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AAON RN Series manuals available for free PDF download: Installation Operation & Maintenance, Installation, Operation & Maintanance Manual
AAON RN Series Installation Operation & Maintenance (136 pages)
Packaged Rooftop Units, Heat Pumps, & Outdoor Air Handling Units
Brand:
AAON
| Category:
Heat Pump
| Size: 6.41 MB
Table of Contents
Table of Contents
3
AAON ® RN Series Features and Options Introduction
8
Safety
9
RN Series Feature String Nomenclature
15
General Information
27
Codes and Ordinances
27
Receiving Unit
28
Storage
28
Wiring Diagrams
28
Figure 1 - Lockable Handle
28
Installation
29
Locating Units
29
Table 1 - a Cabinet Unit Clearances
29
Table 2 - B Cabinet Unit Clearances
29
Setting the Curb
30
Table 3 - C Cabinet Unit Clearances
30
Table 4 - D Cabinet Unit Clearances
30
Table 5 - E Cabinet Unit Clearances
30
Figure 2 - RN Series A, B and C Cabinet
30
Figure 3 - RN Series D Cabinet
30
Figure 4 - RN Series E Cabinet
30
Figure 5 - RN Series 6-8 and 10 Ton Unit Isolator Locations
32
Figure 6 - RN Series 9 and 11-15 Ton Unit Isolator Locations
33
Figure 7 - RN Series 16-25 and 30 Ton Unit Isolator Locations
34
Figure 8 - RN Series 26, 31-50, 60, and 70 Ton Unit Isolator Locations
35
Figure 9 - Steel Mounting
36
Forklifting the Unit (6-25 and 30 Ton)
37
Lifting the Unit
37
Figure 10 - Forklifting an RN Series A, B and C Cabinet, 6-25 and 30 Tons
37
Figure 11 - Lifting Details of a 6-25 and 30 Ton Standard or Power Exhaust Unit
38
Figure 12 - Lifting Details of a 6-25 and 30 Ton Energy Recovery Wheel or Power Return Unit
38
Figure 13 - Lifting Details of a 26, 31-50, 60 and 70 Ton Unit
39
Figure 14 - Lifting Details of a 55, 65 and 75-140 Ton Unit
39
Duct Connection
40
Figure 15 - Duct Connection
40
Seismic Curb Installation
41
Figure 16 - Solid Bottom Seismic Curb with Filters
41
Figure 17 - Seismic Solid Bottom Curb Without Filters Cross Section
42
Figure 18 - Seismic Solid Bottom Curb Without Filters Detail a
42
Figure 19 - Seismic Solid Bottom Curb Without Filters Detail B
42
Figure 20 - Seismic Rigid Mount Curb
42
Outside Air Rain Hood
43
Figure 21 - 6-25 and 30 Ton
43
Figure 22 - 6-25 and 30 Ton
43
Figure 23 - 26 and 31-140 Ton
43
End Flashing Installation
44
Metal Mesh Filters (6-25 and 30 Ton Units)
44
Figure 24 - Factory Supplied End Flashings
44
Figure 25 - Rain Hood with Metal Mesh Filter Rack Installation
44
Electrical
45
Table 6 - Nameplate Voltage Markings & Tolerances
45
Figure 26 - Unit Utility Entry
46
Figure 27 - Back View of Power Switch from Compressor and Control Compartment
46
Figure 28 - Back View of Utility Entry and Power Switch from Control Compartment
46
Table 7 - RN-A through C Cabinet Variable Speed Compressor Turndown Ratio
47
Variable Speed Compressors
47
Thermostat Control Wiring
48
Condensate Drain Piping
48
Table 8 - RN-E Cabinet Single Circuited Variable Speed Compressor VFD Frequency Range
48
Table 9 - RN-E Cabinet Tandem Circuited Variable Speed Compressor VFD Frequency Range
48
Table 10 - Control Wiring
48
Draw-Through Coils
49
Figure 29 - Draw-Through Drain Trap
49
Startup
50
Filters
50
Supply Fans
50
Table 11 - Draw-Through Drain Trap Dimensions
50
Power Return Axial Flow Fans (16-25 and 30 Tons)
52
Table 12 - Plenum Fan Set Screw Specifications
52
Figure 30 - Supply Fan Banding
52
Figure 31 - Plenum Fan Gap Tolerances
52
Figure 32 - Fan with the HUB on the Top and RET on the Bottom
53
Figure 33 - Bushing Mount Location
53
Figure 34 - RET with Pin in Groove 4
53
Figure 35 - Fan HUB and RET Castings
53
Power Return and Exhaust Axial Flow Fans (26 and 31-140 Tons)
54
Table 13 - Pin Location
54
Table 14 - Pin Groove Location
54
Figure 36 - Assembled Fan
54
Figure 37 - Back of the Fan
54
Adjusting Refrigerant Charge
55
Figure 38 - Pin Groove Location
55
Figure 39 - Pitch Pin Location
55
Figure 40 - Example Pitch Pin
55
Checking Evaporator Superheat
56
Checking Liquid Sub-Cooling
56
Adjusting Sub-Cooling and Superheat Temperatures
57
Freeze Stat Startup
57
Table 17 - Acceptable Microchannel Air-Cooled Condenser Coil Liquid Sub-Cooling Values
57
Table 18 - R-410A and R-22 Refrigerant Temperature-Pressure Chart
58
Condenser Fan Electronically Commutated Motor (ECM) Startup
59
VFD Controlled Condenser Fan Startup
59
Table 19 - ECM Condenser Fan Cycling Options
59
Adjustable Fan Cycling Switch Procedure
60
Operation
62
Thermostat Operation
62
Packaged DX Cooling Operation and Control
62
Gas Heater Operation
62
Electric Heating Operation
63
Steam or Hot Water Preheating and Heating Operation
63
Modulating Electric Preheat
63
Chilled Water or Non-Compressorized DX Cooling Operation
63
Maintenance
63
Supply Fans
63
Power Exhaust Motor and Belt Removal
64
Figure 41 - 9-25 and 30 Ton Supply Fan
64
Figure 42 - Bolts Which Connect Motor Mount to Blower Fan
64
DX Cooling
65
Condensate Drain Pans
65
Brazed Plate Heat Exchanger Cleaning
65
E-Coated Coil Cleaning
66
Microchannel Coil Cleaning
67
Options
69
Heating Coils
69
Chilled Water Coil
70
Table 20 - Steam Coil Connection Sizes
70
Table 21 - Hot Water Coil Connection Sizes
70
Table 22 - Chilled Water Coil Connection Sizes
70
Packaged Direct Expansion (DX) Units
71
Variable Capacity Compressor Controller
72
Figure 43 - Variable Capacity Compressor Controller
72
Table 23 - Demand Signal Vs. Compressor Capacity Modulation
73
Figure 44 - Compressor Controller Flash Code Details
73
Evaporator Coil (6-25 and 30 Ton)
74
Condenser Fans (6-25 and 30 Ton)
74
Figure 45 - Evaporator Coil Access
74
Suction Filter (55, 65 and 75-140 Ton)
75
Figure 46 - Removal of a Condenser Fan Assembly
75
Figure 47 - RPE-48-BD Filter Element
75
Suction Filter Removal Instructions
76
Refrigerant-To-Water Heat Exchanger
76
Water-Source Heat Pump Applications
76
Open Loop Applications
76
Freezing Water in the Heat Exchanger
77
Water Piping
78
Table 24 - Glycol Freezing Points
78
Table 25 - Standard Brazed Plate Heat Exchanger Water Connections
78
Energy Recovery Units
80
Aluminum Energy Recovery Wheel
81
Figure 48 - Aluminum Energy Recovery Wheel
81
Figure 49 - Aluminum ERW Purge Sector Location
81
Polymer Energy Recovery Wheel
83
Figure 50 - Polymer Energy Recovery Wheel
83
Figure 51 - Wheel Segment Removal Pattern
88
Energy Recovery Wheel General Cleaning
90
Table 26 - Energy Recovery Wheel Cleaning Frequency
90
Energy Recovery Wheel Defrost Timer Setting
92
Gas or Electric Heating
92
Figure 52 - Defrost Timer
92
Figure 53 - Temperature Dial
92
Table 27 - Electric and Gas Heating Capacities
93
Electric Preheat
94
Status Display Screens
94
Figure 54 - Preheat Controller
94
System Setting Screens
95
Table 28 - Stages of Electric Preheat
95
LED Flash Alarm Codes
96
Operation
97
Gas Heating
97
Figure 55 - RN Series Gas Heat Exchanger
98
Table 29 - 6-8 and 10 Ton Gas Connections
98
Table 30 - 9, 11, 13, & 15 Ton Gas Connections
98
Table 31 - 14, 16-25 and 30 Ton
98
Table 32 - 26 and 31-70 Ton
98
Table 33 - 55, 65 and 75-140 Ton Gas Connections
98
Inlet and Manifold Pressures
99
Piping Sizing Examples
99
Table 34 - Natural Gas (Ft 3 /Hr) Maximum P Iping Capacities
99
Table 35 - Propane (Kbtu/Hr) Maximum P Iping Capacities
99
Additional Gas Piping Considerations
100
Gas Pressure Regulator & Overpressure Protection Device
100
Piping Supports
100
Table 36 - Gas Piping Supports
100
Figure 56 - Example 6-50, 60 & 70 Ton through the Base Gas Piping
102
Figure 57 - Example 55, 65 and 75-140 Ton for Across the Roof Gas Piping
103
Leak Testing
104
Figure 58 - Gas Heater Instructions
105
Gas Heater Operating Instructions
105
Gas Heat Exchanger Removal
106
Gas Heating Maintenance
106
Figure 59 - Gas Heat Exchanger
107
Phase and Brownout Protection Module
108
Filter Replacement
110
Table 37 - 6-8 and 10 Ton Pre Filters
110
Table 38 - 9 and 11-15 Ton Pre Filters
111
Table 39 - 14, 16-25 and 30 Ton Pre Filters
111
Table 40 - 26, 31, and 40 Ton Pre Filters
111
Table 41 - 50, 60, and 70 Ton Pre Filters
111
Table 42 - 55, 65, and 75 Ton Pre Filters
112
Table 43 - 90-140 Ton Pre Filters
112
Table 44 - 26, 31-50, 60, and 70 Ton Preheat Filters
112
Table 45 - 6-8 and 10 Ton Unit Filters
113
Table 46 - 9 and 11 Ton Unit Filters
113
Table 47 - 13 and 15 Ton Unit Filters
114
Table 48 - 14, 16-25 and 30 Ton Unit Filters
114
Table 49 - 26, 31, and 40 Ton Unit Filters
115
Table 50 - RN Series 50, 60, and 70 Ton Unit Filters
115
Table 51 - 55, 65, and 75 Ton Unit Filters
116
Table 52 - 90-140 Ton Unit Filters
116
Table 53 - 6-8 and 10 Ton Energy Recovery Wheel Filters
116
Table 54 - 9 and 11-15 Ton Energy Recovery Wheel Filters
117
Table 55 - 14, 16-25 and 30 Ton Energy Recovery Wheel Filters
117
Table 56 - 26, 31-50, 60, and 70 Ton Energy Recovery Wheel Filters
118
Table 57 - 55, 65, and 75-140 Ton Energy Recovery Wheel Filters
119
Figure 60 - RN Series 6-50, 60, and 70 Ton Standard Filter Layouts
119
Replacement Parts
120
Figure 61 - RN Series 55, 65, 70-140 Ton Standard Filter Layouts
120
Advertisement
AAON RN Series Installation Operation & Maintenance (136 pages)
Packaged Rooftop Units, Heat Pumps, & Outdoor Air Handling Units
Brand:
AAON
| Category:
Air Handlers
| Size: 12.64 MB
Table of Contents
Table of Contents
3
AAON® RN Series Next Gen RN Features and Options Introduction
8
Safety
9
RN Series - Next Gen RN Feature String Nomenclature
15
General Information
29
Codes and Ordinances
29
Receiving Unit
30
Storage
30
Figure 1 - Lockable Handle
30
Wiring Diagrams
31
Installation
31
Locating Units
31
Table 1 - C Cabinet Unit Clearances
31
Figure 2 - RN Series C Cabinet
31
Setting the Curb
32
Table 2 - D Cabinet Unit Clearances
32
Table 3 - E Cabinet Unit Clearances
32
Figure 3 - RN Series D Cabinet
32
Figure 4 - RN Series E Cabinet
32
Figure 5 - RN Series 26, 31-50, 60, and 70 Ton Unit Isolator Locations
33
Figure 6 - Steel Mounting
34
Forklifting the Unit (11, 13 and 16-30 Ton)
35
Lifting the Unit
35
Figure 7 - Forklifting an RN Series C Cabinet, 11, 13 and 16-30 Tons
35
Figure 8 - Lifting Details of a 11-25 and 30 Ton Standard or Power Exhaust Unit
36
Figure 9 - Lifting Details of a 11-25 and 30 Ton Energy Recovery Wheel or Power Return Unit
36
Figure 10 - Lifting Details of a 26, 31-50, 60 and 70 Ton Unit
37
Figure 11 - Lifting Details of a 55, 65 and 75-140 Ton Unit
37
Duct Connection
38
Seismic Curb Installation
39
Figure 12 - Duct Connection
39
Figure 13 - Solid Bottom Seismic Curb with Filters
40
Outside Air Rain Hood
41
Figure 14 - Seismic Solid Bottom Curb Without Filters Cross Section
41
Figure 15 - Seismic Solid Bottom Curb Without Filters Detail a
41
Figure 16 - Seismic Solid Bottom Curb Without Filters Detail B
41
Figure 17 - Seismic Rigid Mount Curb
41
Figure 18 - 11, 13 and 16-30 Ton Closed Rain Hood
42
Figure 19 - 11, 13 and 16-30 Ton Open Rain Hood
42
Figure 20 - 26 and 31-70 Ton Open Rain Hood
42
End Flashing Installation
43
Metal Mesh Filters
43
Figure 21 - Factory Supplied End Flashings
43
Figure 22 - Rain Hood with Metal Mesh Filter Rack Installation
43
Electrical
44
Table 4 - Nameplate Voltage Markings & Tolerances
44
Table 5 - RN Series E Cabinet 55, 65, and 75-145 Ton Dual Point Power Methods
44
Figure 23 - Unit Utility Entry
45
Figure 24 - Back View of Power Switch from Compressor and Control Compartment
45
Figure 25 - Back View of Utility Entry and Power Switch from Control Compartment
46
Variable Speed Compressors
47
Table 6 - 35 KAIC Fuse Sizing
47
Table 7 - 65 KAIC Fuse Sizing
47
Table 8 - Variable Speed Compressor Turndown Ratio
47
Thermostat Control Wiring
48
Condensate Drain Piping
48
Table 9 - Control Wiring
48
Draw-Through Coils
49
Table 10 - Draw-Through Drain Trap Dimensions (Metric)
49
Figure 26 - Draw-Through Drain Trap
49
Startup
50
Filters
50
Air Flow Monitoring
50
Table 11 - Draw-Through Drain Trap Dimensions (Imperial)
50
Supply Fans
51
Table 12 - Plenum Fan Set Screw Specifications
52
Figure 27 - Supply Fan Banding
52
Power Return Axial Flow Fans (16-25 and 30 Tons)
53
Figure 28 - Plenum Fan Gap Tolerances
53
Figure 29 - Fan with the HUB on the Top and RET on the Bottom
53
Figure 30 - Bushing Mount Location
53
Power Return and Exhaust Axial Flow Fans (26 and 31-70 Tons)
54
Table 13 - Pin Location
54
Table 14 - Pin Groove Location
54
Figure 31 - RET with Pin in Groove 4
54
Figure 32 - Fan HUB and RET Castings
54
Figure 33 - Assembled Fan
55
Figure 34 - Back of the Fan
55
Figure 35 - Pin Groove Location
55
Figure 36 - Pitch Pin Location
55
Figure 37 - Example Pitch Pin
55
Adjusting Refrigerant Charge
56
Checking Liquid Sub-Cooling
56
Checking Evaporator Superheat
56
Table 15 - Acceptable Fin & Tube Air-Cooled Condenser Coil Refrigeration Circuit Values
57
Table 16 - Acceptable Fin & Tube Air-Cooled Condenser Coil Refrigeration Circuit Values
57
Table 17 - Acceptable Water-Cooled Refrigeration Circuit Values (Metric)
57
Table 18 - Acceptable Water-Cooled Refrigeration Circuit Values (Imperial)
57
Table 19 - Acceptable Microchannel Air-Cooled Condenser Coil Liquid Sub-Cooling Values (Metric)
58
Table 20 - Acceptable Microchannel Air-Cooled Condenser Coil Liquid Sub-Cooling Values (Imperial)
58
Adjusting Sub-Cooling and Superheat Temperatures
59
Freeze Stat Startup
59
Table 21 - R-410A Refrigerant Temperature-Pressure Chart (Metric)
60
Table 22 - R-410A Refrigerant Temperature-Pressure Chart (Imperial)
61
Table 23 - R-454B Refrigerant Temperature-Pressure Chart (Metric)
62
Table 24 - R-454B Refrigerant Temperature-Pressure Chart (Imperial)
63
Condenser Fan Electronically Commutated Motor (ECM) Startup
64
VFD Controlled Condenser Fan Startup
64
Table 25 - ECM Condenser Fan Cycling Options
64
Adjustable Fan Cycling Switch Procedure
65
Operation
67
Thermostat Operation
67
Packaged DX Cooling Operation and Control
67
Gas Heater Operation
67
Electric Heating Operation
68
Steam or Hot Water Preheating and Heating Operation
68
Modulating Electric Preheat
68
Chilled Water or Non-Compressorized DX Cooling Operation
68
Maintenance
68
Supply Fans
68
Power Exhaust Motor and Belt Removal
69
Figure 38 - 11-25 and 30 Ton Supply Fan
69
Figure 39 - Bolts Which Connect Motor Mount to Blower Fan
69
DX Cooling
70
Condensate Drain Pans
70
Brazed Plate Heat Exchanger Cleaning
70
E-Coated Coil Cleaning
71
Microchannel Coil Cleaning
72
Options
74
Heating Coils
74
Chilled Water Coil
75
Table 26 - Steam Coil Connection Sizes
75
Table 27 - Hot Water Coil Connection Sizes
75
Table 28 - Chilled Water Coil Connection Sizes
75
Table 29 - Min and Max Water Pressures and Temps
75
Packaged Direct Expansion (DX) Units
76
Variable Capacity Compressor Controller
77
Figure 40 - Variable Capacity Compressor Controller
77
Table 30 - Demand Signal Vs. Compressor Capacity Modulation
78
Figure 41 - Compressor Controller Flash Code Details
78
Evaporator Coil (11-25 and 30 Ton)
79
Condenser Fans (11-25 and 30 Ton)
79
Figure 42 - Evaporator Coil Access
79
Suction Filter (55, 65 and 75-140 Ton)
80
Figure 43 - Removal of a Condenser Fan Assembly
80
Figure 44 - RPE-48-BD Filter Element
80
Suction Filter Removal Instructions
81
Refrigerant-To-Water Heat Exchanger
81
Water-Source Heat Pump Applications
81
Open Loop Applications
81
Freezing Water in the Heat Exchanger
82
Water Piping
83
Table 31 - Glycol Freezing Points
83
Table 32 - Standard Brazed Plate Heat Exchanger Water Connections
84
Energy Recovery Units
85
Aluminum Energy Recovery Wheel
86
Figure 45 - Aluminum Energy Recovery Wheel
86
Figure 46 - Aluminum ERW Purge Sector Location
87
Polymer Energy Recovery Wheel
88
Figure 47 - Polymer Energy Recovery Wheel
89
Figure 48 - Wheel Segment Removal Pattern
93
Energy Recovery Wheel General Cleaning
95
Table 33 - Energy Recovery Wheel Cleaning Frequency
96
AAON RN Series Installation, Operation & Maintanance Manual (116 pages)
Packaged Rooftop Units, Heat Pumps, & Outdoor Air Handling Units
Brand:
AAON
| Category:
Heat Pump
| Size: 2.66 MB
Table of Contents
Table of Contents
3
Safety
8
RN Series Feature String Nomenclature
13
General Information
24
Codes and Ordinances
24
Receiving Unit
25
Figure 1 - Lockable Handle
25
Packaged Direct Expansion (DX) Units
26
Gas or Electric Heating
27
Table 1 - Electric and Gas Heating Capacities
27
Wiring Diagrams
28
Gas/Electric Heat
28
Condensate Drain Pan
28
Figure 23 - 6-25 and 30 Ton
28
Installation
29
Locating Units
29
Table 2 - a Cabinet Unit Clearances
29
Table 3 - B Cabinet Unit Clearances
29
Table 4 - C Cabinet Unit Clearances
29
Setting the Curb
30
Table 5 - D Cabinet Unit Clearances
30
Table 6 - E Cabinet Unit Clearances
30
Figure 2 - RN Series A, B and C Cabinet
30
Figure 3 - RN Series D Cabinet
30
Figure 4 - RN Series E Cabinet
30
Figure 5 - RN Series 6-8 and 10 Ton Unit Gasket Locations
32
Figure 6 - RN Series 9 and 11-15 Ton Unit Gasket Locations
33
Figure 7 - RN Series 16-25 and 30 Ton Unit Gasket Locations
34
Figure 8 - RN Series 26, 31-50, 60, and 70 Ton Unit Gasket Locations
35
Forklifting the Unit (6-25 and 30 Ton)
36
Lifting the Unit
36
Figure 9 - Forklifting an RN Series A, B and C Cabinet, 6-25 and 30 Tons
36
Figure 10 - Lifting Details of a 6-25 and 30 Ton Standard or Power Exhaust Unit
37
Figure 11 - Lifting Details of a 6-25 and 30 Ton Energy Recovery Wheel or Power Return Unit
37
Figure 12 - Lifting Details of a 26, 31-50, 60 and 70 Ton Unit
38
Figure 13 - Lifting Details of a 55, 65 and 75-140 Ton Unit
38
Duct Connection
39
Figure 14 - Duct Connection
39
Seismic Curb Installation
40
Figure 15 - Solid Bottom Seismic Curb with Filters
40
Figure 16 - Seismic Solid Bottom Curb Without Filters Cross Section
41
Figure 17 - Seismic Solid Bottom Curb Without Filters Detail a
41
Figure 18 - Seismic Solid Bottom Curb Without Filters Detail B
41
Figure 19 - Seismic Rigid Mount Curb
42
Figure 20 - 90-140 Ton Condenser Coil Guard Installation Instructions 1
43
Outside Air Rain Hood
44
Figure 21 - 90-140 Ton Condenser Coil Guard Installation Instructions 2
44
End Flashing Installation
45
Figure 22 - 6-25 and 30 Ton
45
Figure 24 - 26 and 31-140 Ton
45
Metal Mesh Filters (6-25 and 30 Ton Units)
46
Figure 25 - Factory Supplied End Flashings
46
Figure 26 - Rain Hood with Metal Mesh Filter Rack Installation
46
Electrical
47
Figure 27 - Unit Utility Entry
47
Figure 28 - Back View of Power Switch from Compressor and Control Compartment (6-50, 60, and 70 Ton Units)
47
Figure 29 - Front View of Utility Entry and Power Switch from Control Compartment
48
Table 7 - Variable Speed Compressor VFD Frequency Range
49
Table 8 - Control Wiring
49
Thermostat Control Wiring
49
Variable Speed Compressors
49
Gas Heating
50
Table 10 - 9 and 11-15 Ton Gas Connections
50
Table 11 - 16-25 and 30 Ton
50
Table 12 - 26 and 31-70 Ton
50
Table 9 - 6-8 and 10 Ton Gas Connections
50
Figure 30 - RN Series Gas Heat Exchanger
51
Piping Sizing Examples
51
Table 13 - 55, 65 and 75-140 Ton Gas Connections
51
Table 14 - Natural Gas (Ft 3 /Hr) Maximum Piping Capacities
51
Table 15 - Propane (Kbtu/Hr) Maximum Piping Capacities
51
Additional Gas Piping Considerations
52
Gas Pressure Regulator & Overpressure Protection Device
52
Inlet and Manifold Pressures
52
Piping Supports
52
Table 16 - Gas Piping Supports
52
Figure 31 - Example 6-25 and 30 Ton through the Base Gas Piping
53
Leak Testing
53
Refrigerant-To-Water Heat Exchanger
54
Water-Source Heat Pump Applications
54
Open Loop Applications
54
Freezing Water in the Heat Exchanger
55
Water Piping
56
Table 17 - Glycol Freezing Points
56
Table 18 - Standard Brazed Plate Heat Exchanger Water Connections
57
Table 19 - SMO 254 Brazed Plate Heat Exchanger Water Connections
57
Condensate Drain Piping
58
Heating Coils
59
Chilled Water Coil
59
Table 20 - Steam Coil Connection Sizes
59
Table 21 - Hot Water Coil Connection Sizes
59
Table 22 - Chilled Water Coil Connection Sizes
59
Electric Preheat
60
Status Display Screens
60
Figure 32 - Preheat Controller
60
System Setting Screens
61
Table 23 - Stages of Electric Preheat
62
LED Flash Alarm Codes
63
Operation
63
Energy Recovery Units
64
Startup
72
Supply Fans
72
Power Return Axial Flow Fans (16-25 and 30 Tons)
73
Figure 33 - Supply Fan Banding
73
Figure 34 - Fan with the HUB on the Top and RET on the Bottom
74
Figure 35 - Bushing Mount Location
74
Figure 36 - RET with Pin in Groove 4
74
Figure 37 - Fan HUB and RET Castings
74
Power Return and Exhaust Axial Flow Fans (26 and 31-140 Tons)
75
Table 24 - Pin Location
75
Table 25 - Pin Groove Location
75
Figure 38 - Assembled Fan
75
Figure 39 - Back of the Fan
75
Filters
76
Adjusting Refrigerant Charge
76
Figure 40 - Pin Groove Location
76
Figure 41 - Pitch Pin Location
76
Figure 42 - Example Pitch Pin
76
Checking Evaporator Superheat
77
Checking Liquid Sub-Cooling
77
Adjusting Sub-Cooling and Superheat Temperatures
78
Table 26 - Acceptable Refrigeration
78
Table 27 - R-410A and R-22 Refrigerant Temperature-Pressure Chart
79
Gas Heater Instructions
80
Figure 43 - Gas Heater Instructions
80
Condenser Fan Electronically Commutated Motor (ECM) Startup
81
Table 28 - ECM Condenser Fan Cycling Options
81
VFD Controlled Condenser Fan Startup
82
Operation
83
Thermostat Operation
83
Packaged DX Cooling Operation and Control
83
Gas Heater Operation
83
Electric Heating Operation
84
Steam or Hot Water Preheating and Heating Operation
84
Modulating Electric Preheat
84
Chilled Water or Non-Compressorized DX Cooling Operation
84
Advertisement
AAON RN Series Installation Operation & Maintenance (120 pages)
Packaged Rooftop Units, Heat Pumps, & Outdoor Air Handling Units
Brand:
AAON
| Category:
Heating System
| Size: 5.21 MB
Table of Contents
Table of Contents
3
AAON® RN Series Next Gen RN Features and Options Introduction
8
Safety
9
RN Series - Next Gen RN Feature String Nomenclature
15
General Information
27
Codes and Ordinances
27
Receiving Unit
28
Storage
28
Wiring Diagrams
28
Figure 1 - Lockable Handle
28
Installation
29
Locating Units
29
Table 1 - C Cabinet Unit Clearances
29
Figure 2 - RN Series C Cabinet
29
Setting the Curb
30
Table 2 - D Cabinet Unit Clearances
30
Figure 3 - RN Series D Cabinet
30
Figure 4 - RN Series 26, 31-50, 60, and 70 Ton Unit Isolator Locations
31
Figure 5 - Steel Mounting
31
Forklifting the Unit (11, 13 and 16-30 Ton)
32
Lifting the Unit
32
Figure 6 - Forklifting an RN Series C Cabinet, 11, 13 and 16-30 Tons
32
Figure 7 - Lifting Details of a 11-25 and 30 Ton Standard or Power Exhaust Unit
33
Figure 8 - Lifting Details of a 11-25 and 30 Ton Energy Recovery Wheel or Power Return Unit
33
Figure 9 - Lifting Details of a 26, 31-50, 60 and 70 Ton Unit
34
Duct Connection
35
Seismic Curb Installation
36
Figure 10 - Duct Connection
36
Figure 11 - Solid Bottom Seismic Curb with Filters
37
Figure 12 - Seismic Solid Bottom Curb Without Filters Cross Section
38
Figure 13 - Seismic Solid Bottom Curb Without Filters Detail a
38
Figure 14 - Seismic Solid Bottom Curb Without Filters Detail B
38
Figure 15 - Seismic Rigid Mount Curb
38
Outside Air Rain Hood
39
Figure 16 - 11, 13 and 16-30 Ton Closed Rain Hood
39
Figure 17 - 11, 13 and 16-30 Ton Open Rain Hood
39
Figure 18 - 26 and 31-70 Ton Open Rain Hood
39
Metal Mesh Filters
40
Electrical
40
Figure 19 - Rain Hood with Metal Mesh Filter Rack Installation
40
Table 3 - Nameplate Voltage Markings & Tolerances
40
Figure 20 - Unit Utility Entry
41
Figure 21 - Back View of Power Switch from Compressor and Control Compartment
41
Thermostat Control Wiring
43
Variable Speed Compressors
43
Condensate Drain Piping
43
Table 4 - Variable Speed Compressor Turndown Ratio
43
Table 5 - Control Wiring
43
Draw-Through Coils
44
Figure 22 - Draw-Through Drain Trap
44
Startup
45
Filters
45
Air Flow Monitoring
45
Table 6 - Draw-Through Drain Trap Dimensions
45
Supply Fans
46
Table 7 - Plenum Fan Set Screw Specifications
47
Figure 23 - Supply Fan Banding
47
Figure 24 - Plenum Fan Gap Tolerances
47
Power Return Axial Flow Fans (16-25 and 30 Tons)
48
Figure 25 - Fan with the HUB on the Top and RET on the Bottom
48
Figure 26 - Bushing Mount Location
48
Figure 27 - RET with Pin in Groove 4
48
Power Return and Exhaust Axial Flow Fans (26 and 31-70 Tons)
49
Table 8 - Pin Location
49
Table 9 - Pin Groove Location
49
Figure 28 - Fan HUB and RET Castings
49
Figure 29 - Assembled Fan
50
Figure 30 - Back of the Fan
50
Figure 31 - Pin Groove Location
50
Figure 32 - Pitch Pin Location
50
Figure 33 - Example Pitch Pin
50
Adjusting Refrigerant Charge
51
Checking Liquid Sub-Cooling
51
Checking Evaporator Superheat
51
Table 10 - Acceptable Fin & Tube Air-Cooled Condenser Coil Refrigeration Circuit Values
52
Table 11 - Acceptable Water-Cooled Refrigeration Circuit Values
52
Table 12 - Acceptable Microchannel Air-Cooled Condenser Coil Liquid Sub-Cooling Values
52
Adjusting Sub-Cooling and Superheat Temperatures
53
Freeze Stat Startup
53
Table 13 - R-410A Refrigerant Temperature-Pressure Chart
54
Condenser Fan Electronically Commutated Motor (ECM) Startup
55
VFD Controlled Condenser Fan Startup
55
Table 14 - ECM Condenser Fan Cycling Options
55
Adjustable Fan Cycling Switch Procedure
56
Operation
58
Thermostat Operation
58
Packaged DX Cooling Operation and Control
58
Gas Heater Operation
58
Electric Heating Operation
59
Steam or Hot Water Preheating and Heating Operation
59
Modulating Electric Preheat
59
Chilled Water or Non-Compressorized DX Cooling Operation
59
Maintenance
59
Supply Fans
59
Power Exhaust Motor and Belt Removal
60
Figure 34 - 11-25 and 30 Ton Supply Fan
60
Figure 35 - Bolts Which Connect Motor Mount to Blower Fan
60
DX Cooling
61
Condensate Drain Pans
61
Brazed Plate Heat Exchanger Cleaning
61
E-Coated Coil Cleaning
62
Microchannel Coil Cleaning
63
AAON RN Series Installation Operation & Maintenance (108 pages)
Packaged Rooftop Units & Outdoor Air Handling Units
Brand:
AAON
| Category:
Air Handlers
| Size: 6.92 MB
Table of Contents
Table of Contents
3
AAON ® RN Series E Cabinet Features and Options Introduction
7
Safety
8
RN Series E Cabinet Feature String Nomenclature
16
General Information
27
Receiving Unit
28
Codes and Ordinances
28
Figure 1 - Lockable Handle
28
Storage
29
Wiring Diagrams
29
Installation
29
Locating Units
29
Setting the Curb
30
Table 1 - RN Series E Cabinet Unit Clearances
30
Figure 2 - RN Series E Cabinet
30
Lifting the Unit
31
Figure 3 - Lifting Details of a 75-140 Ton Unit
31
Duct Connection
32
Figure 4 - Duct Connection
32
Outside Air Rain Hood
33
End Flashing Installation
33
Figure 5 - 75-140 Ton Open Rain Hood
33
Figure 6 - Factory Supplied End Flashings
33
Electrical
34
Table 2 - Nameplate Voltage Markings & Tolerances
34
Figure 7 - Motorized Exhaust
34
Table 3 - RN Series E Cabinet 75-145 Ton Dual Point Power Methods
35
Figure 8 - Back View of Utility Entry and Power Switch from Control Compartment
36
Variable Speed Compressors
37
Thermostat Control Wiring
37
Table 4 - 35 KAIC Fuse Sizing
37
Table 5 - RN Series E Cabinet Variable Speed Compressor VFD Frequency Range
37
Condensate Drain Piping
38
Table 6 - Control Wiring
38
Draw-Through Coils
39
Table 7 - Draw-Through Drain Trap Dimensions (Metric)
39
Table 8 - Draw-Through Drain Trap Dimensions (Imperial)
39
Figure 9 - Draw-Through Drain Trap
39
Startup
40
Filters
40
Metal Mesh Filters
40
Airflow Balancing and Checking
40
Air Flow Monitoring
40
Supply Fans
40
Adjusting Refrigerant Charge
41
Table 9 - Plenum Fan Set Screw Specifications
41
Figure 10 - Plenum Fan Gap Tolerances
41
Checking Liquid Sub-Cooling
42
Checking Evaporator Superheat
42
Table 10 - Acceptable Fin & Tube Air-Cooled Condenser Coil Refrigeration Circuit Values
42
Table 11 - Acceptable Fin & Tube Air-Cooled Condenser Coil Refrigeration Circuit Values
42
Table 12 - Acceptable Microchannel Air-Cooled Condenser Coil Liquid Sub-Cooling Values (Metric)
43
Table 13 - Acceptable Microchannel Air-Cooled Condenser Coil Liquid Sub-Cooling Values (Imperial)
43
Adjusting Sub-Cooling and Superheat Temperatures
44
Freeze Stat Startup
44
Table 14 - Minimum Airflow and Room Areas
45
Table 15 - R-454B Refrigerant Temperature-Pressure Chart (Metric)
47
Table 16 - R-454B Refrigerant Temperature-Pressure Chart (Imperial)
48
Condenser Fan Electronically Commutated Motor (ECM) Startup
49
VFD Controlled Condenser Fan Startup
49
Table 17 - ECM Condenser Fan Cycling Options
49
Operation
50
Refrigerant Detection System
50
Thermostat Operation
50
Packaged DX Cooling Operation and Control
51
Gas Heater Operation
51
Electric Heating Operation
51
Steam or Hot Water Preheating and Heating Operation
51
Chilled Water or Non-Compressorized DX Cooling Operation
51
Maintenance
51
Supply Fans
51
DX Cooling
52
Condensate Drain Pans
52
Brazed Plate Heat Exchanger Cleaning
52
E-Coated Coil Cleaning
52
Microchannel Coil Cleaning
54
Refrigerant Removal and Evacuation
56
Options
57
Heating Coils
57
Table 18 - Hot Water Coil & Steam Coil Connection Sizes
57
Table 19 - Preheat Hot Water Coil Connection Sizes
57
Table 20 - Preheat Steam Coil Connection Sizes
57
Chilled Water Coil
58
Packaged Direct Expansion (DX) Units
58
Table 21 - Chilled Water Coil Connection Sizes
58
Table 22 - Min and Max Water Pressures and Temps
58
Evaporator Coil
60
Condenser Fans
60
Figure 11 - Evaporator Coil Access
60
Suction Filter
61
Figure 12 - Removal of a Condenser Fan Assembly
61
Suction Filter Removal Instructions
62
Energy Recovery Units
62
Figure 13 - RPE-48-BD Filter Element
62
Aluminum Energy Recovery Wheel
63
Figure 14 - Aluminum Energy Recovery Wheel
63
Figure 15 - Aluminum ERW Purge Sector Location
64
Polymer Energy Recovery Wheel
65
Figure 16 - Polymer Energy Recovery Wheel
66
Figure 17 - Wheel Segment Removal Pattern
70
Energy Recovery Wheel General Cleaning
72
Table 23 - Energy Recovery Wheel Cleaning Frequency
73
Energy Recovery Wheel Defrost Timer Setting
75
Gas or Electric Heating
75
Figure 18 - Defrost Timer
75
Figure 19 - Temperature Dial
75
Gas Heating
76
Table 24 - Electric and Gas Heating Capacities
76
AAON RN Series Installation Operation & Maintenance (104 pages)
Horizontal Packaged Rooftop Units, Heat Pumps, & Outdoor Air Handling Units
Brand:
AAON
| Category:
Heat Pump
| Size: 1.79 MB
Table of Contents
Table of Contents
3
Safety
8
RN Series Feature String Nomenclature
13
General Information
24
Codes and Ordinances
24
Receiving Unit
25
Figure 1 - Lockable Handle
25
Packaged Direct Expansion (DX) Units
26
Gas or Electric Heating
27
Wiring Diagrams
28
Condensate Drain Pan
28
Installation
28
Locating Units
28
Table 1 - Electric and Gas Heating Capacities
28
Setting the Curb
29
Table 2 - C Cabinet Unit Clearances
29
Figure 2 - RN Series C Cabinet
29
Forklifting the Unit (11, 13 and 16-30 Ton)
31
Lifting the Unit
31
Figure 3 - Forklifting an RN Series A, B and C Cabinet, 11, 13 and 16-30 Ton Tons
31
Figure 4 - Lifting Details of a 11, 13 and 16-30 Ton Tons Ton Standard or Power Exhaust Unit
32
Figure 5 - Lifting Details of a 11, 13 and 16-30 Ton Tons Energy Recovery Wheel or Power Return Unit
32
Duct Connection
33
Figure 6 - Duct Connection
34
Outside Air Rain Hood
35
Figure 7 - 11, 13 and 16-30 Ton
35
Figure 8 - 11, 13 and 16-30 Ton
35
Metal Mesh Filters (11, 13 and 16-30 Ton)
36
Electrical
36
Figure 9 - Rain Hood with Metal Mesh Filter Rack Installation
36
Figure 10 - Unit Utility Entry
37
Figure 11 - Back View of Power Switch from Compressor and Control Compartment
37
Thermostat Control Wiring
38
Gas Heating
39
Table 3 - Control Wiring
39
Table 4 -11, 13, 16-25 and 30 Ton
39
Figure 12 - RN Series Gas Heat Exchanger
40
Table 5 - Natural Gas (Ft 3 /Hr) Maximum Piping Capacities
40
Table 6 - Propane (Kbtu/Hr) Maximum Piping Capacities
40
Gas Pressure Regulator & Overpressure Protection Device
41
Inlet and Manifold Pressures
41
Piping Sizing Examples
41
Piping Supports
41
Table 7 - Gas Piping Supports
41
Additional Gas Piping Considerations
42
Figure 13 - Example 11, 13, 16-25 and 30 Ton through the Base Gas Piping
42
Leak Testing
43
Refrigerant-To-Water Heat Exchanger
43
Water-Source Heat Pump Applications
43
Open Loop Applications
44
Freezing Water in the Heat Exchanger
45
Water Piping
45
Table 8 - Glycol Freezing Points
45
Table 9 - Standard Brazed Plate Heat Exchanger Water Connections
46
Table 10 - SMO 254 Brazed Plate Heat Exchanger Water Connections
46
Condensate Drain Piping
48
Draw-Through Coils
49
Table 11 - Draw-Through Drain Trap Dimensions
49
Figure 14 - Draw-Through Drain Trap
49
Heating Coils
50
Chilled Water Coil
50
Table 12 - Steam Coil Connection Sizes
50
Table 13 - Hot Water Coil Connection Sizes
50
Table 14 - Chilled Water Coil Connection Sizes
50
Electric Preheat
51
Status Display Screens
51
Figure 15 - Preheat Controller
51
System Setting Screens
52
Table 15 - Stages of Electric Preheat
53
LED Flash Alarm Codes
54
Operation
54
Energy Recovery Units
55
Startup
63
Supply Fans
63
Table 16 - Plenum Fan Set Screw Specifications
64
Figure 16 - Supply Fan Banding
64
Power Return Axial Flow Fans (16-25 and 30 Tons)
65
Figure 17 - Plenum Fan Gap Tolerances
65
Figure 18 - Fan with the HUB on the Top and RET on the Bottom
65
Figure 19 - Bushing Mount Location
66
Figure 20 - RET with Pin in Groove 4
66
Figure 21 - Fan HUB and RET Castings
66
Filters
67
Table 17 - Pin Location
67
Table 18 - Pin Groove Location
67
Adjusting Refrigerant Charge
68
Checking Liquid Sub-Cooling
68
Checking Evaporator Superheat
68
Adjusting Sub-Cooling and Superheat Temperatures
69
Table 19 - Acceptable Refrigeration Circuit Values
69
Table 20 - R-410A Refrigerant Temperature-Pressure Chart
70
Gas Heater Instructions
71
Figure 22 - Gas Heater Instructions
71
Condenser Fan Electronically Commutated Motor (ECM) Startup
72
Table 21 - ECM Condenser Fan Cycling Options
72
VFD Controlled Condenser Fan Startup
73
Adjustable Fan Cycling Switch Procedure
74
Operation
76
Thermostat Operation
76
Packaged DX Cooling Operation and Control
77
Gas Heater Operation
77
Electric Heating Operation
77
Steam or Hot Water Preheating and Heating Operation
77
Modulating Electric Preheat
77
Chilled Water or Non-Compressorized DX Cooling Operation
77
AAON RN Series Installation Operation & Maintenance (92 pages)
E Cabinet; Packaged Rooftop Units & Outdoor Air Handling Units
Brand:
AAON
| Category:
Fan
| Size: 4.59 MB
Table of Contents
Table of Contents
3
AAON RN Series E Cabinet Features and Options Introduction
6
Safety
7
RN Series E Cabinet Feature String Nomenclature
13
General Information
23
Codes and Ordinances
24
Receiving Unit
24
Figures
25
Installation
25
Figure 1 - Lockable Handle
25
Locating Units
25
Figure 2 - RN Series E Cabinet
26
Setting the Curb
26
Table 1 - RN Series E Cabinet Unit Clearances
26
Figure 3 - Lifting Details of a 55, 65 and 75-140 Ton Unit
27
Lifting the Unit
27
Duct Connection
28
Figure 4 - Duct Connection
28
End Flashing Installation
29
Figure 5 - 55-140 Ton
29
Figure 6 - Factory Supplied End Flashings
29
Outside Air Rain Hood
29
Electrical
30
Table 2 - Nameplate Voltage Markings & Tolerances
30
Figure 7 - Unit Utility Entry
31
Figure 8 - Back View of Utility Entry and Power Switch from Control Compartment
31
Table 3 - RN Series E Cabinet Variable Speed Compressor VFD Frequency Range
32
Thermostat Control Wiring
32
Variable Speed Compressors
32
Condensate Drain Piping
33
Table 4 - Control Wiring
33
Draw-Through Coils
34
Figure 9 - Draw-Through Drain Trap
34
Table 5 - Draw-Through Drain Trap Dimensions
34
Storage
25
Wiring Diagrams
25
Tables
26
Startup
35
Filters
35
Supply Fans
35
Table 6 - Plenum Fan Set Screw Specifications
35
Figure 10 - Plenum Fan Gap Tolerances
35
Adjusting Refrigerant Charge
36
Checking Evaporator Superheat
36
Checking Liquid Sub-Cooling
36
Adjusting Sub-Cooling and Superheat Temperatures
37
Table 7 - Acceptable Fin & Tube Air-Cooled Condenser Coil Refrigeration Circuit Values
37
Table 8 - Acceptable Microchannel Air-Cooled Condenser Coil Liquid Sub-Cooling Values
37
Freeze Stat Startup
38
Table 9 - R-410A and R-22 Refrigerant Temperature-Pressure Chart
39
Condenser Fan Electronically Commutated Motor (ECM) Startup
40
VFD Controlled Condenser Fan Startup
40
Table 10 - ECM Condenser Fan Cycling Options
40
Operation
41
Thermostat Operation
41
Packaged DX Cooling Operation and Control
41
Gas Heater Operation
41
Electric Heating Operation
42
Steam or Hot Water Preheating and Heating Operation
42
Chilled Water or Non-Compressorized DX Cooling Operation
42
Maintenance
42
Supply Fans
42
DX Cooling
42
Condensate Drain Pans
42
Brazed Plate Heat Exchanger Cleaning
43
E-Coated Coil Cleaning
43
Microchannel Coil Cleaning
44
Options
46
Heating Coils
46
Chilled Water Coil
47
Table 11 - Hot Water Coil & Steam Coil Connection Sizes
47
Table 12 - Preheat Hot Water Coil Connection Sizes
47
Table 13 - Preheat Steam Coil Connection Sizes
47
Table 14 - Chilled Water Coil Connection Sizes
47
Packaged Direct Expansion (DX) Units
48
Evaporator Coil
49
Figure 11 - Evaporator Coil Access
49
Condenser Fans
50
Figure 12 - Removal of a Condenser Fan Assembly
50
Suction Filter
51
Figure 13 - RPE-48-BD Filter Element
51
Suction Filter Removal Instructions
51
Energy Recovery Units
52
Aluminum Energy Recovery Wheel
52
Figure 14 - Aluminum Energy Recovery Wheel
52
Figure 15 - Aluminum ERW Purge Sector Location
53
Figure 16 - Polymer Energy Recovery Wheel
55
Polymer Energy Recovery Wheel
55
Figure 17 - Wheel Segment Removal Pattern
59
Energy Recovery Wheel General Cleaning
62
Table 15 - Energy Recovery Wheel Cleaning Frequency
62
Energy Recovery Wheel Defrost Timer Setting
64
Gas or Electric Heating
64
Figure 18 - Defrost Timer
64
Figure 19 - Temperature Dial
64
Gas Heating
65
Table 16 - Electric and Gas Heating Capacities
65
Table 17 - 55, 65 and 75-140 Ton Gas Connections
65
Figure 20 - RN Series E Cabinet Gas Heat Exchanger
66
Piping Sizing Examples
66
Table 18 - Natural Gas (Ft 3 /Hr) Maximum Piping Capacities
66
Table 19 - Propane (Kbtu/Hr) Maximum Piping Capacities
66
Additional Gas Piping Considerations
67
Gas Pressure Regulator & Overpressure Protection Device
67
Inlet and Manifold Pressures
67
Piping Supports
67
Table 20 - Gas Piping Supports
67
Figure 21 - Example 55, 65 and 75-140 Ton for Across the Roof Gas Piping
69
Leak Testing
70
Figure 22 - Gas Heater Instructions
71
Gas Heater Operating Instructions
71
Gas Heat Exchanger Removal
72
Gas Heating Maintenance
72
Figure 23 - Gas Heat Exchanger
73
Phase and Brownout Protection Module
74
Filter Replacement
76
Table 21 - 55, 65, and 75 Ton Pre Filters
76
Table 22 - 90-140 Ton Pre Filters
76
Table 23 - 55, 65, and 75 Ton Unit Filters
77
Table 24 - 90-140 Ton Unit Filters
77
Table 25 - 55, 65, and 75-140 Ton Exhaust Filters
77
Replacement Parts
78
Figure 24 - RN Series E Cabinet Standard Filter Layouts
78
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