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KRACK KR Series Compact Unit Coolers Manuals
Manuals and User Guides for KRACK KR Series Compact Unit Coolers. We have
1
KRACK KR Series Compact Unit Coolers manual available for free PDF download: Installation And Operation Manual
KRACK KR Series Installation And Operation Manual (39 pages)
UNIT COOLERS
Brand:
KRACK
| Category:
Accessories
| Size: 4 MB
Table of Contents
Table of Contents
4
Receipt of Equipment
6
Inspection
6
Loss of Gas Holding Charge
6
Location Recommendations
6
Unit Mounting
7
TABLE 1A. Electric Defrost Unit Dimensions and Connection Sizes
7
FIGURE 1 Unit Dimensions
7
TABLE 1B. Gas Defrost Unit Dimensions and Connection Sizes
8
TABLE 1C. Air Defrost Unit Dimensions and Connection Sizes
8
Drain Line
9
Refrigeration Piping
9
Refrigerant Distributor Nozzles
10
FIGURE 2 Multiple Unit Coolers Controlled by a Single Solenoid
10
FIGURE 3 Multiple Unit Coolers Controlled by Multiple Solenoids
10
TABLE 2A. Air Defrost Models Distributor Nozzle Selections
11
TABLE 2B. Electric Defrost Models Distributor Nozzle Selections
11
TABLE 2C. Gas Defrost Models Distributor Nozzle Selection
12
Expansion Valve
13
TABLE 7A. Recommended Expansion Valves for Air Defrost Models
13
TABLE 7B. Recommended Expansion Valves for Electric Defrost Models
14
TABLE 7C. Recommended Expansion Valves for Gas Defrost Models
15
Wiring
16
TABLE 8. Motor and Defrost Electrical Information - Electric Defrost
16
TABLE 9. Motor and Defrost Electrical Information - Hot Gas Defrost
16
Air Defrost Models Wiring Diagrams
17
FIGURE 4A Air Defrost Wiring Diagrams for Motor Type B
17
FIGURE 4B Air Defrost Wiring Diagram for Motor Type V
17
FIGURE 4C Air Defrost Wiring Diagram for Motor Type D
17
FIGURE 4D Air Defrost Wiring Diagram with Timer - Motor Type B
18
FIGURE 4E Air Defrost Wiring Diagram with Timer - Motor Type V
18
FIGURE 4F Air Defrost Wiring Diagram with Timer - Motor Type D
18
Electric Defrost Models Wiring Diagrams
19
FIGURE 5A Electric Defrost System with Timer Wiring - Motor Type B
19
FIGURE 5B Electric Defrost System with Timer Wiring - Motor Type V
19
FIGURE 5C Electric Defrost System with Timer Wiring - Motor Type D
20
FIGURE 6A Electric Defrost with Timer and Defrost Contactor Wiring - Motor Type B
20
FIGURE 6B Electric Defrost with Timer and Defrost Contactor Wiring - Motor Type V
21
FIGURE 6C Electric Defrost with Timer and Defrost Contactor Wiring - Motor Type D
21
FIGURE 7A Electric Defrost System Wiring Motor Type B - 3 Phase Heaters
22
FIGURE 7B Electric Defrost System Wiring Motor Type V - 3 Phase Heaters
22
FIGURE 7C Electric Defrost System Wiring Motor Type D Motor - 3 Phase Heaters
23
FIGURE 8A Electric Defrost System Wiring Motor Type B - Multiple Evaporator
23
FIGURE 8B Electric Defrost System Wiring Motor Type V - Multiple Evaporators
24
FIGURE 8C Electric Defrost System Wiring Motor Type D - Multiple Evaporators
24
Gas Defrost Models Wiring Diagrams
25
FIGURE 9A H - 3 Pipe Hot Gas with Electric Pan Heat and P - 2 Pipe Kool
25
Gas with Electric Pan Heat - Motor Type B
25
FIGURE 9B H - 3 Pipe Hot Gas with Electric Pan Heat and P - 2 Pipe Kool
25
Gas with Electric Pan Heat - Motor Type V
25
FIGURE 9C H - 3 Pipe Hot Gas with Electric Pan Heat and P - 2 Pipe Kool
26
Gas with Electric Pan Heat - Motor Type D
26
FIGURE 10A Model G - 3 Pipe Hot Gas with Gas Pan Heat and K - 2 Pipe Kool
26
Gas with Gas Pan Heat - Motor Type B
26
FIGURE 10B Models G - 3 Pipe Hot Gas with Gas Pan Heat and K - 2 Pipe Kool
26
Gas with Gas Pan Heat - Motor Type V
26
Sequence of Operation
27
Gas with Gas Pan Heat - Motor Type D
27
Models H - 3 Pipe Hot Gas with Electric Pan Heat and P - 2 Pipe Kool Gas with Electric Pan Heat
28
Models G - 3 Pipe Hot Gas with Gas Pan Heat and K - 2 Pipe Kool Gas with Gas Pan Heat
29
FIGURE 11A Model H (HGE) - 3 Pipe Hot Gas Defrost with Electric Pan Heat
29
FIGURE 11B Model G (HGG) - 3 Pipe Hot Gas Defrost with Hot Gas Pan Heat
29
FIGURE 12A Model P (KGE) - 2 Pipe Kool Gas Defrost with Electric Pan Heat
30
FIGURE 12B Model K (KGG) - 2 Pipe Kool Gas Defrost with Gas Pan Defrost
30
Dual Speed Motor Sequence of Operation
31
Variable Speed Motor Sequence of Operation
31
Variable Speed Motor with System 450 - Sequence of Operation
31
Interlocking Single Compressor Unit with Krack Coil
32
FIGURE 13 Wiring Drawing of Evaporator with System 450 and Signal Amplifier
32
FIGURE 14 Set up in Single Compressor Unit - (Compressor Interlock)
33
FIGURE 15 DUAL Speed Motor Evaporator Coils - (Motors with Control Harness)
33
FIGURE 16 Variable Speed Motor Evaporator Coils
33
Pre-Startup
34
FIGURE 17 Defrost Termination Location for Carbon Dioxide (R744)
34
Replacement Parts
35
FIGURE 18 Replacement Parts
35
TABLE 10 Replacement Parts
36
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