Carrier 17, 19EX User Manual

17/19EX 50/60 Hz Centrifugal Liquid Chillers with HFC-134a

Installation Instructions

SAFETY CONSIDERATIONS

Centrifugal liquid chillers are designed to provide safe and reliable service when operated within design speci®cations. When operating this equipment, use good judgment and safety precautions to avoid damage to equipment and property or injury to personnel.

Be sure you understand and follow the procedures and safety precautions contained in the machine instructions, as well as those listed in this guide.

DO NOT VENT refrigerant relief devices within a building. Outlet from rupture disc or relief valve must be vented outdoors in accordance with the latest edition of ASHRAE (American Society of Heating, Refrigeration and Air Conditioning Engineers) 15. The accumulation of refrigerant in an enclosed space can displace oxygen and cause asphyxiation.

PROVIDE adequate ventilation in accordance with ASHRAE 15, especially for enclosed and low overhead spaces. Inhalation of high concentrations of vapor is harmful and may cause heart irregularities, unconsciousness, or death. Intentional misuse can be fatal. Vapor is heavier than air and reduces the amount of oxygen available for breathing. Product causes eye and skin irritation. Decomposition products are hazardous.

DO NOT USE OXYGEN to purge lines or to pressurize a machine for any purpose. Oxygen gas reacts violently with oil, grease, and other common substances.

DO NOT USE air to leak test. Use only refrigerant or dry nitrogen.

NEVER EXCEED speci®ed test pressures. VERIFY the allowable test pressure by checking the instruction literature and the design pressures on the equipment nameplate.

DO NOT VALVE OFF any safety device.

BE SURE that all pressure relief devices are properly installed and functioning before operating any machine.

DO NOT WELD OR FLAMECUT any refrigerant line or vessel until all refrigerant (liquid and vapor) has been removed from chiller. Traces of vapor should be displaced with dry air or nitrogen and the work area should be well ventilated. Refrigerant in contact with an open ¯ame produces toxic gases.

DO NOT USE eyebolts or eyebolt holes to rig machine sections or the entire assembly.

DO NOT work on high-voltage equipment unless you are a quali®ed electrician.

DO NOT WORK ON electrical components, including control panels, switches, starters, or oil heater until you are sure ALL POWER IS OFF and no residual voltage can leak from capacitors or solid-state components.

LOCK OPEN AND TAG electrical circuits during servicing. IF WORK IS INTERRUPTED, con®rm that all circuits are deenergized before resuming work.

AVOID SPILLING liquid refrigerant on skin or getting it into the eyes. USE SAFETY GOGGLES. Wash any spills from the skin with soap and water. If liquid refrigerant enters the eyes, IMMEDIATELY FLUSH EYES with water and consult a physician.

NEVER APPLY an open ¯ame or live steam to a refrigerant cylinder. Dangerous over pressure can result. When it is necessary to heat refrigerant, use only warm (110 F [43 C]) water.

DO NOT REUSE disposable (nonreturnable) cylinders or attempt to re®ll them. It is DANGEROUS AND ILLEGAL. When cylinder is emptied, evacuate remaining gas pressure, loosen the collar, and unscrew and discard the valve stem. DO NOT INCINERATE.

CHECK THE REFRIGERANT TYPE before adding refrigerant to the machine. The introduction of the wrong refrigerant can cause machine damage or malfunction.

Operation of this equipment with refrigerants other than those cited herein should comply with ASHRAE-15 (latest edition). Contact Carrier for further information on use of this machine with other refrigerants.

DO NOT ATTEMPT TO REMOVE ®ttings, covers, etc., while machine is under pressure or while machine is running. Be sure pressure is at 0 psig (0 kPa) before breaking any refrigerant connection.

CAREFULLY INSPECT all relief valves, rupture discs, and other relief devices AT LEAST ONCE A YEAR. If machine operates in a corrosive atmosphere, inspect the devices at more frequent intervals.

DO NOT ATTEMPT TO REPAIR OR RECONDITION any relief valve when corrosion or build-up of foreign material (rust, dirt, scale, etc.) is found within the valve body or mechanism. Replace the valve.

DO NOT install relief devices in series or backwards.

USE CARE when working near or in line with a compressed spring. Sudden release of the spring can cause it and objects in its path to act as projectiles.

DO NOT STEP on refrigerant lines. Broken lines can whip about, and release refrigerant, causing personal injury.

DO NOT climb over a machine. Use platform, catwalk, or staging. Follow safe practices when using ladders.

USE MECHANICAL EQUIPMENT (crane, hoist, etc.) to lift or move inspection covers or other heavy components. Even if components are light, use mechanical equipment when there is a risk of slipping or losing your balance.

BE AWARE that certain automatic start arrangements CAN ENGAGE THE STARTER, TOWER FAN OR PUMPS. Open the disconnect ahead of the starter, tower fan, and pumps. Shut off the machine or pump before servicing equipment.

USE only repaired or replacement parts that meet the code requirements of the original equipment.

DO NOT VENT OR DRAIN waterboxes containing industrial brines, liquid, gases, or semisolids without the permission of your process control group.

DO NOT LOOSEN waterbox cover bolts until the waterbox has been completely drained.

DOUBLE-CHECK that coupling nut wrenches, dial indicators, or other items have been removed before rotating any shafts.

DO NOT LOOSEN a packing gland nut before checking that the nut has a positive thread engagement.

PERIODICALLY INSPECT all valves, ®ttings, and piping for corrosion, rust, leaks, or damage.

PROVIDE A DRAIN connection in the vent line near each pressure relief device to prevent a build-up of condensate or rain water.

Manufacturer reserves the right to discontinue, or change at any time, speci®cations or designs without notice and without incurring obligations.

Book	2	2		PC 211	Catalog No. 531-749	Printed in U.S.A.	Form 17/19EX-2SI	Pg 1	3-96	Replaces: 17/19EX-1SI
Tab	5a	5d

CONTENTS

Page

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 1

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Job Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . 2

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30

Receiving the Machine . . . . . . . . . . . . . . . . . . . . . . . 2

·INSPECT SHIPMENT

·IDENTIFY MACHINE

·PROVIDE MACHINE PROTECTION

Rigging the Machine . . . . . . . . . . . . . . . . . . . . . . . . . 2

·RIG MACHINE ASSEMBLY

·RIG MACHINE COMPONENTS

·COMPONENT DISASSEMBLY

Install Machine Supports . . . . . . . . . . . . . . . . . . . . 14

·INSTALL STANDARD ISOLATION

·INSTALL OPTIONAL ISOLATION

·INSTALL SPRING ISOLATION

Connect Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

·INSTALL WATER PIPING TO HEAT EXCHANGERS

·INSTALL WATER TO OIL COOLER ON FA COMPRESSORS

·INSTALL VENT PIPING TO RELIEF DEVICES

Make Electrical Connections . . . . . . . . . . . . . . . . . 20

·CONNECT CONTROL INPUTS

·CONNECT CONTROL OUTPUTS

·CARRIER COMFORT NETWORK INTERFACE

Install Field Insulation . . . . . . . . . . . . . . . . . . . . . . . 28 · FACTORY INSULATION (OPTIONAL)

INSTALLATION START-UP REQUEST

CHECKLIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CL-1

INTRODUCTION

General Ð The 17/19EX machine is factory assembled, wired, and leak tested. Installation consists primarily of establishing water and electrical services to the machine. The rigging, installation, ®eld wiring, ®eld piping and insulation are the responsibility of the contractor and/or customer. See Fig. 1 for model number information.

Job Data

Necessary information consists of:

·job contract or speci®cations

·machine location prints

·rigging information

·piping prints and details

·®eld wiring drawings

·starter manufacturer's installation details

·Carrier certi®ed drawings

Equipment Required

·mechanic's tools (refrigeration)

·volt-ohmmeter and clamp-on ammeter

·leak detector (halide or electronic)

·absolute pressure manometer or wet-bulb vacuum indicator

·portable vacuum pumps

INSTALLATION

Receiving the Machine

INSPECT SHIPMENT

Do not open any valves or loosen any connections. The standard 17/19EX machine may be shipped with a nitrogen holding charge or with the refrigerant charge isolated within the utility vessel.

1.Inspect for shipping damage while machine is still on shipping conveyance. If machine appears to be damaged or has been torn loose from its anchorage, have it examined by transportation inspectors before removal. Forward claim papers directly to transportation company. Manufacturer is not responsible for any damage incurred in transit.

2.Check all items against shipping list. Immediately notify the nearest Carrier representative if any item is missing.

3.To prevent loss or damage, leave all parts in original packages until beginning installation. All openings are closed with covers or plugs to prevent dirt and debris from entering the machine's components during shipping. A full operating oil charge is placed in the oil sump of the compressor before shipment.

IDENTIFY MACHINE Ð The machine model number, serial number, and heat exchanger sizes are stamped on machine identi®cation nameplate (Fig. 1). Check this information against shipping papers and job data.

PROVIDE MACHINE PROTECTION Ð Protect machine and starter from construction dirt and moisture. Keep protective shipping covers in place until machine is ready for installation.

If machine is exposed to freezing temperatures after water circuits have been installed, open waterbox drains and remove all water from cooler and condenser. Leave drains open until system is ®lled.

Rigging the Machine Ð The 17/19EX machine can be rigged as an entire assembly. It also has ¯anged connections that allow the compressor, utility vessel, cooler, and condenser sections to be separated for ease of installation. Figures 2 and 3 show 17/19EX components.

RIG MACHINE ASSEMBLY Ð See rigging instructions on label attached to machine. Also refer to the rigging information found in Fig. 4-9 and Tables 1-12. Lift machine only from the 4 points indicated in rigging guide. Each lifting cable or chain must be capable of supporting the entire weight of the machine.

Lifting machine from points other than those speci®ed may result in serious damage to the unit and personal injury. Rigging equipment and procedures must be adequate for machine weight. See Table 1 for machine weights.

NOTE: These weights are broken down into component sections for use when installing the unit in sections. For the complete machine weight, add all component sections and refrigerant charge together. Total machine weight is also stenciled on the cooler and condenser sections.

2

NIH Ð Nozzle-In-Head

*Motors beginning with ``E'' and open drive motors (FA-JD) cannot be used with size 51-89 or 421-469 compressors. ²Open-drive motor codes:

ASME	UNDERWRITERS'	ARI (Air Conditioning
`U' STAMP	LABORATORIES	and Refrigeration
		Institute)
		PERFORMANCE
		CERTIFIED
		(60 Hz Only)

Fig. 1 Ð Model Number Identi®cation

3

RIG MACHINE COMPONENTS Ð Refer to instructions on page 5, Fig. 6-8, and Carrier certi®ed drawings for machine component disassembly.

IMPORTANT: Only a quali®ed service technician should disassemble and reassemble the machine. After reassembly, the machine must be dehydrated and leak tested.

When rigging components separately, the open drive (17EX) motor must be removed to avoid overturning.

Do not attempt to disconnect ¯anges while the machine is under pressure. Failure to relieve pressure can result in personal injury or damage to the unit.

Before rigging the compressor, disconnect the wires leading from the power panel to the control center at the power panel.

NOTE: Wiring for sensors must be disconnected. Label each wire before removal (see Carrier certi®ed drawings).

Detach all transducer and sensor wires at the sensor, then clip all wire ties necessary to remove the wires from the heat exchangers.

19EX

					LEGEND
1	Ð Refrigerant Liquid Line to Economizer/		15	Ð	Motor Sight Glass (Not Shown)	27	Ð	Oil Cooler
		Storage Vessel	16	Ð	Oil Filter	28	Ð	Isolation Valves (Not Shown)
2	Ð	Cooler Suction Pipe	17	Ð	Oil Level Sight Glasses (2)	29	Ð	Refrigerant Filter Drier
3	Ð	Compressor Suction Elbow	18	Ð	Cooler Relief Valves (Not Shown)	30	Ð	Local Interface Display Control Panel
4	Ð	Condenser	19	Ð	Oil Heater (Not Shown)	31	Ð	Economizer/Storage Vessel
5	Ð	Condenser Discharge Pipe	20	Ð	Auxiliary Power Panel	32	Ð	Rigging Guide (Not Shown)
6	Ð	Compressor Discharge Elbow	21	Ð	(Field Wiring Terminals)	33	Ð	Economizer/Storage Vessel
7	Ð	Guide Vane Actuator			Pumpdown Unit (Not Shown)	34	Ð	Relief Valves
8	Ð Economizer Gas Line to Compressor		22	Ð	Low-Side Float Box Cover			Cooler
9	Ð	Gear Inspection Cover	23	Ð	Refrigerant Liquid Line to Cooler	35	Ð	High-Side Float Box Cover
10	Ð	2-Stage Hermetic Compressor	24	Ð	Oil Drain and Charging Valve	36	Ð	Take-Apart Connections
11	Ð Condenser Waterbox Vent (Not Shown)		25	Ð	Oil Pump	37	Ð	Cooler Waterbox Vent
12	Ð	Condenser Marine Waterbox	26	Ð	Refrigerant Charging/Service	38	Ð	Cooler Marine Waterbox
13	Ð	Hermetic Compressor Motor			Valve 10 (Not Shown)	39	Ð	Cooler Waterbox Drain
14	Ð Compressor Motor Terminal Box					40	Ð	Condenser Waterbox Drain
		(Not Shown)

Fig. 2 Ð Typical 19EX Installation

4

COMPONENT DISASSEMBLY

To Separate Compressor from the Machine

1.Make sure to check that the machine is at atmospheric pressure before disassembly.

2.Since the center of gravity is high on 17EX machines, the motor MUST be removed before rigging the machine.

3.Suction elbow should be rigged separately (Fig. 6, Item 2). Place slings around the elbow and attach to the hoist. Remove bolting at ¯anges, (Fig. 6, Items 1 and 3). Detach the elbow.

4.Unbolt discharge ¯ange to the condenser at ¯ange (Fig. 8, Item 3). Cut copper lines (Fig. 6, Items 7, 8, and 9).

5. Disconnect and detach the economizer vent line (Fig. 8, Item 4). Unbolt the line at ¯ange (Fig. 8, Item 2).

6.On 19EX machines, disconnect the motor cooling drain line at ¯ange (Fig. 8, Item 5).

7.Disconnect wiring to the control center and power panel.

8.Connect rigging to the compressor.

9.Unbolt compressor from the utility vessel (Fig. 7, Items 2, 4, and 5).

10.Hoist the compressor off of the unit.

11.If the compressor is to be transported or set down, the base should be bolted to sections of 4 in. x 6 in. lumber.

To Separate Condenser from the Machine

1.Unbolt ¯ange (Fig. 6, Item 3).

2.Unbolt ¯ange (Fig. 6, Item 4).

3.Cut copper pipe (Fig. 6, Item 7).

4.Unbolt hot ¯ange (Fig. 7, Item 1).

5.Connect rigging to all corners of the condenser.

6.Unbolt condenser feet (Fig. 8, Items 1 and 6).

					LEGEND
1	Ð	Condenser	15	Ð	Refrigerant Liquid Line to Cooler	27	Ð	Pumpout Unit
2	Ð	Cooler Suction Pipe	16	Ð	Power Panel (Field Wiring Terminals)	28	Ð	High Side Float Box Cover
3	Ð	Compressor Suction Elbow	17	Ð	Oil Level Sight Glasses	29	Ð	Cooler
4	Ð	Guide Vane Actuator	18	Ð	Oil Drain and Charging Valve	30	Ð	Cooler Waterbox Drain
5	Ð	Condenser Discharge Pipe	19	Ð	Oil Heater (Hidden)	31	Ð	Take-Apart Connections (Typical)
6	Ð	Oil Filter (Hidden)	20	Ð	Oil Pump	32	Ð	Cooler Marine Waterbox Cover
7	Ð	Two-Stage Compressor	21	Ð	Refrigerant Charging/Service Valve	33	Ð	Cooler Waterbox
8	Ð	Compressor Discharge Elbow			10 (Not Shown)	34	Ð	Cooler Waterbox Vent
9	Ð	Gear Inspection Cover	22	Ð	Cooler Relief Valves (Not Shown)	35	Ð	Condenser Waterbox Drain
10	Ð Economizer Gas Line to Compressor		23	Ð	Economizer/Storage Vessel	36	Ð	Refrigerant Liquid Line to
11	Ð Open Drive Compressor Motor		24	Ð	Oil Cooler			Economizer/Storage Vessel
12	Ð Compressor Motor Terminal Box		25	Ð	Control Center	37	Ð	Condenser Waterbox Vent
13	Ð	Coupling Guard	26	Ð	Economizer/Storage Vessel
14	Ð Low-Side Float Box Cover				Relief Valves

Fig. 3 Ð Typical 17EX Installation

5

NOTES:

1. Each chain must be capable of supporting the maximum weight of the machine.

2. = the approximate center of gravity.

3. Maximum possible weight is 88,500 lb (40 166 kg) which includes a maximum of 6,000 lb (2 721 kg) of HFC-134a refrigerant in the storage tank.

17EX FRONT VIEW

																		LIFTING
	VESSEL		MAXIMUM						CHAIN LENGTH									HEIGHT				CENTER OF GRAVITY
COOLER	LENGTH		WEIGHT		LIFTING													FROM FLOOR				APPROXIMATE LOCATION
																		``E''
SIZE					ANGLE
	ft-in.	mm	lb	kg		``A''			``B''			``C''			``D''			ft-in.		mm	``F''		``G''		``H''
						ft-in.		mm	ft-in.		mm	ft-in.	mm		ft-in.		mm				ft-in.	mm	ft-in.	mm	ft-in.	mm
					30°	10- 3		3124	9-0		2743	16-1		4902	13-6		4115	16-11		5156
45-48
	17-0	5182	88,550	40 166	45°	12- 7		3835	11-7		3531	19-1		5817	16-9		5105	20- 8		6299	4-1	1245	9-1	2769	4-9	1448
					60°	17-10		5436	17-1		5207	24-9		7544	22-8		6909	27- 3		8306

Fig. 4 Ð 17EX Machine Rigging Guide

NOTES:

1. Each chain must be capable of supporting the maximum weight of the machine.

2. = the approximate center of gravity.

3. Maximum possible weight is 78,700 lb (35,698 kg) which includes a maximum of 6,000 lb (2,268 kg) of HFC-134a in the storage tank.

19EX FRONT VIEW

																		LIFTING
	VESSEL		MAXIMUM							CHAIN LENGTH								HEIGHT				CENTER OF GRAVITY
COOLER	LENGTH		WEIGHT		LIFTING													FROM FLOOR				APPROXIMATE LOCATION
																		``E''
SIZE					ANGLE
	ft-in.	mm	lb	kg		``A''			``B''			``C''			``D''			ft-in.		mm	``F''		``G''		``H''
						ft-in.		mm	ft-in.		mm	ft-in.	mm		ft-in.		mm				ft-in.	mm	ft-in.	mm	ft-in.	mm
					30°	7-2		1880	7-2		1880	11-11		3632	11-1		3378	13-7		4140
31-33
	12-3	3734	55,000	24 948	45°	8-9		2667	8-9		2667	14- 0		4267	13-4		4064	16-2		4928	3-10	1168	6-1	1854	4-6	1372
					60°	12-5		3785	12-5		3785	18- 0		5486	17-6		5334	20-9		6325
					30°	6-7		2007	6-9		2057	13- 0		3962	12-2		3708	15-1		4597
41-44
	12-3	3734	70,000	31 752	45°	8-0		2438	8-3		2515	14-11		4547	14-3		4343	17-5		5309	4- 0	1219	6-0	1829	4-8	1422
					60°	11-4		3454	11-6		3505	18- 7		5664	18-0		5486	21-7		6579
					30°	9-1		2769	9-6		2896	15- 1		4597	14-7		4445	16-4		4978
45-48
	17-0	5182	78,700	35 698	45°	11-1		3378	11-6		3505	17- 9		5410	17-4		5283	19-8		5994	3-10	1168	8-3	2515	4-8	1422
					60°	15-9		4800	16-0		4877	22-10		6960	22-6		6858	25-5		7747

Fig. 5 Ð 19EX Machine Rigging Guide

6

NOTE: Item numbers are referenced in Rigging the Machine, Component Disassembly section.

Fig. 6 Ð Typical Top View (19EX Shown)

NOTE: Item numbers are referenced in Rigging the Machine, Component Disassembly section.

Fig. 7 Ð Typical Side View (19EX Shown)

7

NOTE: Item numbers are referenced in Rigging the Machine, Component Disassembly section.

Fig. 8 Ð Typical Motor End View (19EX Shown)

To Separate Cooler From Utility Vessel

1.Remove condenser (see previous section).

2.Cut copper lines (Fig. 6, Items 6 and 8).

3.Unbolt liquid refrigerant line at ¯ange (Fig. 7, Item 3).

4.Connect rigging to all four corners of the cooler before lifting the unit.

5.Unbolt connections to the utility vessel (Fig. 6, Items 5 and 10).

To Assemble the Machine

1.Follow disassembly instructions (in reverse order) and bolt all ¯anges back together using a gasket sealant. The following torque requirements are speci®ed:

2.All gasketed or O-ring joints which have been disassembled must be assembled using new gaskets and O-rings. These new gaskets and O-rings (along with gasket sealant, O-ring lubricant, and copper line couplings) are available through your Carrier representative.

3.Braze all copper lines back together using a suitable brazing material for copper. Carrier recommends an AWS (American Welding Society) Classi®cation BCuP-2.

Do not tilt the compressor; oil is contained in the oil sump.

FIG.	ITEM NO.		TORQUE
		ft-lb		N-m
	3	580		786
6	1 or 4	170		230
	5 and 10	840*		1139*
7	1	380		515
	4 and 5	250		340
	1 and 6	280		380
8	2	170		230
	3	380		515
	5	71		96

N-m Ð Newton Meters

Additional Notes

1.Use silicon grease on new O-rings when re®tting.

2.Use gasket sealant on new gaskets when re®tting.

3.Cooler, utility, and condenser vessels may be rigged vertically, as separate components. Rigging should be ®xed to all four corners of the tube sheet.

4.New gaskets, grease for O-rings, and gasket sealant for a complete take-apart operation are available in a kit. Contact your Carrier representative.

*This torque is used to rig the entire machine. Once the machine is in place, if no further rigging is anticipated, the bolt torque can be reduced to 280 ft-lb (380 N-m).

8

NOTES:

1.Certi®ed drawings available upon request.

2.Service access should be provided per American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE) 15, latest edition, National Fire Protection Association (NFPA) 70, and local safety codes.

DIMENSIONS

CONDENSER			A (LENGTH)²								B (WIDTH)									C (HEIGHT)							H (TUBE PULL)
									17EX**					19EX
SIZE		ft-in.			mm															ft-in.			mm				ft-in.			mm
								ft-in.			mm		ft-in.				mm
31 - 33	15-6				4724			N/A			N/A		8-10				2692		10-81¤2				3264			12-10			3912
41 - 43	15-6				4724			N/A			N/A								12-2				3708			12-10			3912
45 - 47	20-3				6172			12-2			3708		9-41¤2				2858									17- 6			5334
51 - 53	15-6				4724			N/A			N/A								12-5				3785			12-10			3912
55 - 57	20-3				6172			12-2			3708															17- 6			5334
										SERVICE CLEARANCES
COMPONENT				D (DIAMETER)²²							E (LENGTH)²²								F (DIAMETER)								G (LENGTH)
				ft-in.				mm			ft-in.			mm					ft-in.				mm				ft-in.			mm
Motor DB - DQ				1-111¤4				591			3- 71¤2			1105					Ð			Ð					Ð			Ð
Motor EA - ED				2- 23¤4				679			3-101¤4			1175					Ð			Ð					Ð			Ð
Motor EE											4- 11¤4			1251					Ð			Ð					Ð			Ð
Low-Side Float				Ð				Ð			Ð			Ð				2-6	1¤2			775					1-0			305
											NOZZLE SIZES
HEAT																	NOZZLE SIZES (in.)|
				NOZZLE TYPE							Cooler Passes												Condenser Passes
EXCHANGER
										1			2				3				1				2			3
31 - 33					Marine					12			10				10				12				10			10
					NIH					12			10				10				Ð				10			10
41 - 48					Marine					20			14				12				20				14			12
					NIH					18			14				10				18				12			10
51 - 57					Marine					Ð			Ð				Ð			Ð					16			Ð
					NIH					Ð			Ð				Ð			20					16			Ð

LEGEND

NIH Ð Nozzle-In-Head

*Distance required for tube removal may be either end.

²Based on 2-pass, nozzle-in-head (NIH) waterboxes with 150 psi (1038 kPa) covers.

**Overall width of units with 17 Series compressors will vary greatly depending upon the application. See the appropriate certi®ed drawings.

²²For hermetic motors (19 Series) only.

\The table at right provides additional information on nozzle sizes. Victaulic grooves are standard for these nozzles. Optional 150 psi (1034 kPa) and 300 psi (2068 kPa) ¯anges are available.

¶In conformance with ASA B36.10 (American Standards Association).

	NOMINAL PIPE SIZE (in.)	SCHEDULE¶	WALL THICKNESS
			in.	mm
	10	40	.365	9.27
	12	Std	.375	9.53
	14	30	.375	9.53
	16	30	.375	9.53
	18	Std	.375	9.53
	20	20	.375	9.53

Fig. 9 Ð Typical Dimensions

9

Table 1 Ð 17/19EX Heat Exchanger, Economizer/Storage Vessel, Piping, and Pumpout Unit Weights*

		COOLER										COOLER									ECONOMIZER/						ECONOMIZER						MISCELLANEOUS						PUMPOUT
		TOTAL																				STORAGE
COOLER												CHARGE															REFRIGERANT								PIPING				UNIT
		WEIGHT																				VESSEL**
SIZE²
	Dry			Operating²²				Refrigerant							Water							lb			kg			lb				kg			lb			kg	lb	kg
	lb	kg		lb		kg		lb			kg	lb		gal			kg		L
31	14,173	6 429		17,518	7 946			1,540			699	1,810		217			821	821
32	14,538	6 594		18,117	8 218			1,640			744	1,944		233			882	882			7,169			3252				610			277			820				372
33	14,904	6 760		18,722	8 492			1,740			789	2,078		249			943	943
41	21,674	9 831		26,120	11 848			1,900			862	2,441		293			1 107	1 107
42	22,019	9 988		26,736	12 127			2,000			907	2,575		309			1 168	1 168			7,169			3 252				610			277			1,095				497
43	22,364	10 144		27,322	12 393			2,100			953	2,709		325			1 229	1 229																					210	95
44	23,841	10 814		29,836	13 533			2,190			993	3,285		394			1 490	1 490
45	25,032	11 354		30,790	13 966			2,260			1 025	3,006		361			1 363	1 363
46	25,529	11 580		31,658	14 360			2,360			1 070	3,192		383			1 448	1 448			7,900			3 583				840			381			1,149				521
47	26,025	11 805		32,496	14 740			2,460			1 116	3,378		405			1 532	1 532
48	28,153	12 770		36,053	16 353			2,540			1 152	4,173		500			1 893	1 893
		CONDENSER				CONDENSER TOTAL WEIGHT																		CONDENSER CHARGE
								Dry				Operating²²							Refrigerant												Water
		SIZE²
						lb					kg	lb					kg		lb			kg				lb			gal			kg			L
			31			10,454				4 742		13,022				5 907			950			431				1,613			193			732			732
			32			10,809				4 903		13,514				6 130			950			431				1,750			210			794			794
			33			11,164				5 064		14,000				6 350			950			431				1,886			226			855			855
			41			13,768				6 245		16,999				7 711			1,090			494				2,146			257			973			973
			42			14,118				6 404		17,498				7 937			1,090			494				2,282			274			1 035			1 035
			43			14,468				6 563		17,978				8 155			1,090			494				2,419			290			1 097			1 097
			45			16,676				7 564		20,800				9 435			1,400			635				2,720			326			1 234			1 234
			46			17,172				7 789		21,489				9 747			1,400			635				2,908			348			1 319			1 319
			47			17,669				8 015		22,178				10 060			1,400			635				3,096			371			1 404			1 404
			51			17,188				7 796		20,993				9 522			1,100			499				2,707			325			1 228			1 228
			52			17,848				8 096		21,923				9 944			1,100			499				2,964			355			1 344			1 344
			53			18,400				8 346		22,682				10 288			1,100			499				3,178			381			1 442			1 442
			55			20,725				9 401		25,598				11 611			1,420			644				3,453			412			1 566			1 566
			56			21,663				9 826		26,896				12 199			1,420			644				3,808			457			1 727			1 727
			57			22,446			10 181			27,980				12 691			1,420			644				4,105			492			1 862			1 862

*If a machine con®guration other than 2-pass, 150 psig (1034 kPa), NIH waterbox con®guration is used, refer to Tables 3 and 4 to obtain the additional dry and water weights that must be added to the values shown in this table.

²Cooler and condenser weights shown are based upon 2-pass, nozzle-in-head (NIH) waterboxes with 150 psig (1034 kPa) covers. Includes components attached to cooler, but does not include suction/discharge, elbow, or other interconnecting piping.

**Dry weight includes all components attached to economizer: Covers, ¯oat valves, brackets, control center (31 lb [14 kg]), and power panel (20 lb [9 kg]). Dry weight does not include compressor weight, motor weight, or pumpout condensing unit weight. The pumpout condensing unit weight is 210 lb (95 kg). For compressor and motor weights, refer to Tables 6, 7, 8, 10A, and 10B.

²²Operating weight includes the sum of the dry weight, refrigerant weight, and water weight.

Table 2 Ð Refrigerant Charge

HEAT EXCHANGER SIZE		COOLER CHARGE		CONDENSER CHARGE		ECONOMIZER CHARGE		TOTAL REFRIGERANT
									CHARGE*
Cooler	Condenser	lb	kg	lb	kg	lb	kg	lb		kg
31	31	1540	699	950	431			3100		1 406
32	32	1640	744	950	431			3200		1 452
33	33	1740	789	950	431			3300		1 497
41	41	1900	862	1090	494			3600		1 633
42	42	2000	907	1090	494	610	277	3700		1 678
43	43	2100	953	1090	494			3800		1 724
44	51	2190	993	1100	499			3900		1 769
44	52	2190	993	1100	499			3900		1 769
44	53	2190	993	1100	499			3900		1 769
45	45	2260	1 025	1400	635			4500		2 041
46	46	2360	1 070	1400	635			4600		2 087
47	47	2460	1 116	1400	635	844	381	4700		2 132
48	55	2540	1 152	1420	644			4800		2 177
48	56	2540	1 152	1420	644			4800		2 177
48	57	2540	1 152	1420	644			4800		2 177

*Total machine refrigerant charge includes the cooler, condenser, and economizer.

NOTE: Regulations mandate that machine shipping charge is limited to 7500 lb (3402 kg).

10