York DM120 Installation Manual Page 69
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264973-YIM-A-0806
Unitary Products Group 69
CHARGING THE UNIT
These units should be charged using the superheat method.
Super heat charging data is shown in Tables 71 thru 79.
When charging each system, superheat data should be taken
at the compressor inlet.
TABLE 71: DM078 (6.5 TON) STANDARD EFFICIENCY SUPERHEAT CHARGING
Outdoor
Temp (°F)
Superheat at Compressor Suction (°F)
Airflow = 2500 CFM
Indoor WB Temp (°F)
55 57 59 61 63 65 67 69 71 73 75
65 21.9 22.6 23.2 23.9 24.6 25.3 26.0 27.4 28.9 30.4 31.9
70 18.1 19.1 20.0 21.0 22.0 22.9 23.9 25.5 27.2 28.9 30.5
75 14.4 15.6 16.8 18.1 19.3 20.6 21.8 23.7 25.5 27.3 29.1
80 10.6 12.1 13.7 15.2 16.7 18.2 19.8 21.8 23.8 25.8 27.8
85 6.8 8.7 10.5 12.3 14.1 15.9 17.7 19.9 22.1 24.2 26.4
90 - 6.2 8.0 9.8 11.6 13.4 15.3 17.8 20.4 23.0 25.5
95 - - 5.6 7.4 9.2 11.0 12.8 15.8 18.7 21.7 24.6
100 - - 5.1 6.5 7.8 9.2 10.5 13.2 16.0 18.7 21.4
105 - - - 5.6 6.5 7.4 8.3 10.7 13.2 15.7 18.2
110 - - - - 5.2 5.6 6.0 8.2 10.5 12.7 14.9
115 - - - - - - - 5.7 7.7 9.7 11.7
TABLE 72: DM090 (7.5 TON) STANDARD EFFICIENCY SUPERHEAT CHARGING
Outdoor
Temp (°F)
Superheat at Compressor Suction (°F)
Airflow = 3000 CFM
Indoor WB Temp (°F)
55 57 59 61 63 65 67 69 71 73 75
65 - 6.4 8.7 10.9 13.2 15.4 17.7 19.8 21.9 24.1 26.2
70 - 6.3 8.5 10.7 12.9 15.1 17.3 19.2 21.1 23.0 24.9
75 - 6.1 8.3 10.4 12.6 14.7 16.9 18.6 20.2 21.9 23.5
80 - 6.0 8.1 10.2 12.3 14.4 16.5 17.9 19.4 20.8 22.2
85 - 5.8 7.9 9.9 12.0 14.0 16.1 17.3 18.5 19.7 20.9
90 - 5.7 7.7 9.7 11.7 13.7 15.7 16.3 16.9 17.5 18.1
95 - 5.5 7.5 9.4 11.4 13.3 15.3 15.3 15.3 15.3 15.3
100 - - 6.2 7.8 9.3 10.8 12.4 12.4 12.4 12.5 12.5
105 - - - 6.1 7.2 8.3 9.4 9.5 9.6 9.6 9.7
110 - - - - 5.1 5.8 6.5 6.6 6.7 6.8 6.9
115 -----------
- INSTALLATION 1
- TABLE OF CONTENTS 2
- LIST OF FIGURES 3
- LIST OF TABLES 3
- LIST OF TABLES (CONT’D) 4
- SAFETY CONSIDERATIONS 5
- INSPECTION 5
- REFERENCE 6
- RENEWAL PARTS 6
- APPROVALS 6
- 6.5-12.5 Ton York 7
- Model Number Nomenclature 7
- LIMITATIONS 9
- LOCATION 10
- FIGURE 4 - PREDATOR 10
- RIGGING AND HANDLING 11
- FIGURE 5 - UNIT 4 POINT LOAD 11
- TABLE 3: UNIT WEIGHTS 11
- TABLE 4: 4 POINT LOAD WEIGHT 11
- FIGURE 6 - UNIT 6 POINT LOAD 12
- CLEARANCES 12
- TABLE 5: 6 POINT LOAD WEIGHT 12
- See Detail 13
- CABINET SIZE 14
- DIMENSION 14
- “A” “B” “C” 14
- 50 3/4” 28 1/4 18 1/16 28 1/4 14
- 42” 27 3/4 12 1/16 27 1/2 14
- F R O N T 15
- R I G H T 15
- O P T I O N A L C O I L 16
- G U A R D 16
- 3 " M i n i m u m 16
- THERMOSTAT WIRING 17
- POWER AND CONTROL WIRING 17
- POWER WIRING DETAIL 17
- TABLE 8: CONTROL WIRE SIZES 17
- U N I T C O N T R O L 18
- B O A R D 18
- 264973-YIM-A-0806 19
- Unitary Products Group 19 19
- 20 Unitary Products Group 20
- Unitary Products Group 21 21
- 22 Unitary Products Group 22
- Unitary Products Group 23 23
- 24 Unitary Products Group 24
- Unitary Products Group 25 25
- 26 Unitary Products Group 26
- Unitary Products Group 27 27
- 28 Unitary Products Group 28
- Unitary Products Group 29 29
- TABLE 29: DM PHYSICAL DATA 30
- TABLE 30: DH PHYSICAL DATA 30
- O P T I O N A L 31
- S H O W N 31
- OPTIONS/ACCESSORIES 33
- FIRE OR EXPLOSION HAZARD 33
- ADJUSTMENTS AND INFORMATION 34
- Unitary Products Group 35 35
- BLOWER ROTATION 36
- BELT TENSION 36
- FIGURE 25 - BELT ADJUSTMENT 36
- Unitary Products Group 37 37
- 38 Unitary Products Group 38
- Unitary Products Group 39 39
- 40 Unitary Products Group 40
- Unitary Products Group 41 41
- 42 Unitary Products Group 42
- Unitary Products Group 43 43
- 44 Unitary Products Group 44
- Unitary Products Group 45 45
- 46 Unitary Products Group 46
- Unitary Products Group 47 47
- 48 Unitary Products Group 48
- Unitary Products Group 49 49
- 50 Unitary Products Group 50
- Unitary Products Group 51 51
- 52 Unitary Products Group 52
- Unitary Products Group 53 53
- 54 Unitary Products Group 54
- AIR BALANCE 56
- $LUIORZ&)0 57
- SUPPLY AIR DRIVE ADJUSTMENT 58
- OPERATION 60
- SAFETY CONTROLS 61
- COMPRESSOR PROTECTION 62
- 50” CABINET 62
- GAS HEATING OPERATION ERRORS 64
- START-UP (COOLING) 65
- START-UP (GAS HEAT) 66
- CHECKING GAS INPUT 67
- TABLE 69: GAS HEAT STAGES 67
- CHARGING THE UNIT 69
- 70 Unitary Products Group 70
- Unitary Products Group 71 71
- 72 Unitary Products Group 72
- TROUBLESHOOTING 73
- 74 Unitary Products Group 74
- Power to 75
- 76 Unitary Products Group 76
- COOLING TROUBLESHOOTING GUIDE 77
- 82 Unitary Products Group 82
- Unitary Products Group 83 83
- Unitary 5005 Norman 84
- Products York OK 84
- Group Drive 73069 84
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