Unitary products group DNH036 Installationshandbuch

CONTENTSGENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . .

282911-YIM-A-020710 Unitary Products GroupTABLE 7: PHYSICAL DATAMODELDNH030 036 042 048 060EVAPORATORBLOWERCENTRIFUGAL BLOWER (Dia. x W. in.) 10 X 8 1

282911-YIM-A-0207Unitary Products Group 11FIGURE 7 - UNIT DIMENSIONS - FRONTAll dimensions are in inches.They are subject to change with-out notice.

282911-YIM-A-020712 Unitary Products GroupFIGURE 8 - UNIT DIMENSIONS - FRONT & BOTTOM2 6 - 3 / 464 - 5 / 88 - 7 / 81 1 - 7 / 81 9 - 1 / 4H I G H

282911-YIM-A-0207Unitary Products Group 13SEQUENCE OF OPERATIONThe unit is controlled by a conventional heating/cooling ther-mostat common to this cla

282911-YIM-A-020714 Unitary Products GroupHigh heatIf the W2 terminal was energized more than 1 second beforeW1 at the start of the call for heat, and

282911-YIM-A-0207Unitary Products Group 15of the unit wiring diagram. It resets automatically. The limit switch operates when a high temperature condi

282911-YIM-A-020716 Unitary Products Group2. Turn off all electric power to the appliance if service is to be performed.3. Remove the control access p

282911-YIM-A-0207Unitary Products Group 17To adjust the pilot flame:1. Remove the pilot adjustment cover screw.2. Adjust the pilot adjustment screw to

282911-YIM-A-020718 Unitary Products GroupCHECKING SUPPLY AIR CFMTo check the supply air CFM after the initial balancinghas been completed:1. Remove t

282911-YIM-A-0207Unitary Products Group 19FIGURE 13 - DNH COIL DELTA P VS. AIRFLOWDNH Coil Delta P vs Airflow00.10.20.30.40.50.60.70.80.9400 600 800

282911-YIM-A-02072 Unitary Products GroupTABLE OF CONTENTSGENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3INSPECTION

282911-YIM-A-020720 Unitary Products GroupTABLE 13: SUPERHEAT CHARGING TABLE FOR DNH030OUTDOORTEMP. °FSUPERHEAT AT COMPRESSOR SUCTION (F), AIRFLOW = 1

282911-YIM-A-0207Unitary Products Group 21TABLE 16: SUPERHEAT CHARGING TABLE FOR DNH048OUTDOORTEMP. °FSUPERHEAT AT COMPRESSOR SUCTION (F), AIRFLOW = 1

282911-YIM-A-020722 Unitary Products GroupFIGURE 14 - TYPICAL WIRING DIAGRAM DNH 030, 036, 042, 048 (208/230-3-60 POWER SUPPLY)

282911-YIM-A-0207Unitary Products Group 23FIGURE 15 - TYPICAL WIRING DIAGRAM DNH 030, 036, 042, 048 (460-3-60 POWER SUPPLY)

282911-YIM-A-020724 Unitary Products GroupFIGURE 16 - TYPICAL WIRING DIAGRAM DNH 060 (208-230-3-60 POWER SUPPLY)

282911-YIM-A-0207Unitary Products Group 25FIGURE 17 - TYPICAL WIRING DIAGRAM DNH 060 (460-3-60 POWER SUPPLY)

282911-YIM-A-020726 Unitary Products GroupTYPICAL WIRING DIAGRAM NOTES(SEE FIGURES 14 THRU 17)1. All field wiring to be accomplished following city, l

282911-YIM-A-0207Unitary Products Group 27FIGURE 19 - TYPICAL WIRING DIAGRAM LEGENDLEGENDALS AUXILARY LIMIT SWITCHASCT ANTI-SHORT CYCLE TIMER (OPTION

Subject to change without notice. Printed in U.S.A. 282911-YIM-A-0207Copyright © 2007 by Unitary Products Group. All rights reserved. Supersedes: 6632

282911-YIM-A-0207Unitary Products Group 3GENERALYORK Model DNH units are cooling/heating air conditionersdesigned for outdoor installation. Only gas p

282911-YIM-A-02074 Unitary Products GroupINSTALLATIONLIMITATIONSThese units must be installed in accordance with the follow-ing national and local saf

282911-YIM-A-0207Unitary Products Group 5 CLEARANCESAll units require certain clearances for proper operation andservice. Refer to Table 10 for the c

282911-YIM-A-02076 Unitary Products GroupRefer to Figure 7 for location of these access panels and min-imum clearances.THERMOSTATThe room thermostat s

282911-YIM-A-0207Unitary Products Group 7TABLE 3: NATURAL GAS APPLICATION DATAAVAILABLE ON MODELSINPUT CAPACITY(MBH)1OUTPUT CAPACITY(MBH)GAS RATE2FT.3

282911-YIM-A-02078 Unitary Products GroupGAS PIPINGProper sizing of gas piping depends on the cubic feet perhour of gas flow required, specific gravit

282911-YIM-A-0207Unitary Products Group 9 i4. All piping should be cleaned of dirt and scale by ham-mering on the outside of the pipe and blowing out