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R-410A
MODELS:
NH-07 Thru -20, 2-Pipe
NJ-10 Thru -20, 4-Pipe
7.5 - 20 Ton, 60 Hertz
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Renewal Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Agency Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Unit Application Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Physical Data Indoor Unit . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Air Discharge Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Unit Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1 Unit Application Data Indoor . . . . . . . . . . . . . . . . . . . . . . . 4
2 Physical Data Indoor Unit . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Minimum Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4 Corner Weights & Center of Gravity NH/NJ Unit . . . . . . . 9
5 Accessory Operating Weight Distribution (Lbs) . . . . . . . 10
6 Electrical Data - Electric Heat . . . . . . . . . . . . . . . . . . . . . 16
7 Altitude/Temperature Correction Factors . . . . . . . . . . . . 19
8 Example Supply Air Blower Performance . . . . . . . . . . . . 20
9 RPM Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
10 NH-07 Upflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
11 NH-07 Horizontal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
1 Vertical Airflow Arrangements . . . . . . . . . . . . . . . . . . . . . 6
2 Horizontal Airflow Arrangements . . . . . . . . . . . . . . . . . . . 6
3 Typical Cabinet Clamp Assembly . . . . . . . . . . . . . . . . . . 6
4 Typical Suspension of AHU's From Ceiling . . . . . . . . . . . 8
5 Suggested Method For Connecting Ductwork . . . . . . . . 10
6 Recommended Drain Piping . . . . . . . . . . . . . . . . . . . . . 11
7 Typical Field Wiring Diagram - NH-07 Unit . . . . . . . . . . 14
9 NH/NJ-10 Thru -20 Liquid Line Solenoid Wiring . . . . . . 15
10 Altitude/Temperature Correction Factors . . . . . . . . . . . . 19
TABLE OF CONTENTS
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Duct Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Refrigerant Mains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Expansion Valve Bulb Installation . . . . . . . . . . . . . . . . . . . 13
Air System Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Electrical Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Airflow Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Airflow Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Twin Belt Drive Adjustment . . . . . . . . . . . . . . . . . . . . . . . . 29
Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Typical Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Air Handling Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
LIST OF TABLES
12 NH/NJ-10 Upflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
13 NH/NJ-10 Horizontal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
14 NH/NJ-15 Upflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
15 NH/NJ-15 Horizontal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
16 NH/NJ-20 Upflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
17 NH/NJ-20 Horizontal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
18 RPM Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
19 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . 26
20 Blower Motor And Drive Data . . . . . . . . . . . . . . . . . . . . . 27
21 Unit Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
LIST OF FIGURES
11 Hole Location For Pressure Drop Reading . . . . . . . . . . 27
Air CFM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
13 Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
14 Double Groove Pulley . . . . . . . . . . . . . . . . . . . . . . . . . . 29
15
Unit Dimensions NH-07 Thru -10 & NJ-10 . . . . . . . . . . 31
16 Unit Dimensions NH/NJ-15 . . . . . . . . . . . . . . . . . . . . . . 32
17 Unit Dimensions NH/NJ-20 . . . . . . . . . . . . . . . . . . . . . . 33
18 Typical Horizontal Configuration . . . . . . . . . . . . . . . . . . 34
520413-BIM-A-0209
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Related Manuals for Johnson Controls NH-07 Series
Summary of Contents for Johnson Controls NH-07 Series
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Page 1: Table Of Contents
R-410A MODELS: NH-07 Thru -20, 2-Pipe NJ-10 Thru -20, 4-Pipe 7.5 - 20 Ton, 60 Hertz TABLE OF CONTENTS General ......... . 2 Mounting . -
Page 2: General
This instruction covers the installation and operation of evapo- rator blower units. For information on the operation of matching condensing units, refer to Installation Manual - 430646 for cool- ing units and Installation Manual - 430647 for heat pumps. Johnson Controls Unitary Products... -
Page 3: Nomenclature
AA = None X = 575-3-60 C00 = Cooling Only Airflow B = 1.5 HP Motor C = 2.0 HP Motor D = 3 HP Motor E = 5 HP Motor F = 7.5 HP Motor Johnson Controls Unitary Products... -
Page 4: Unit Application Data
208/230-3-60 6,000 10,000 65/57 90/77 NJ-20 460-3-60 6,000 10,000 65/57 90/77 575-3-60 6,000 10,000 65/57 90/77 1. Heating Min/Max temperatures apply to steam and hot water coils. NOTE: Do not apply steam to hot water coils. Johnson Controls Unitary Products... -
Page 5: Physical Data Indoor Unit
Remove the bolts and clamp angles that hold the coil section and blower section together. Place the panel removed in Step 1 on top of the blower section and screw together. Set the blower section aside. Remove the evaporator section rear panel and set aside. Johnson Controls Unitary Products... -
Page 6: Vertical Airflow Arrangements
POSITION Figure 2: Horizontal Airflow Arrangements 3/8” x 1 1/4” Bolt Clamp See Detail A Detail A Bolt Lock Flat Washer Detail B Cabinet Clamp Assembly Typical Cabinet Clamp Assembly Figure 3: Typical Cabinet Clamp Assembly Johnson Controls Unitary Products... -
Page 7: Unit Installation
A 24-inch clearance is required on the end with the piping connections and the supply air blower motor to properly service and maintain the unit. Some clearance will also be required for the duct and power wire connections. Johnson Controls Unitary Products... -
Page 8: Typical Suspension Of Ahu's From Ceiling
All END VIEW MOUNTING DETAIL All Thread Steel Rod Mounting Bracket Flat Washer / Lock Washer and Nut Steel C- channel SIDE VIEW Figure 4: Typical Suspension of AHU’s From Ceiling Johnson Controls Unitary Products... -
Page 9: Corner Weights & Center Of Gravity Nh/Nj Unit
NH/NJ-20 High Static Mtr. and Drv. 124 135 148 162 148 136 LEFT LEFT WIDTH WIDTH FRONT REAR REAR FRONT DIM Y DIM Y DIM X DIM X LENGTH LENGTH RIGHT RIGHT HORIZONTAL POSITION VERTICAL POSITION Johnson Controls Unitary Products... -
Page 10: Accessory Operating Weight Distribution (Lbs)
Non-flammable material collars should be used to minimize the transmission of noise and/or vibration. DUCT TRANSITION NON-FLAMMABLE COLLAR DUCT 24" OUTLET FLANGED DUCT CONNECTION BLOWER (Factory Furnished, GASKETS Field Installed ) (BY INSTALLER) Figure 5: Suggested Method For Connecting Ductwork Johnson Controls Unitary Products... -
Page 11: Recommended Drain Piping
Installation Manual and the piping applications bulletin also be insulated. Never solder suction and liquid lines 247077 or call the applications department for Unitary together. They can be taped together for convenience and Products @ 1-877-UPG-SERV for guidance. Johnson Controls Unitary Products... - Page 12 Wrap the valve body with a wet rag to prevent overheating during the brazing process. Overheating the valve will damage the valve seals. Unbraze the sealing disk, cool the valve body and prepare the joint for Johnson Controls Unitary Products...
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Page 13: Expansion Valve Bulb Installation
(COUNTER-CLOCKWISE) position prior to the unit’s operation. The sequence of operation applies to the PC/PD and YC/YD condensing units and NH/NJ air handlers when applied as a matched system. Non-matched systems will have to be field Johnson Controls Unitary Products... -
Page 14: Typical Field Wiring Diagram - Nh-07 Unit
520413-BIM-A-0209 S1 G1 S2 S1 G1 S2 SINGLE STAGE THERMOSTAT Figure 7: Typical Field Wiring Diagram - NH-07 Unit Johnson Controls Unitary Products... -
Page 15: Typical Field Wiring Diagram - Nh/Nj-10 Thru -20 Unit 15 9 Nh/Nj-10 Thru -20 Liquid Line Solenoid Wiring
520413-BIM-A-0209 S1 G1 S2 S1 G1 S2 Figure 8: Typical Field Wiring Diagram - NH/NJ-10 Thru -20 Unit Figure 9: NH/NJ-10 Thru -20 Liquid Line Solenoid Wiring Johnson Controls Unitary Products... -
Page 16: Electrical Data - Electric Heat
100.8 None 10 KW 12.0 19.2 460-3-60 16 KW 19.2 26.4 26 KW 31.3 38.5 36 KW 43.3 50.5 None 10 KW 15.0 575-3-60 16 KW 15.4 20.8 26 KW 25.0 30.4 36 KW 34.6 40.0 Johnson Controls Unitary Products... - Page 17 77.0 108.5 52 KW 125.1 156.6 None 15.8 20 KW 24.1 39.8 460-3-60 32 KW 38.5 54.2 52 KW 62.5 78.3 None 11.7 20 KW 19.2 30.9 575-3-60 32 KW 30.8 42.5 52 KW 50.0 61.7 Johnson Controls Unitary Products...
- Page 18 Air density correction factors are shown in Table 7 and Figure 10. Johnson Controls Unitary Products...
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Page 19: Altitude/Temperature Correction Factors
Corrected BHP = 4.0 x 0.832 = 3.328 Example 2: A system, located at 5,000 feet of elevation, is to deliver 6,000 CFM at a static pressure of 1.5". Use the unit blower tables to select the blower speed and the BHP requirement. Johnson Controls Unitary Products... -
Page 20: Example Supply Air Blower Performance
Motor Blower 6 Turns 5 Turns 4 Turns 3 Turns 2 Turns 1 Turn Fully Unit Model Sheave Sheave Open Open Open Open Open Open Closed Std. 1.73 1VL40 AK69 2.30 1VL40 AK56 1062 1128 1194 Johnson Controls Unitary Products... -
Page 21: Upflow
1. Airflow performance includes dry evaporator coil. See Static Resistance table for additional applications. 2. See RPM Selection table to determine desired motor sheave setting and to determine the maximum continuous BHP. 3. kW = BHP x 0.746 ÷ nameplate rated motor efficiency. Johnson Controls Unitary Products... -
Page 22: Nh/Nj-10 Upflow
1. Airflow performance includes dry evaporator coil. See Static Resistance table for additional applications. 2. See RPM Selection table to determine desired motor sheave setting and to determine the maximum continuous BHP. 3. kW = BHP x 0.746 ÷ nameplate rated motor efficiency. Johnson Controls Unitary Products... -
Page 23: Nh/Nj-15 Upflow
1. Airflow performance includes dry evaporator coil. See Static Resistance table for additional applications. 2. See RPM Selection table to determine desired motor sheave setting and to determine the maximum continuous BHP. 3. kW = BHP x 0.746 ÷ nameplate rated motor efficiency. Johnson Controls Unitary Products... -
Page 24: Nh/Nj-20 Upflow
1. Airflow performance includes dry evaporator coil. See Static Resistance table for additional applications. 2. See RPM Selection table to determine desired motor sheave setting and to determine the maximum continuous BHP. 3. kW = BHP x 0.746 ÷ nameplate rated motor efficiency. Johnson Controls Unitary Products... -
Page 25: Rpm Selection
1VL40 AK56 1062 1128 1194 Std. 2.30 1VL40 AK74 NH/NJ-10 3.45 1VP56 AK84 1035 1078 1121 Std. 3.45 1VP50 AK114 NH/NJ-15 5.75 2VP50 2B5V94 Std. 5.75 2VP50 2B5V94 NH/NJ-20 8.63 2VP65 2B5V94 1031 1067 1103 1138 Johnson Controls Unitary Products... -
Page 26: Additional Static Resistance
0.07 0.11 9250 0.01 0.22 0.04 0.08 0.12 9500 0.00 0.23 0.04 0.08 0.13 9750 0.00 0.24 0.04 0.09 0.13 10000 0.00 0.25 0.04 0.09 0.14 1. Pressure drop added by condensate over a dry coil. Johnson Controls Unitary Products... -
Page 27: Blower Motor And Drive Data
After readings have been obtained, remove the tubes and seal up the drilled holes in the side panel. 5/16 inch dot plugs (P/N 029-12880) are available through normal York parts ordering procedures. Johnson Controls Unitary Products... -
Page 28: Pressure Drop Across A Dry Indoor Coil Vs. Supply Air Cfm
A DRY INDOOR COIL VS. SUPPLY AIR CFM 0.60 0.50 0.40 NH/NJ-20 NH/NJ-10 NH/NJ-15 0.30 0.20 NH-07 0.10 0.00 Thousands NOMINAL CFM SUPPLY AIR Figure 12: Pressure Drop Across A Dry Indoor Coil vs. Supply Air CFM Johnson Controls Unitary Products... -
Page 29: Twin Belt Drive Adjustment
25% of its length beyond end of motor shaft. Always align twin groove pulleys using the stationary web. The blower motor pulleys are adjustable by half turns. Select required RPM from table 5 and adjust pulley. Johnson Controls Unitary Products... -
Page 30: Sequence Of Operation
Two appropriately sized indoor units can operate with a single, 4-pipe condensing unit. Each indoor unit must be controlled by a single-stage thermostat. One thermostat will connect to Y1 on the condensing unit Simplicity™ control board and the other thermostat will connect to Y2. Johnson Controls Unitary Products... -
Page 31: Unit Dimensions Nh-07 Thru -10 & Nj-10
3/4 PVC PIPE CONNECTIONS 53.44 2.00 56.16 FRONT VIEW - RETURN AIR RIGHT SIDE VIEW - DRAIN PIPING/CONTROLS NH-07 / -10 & NJ-10 INDOOR *SYSTEM 1 USED FOR 2-PIPE DIMENSIONS Figure 15: Unit Dimensions NH-07 Thru -10 & NJ-10 Johnson Controls Unitary Products... -
Page 32: Unit Dimensions Nh/Nj-15
2.00 1.42 DRAIN CONNECTION 6.54 2.00 71.94 3/4 PVC PIPE CONNECTIONS 74.66 FRONT VIEW - RETURN AIR RIGHT SIDE VIEW - DRAIN PIPING/CONTROLS NH/NJ-15 INDOOR *SYSTEM 1 USED FOR 2-PIPE DIMENSIONS Figure 16: Unit Dimensions NH/NJ-15 Johnson Controls Unitary Products... -
Page 33: Unit Dimensions Nh/Nj-20
SYSTEM 1* 95.94 2.00 1.42 98.66 DRAIN CONNECTION 6.54 FRONT VIEW - RETURN AIR 3/4 PVC PIPE CONNECTIONS NH/NJ-20 INDOOR RIGHT SIDE VIEW - DRAIN PIPING/CONTROLS *SYSTEM 1 USED FOR 2-PIPE DIMENSIONS Figure 17: Unit Dimensions NH/NJ-20 Johnson Controls Unitary Products... -
Page 34: Typical Horizontal Configuration
520413-BIM-A-0209 HORIZONTAL VIEW 30.00 35.00 60.00 61.09 TYPICAL NH-07, -10, -20 and NJ-10, -20 HORIZONTAL CONFIGURATION 33.00 42.00 33.00 66.00 67.09 TYPICAL NH/NJ-15 HORIZONTAL CONFIGURATION Figure 18: Typical Horizontal Configuration Johnson Controls Unitary Products... -
Page 35: Unit Connections
15.6 18.6 18.6 21.6 21.6 18.6 18.6 RETURN AIR INLET Width 20.3 20.3 20.3 27.3 27.3 20.3 20.3 Length 53.4 53.4 53.4 71.9 71.9 95.9 95.9 1. 1 in. blower duct flange shipped with air handler. Johnson Controls Unitary Products... -
Page 36: Typical Wiring Diagrams
520413-BIM-A-0209 Typical Wiring Diagrams Air Handling Units Typical NH-07 Wiring Diagram Johnson Controls Unitary Products... - Page 37 520413-BIM-A-0209 Typical NH/NJ-10 Thru -20 Wiring Diagram Johnson Controls Unitary Products...
- Page 38 520413-BIM-A-0209 Johnson Controls Unitary Products...
- Page 39 520413-BIM-A-0209 Johnson Controls Unitary Products...
- Page 40 Subject to change without notice. Printed in U.S.A. 520413-BIM-A-0209 Copyright © 2009 by Johnson Controls, Inc. All rights reserved. Supersedes: Nothing Johnson Controls Unitary Products 5005 York Drive Norman, OK 73069...
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