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

Catalog No. 04-53390006-01

Printed in U.S.A.

Form 39S-2SI

Pg 1

7-08 Replaces: 39S-1SI

Installation, Start-Up and Service Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . . . 1,2

INTRODUCTION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17

Unit Identification

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

PREINSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 18,19

Rigging

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Shipping Bolt and Screw Removal

. . . . . . . . . . . . . . . . 18

Unit Suspension

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Service Clearance

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Condensate Drain

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

External Vibration Isolators

. . . . . . . . . . . . . . . . . . . . . . . 18

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-33

Condensate Drain

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Bottom Return Economizer Package (BREP) and

Horizontal Bottom Return Economizer
Package (HBREP)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Motorized Outside Air Damper

. . . . . . . . . . . . . . . . . . . . 22

Mixing Box Actuator (for 39SH and 39SM Horizontal

Return Units Only)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

• MIXING BOX ACTUATOR ASSEMBLY

• ACTUATOR INSTALLATION

Mixing Box Air Sensor

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

• MIXING BOX MIXED AIR SENSOR BRACKET

ASSEMBLY

• MIXED AND OUTSIDE AIR SENSORS

INSTALLATION

Mixing Box

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

• MIXING BOX LINKAGE INSTALLATION

(39SH Sizes 00-03)

• MIXING BOX LINKAGE INSTALLATION

(Sizes 04-17)

Install Sheaves on Motor and Fan Shafts

. . . . . . . . . 27

• ALIGNMENT

Install V-Belts

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Water and Steam Coil Piping

Recommendations

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

• GENERAL

• WATER COILS

• STEAM COILS

Coil Freeze-Up Protection

. . . . . . . . . . . . . . . . . . . . . . . . . 31

Refrigerant Piping, Direct Expansion

(DX) Coils

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Electric Heaters

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Motor Stop/Start Stations

. . . . . . . . . . . . . . . . . . . . . . . . . 33

START-UP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Check List

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

SERVICE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34,35

General

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Fan Motor Replacement

. . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Coil Cleaning

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

• DETERGENT

Winter Shutdown (Chilled Water Coil Only)

. . . . . . . 34

• ANTIFREEZE METHODS OF COIL PROTECTION

• AIR DRYING METHOD OF COIL PROTECTION

• PIPING

Page

Filters

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

• FILTER SECTIONS

Lubrication

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

• MOTORS

• BEARINGS

SAFETY CONSIDERATIONS

Air-handling equipment is designed to provide safe and reli-

able service when operated within design specifications. To

avoid injury to personnel and damage to equipment or property

when operating this equipment, use good judgment and follow

safe practices as outlined below.

DANGER

NEVER enter an enclosed fan cabinet or reach into a unit

while the fan is running.
LOCK OPEN AND TAG the fan motor power disconnect

switch before working on a fan. Take fuses with you and

note removal on tag. Electric shock can cause personal

injury or death.
LOCK OPEN AND TAG the electric heat coil power dis-

connect switch before working on or near heaters.
Failure to follow these warnings could lead to personal

injury or death.

WARNING

CHECK the assembly and component weights to be

sure that the rigging equipment can handle them safely.

Note also, the centers of gravity and any specific rigging

instructions.
CHECK for adequate ventilation so that fumes will not

migrate through ductwork to occupied spaces when weld-

ing or cutting inside air-handling unit cabinet or plenum.
WHEN STEAM CLEANING COILS be sure that the area

is clear of personnel.
DO NOT attempt to handle access covers and removable

panels on outdoor units when winds are strong or gusting

until you have sufficient help to control them. Make sure

panels are properly secured while repairs are being made to

a unit.
DO NOT remove access panel fasteners until fan is com-

pletely stopped. Pressure developed by a moving fan can

cause excessive force against the panel which can injure

personnel.
DO NOT work on dampers until their operators are

disconnected.
BE SURE that fans are properly grounded before working

on them.
Failure to follow these warnings could result in personal

injury or equipment damage.

39SH,SV,SM,SR00-17

Indoor and Outdoor Air Handlers

Содержание 39SH

Страница 1: ...ERATIONS Air handling equipment is designed to provide safe and reli able service when operated within design specifications To avoid injury to personnel and damage to equipment or property when operating this equipment use good judgment and follow safe practices as outlined below DANGER NEVER enter an enclosed fan cabinet or reach into a unit while the fan is running LOCK OPEN AND TAG the fan mot...

Страница 2: ... 09 13 17 CHILLED WATER Nominal Capacity at 400 fpm cfm 632 716 800 1224 1612 2000 2916 3832 5500 7084 Face Area sq ft 1 58 1 79 2 3 06 4 03 5 7 29 9 58 13 75 17 71 Coil Connection Size in OD sweat 4 Row Qty 3 4 3 4 3 4 3 4 7 8 11 8 11 8 13 8 13 8 15 8 2 6 Row Qty 3 4 3 4 3 4 7 8 11 8 11 8 13 8 15 8 15 8 15 8 2 HOT WATER Nominal Capacity at 400 fpm cfm 632 716 624 956 1612 2000 2688 3544 5348 6640...

Страница 3: ...x25 2 20x25 4 20x25 4 Nominal Face Area sq ft 2 78 2 78 3 52 5 56 13 89 13 89 39SM UNIT SIZE 04 05 07 09 13 17 CHILLED WATER Nominal Capacity at 400 fpm cfm 1668 2084 2776 3332 5000 7084 Face Area sq ft 4 17 5 21 6 94 8 33 12 5 17 71 Coil Connection Size in OD sweat 4 Row Qty 7 8 11 8 11 8 13 8 13 8 15 8 2 6 Row Qty 11 8 11 8 13 8 15 8 15 8 15 8 2 HOT WATER Nominal Capacity at 400 fpm cfm 1668 208...

Страница 4: ...5124 7000 Face Area sq ft 2 3 06 4 03 5 8 13 9 48 12 81 17 5 Connection Size in OD sweat Qty Liquid Line 3 8 3 8 1 2 1 2 5 8 5 8 7 8 2 7 8 2 Suction Line 3 4 3 4 7 8 11 8 11 8 13 8 13 8 2 15 8 2 STEAM Nominal Capacity at 400 fpm cfm 752 1144 1452 1800 3088 3576 4956 6768 Face Area sq ft 1 88 2 86 3 63 4 5 7 72 8 94 12 39 16 92 FILTER DATA Single Wall Unit Throwaway Filter Size in Qty 16x32 16x32 2...

Страница 5: ...3 37 1 36 6 18 1 19 0 1 0 14 1 1 0 1 5 1 5 2 9 8 4 10 6 27 6 16 4 04 42 0 45 0 22 1 23 0 1 0 17 9 1 0 1 5 1 5 2 7 9 1 13 8 36 0 20 0 05 42 0 45 0 22 1 23 0 1 0 14 3 1 0 1 5 1 5 2 7 12 5 13 8 36 0 20 0 07 09 52 5 57 0 34 8 34 8 1 0 21 8 9 1 2 8 2 8 2 8 16 2 16 2 48 0 32 2 13 57 5 67 2 43 0 43 0 N A 11 4 8 0 3 7 3 7 3 7 16 4 2 16 4 2 57 9 40 5 17 57 5 72 3 48 0 48 0 N A 14 0 13 0 3 7 3 7 3 7 16 4 2 ...

Страница 6: ... 8 0 9 1 1 6 13 9 7 8 7 8 7 8 7 8 1 2 7 8 05 29 5 26 0 59 5 8 4 12 6 1 3 13 9 1 1 8 1 1 8 1 1 8 1 1 8 1 2 1 1 8 CW Chilled Water MSS Motor Start Stop Station DX Direct Expansion w o Without HW Hot Water 4 x 4 J Box w o MSS F G D 12 5 B E 6 3 1 9 Right View 8 2 2 5 875 24V Control Conn 875 OPP SIDE Power Conn Motor Start Stop MSS optional Conn Liquid Conn DX Front View Supply Conn CW Top View Suppl...

Страница 7: ...875 CW Chilled Water MSS Motor Start Stop Station DX Direct Expansion w o Without HW Hot Water Motor Start Stop opt 31 00 Iso View w o panels Front View Right View Top View 4 x 4 J Box w o MSS Power Conn 875 20 3 16 3 13 3 875 24V Control Conn 6 3 2 4 34 2 54 0 DX Conn 20 5 2 3 Return CW Liquid 2 0 1 5 Drain Conn Supply Conn HW Supply CW Suction 10 1 84 4 19 5 9 DX Conn Return Conn HW a39 4066 Fig...

Страница 8: ... shown in inches 39SV UNIT SIZE WIDTH DEPTH HEIGHT SUPPLY DUCT CONNECTION SIZES OD A B C D E F G CW Supply Return HW Supply Return DX Liquid Suction 02 22 3 24 0 50 0 6 9 8 5 3 0 11 8 3 4 3 4 7 8 7 8 3 8 3 4 03 22 3 24 0 50 0 6 9 8 5 3 0 11 8 3 4 3 4 7 8 7 8 3 8 3 4 04 25 1 24 3 56 5 8 0 9 1 1 6 13 9 7 8 7 8 7 8 7 8 1 2 7 8 05 29 5 26 0 59 5 8 4 12 6 1 3 13 9 1 1 8 1 1 8 1 1 8 1 1 8 1 2 1 1 8 CW C...

Страница 9: ... 25 0 15 2 07 50 0 68 5 34 0 34 5 34 0 6 8 13 0 48 0 32 0 1 0 1 0 13 4 16 2 1 1 15 4 3 6 25 0 22 5 09 50 0 68 5 34 0 34 5 34 0 6 8 13 0 48 0 32 0 1 0 1 0 13 4 16 2 1 1 15 4 3 6 30 0 22 5 13 72 0 81 5 34 0 47 5 34 0 6 7 13 0 66 0 45 0 2 0 6 0 16 4 16 4 1 1 14 0 3 6 30 0 23 0 17 72 0 81 5 34 0 47 5 34 0 6 7 13 0 66 0 45 0 2 0 6 0 16 4 16 4 1 1 14 0 3 6 42 6 23 0 CW Chilled Water HW Hot Water w o MSS...

Страница 10: ... K L M N O P Q R 04 40 0 27 5 52 0 27 5 26 0 2 7 8 9 36 0 25 5 1 0 2 0 13 6 11 9 1 1 13 1 3 6 20 0 15 2 05 40 0 27 5 52 0 27 5 26 0 2 7 8 9 36 0 25 5 1 0 2 0 13 6 11 9 1 1 13 1 3 6 25 0 15 2 07 50 0 34 5 68 0 34 5 34 0 6 8 12 9 48 0 32 0 1 0 1 0 13 4 16 2 1 1 15 4 3 6 25 0 22 5 09 50 0 34 5 68 0 34 5 34 0 6 8 12 9 48 0 32 0 1 0 1 0 13 4 16 2 1 1 15 4 3 6 30 0 22 5 13 72 0 47 5 68 0 47 5 34 0 6 7 1...

Страница 11: ...own 5 Top and rear inlets shown Bottom and rear inlets are also available 39SM UNIT SIZE LENGTH WIDTH HEIGHT DUCT WIDTH DUCT HEIGHT TOP CLEARANCE FILTERS A B C D E F SIZE QTY 04 05 27 0 36 2 25 5 34 3 15 0 2 0 16 x 32 x 2 2 07 09 32 0 48 2 32 4 46 3 15 0 9 7 20 x 24 x 2 4 13 17 40 0 66 2 45 0 64 3 16 0 15 5 30 x 20 x 2 6 a39 4079 Fig 7 39SM Unit Mixing Box ...

Страница 12: ...5 1 17 5 6 2 07 09 75 0 53 0 42 2 14 0 44 0 16 4 13 1 15 0 8 0 37 2 24 3 46 0 10 1 20 0 3 5 13 75 1 53 0 55 7 14 0 44 0 16 4 19 4 15 0 8 0 37 3 32 7 46 0 23 5 16 8 3 5 17 96 0 76 3 53 3 15 0 62 0 19 6 22 0 15 0 8 0 50 3 47 0 68 2 17 4 27 1 4 1 Section View A A Right View A 4 0 A A HORIZONTAL DISCHARGE OPT Front View O F G N 875 POWER CONN 4X4 J BOX Rear View B M C L P Pipe Chase F G J K H D E 4 0 ...

Страница 13: ... 8 5 16 6 7 0 04 05 74 0 50 5 33 6 12 0 34 0 14 1 13 4 10 0 6 0 38 9 21 2 18 2 36 1 4 2 18 6 7 2 07 09 77 4 55 5 50 9 14 0 44 0 16 4 13 1 15 0 8 0 38 0 35 1 24 3 45 9 19 9 21 2 4 8 13 77 4 55 5 60 6 14 0 44 0 16 4 18 9 15 0 8 0 38 0 48 9 32 8 45 9 29 7 18 3 4 8 17 96 5 76 5 64 1 14 0 62 0 19 0 22 0 15 0 8 0 51 9 48 2 46 9 65 8 24 0 27 3 5 4 F 4 0 J G H 4 0 D K E Front View HORIZONTAL DISCHARGE OPT...

Страница 14: ...UNIT SIZE A B C D E F G 02 03 30 6 19 9 26 1 2 0 7 7 26 2 19 9 04 05 39 9 18 0 25 0 1 8 9 9 40 0 22 1 B A F Outdoor Air Hood Return Air Duct G D E C a39 4070 Fig 10 39SR Unit Sizes 02 05 Horizontal Return Economizer Package ...

Страница 15: ...39SR UNIT SIZE A B C D E F 02 03 32 100 18 940 42 075 17 260 25 950 16 150 04 05 39 725 22 825 44 025 21 125 27 750 16 250 E F Return Air Outdoor Air C D A B Fig 11 39SR Unit Sizes 02 05 Bottom Return Economizer Package ...

Страница 16: ... J 07 09 13 8 44 1 35 2 34 9 15 4 16 5 48 3 13 18 8 44 1 39 0 48 6 20 1 20 0 48 3 17 19 0 62 9 43 4 45 1 20 1 20 0 66 1 E H conversion remove for HBREP Barometric Relief Damper Outdoor Air Hood G F B HBREP A HBREP J a39 4072 Fig 12 39SR Unit Sizes 07 17 Bottom and Horizontal Return Economizer Package ...

Страница 17: ...SR UNIT SIZE A B C D E F G H 02 03 29 9 19 1 8 7 5 6 24 1 2 9 13 4 10 4 04 05 37 8 23 5 14 6 5 6 25 3 6 3 17 3 13 8 07 09 48 8 28 4 17 4 5 6 44 4 2 2 21 8 19 6 13 48 8 34 9 22 3 5 6 40 5 4 1 28 3 25 8 17 30 3 46 8 25 0 5 6 25 2 2 5 38 9 31 8 LEGEND MOAD Motorized Outside Air Damper Fig 13 39SR Unit Motorized Outside Air Damper a39 4128 ...

Страница 18: ... sheet metal screws are located on the discharge duct collar All red bolts and screws must be removed for the blower assembly to be isolated from the cabinet See Fig 14 Unit Suspension 39SH and 39SM Units Acceptable forms of unit suspension are shown in Fig 15 A field supplied platform mount is recommended especially for larger unit sizes Units can also be supported by suspending the unit from cro...

Страница 19: ...mechani cally controlled damper To install BREP 1 Check for correct number of parts shown in Fig 17 and the following list 1 Economizer assembly 1 Barometric relief hood 1 Outdoor air hood 1 Hardware bag 2 Disconnect all power to unit 3 Remove return air access panel from unit and rear access panel s if applicable as shown in Fig 18 4 To assemble the barometric relief hood the following will be ne...

Страница 20: ...w into place b Take right hood panel and screw in place like Step a c Take top rail and place flanges over left hood panel and right hood panel and secure d Take side rail and line up to holes in left hood panel and secure e Repeat Step d for side rail and right hood panel f Take front panel and slide inside of side rails g Take top panel and do the same as Step c h Place 1 8 in x 1 2 in gasket on...

Страница 21: ...y Check unit wiring for actual unit wiring 2 Relays 1K and 2K actuate when the outdoor air enthalpy is higher than the return air enthalpy 3 1S is an electronic switch which closes when powered by a 24 VAC input 4 Factory installed resistor should be removed only if C7400 differential enthalpy sensor is added a39 4094 ...

Страница 22: ...g 28 a Secure the filter channels to the hood sides using the supplied no 10 16 x 1 2 screws b Place the hood sides to the inside of the side flange of the hood top and secure with the supplied no 10 16 x 1 2 screws c Slide the filter inside the filter channels d Place the filter access panel over the hood side panels and secure with no 10 16 x 1 2 screws 3 Adjust the position of the outside air s...

Страница 23: ...Remove lock nut from swivel nut assembly Place swivel nut assembly into slot on actuator arm Hand tighten lock nut onto swivel nut assembly Swivel nut assembly will need to be adjusted once installed for proper actuator motion 3 Attach actuator arm assembly to actuator with four 1 4 in screws Arm may need to be repositioned once installed to ensure proper actuator motion Fig 30 Secure Adapter Pane...

Страница 24: ...nd linkage arm are parallel 4 Ensure linkage assemblies are properly secured as shown in the linkage assembly instructions sent with the unit 5 Open one set of dampers to 100 open and the other to 100 closed Ensure actuator motion will operate as needed and tighten all linkages swivel assemblies and linkage rods into place 6 Ensure actuator motion opens and closes damper assem blies fully If not a...

Страница 25: ...y from the unit NOTE Hanging brackets shipped loose as shown in Fig 41 are recommended for 39SH and 39SM unit sizes 07 and above To install brackets place in approximate location and use self drilling screws to attach to mixing box Brackets are sized to allow hanging from Unistrut Unistrut should be cut to the length one to two inches shorter than the width of the mixing box to avoid any in terfer...

Страница 26: ... 6 Insert linkage rod into swivel joints and tighten Linkage rod may need to be cut down to size Linkage arms should be parallel Assembly should still be loose on damper rods This will be linkage assembly no 1 7 Place linkage arm onto DR1 and DR2 Ensure swivel joints are fully extended to the end of the linkage arm and tighten 8 Insert linkage rod into swivel joints and tighten Linkage rod may nee...

Страница 27: ... maximum service If misalignment is in the sheave belts will enter and leave the grooves at an angle causing excessive belt cover and sheave wear 1 Shaft alignment can be checked by measuring the distance between the shafts at 3 or more locations If the distances are equal then the shafts will be parallel 2 Check alignment of sheaves Fixed sheaves To check the location of the fixed sheaves on the ...

Страница 28: ...Section A Super Belt Small Sheave Pitch Diameter 5 in Solution 1 From Fig 50 find that deflection force for type A super belt with 5 in small sheave pitch diameter is 4 to 51 2 lb 2 3 Increase or decrease belt tension until force required for 1 4 in deflection is 51 2 lb Check belt tension at least twice during first operating day Readjust as required to maintain belt tension within the recommende...

Страница 29: ... ahead of the trap This will shut down the supply fan and close the out door damper whenever the condensate falls to a predetermined point perhaps 120 F NOTE Do NOT use an immersion thermostat to override a duct thermostat and open the steam supply valve For vacuum return systems the vacuum breaking check valve would be piped into the condensate line between the trap and the gate valve instead of ...

Страница 30: ... 4131 NOTES 1 A bypass is necessary around trap and valves when continu ous operation is necessary 2 Bypass to be the same size as trap orifice but never less than 1 2 inch Fig 53 Dripping Steam Supply to Condensate Return a39 2362tf tif 3 NOTES 1 Flange or union is located to facilitate coil removal 2 When a bypass with control is required 3 Flash trap can be used if pressure differential between...

Страница 31: ...itate the distri bution of the steam along the tube s length The outer tubes are expanded into plate fins The completed assembly includes the supply and condensate header and side casings which are built to slant the fin tube bundle back toward the condensate header The slanting of the assembly ensures that condensate will flow toward the drains This condensate must be removed through the return p...

Страница 32: ... in a circuit loading of 0 8 to 2 0 tons per circuit at design load Circuit loading must be evaluated at minimum load to ensure that it does not drop below 0 6 tons per circuit Solenoid valves may be used if nec essary to shut off the refrigerant supply to individual expansion valves to maintain adequate coil circuit loading Compressor minimum unloading and TXV quantity is nec essary to determine ...

Страница 33: ...or Start Stop Stations All field installed wiring including the electrical ground MUST comply with the National Electrical Code NEC as well as applicable local codes In addition all field wiring must conform to the Class II temperature limitations described in the NEC Refer to Fig 59 and 60 for optional factory installed motor start stop station wiring diagrams WARNING To avoid possible injury or ...

Страница 34: ... mounting bolts g Motor out of balance h Sheaves eccentric or out of balance i Vibration isolators improperly adjusted j Out of balance or corroded wheel rebalance or replace if necessary k Accumulation of material on wheel remove excess material SERVICE General 1 Place a suitable walkway to protect floor insulation whenever entering the fan section 2 Review Safety Considerations at beginning of t...

Страница 35: ...nd thermostatic trap will contain a thermostatic air vent When the bellows is ruptured it will fail closed 7 Check operation of vacuum breakers 8 Check operation of the thermal protection devices used for freeze up protection 9 Steam or condensate should not be allowed to remain in the coil during the off season This will prevent the forma tion and build up of acids There are additional precaution...

Страница 36: ... manual including Unit Familiarization Maintenance Installation Overview Operating Sequence A large selection of product theory and skills programs are available using popular video based formats and materials All include video and or slides plus companion book Classroom Service Training which includes hands on experience with the products in our labs can mean increased confidence that really pays...

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