Carrier 48DL Installation Manual Page 3
- Page / 84
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
Rated. / 5. Based on customer reviews
264975-BIM-B-1208
Johnson Controls Unitary Products 3
LIST OF FIGURES
Fig. # Pg. #
1 UNIT SHIPPING BRACKET . . . . . . . . . . . . . . . . . . . . . 8
2 CONDENSER COVERING . . . . . . . . . . . . . . . . . . . . . 8
3 COMPRESSOR SECTION . . . . . . . . . . . . . . . . . . . . . . 8
4 DL/DU COMPONENT LOCATION (DL-10 SHOWN) . 10
5 UNIT 4 POINT LOAD . . . . . . . . . . . . . . . . . . . . . . . . . 11
6 UNIT 6 POINT LOAD . . . . . . . . . . . . . . . . . . . . . . . . . 12
7 UNIT CENTER OF GRAVITY . . . . . . . . . . . . . . . . . . . 12
8 UNIT DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 13
9 BOTTOM DUCT OPENINGS (FROM ABOVE) . . . . . 14
10 REAR DUCT DIMENSIONS . . . . . . . . . . . . . . . . . . . . 14
11 ROOF CURB DIMENSIONS . . . . . . . . . . . . . . . . . . . 15
12 TRANSITION ROOF CURBS . . . . . . . . . . . . . . . . . . 15
13 SIDE PANELS WITH HOLE PLUGS . . . . . . . . . . . . . 16
14 RETURN DOWNFLOW PLENUM WITH PANEL . . . . 16
15 DISCHARGE PANEL IN PLACE . . . . . . . . . . . . . . . . 16
16 CONDENSATE DRAIN . . . . . . . . . . . . . . . . . . . . . . . 16
17 TYPICAL ELECTRONIC THERMOSTAT FIELD
WIRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Fig. #
Pg. #
18 TYPICAL FIELD WIRING 24 VOLT THERMOSTAT . 18
19 FIELD WIRING DISCONNECT - COOLING UNIT
WITH/WITHOUT ELECTRIC HEAT . . . . . . . . . . . . . . 19
20 FIELD WIRING DISCONNECT - COOLING UNIT WITH
GAS HEAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
21 SIDE ENTRY GAS PIPING . . . . . . . . . . . . . . . . . . . . 31
22 BOTTOM ENTRY GAS PIPING . . . . . . . . . . . . . . . . . 31
23 ENTHALPY SET POINT CHART . . . . . . . . . . . . . . . . 35
24 HONEYWELL ECONOMIZER CONTROL W7212 . . 35
25 BELT ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . 36
26 DRY COIL DELTA P 50" CABINET . . . . . . . . . . . . . . 58
27 DRY COIL DELTA P 42" CABINET . . . . . . . . . . . . . . 58
28 TYPICAL FLAME . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
29 TYPICAL GAS VALVE . . . . . . . . . . . . . . . . . . . . . . . . 69
30 UNIT CONTROL BOARD . . . . . . . . . . . . . . . . . . . . . 75
31 BASIC TROUBLESHOOTING FLOWCHART . . . . . . 77
32 POWER ON FLOW CHART . . . . . . . . . . . . . . . . . . . 77
33 TRIP FAILURE FLOW CHART . . . . . . . . . . . . . . . . . 78
LIST OF TABLES
Tbl. # Pg. #
1 UNIT VOLTAGE LIMITATIONS . . . . . . . . . . . . . . . . . . 10
2 UNIT TEMPERATURE LIMITATIONS . . . . . . . . . . . . . 10
3 UNIT WEIGHTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4 4 POINT LOAD WEIGHT . . . . . . . . . . . . . . . . . . . . . . . 11
5 6 POINT LOAD WEIGHT . . . . . . . . . . . . . . . . . . . . . . . 12
6 UNIT HEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7 UNIT CLEARANCES . . . . . . . . . . . . . . . . . . . . . . . . . . 13
8 CONTROL WIRE SIZES . . . . . . . . . . . . . . . . . . . . . . . 17
9 ELECTRICAL DATA - DL-06 (6-1/2 TON) STANDARD
EFFICIENCY W/O PWRD CONV. OUTLET . . . . . . . . 20
10 ELECTRICAL DATA - DL-06 (6-1/2 TON) STANDARD
EFFICIENCY W/PWRD CONV. OUTLET . . . . . . . . . . 20
11 ELECTRICAL DATA - DU-06 (6-1/2 TON) HIGH
EFFICIENCY W/O PWRD CONV. OUTLET . . . . . . . . 21
12 ELECTRICAL DATA - DU-06 (6-1/2 TON) HIGH
EFFICIENCY W/PWRD CONV. OUTLET . . . . . . . . . . 21
13 ELECTRICAL DATA - DL-07 (7-1/2 TON) STANDARD
EFFICIENCY W/O PWRD CONV. OUTLET . . . . . . . . 22
14 ELECTRICAL DATA - DL-07 (7-1/2 TON) STANDARD
EFFICIENCY W/PWRD CONV. OUTLET . . . . . . . . . . 22
15 ELECTRICAL DATA - DU-07 (7-1/2 TON) HIGH
EFFICIENCY W/O PWRD CONV. OUTLET . . . . . . . . 23
16 ELECTRICAL DATA - DU-07 (7-1/2 TON) HIGH
EFFICIENCY W/PWRD CONV. OUTLET . . . . . . . . . . 23
Tbl. #
Pg. #
17 ELECTRICAL DATA - DL-08 (8-1/2 TON) STANDARD
EFFICIENCY W/O PWRD CONV. OUTLET . . . . . . . . 24
18 ELECTRICAL DATA - DL-08 (8-1/2 TON) STANDARD
EFFICIENCY W/PWRD CONV. OUTLET . . . . . . . . . . 24
19 ELECTRICAL DATA - DU-08 (8-1/2 TON) HIGH
EFFICIENCY W/O PWRD CONV. OUTLET . . . . . . . . 25
20 ELECTRICAL DATA - DU-08 (8-1/2 TON) HIGH
EFFICIENCY W/PWRD CONV. OUTLET . . . . . . . . . . 25
21 ELECTRICAL DATA - DL-10 (10 TON) STANDARD
EFFICIENCY W/O PWRD CONV. OUTLET . . . . . . . . 26
22 ELECTRICAL DATA - DL-10 (10 TON) STANDARD
EFFICIENCY W/PWRD CONV. OUTLET . . . . . . . . . . 26
23 ELECTRICAL DATA - DU-10 (10 TON) HIGH
EFFICIENCY W/O PWRD CONV. OUTLET . . . . . . . . 27
24 ELECTRICAL DATA - DU-10 (10 TON) HIGH
EFFICIENCY W/PWRD CONV. OUTLET . . . . . . . . . . 27
25 ELECTRICAL DATA - DL-12 (12-1/2 TON) STANDARD
EFFICIENCY W/O PWRD CONV. OUTLET . . . . . . . . 28
26 ELECTRICAL DATA - DL-12 (12-1/2 TON) STANDARD
EFFICIENCY W/PWRD CONV. OUTLET . . . . . . . . . . 28
27 ELECTRICAL DATA - DU-12 (12-1/2 TON) HIGH
EFFICIENCY W/O PWRD CONV. OUTLET . . . . . . . . 29
28 ELECTRICAL DATA - DU-12 (12-1/2 TON) HIGH
EFFICIENCY W/PWRD CONV. OUTLET . . . . . . . . . . 29
29 DL PHYSICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . 30
- 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
- NOMENCLATURE 7
- LIMITATIONS 9
- LOCATION 10
- RIGGING AND HANDLING 11
- FIGURE 5 - UNIT 4 POINT LOAD 11
- TABLE 3: UNIT WEIGHTS 11
- TABLE 4: 4 POINT LOAD WEIGHT 11
- CLEARANCES 12
- TABLE 5: 6 POINT LOAD WEIGHT 12
- FIGURE 6 - UNIT 6 POINT LOAD 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
- DUCTWORK 15
- DUCT COVERS 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
- 264975-BIM-B-1208 19
- TABLE 29: DL PHYSICAL DATA 30
- TABLE 30: DU 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
- BLOWER ROTATION 36
- BELT TENSION 36
- FIGURE 25 - BELT ADJUSTMENT 36
- AIR BALANCE 56
- CHECKING AIR QUANTITY 57
- SUPPLY AIR DRIVE ADJUSTMENT 59
- OPERATION 61
- SAFETY CONTROLS 62
- COMPRESSOR PROTECTION 63
- 50” CABINET 63
- START-UP (COOLING) 66
- START-UP (GAS HEAT) 67
- CHECKING GAS INPUT 68
- TABLE 69: GAS HEAT STAGES 68
- CHARGING THE UNIT 70
- TROUBLESHOOTING 74
- OPTION BYTE SETUP 75
- HEAT DELAY SETUP 75
- TABLE 81: HEAT DELAY 76
- Power to 77
- COOLING TROUBLESHOOTING GUIDE 79
- 5005 York Drive 84
- Norman, OK 73069 84
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