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Sida 1/48
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC 111 Catalog No. 534-00003 Printed in U.S.A. Form 40RM-23SI Pg 1 12-04 Replaces: 40RM-22SIBook 1 4
Tab 3c 2e
Installation, Start-Up and
Service Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS ......................1
PRE-INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . .1,2
Moving and Storage..............................2
Rigging ..........................................2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
General ..........................................2
Uncrating ........................................2
Accessories......................................2
Unit Positioning .................................13
Unit Isolation.................................... 13
Refrigerant and Chilled Water
Piping Access..................................13
Refrigerant Piping...............................13
Chilled Water Piping ............................19
Condensate Drain ...............................20
Fan Motors and Drives ..........................20
Power Supply and Wiring .......................21
Connecting Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Return-Air Filters................................24
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-45
Panels...........................................25
Fan Motor Lubrication...........................25
Fan Shaft Bearings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Centering Fan Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Fan Shaft Position Adjustment . . . . . . . . . . . . . . . . . . 26
Individual Fan Wheel Adjustment . . . . . . . . . . . . . . . 26
Fan Belts........................................26
Fan Rotation .................................... 26
Fan Pulley Alignment ...........................27
Pulley and Drive Adjustment . . . . . . . . . . . . . . . . . . . . 27
Condensate Drains. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Return-Air Filters................................27
Chilled Water Coil Freeze Protection ............27
Coil Removal....................................27
Cleaning Cooling Coil ........................... 27
Cleaning Insulation .............................27
Replacing Filters ................................28
START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . CL-1,CL-2
SAFETY CONSIDERATIONS
Recognize safety information. This is the safety-alert sym-
bol ( ). When you see this symbol on the unit and in instruc-
tions or manuals, be alert to the potential for personal injury.
Understand the signal words — DANGER, WARNING,
and CAUTION. These words are used with the safety-alert
symbol. Danger identifies the most serious hazards which will
result in severe personal injury or death. Warning indicates a
condition that could result in personal injury. Caution is used to
identify unsafe practices which would result in minor personal
injury or product and property damage.
Installing, starting up, and servicing this equipment can be
hazardous due to system pressures, electrical components and
equipment location (elevated structures, etc.).
Only trained, qualified installers and service mechanics
should install, start up, and service this equipment.
Untrained personnel can perform basic maintenance func-
tions such as cleaning coils, and cleaning and replacing filters.
All other operations should be performed by trained service
personnel.
When working on the equipment, observe precautions in the
literature and on tags, stickers, and labels attached to the
equipment.
• Follow all safety codes.
• Wear safety glasses and work gloves.
• Use care in handling, rigging, and setting bulky
equipment.
PRE-INSTALLATION
1. The power supply (v, ph, and Hz) must correspond to that
specified on unit rating plate.
2. The electrical supply provided by the utility must be suf-
ficient to handle load imposed by this unit.
3. Refer to Installation, General section (page 2) and
Fig. 1A-1C for locations of electrical inlets, condensate
drain, duct connections, and required clearances before
setting unit in place.
4. This installation must conform with local building codes
and with the NEC (National Electrical Code) or ANSI
(American National Standards Institute)/NFPA (National
Fire Protection Association) latest revision. Refer to
provincial and local plumbing or wastewater codes and
other applicable local codes.
Improper installation, adjustment, alteration, service, main-
tenance, or use can cause explosion, fire, electric shock, or
other occurrences which may injure you or damage your
property. Consult qualified installer or service agency for
information or assistance. The qualified installer or agency
must use only factory-authorized kits or accessories when
modifying this product.
Be sure all power to equipment is shut off before perform-
ing maintenance or service. More than one disconnect may
be present. Failure to do so may result in personal injury or
damage to the unit.
40RM007-034
40RMQ008-028
40RMS008-034
Packaged Air-Handling Units
50/60 Hz
2
Moving and Storage — To transfer unit from truck to
storage site, use a fork truck. Do not stack units more than
2 high during storage. If unit is to be stored for more than
2 weeks before installation, choose a level, dry storage site free
from vibration. Do not remove plastic wrap or skid from unit
until final installation.
Rigging — All 40RM Series units can be rigged by using
the shipping skid. Units are shipped fully assembled. Do not
remove shipping skids or protective covering until unit is ready
for final placement; damage to bottom panels can result. Use
slings and spreader bars as applicable to lift unit.
INSTALLATION
General — Allow 21/2ft at front and side of unit for service
clearance and airflow. For units equipped with an economizer,
refer to the accessory installation instructions for additional
clearance requirements. Be sure floor, wall, or ceiling can
support unit weight (Tables 1A-1F). See Fig. 1A-1C for
dimensions.
Uncrating — Move unit as near as possible to final loca-
tion before removing shipping skid.
Remove metal banding, top skid, and plastic wrap. Examine
unit for shipping damage. If shipping damage is evident, file
claim with transportation agency. Remove base skid just prior
to actual installation.
Check nameplate information against available power
supply and model number description in Fig. 2.
NOTE: Be sure to remove the styrofoam shipping pad from
the thermostatic expansion valve (TXV). Verify that it has
been removed. See Fig. 3.
Accessories — Refer to instructions shipped with each
accessory for specific information.
3
Table 1A — 40RM Physical Data, English — Cooling Units
LEGEND
*Units are shipped without refrigerant charge.
UNIT 40RM 007 008 012 014 016 024 028 034
NOMINAL CAPACITY (Tons) 6 71/210 121/215 20 25 30
OPERATING WEIGHT (lb)
Base Unit with TXV 381 385 405 670 685 690 1020 1030
Plenum 175 175 175 225 225 225 325 325
FANS
Qty...Diam. (in.) 1...15 1...15 1...15 2...15 2...15 2...15 2...18 2...18
Nominal Airflow (cfm) 2400 3000 4000 5000 6000 8,000 10,000 12,000
Airflow Range (cfm) 1800-
3000
2250-
3750
3000-
5000
3750-
6250
4500-
7500
6,000-
10,000
7,500-
12,500
9,000-
15,000
Nominal Motor Hp (Standard Motor)
208/230-1-60 1.3 2.4 — — — — — —
208/230-3-60 and 460-3-60 2.4 2.4 2.4 2.9 3.7 5.0 7.5 10.0
575-3-60 1.0 2.0 2.0 3.0 3.0 5.0 7.5 10.0
230-3-50, 400-3-50 2.4 2.4 2.9 2.9 2.9 5.0 7.5 10.0
Motor Speed (rpm)
208/230-1-60 1725 1725 — — — — — —
208/230-3-60 and 460-3-60 1725 1725 1725 1725 1725 1745 1745 1745
575-3-60 1725 1725 1725 1725 1725 1745 1755 1755
230-3-50, 400-3-50 1425 1425 1425 1425 1425 1425 1425 1425
REFRIGERANT R-22
Operating charge (lb)
(approx per circuit)* 3.0 3.0 1.5/1.5 2.0/2.0 2.5/2.5 3.5/3.5 4.5/4.5 5.0/5.0
DIRECT-EXPANSION COIL Enhanced Copper Tubes, Aluminum Sine-Wave Fins
Max Working Pressure (psig) 435
Face Area (sq ft) 6.67 8.33 10.0 13.25 17.67 19.88 24.86 29.83
No. of Splits 1 1 2 2 2 2 2 2
No. of Circuits per Split (3 Row/4 Row) 12/12 15/15 9/9 9/12 12/16 13/18 15/20 18/24
Split Type...Percentage — — Face...50/50
Fins/in. 15 15 17 15 15 17 15 15
STEAM COIL
Max Working Pressure (psig at 260 F) 20
Total Face Area (sq ft) 6.67 6.67 6.67 13.33 13.33 13.33 15.0 15.0
Rows...Fins/in. 1...9 1...9 1...9 1...10 1...10 1...10 1...10 1...10
HOT WATER COIL
Max Working Pressure (psig) 150
Total Face Area (sq ft) 6.67 6.67 6.67 13.33 13.33 13.33 15.0 15.0
Rows...Fins/in. 2...8.5 2...8.5 2...8.5 2...8.5 2...8.5 2...8.5 2...12.5 2...12.5
Water Volume
(gal) 8.3 13.9 14.3
(ft3)1.1 1.85 1.90
PIPING CONNECTIONS,
Quantity...Size (in.)
DX Coil — Suction (ODF) 1...11/81...11/82...11/82...11/82...11/82...11/82...13/82...13/8
DX Coil — Liquid Refrigerant (ODF) 1...5/82...5/8
Steam Coil, In (MPT) 1...2
1/21...2
1/2
Steam Coil, Out (MPT) 1...1/21...1
1/2
Hot Water Coil, In (MPT) 1...1
1/21...11/21...2
Hot Water Coil, Out (MPT) 1...1
1/21...11/21...2
Condensate (PVC) 1...11/4 ODM/1 IDF
FILTERS Throwaway — Factory Supplied
Quantity...Size (in.) 4...16 x 24 x 2 4...16 x 20 x 2
4...16 x 24 x 2
4...20 x 24 x 2
4...20 x 25 x 2
Access Location Either Side
DX — Direct Expansion
TXV — Thermostatic Expansion Valve

Produktspecifikationer

Varumärke: Carrier
Kategori: Inte kategoriserad
Modell: 40RMS008-034

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