York DF 072 User Manual
Page 2

254599-YTG-C-0807
2
Unitary Products Group
TABLE OF CONTENTS
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
PRODUCT NOMENCLATURE . . . . . . . . . . . . . . . . . 3
FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
FACTORY-INSTALLED OPTIONS . . . . . . . . . . . . . . 5
FIELD-INSTALLED ACCESSORIES. . . . . . . . . . . . . 7
GUIDE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . 21
LIST OF FIGURES
Fig. #
Pg. #
UNIT CUTAWAY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
TYPICAL FIELD POWER & CONTROL WIRING. . . . 15
UNIT DIMENSIONS (6 TON COOLING
ONLY/ELECTRIC HEAT) FRONT VIEW . . . . . . . . . . 16
UNIT DIMENSIONS (6 TON COOLING/GAS HEAT)
FRONT VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
UNIT WITH ECONOMIZER RAINHOOD . . . . . . . . . . 17
UNIT WITH FIXED OUTDOOR AIR/MOTORIZED
DAMPER RAINHOOD. . . . . . . . . . . . . . . . . . . . . . . . . 17
UNIT DIMENSIONS (REAR VIEW) . . . . . . . . . . . . . . 18
DISCONNECT/BLOWER ACCESS LOCATION . . . . 18
TYPICAL APPLICATIONS . . . . . . . . . . . . . . . . . . . . . 19
FOUR AND SIX POINT LOADING . . . . . . . . . . . . . . . 20
ROOF CURB DIMENSIONS. . . . . . . . . . . . . . . . . . . . 21
LIST OF TABLES
Tbl. #
Pg. #
SOUND POWER RATING . . . . . . . . . . . . . . . . . . . . . . 8
CAPACITY RATINGS - (ARI 210/240) . . . . . . . . . . . . . 8
GAS HEAT RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2 STAGE GAS HEAT RATINGS . . . . . . . . . . . . . . . . . . 8
DF072 COOLING CAPACITIES (6 TON) . . . . . . . . . . . 9
SUPPLY AIR BLOWER PERFORMANCE (6 TON
BELT DRIVE) - SIDE DUCT APPLICATION . . . . . . . . 10
BELT DRIVE BLOWER MOTOR AND DRIVE DATA . 10
SUPPLY AIR BLOWER PERFORMANCE (6 TON
BELT DRIVE) - SIDE DUCT APPLICATION . . . . . . . . 11
STATIC RESISTANCES . . . . . . . . . . . . . . . . . . . . . . . 11
10 ELECTRIC HEATER CFM LIMITATIONS. . . . . . . . . . 11
11 ELECTRICAL DATA - DF072 BELT DRIVE
W/O POWERED CONV. OUTLET . . . . . . . . . . . . . . . 12
12 ELECTRICAL DATA - DF072 DIRECT DRIVE
W/O POWERED CONV. OUTLET . . . . . . . . . . . . . . . 12
13 ELECTRICAL DATA - DF072 BELT DRIVE
W/POWERED CONV. OUTLET . . . . . . . . . . . . . . . . . 13
14 ELECTRICAL DATA - DF072 DIRECT DRIVE
W/POWERED CONV. OUTLET . . . . . . . . . . . . . . . . . 13
15 DF PHYSICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . 14
16 ELECTRIC HEAT CORRECTION FACTORS. . . . . . . 14
17 VOLTAGE LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . 14
18 UTILITIES ENTRY . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
19 MINIMUM CLEARANCES . . . . . . . . . . . . . . . . . . . . . . 18
20 DF 4 AND 6 POINT LOADS WEIGHT
DISTRIBUTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
21 CENTER OF GRAVITY . . . . . . . . . . . . . . . . . . . . . . . . 20
22 DF OPERATING WEIGHTS (LBS.) . . . . . . . . . . . . . . 20