Hoffman Proline pac216t64 User manual

Industrial Air Conditioner

PROLINE®

PROLINE®Top Mount AC

2000 BTU/HOUR

Air Conditioners for PROLINE®

Electronic Enclosures

87567377

Rev. C 113357 P/N 11359799E2005 Hoffman Enclosures Inc.

®

E2005 Hoffman Enclosures Inc.

2 87567377

TABLE OF CONTENTS

Contents Page

Introduction 2. . . . . . . . . . . . . . . . . . . . . . .

Design Data 3. . . . . . . . . . . . . . . . . . . . . . .

Unpacking and Inspection 4. . . . . . . . . . .

Product Handling 4. . . . . . . . . . . . . . . . . . .

Product Identification 4. . . . . . . . . . . . . . .

Operational Testing 5. . . . . . . . . . . . . . . . .

Startup Procedures 5. . . . . . . . . . . . . . . . .

Installation Instructions 6. . . . . . . . . . . . .

Maintenance Procedures 7. . . . . . . . . . . .

Maintenance Information 7. . . . . . . . . . . .

Compressor 7. . . . . . . . . . . . . . . . . . . . . . .

Refrigerant Loss 7. . . . . . . . . . . . . . . . . . .

Fans and Motors 7. . . . . . . . . . . . . . . . . . .

Condenser and Evaporator 8. . . . . . . . . .

Condenser Inlet Filter 8. . . . . . . . . . . . . . .

Filter Cleaning 8. . . . . . . . . . . . . . . . . . . . .

Replacement Filters 8. . . . . . . . . . . . . . . .

Wiring Schematics 9. . . . . . . . . . . . . . . . .

Warranty Policy 11. . . . . . . . . . . . . . . . . . . .

INTRODUCTION

This installation manual applies to Hoffman 2000 BTU/HOUR PROLINEtair conditioners. Consult the

label and specific design data for electrical requirements.

The standard air conditioning units are intended for indoor use in non−corrosive atmospheres, operating

at ambient temperatures from 50°F (10°C) minimum to 125°F (52°C) maximum. Operation outside this

range without prior modification or approval from Hoffman Enclosures Inc. will void the warranty.

For applications where the ambient will be below 50°F (10°C), consult the factory.

CAUTION

•Read this manual thoroughly before attempting to install this air conditioner. Failure to

do so may result in damage to the unit or other enclosure equipment.

•The air conditioner power source should be electrically isolated from all other sources to

the enclosure equipment. This is particularly important if any of the equipment is

susceptible to noise or voltage fluctuations which may be encountered in air conditioner

start up.

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DESIGN DATA

Catalog

Number

(inch)

W x D

(mm)

W x D Voltage HZ FLA @

Max Amb

Temp

BTU/Hr (watts)

@ Max amb

Temp

Max Amb

Temp

°F(°C)

Shipping

Weight

Lbs (Kgs)

Refrigerant

Type

Volume

Oz

R134A

7.0

8.0

7.0

8.0

7.0

8.0

7.0

8.0

125 (57)

140 (63)

160 (72)

125 (57)

140 (63)

160 (72)

125 (52)

2000 (585)

6.8/6.8

4.2/3.6

50/60

115

230

115

(592 x 400)

(792 x 400)

(592 x 400)

23.31 x 15.75

23.31 x 23.61

31.19 x 15.75

31.19 x 23.61

PAC216T64

23.31 x 15.75

23.31 x 23.61

31.19 x 15.75

31.19 x 23.61

PAC226T64

PAC216T66

PAC226T66

PAC216T84

PAC226T84

PAC216T86

PAC226T86

PAC216T65

PAC226T65

PAC216T85

PAC226T85

23.31 x 23.61

31.19 x 23.61

(592 x 400)

(792 x 400)

230

115

50/60

6.8/6.8

4.2/3.6

2000 (585)

125 (52)

140 (63)

128 (58)

R134A

7.0

8.0

7.0

8.0

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UNPACKING AND INSPECTION

Inspect the industrial air conditioner by checking for concealed damage that may have occurred

during shipment. Look for dents, scratches, loose assemblies, evidence of oil, etc. Any evident

damage upon receipt should be noted on the freight bill. Damages should be brought to the

attention of the delivering carrier within 15 days of delivery, NOT to HOFFMAN ENCLOSURE

INC. If damage is evident, save all packaging materials and request the carrier to inspect the

product prior to filing a claim with the carrier.

HOFFMAN ENCLOSURES INC. cannot accept responsibility for freight damages; however, we

are ready to assist you in any way possible. For assistance, call or write:

Hoffman Enclosures Inc.

2100 Hoffman Way

Anoka, MN 55303−1745

(763) 422−2211

PRODUCT HANDLING

To avoid possible shipping damage and facilitate transportation and storage, the industrial air

conditioner may have been shipped in a vertical position. If it is necessary to place the air

conditioner in a vertical position after removing from carton, be certain it is placed in an upright

(horizontal) or mounting position for a minimum of five (5) minutes before operating, in order to

allow the compressor oil to drain to the compressor sump area.

PRODUCT IDENTIFICATION

For installation and maintenance as outlined in this manual, first refer to the nameplate on your

unit. The nameplate will provide important data regarding capacity of the unit, minimum and

maximum ambient operating temperatures, type and amount of refrigerant required for

recharging, and electrical power characteristics when making electrical hookups or connections.

CAUTION

NEVER attempt to operate the air conditioner while in any other position than the operat-

ing position. Running the refrigeration compressor without oil in the lower part of the hous-

ing will cause permanent damage to the unit. This also voids the warranty.

When ordering service parts, specify the catalog or job number and

serial number.

Before installing, make certain these parameters are met. Lower

or higher ambient temperatures may cause permanent damage or

malfunction of the unit.

Before operating, make certain outlet and power source match

these requirements.

Refer to ”Design Data” (page 3) and label information for full load

amp rating and ”Wiring Schematic” (page 9) for specific model.

Follow all applicable electrical codes.

Leak test pressures.

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POWER CONNECTION

Refer to nameplate for proper electrical frequency, current, and voltage requirements, then

connect to a properly grounded and fused electrical circuit. (see ”Wiring Schematic” (page 9)

for location of power connection)

NOTE: No other equipment should be connected to this circuit to prevent overloading.

Additional isolation may be required if the equipment nearby is susceptible to line noise or

voltage fluctuation.

STARTUP PROCEDURE

•Make sure the unit has been upright for five (5) minutes.

•Operate the air conditioner for ten (10) minutes. No excessive noise or vibration should be

evident during this run period. The condenser fan, the evaporator or cool air fan, and the

compressor should be running. To check cool air output, use a reliable air temperature

measuring device. The cool air output should be between 50°to 60°F when room

temperature is between 70°to 80°F.

•These units are equipped with a thermostat. If the thermostat is not set properly the

condenser fan and compressor may not operate while the evaporator fan runs. If this

condition exists, the entering air temperature to the evaporator may be below the

thermostat setpoint. To correct, set the thermostat setting to a lower setpoint, until the

condenser fan and compressor start.

•The compressor is provided with automatic reset thermal overload switch. This switch is

located and mounted inside the plastic enclosure clipped to the compressor. This switch will

be activated whenever the compressor overheats. Excessive heat buildup may be caused

by:

1. Clogged or dirty inlet air filter.

2. Ambient air temperatures exceed nameplate rating.

3. Enclosure heat load exceeds the rated capacity of the air conditioner.

The thermal overload switch will actuate and stop compressor operation. Blowers will continue

to operate, however, and the compressor will restart when it has cooled to within the thermal

overload cut−in temperature setting.

CAUTION

To avoid possible damage to the air conditioner, it must be in an upright (horizontal position)

for a minimum of five (5) minutes before start up.

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INSTALLATION INSTRUCTIONS

CAUTION

•Before installing, read these instructions carefully. Failure to do so could result in damage

to the unit and/or cause a hazardous condition.

•Check the ratings on the air conditioner to ensure the product is suitable for your

application. Electrical ratings are located on the air conditioner nameplate on the side of

the unit.

•DISCONNECT POWER BEFORE BEGINNING INSTALLATION.

• If continuous operation of the unit is essential to ensure the function of any other

equipment, then adequate warning devices should be installed.

•Enclosures equipped with air conditioners must be securely fastened to prevent tipping.

•These air conditioners are not intended for use in hose down areas or hazardous locations.

•Once installation is complete, check all internal and external electrical clearances to ensure

equipment will function safely and properly

* Hardware included with PROLINE®frame.

** Hardware included with PROLINE®A/C

*** Optional hardware.

MOUNTING INSTRUCTIONS

1. Remove cover from PROLINE®frame.

2. Remove shroud from air conditioner:

−Four bolts and washers at top of air conditioner.

−Two screws in front flange.

3. Place air conditioner base on top of PROLINE®

frame.

4. Use four bolts and washers to fasten air conditioner

base to the top of the PROLINE®frame.

5. Place shroud on air conditioner base.

6. Fasten shroud to air conditioner base with four bolts

and washers (or optional lifting eyes) at the top of

the shroud and two screws in the shrouds front

flange.

7. Attach elbow and drain tube with clamps provided.

8. Install filter and grille.

NOTE: Air conditioner should be installed as level as

possible to ensure proper operation.

A spreader bar must be used when air

conditioner/PROLINE®frame is lifted with optional lifting

eyes.

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MAINTENANCE PROCEDURES

COMPRESSOR

The compressor requires no maintenance. It is hermetically sealed, properly lubricated at the

factory, and should provide years of satisfactory operating service.

Should the refrigerant charge be lost, recharging ports (access fittings) on the suction and

discharge sides of the compressor are provided for recharging and/or checking suction and

discharge pressures.

In the event that service is required, use only certified refrigeration repair service personnel.

Consult your local listing for commercial air conditioning maintenance establishments.

CAUTION

•Disconnect all power supplies to the air conditioner before performing any service inside

the unit.

•Operation of the air conditioner in areas containing airborne caustics or chemicals can

rapidly deteriorate filters, condenser coils, blowers and motors, etc. Contact Hoffman

Enclosures Inc. for special recommendations.

•In accordance with section 608 of the Clean Air Act, no person maintaining, servicing,

repairing, or disposing of appliances may knowingly vent or otherwise release into the

environment any class I or class II substance used as refrigerant.

REFRIGERANT LOSS

Your air conditioner was thoroughly tested before leaving the factory to insure against refrigerant

leaks. Shipping damage or microscopic leaks not found with sensitive electronic refrigerant leak

detection equipment during manufacturing may require repair and recharging of the system. This

work should be performed by qualified professionals only, generally available in any reputable air

conditioning repair or service company in your local area.

Refer to the data on your nameplate which specifies the type of refrigerant and the charge sizes

in ounces.

Prior to recharging, the system must be evacuated and checked for leaks.

FANS AND MOTORS

Fan motors require no maintenance. All bearings, shafts, etc. are lubricated during

manufacturing for the life of the motor. Access for fan replacement requires the removal of the

air conditioner shroud.

MAINTENANCE INFORMATION

•Always disconnect power before inspecting or working on unit.

•Access filter by lifting off grille.

•Filter is reusable and can be cleaned by flushing with water.

•For additional filtering capacity, coat both sides of filter with filter adhesive (catalog number AFLTAD)

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CONDENSER AND EVAPORATOR

Condensers and evaporator coils are constructed with copper tubes with mechanically bonded

aluminum fins. No maintenance is ordinarily required. If the air conditioner is used in a dirty

environment, periodic cleaning of dirt and debris from the outside fin surface may be required

to maintain design operating performance. Care must be taken during cleaning to prevent

damage to coil fins.

CONDENSER INLET FILTER

Periodic maintenance of the inlet filter will assure normal operation of your air conditioner.

As the compressors operating temperature increases above normal due to dirty or clogged inlet

filter (or plugged condenser coil), it will stop operating due to actuation of the thermal overload

cut−out switch located on the compressor housing. As soon as the compressor temperature has

dropped to within the switch’s cut−in setting, the compressor will restart automatically. However,

the above condition will continue to take place until the inlet filter has been cleaned or replaced.

It is recommended that the power to the air conditioner be disconnected when abnormally high

compressor operating temperatures cause automatic shut−down of the unit. The above

described shutdown is symptomatic of clogged or dirty filters, thus causing a reduction in cooling

air flow across the surface of the compressor and condenser coil.

CONTINUED OPERATION OF THE AIR CONDITIONER WITH A CLOGGED OR DIRTY

FILTER WILL DAMAGE AND SHORTEN COMPRESSOR LIFE. The air conditioner features

an easily removable inlet filter to facilitate necessary cleaning.

FILTER CLEANING INSTRUCTIONS

1. Flush the filter with warm water from the exhaust side to the intake side. DO NOT USE

CAUSTICS.

2 After flushing, allow filter to drain. Placing it with a corner down will assure complete

drainage.

3. Recoat the filters with filter spray adhesive. Spray filter from both sides for maximum

concentration of adhesive. Filter spray adhesive is available from Hoffman Enclosure Inc.

(Hoffman catalog number AFLTAD)

It is impossible to recommend a filter cleaning interval due to the wide variety of air quality

conditions, as well as fluctuations in operating duty cycles of the air conditioner. Amounts of

airborne dust/dirt particles are different in every location. It is recommended that when a fine

layer of dust or lint is visible on the surface of the filter, it should be flushed, drained, coated with

proper adhesive and reinstalled.

Do not run the air conditioner for an extended period of time with the inlet filter removed. Particles

of dust, lint, etc. can plug the fins of the condenser coil which will give the same reaction as a

plugged filter. The condenser coil is not visible through the filter opening, so protect it with a clean

filter.

REPLACEMENT FILTERS

Replacement air filters are available from Hoffman Enclosures Inc. Order by air conditioner

catalog number, and description of filter. Contact Hoffman Customer Service.

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WIRING SCHEMATIC

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E2005 Hoffman Enclosures Inc.

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WARRANTY POLICY

Hoffman warrants that all material and

workmanship are free of defects in quality

which impair the usefulness of the product

for a period of one year from the date of

purchase for the hermetic system

components, and the air moving devices

when installed and operated under the

following conditions:

A. Maximum voltage variation no

greater than plus or minus 10% of name

plate nominal rating.

B. Maximum frequency variation no

greater than plus or minus 3 Hz. of

nameplate nominal rating.

C. Must not exceed minimum and

maximum stated temperatures on the

nameplates.

D. Not to exceed (BTU/HR) rating,

including any heat sink, as indicated on the

nameplate.

E. The unit must not be restarted for

a period of one minute after intentional or

accidental shut−off.

Not covered in this warranty is damage to

the air conditioner due to the introduction of

other than the nameplate designated

refrigerant, operation in an abnormal or

corrosive atmosphere, or prolonged

operation with dirty filters.

Should any part prove defective within the

above stated time periods, Hoffman will

repair the part or provide a replacement

(new or rebuilt) part at Hoffman’s option

without charge, but will not provide labor or

reimbursement for labor for removal or

installation of any such part. Parts supplied

as warranty replacement parts will assume

the balance of the warranty on the part

returned for warranty consideration.

Hoffman assumes no liability beyond the

repair or replacement of its own product,

returned transportation prepaid. Customer

modification of any Hoffman product voids

this warranty.

The purchaser assumes the responsibility

of grounding the unit and installing it in

accordance with local electrical and safety

codes, as well as the National Electric Code

(NEC) and (OSHA).

This express warranty constitutes the entire

warranty with respect to the PRODUCT and

IS IN LIEU OF ALL OTHERS, EXPRESS

OR IMPLIED, INCLUDING ANY

WARRANTY OF MERCHANTABILITY AND

WARRANTY OF FITNESS FOR A

PARTICULAR PURPOSE AND IN NO

EVENT IS HOFFMAN RESPONSIBLE

FOR ANY CONSEQUENTIAL DAMAGES

OF ANY NATURE WHATSOEVER.

Please complete and return the product

registration and record of purchase card to

Hoffman Enclosures Inc. This card must be

on file at Hoffman to consider any warranty

claim.

Engineering Company

2100 Hoffman Way

Anoka, Minnesota 55303−1745

(763) 422−2211

www.hoffmanonline.com

Hoffman Enclosures Inc.

2100 Hoffman Way

Anoka, MN 55303−1745

(763) 422−2211

www.hoffmanonline.com

Pentair Electronic Packaging

170 Commerce Drive

Warwick, RI 02886

(401) 732−3770

www.pentair−ep.com

Mexico

Pentair Enclosures, S. de R.L. de C.V.

Federico T. de la Chica No. 8 Piso 4 A

Circuito Comercial Plaza Satélite

Ciudad Satélite,

Naucalpan, México C.P. 53100

011−52−55−5393−8263

Canada

Hoffman−Schroff

111 Grangeway Avenue, Suite 504

Scarborough, Ontario M1H 3E9

(416) 289−2770

1−800−668−2500 (Canada only)

Germany

Schroff GmbH

Langenalber Str. 96−100

75334 Straubenhardt

49 (07082) 794−0 www.schroff.de

Great Britain

Schroff UK Ltd.

Maylands Avenue

Hemel Hempstead, Herts HP2 7DE

44 (01442) 240471 www.schroff.co.uk

Sweden

Schroff Scandinavia AB

Box 2003

12821 Skarpnäck

46 08683 61 00 www.schroff.se

France

Schroff Sas

Z.I., 4 rue du Marais

67660 Betschdorf

33 03 88 90 64 90 www.schroff.fr

Italy

Schroff srl

Viale Milano, 119

21013 Gallarate (Varese)

39 0331 79 40 03

Singapore

Hoffman−Schroff Pte. Ltd.

#01−68/71 German Centre

25 International Business Park

Singapore 609916

65 5 62−78 90

Japan

Schroff K.K.

Nisso No. 13 Bldg. 4F

2−5−1 Shinyokohama

Kohoku−Ku, Yokohama shi

Kanagawa 222−0033

81 (045) 476−02 81

Finland

Schroff Scandinavia AB

Peräsimentie 8

03100 Nummela

358 09 222 68 00

Norway

Schroff Scandinavia AB

Bjoernerudveien 24

1266 Oslo

47 022 76 33 60

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Hoffman PROLINE PAC216T64 User manual

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