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036-21233-002-A-0903
2 Unitary Products Group
TABLE OF CONTENTS
DESCRIPTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
STANDARD FEATURES/BENEFITS . . . . . . . . . . . . 3
FIELD-INSTALLED ACCESSORIES. . . . . . . . . . . . . 4
TYPICAL WIRING DIAGRAM NOTES . . . . . . . . . . 28
MECHANICAL SPECIFICATIONS . . . . . . . . . . . . . 29
LIST OF FIGURES
Fig. # Pg. #
1 UNIT COMPONENT LOCATION . . . . . . . . . . . . . . . . .5
2 FIELD WIRING DIAGRAM CONTROL WIRING. . . . . 19
3 POWER WIRING FIELD DIAGRAM. . . . . . . . . . . . . .19
4 UNIT DIMENSIONS - FRONT . . . . . . . . . . . . . . . . . .21
5 UNIT DIMENSIONS - FRONT & BOTTOM . . . . . . . .22
6 UNIT DIMENSIONS - BACK & BOTTOM. . . . . . . . . . 22
7 TYPICAL SLAB ON GROUND INSTALLATION. . . . .23
8 TYPICAL ROOF CURB INSTALLATION . . . . . . . . . .23
9 TYPICAL DUCT APPLICATIONS. . . . . . . . . . . . . . . . 24
10 UNIT CENTER OF GRAVITY. . . . . . . . . . . . . . . . . . .24
11 ROOF CURB DIMENSIONS. . . . . . . . . . . . . . . . . . . .25
12 ROOF CURB CROSS SECTION . . . . . . . . . . . . . . . .25
13 TYPICAL WIRING DIAGRAM
(208/230-1-60 POWER SUPPLY). . . . . . . . . . . . . . . .26
14 TYPICAL WIRING DIAGRAM
(208/230-3-60 POWER SUPPLY). . . . . . . . . . . . . . . .26
15 TYPICAL WIRING DIAGRAM
(460-3-60 POWER SUPPLY) . . . . . . . . . . . . . . . . . . .27
16 TYPICAL WIRING DIAGRAM (575-3-60). . . . . . . . . . 27
17 TYPICAL WIRING DIAGRAM LEGEND. . . . . . . . . . .28
18 WIRING DIAGRAM DETAIL B
(460 & 575-3-60 POWER SUPPLY) . . . . . . . . . . . . . .29
LIST OF TABLES
Tbl. # Pg. #
1 PHYSICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 RATINGS COOLING/GAS HEATING . . . . . . . . . . . . . . 7
3 DNH018 COOLING CAPACITIES - 1-1/2 TON. . . . . . . 8
4 DNH024 COOLING CAPACITIES - 2 TON. . . . . . . . . . 9
5 DNH030 COOLING CAPACITIES - 2-1/2 TON. . . . . . 10
6 DNH036 COOLING CAPACITIES - 3 TON. . . . . . . . . 11
7 DNH042 COOLING CAPACITIES - 3-1/2 TON. . . . . . 12
8 DNH048 COOLING CAPACITIES - 4 TON. . . . . . . . . 13
9 DNH060 COOLING CAPACITIES - 5 TON. . . . . . . . . 14
10 SIDE SUPPLY AIR PERFORMANCE - 208 VOLT . . . 15
11 SIDE SUPPLY AIR BLOWER PERFORMANCE -
230, 460 & 575 VOLT . . . . . . . . . . . . . . . . . . . . . . . . . 16
12 BOTTOM SUPPLY AIR BLOWER PERFORMANCE -
208 VOLT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
13 BOTTOM SUPPLY AIR BLOWER PERFORMANCE -
230, 460 & 575 VOLTS . . . . . . . . . . . . . . . . . . . . . . . . 18
14 ADDITIONAL STATIC PRESSURE RESISTANCE
1-1/2 - 3 TON (DNH018 - 036) . . . . . . . . . . . . . . . . . . 18
15 ADDITIONAL STATIC PRESSURE RESISTANCE
3-1/2 - 5 TON (DNH042 - 060) . . . . . . . . . . . . . . . . . . 19
16 ELECTRICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . 20
17 UNIT DIMENSIONS FRONT. . . . . . . . . . . . . . . . . . . . 21
18 UNIT MINIMUM CLEARANCES . . . . . . . . . . . . . . . . . 21
19 UNIT WEIGHTS AND CENTER OF GRAVITY. . . . . . 24