE 4 - NATURAL GAS PIPE SIZING CHART

Scroll compressors operate in one direction only. If a threephase scroll compressor is experiencing: • Low amperage draw • Similar discharge and suction pressures • Increased noise level then the compressor is operating in reverse. To correct thiscondition, switch any two (2) line voltage leads at t...

Page 6 - FLUE VENT HOOD; V E N T O U T L E T S C R E E N; TABLE 6 - PHYSICAL DATA; WARNING: FLUE HOOD SURFACES; CAUTION

3. Use wrought iron or steel pipe for all gas lines. Pipe dope should be applied sparingly to male threads only. CAUTION: If flexible stainless steel tubing is allowed by the authority having jurisdiction, wrought iron or steelpipe must be installed at the gas valve and extend aminimum of two (2) in...

Page 9 - SEQUENCE OF OPERATION; OPERATING INSTRUCTIONS

HEATING When the thermostat calls for “HEAT”, the thermostat terminal“W” is energized, energizing the combustion air blower. After airflow is established, the air proving switch closes, thehot surface ignitor is energized and the pilot valve opens ignit-ing the pilot flame. The system will try to li...

Page 10 - MANIFOLD GAS PRESSURE ADJUSTMENT; NOTE: The correct manifold pressure for natural gas furnaces; BURNER INSTRUCTIONS; FIG. 8 - IGNITOR AND FLAME SENSOR ASSEMBLY

2. Check for correct manifold gas pressures. See “Checking Gas Input”. 3. Check the supply gas pressure. It must be within the limits shown on rating nameplate. Supply pressure should bechecked with all gas appliances in the building at full fire. Atno time should the standby gas line pressure excee...

Page 11 - NOTE: To find the BTU input, multiply the number of cubic feet of; SECURE OWNER'S APPROVAL

3. After maintenance of the pilot assembly, always measure the resistance across the ignitor. If the resistance is greaterthan 10 ohms, discard the ignitor and replace it with a newignitor. ADJUSTMENT OF TEMPERATURE RISE The temperature rise (or temperature difference between thereturn air and the h...

Page 12 - NORMAL MAINTENANCE; WARNING: Prior to any of the following maintenance proce-; CLEANING FLUE PASSAGES AND HEATING ELEMENTS; MAINTENANCE

NORMAL MAINTENANCE WARNING: Prior to any of the following maintenance proce- dures, shut off all power to the unit, to avoid per-sonal injury. Periodic maintenance consists of changing or cleaning filters.Under some conditions, the main burners should be cleaned. FILTERS - Inspect once a month. Repl...

Page 13 - Checking Supply Air CFM; Remove the two 1⁄4 inch dot plugs in the duct panel.

Checking Supply Air CFM To check the supply air CFM after the initial balancing has beencompleted: 1.Remove the two ¼ inch dot plugs in the duct panel. 2.Insert at least 8 inches of ¼ inch tubing into each of theseholes for sufficient penetration into the airflow on both sides ofthe indoor coil. 3.U...

Page 16 - TROUBLESHOOTING; INSET

16 Unitary Products Group 035-18265-001-A-0202 TROUBLESHOOTING YES . Turn gas supply off . Set thermostat to SV9501 is powered (24 VAC nominal) Igniter warms up and glows red Pilot valves opens Turn gas on. Pilot burner lights? Check . Line voltage power. Low voltage transformer . Main limit (Auto r...

Page 17 - OPTIONAL CCH

Unitary Products Group 17 035-18265-001-A-0202 FIG. 9 - TYPICAL WIRING DIAGRAM (208/230-1-60 POWER SUPPLY) FIG. 10 - TYPICAL WIRING DIAGRAM (208/230-3-60 POWER SUPPLY) SEE DETAIL "A" T2 M1 - 2 DETAIL "A" L 2 BLK BLK CCH L1 T1 OPTIONAL CCH S / P CONFIGURATION BLK BLK CCH L1 D / P CONF...

Page 19 - TYPICAL WIRING DIAGRAM NOTES (See pages 16 and 17)

Unitary Products Group 19 035-18265-001-A-0202 (ALTERNATE) (ALTERNATE) TYPICAL WIRING DIAGRAM NOTES (See pages 16 and 17) TYPICAL WIRING DIAGRAM LEGEND (See pages 16 and 17) FIG. 13 - WIRING DIAGRAM DETAIL “B”(460 & 575-3-60 POWER SUPPLY) See page 17

Page 20 - NOTES

20 Unitary Products Group 035-18265-001-A-0202 NOTES