Carrier 40RMQ- Manual

Carrier 40RMQ

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Table of Contents:

  • Page 2 – Table 1A — 40RM Physical Data, English
  • Page 3 – Table 1B — 40RMQ Physical Data, English
  • Page 4 – Table 1C — 40RMS Physical Data, English
  • Page 5 – Table 1D — 40RM Physical Data, SI
  • Page 6 – Table 1E — 40RMQ Physical Data, SI
  • Page 7 – Table 1F — 40RMS Physical Data, SI
  • Page 8 – UNIT
  • Page 11 – Unit Positioning —; The unit can be mounted on the; Fig. 2 — Model Number Nomenclature
  • Page 12 – Unit Isolation —; Where extremely quiet operation is; Refrigerant and Chilled Water Piping Access —; The 40RM and 40RMQ direct-expansion units have; Fig. 4 — Refrigerant and Chilled Water Piping Access Holes
  • Page 13 – VERTICAL INSTALLATION; Fig. 6 — Typical Evaporator Coil Connections; TXV — Thermostatic Expansion Valve; Fig. 7 — TXV Sensing Bulb Location; TXV — Thermostatic Expansion Valve
  • Page 14 – Table 2 — Factory-Installed Nozzle and Distributor Data; The LLSV must be installed at the outdoor unit with the; RECOMMENDED FILTER DRIERS*; Fig. 8 — Filter Drier Requirements —
  • Page 15 – Table 3 — Fitting Requirements
  • Page 17 – Chilled Water Piping —; See Tables 1C and 1F for; Fig. 9 — Typical 40RMS Chilled Water Piping
  • Page 18 – Condensate Drain —; Install a trapped condensate drain; Fan Motors and Drives —; Motor and drive pack-; Fig. 10 — Condensate Drains
  • Page 19 – Power Supply and Wiring —; Check the unit data; Fig. 12 — Wiring and Service Access
  • Page 20 – Table 4 — Electrical Data, Standard Motors
  • Page 21 – Table 5 — Electrical Data, Alternate Motors
  • Page 22 – Table 6 — Fan Contactor Coil Data; Connecting Ductwork —; Refer to the Carrier Sys-; Fig. 14 — Unit Wiring; Fig. 15 — Typical Fan Discharge Connections
  • Page 23 – Table 7 — Lubricant Data; Fig. 16 — Duct Flange Installation
  • Page 24 – Fig. 18 — Fan Shaft Bearing
  • Page 36 – Legend and Notes for Table 10A and 10B; Factory-Supplied Filter Pressure Drop — English
  • Page 37 – Table 10C — Fan Performance Data — 0-300 Pa ESP — SI
  • Page 38 – Table 10D — Fan Performance Data — 350-600 Pa ESP — SI
  • Page 39 – Legend and Notes for Tables 10C and 10D; ESP — External Static Pressure; Factory-Supplied Filter Pressure Drop — SI; Replacing Filters —; Filters can be removed and in-
  • Page 43 – A. Preliminary Information; OUTDOOR UNIT
  • Page 44 – CHECK VOLTAGE IMBALANCE; COMP A1
Loading the manual

Installation, Start-Up and

Service Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . 1

PRE-INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . 1

Moving and Storage

. . . . . . . . . . . . . . . . . . . . . . . . 1

Rigging

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23

General

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Uncrating

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Accessories

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Unit Positioning

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Unit Isolation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Refrigerant and Chilled Water

Piping Access

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Refrigerant Piping

. . . . . . . . . . . . . . . . . . . . . . . . . . 12

Chilled Water Piping

. . . . . . . . . . . . . . . . . . . . . . . 17

Condensate Drain

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

Fan Motors and Drives

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

Power Supply and Wiring

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

Connecting Ductwork

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

Return-Air Filters

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

START-UP

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

SERVICE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-39

Panels

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

Fan Motor Lubrication

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

Fan Shaft Bearings

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

Centering Fan Wheel

. . . . . . . . . . . . . . . . . . . . . . . 24

Fan Shaft Position Adjustment

. . . . . . . . . . . . . . 24

Individual Fan Wheel Adjustment

. . . . . . . . . . . 24

Fan Belts

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Fan Rotation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Fan Pulley Alignment

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

Pulley and Drive Adjustment

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

Condensate Drains

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

Return-Air Filters

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

Chilled Water Coil Freeze Protection

. . . . . . . . 25

Coil Removal

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

Cleaning Cooling Coil

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

Cleaning Insulation

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

Replacing Filters

. . . . . . . . . . . . . . . . . . . . . . . . . . . 39

START-UP CHECKLIST

. . . . . . . . . . . . . . . . CL-1,CL-2

SAFETY CONSIDERATIONS

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.

Be sure all power to equipment is shut off before per-
forming maintenance or service. More than one discon-
nect may be present.

PRE-INSTALLATION

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 us-

ing 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 2

1

⁄

2

ft at front and side of unit for

service clearance and airflow. For units equipped with an econo-
mizer, refer to the accessory installation instructions for ad-
ditional clearance requirements. Be sure floor, wall, or ceil-
ing

can

support

unit

weight

(Tables

1A-1F).

See

Fig. 1A-1C for dimensions.

Uncrating —

Move unit as near as possible to final lo-

cation before removing shipping skid.

Remove metal banding, top skid, and plastic wrap. Ex-

amine 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.

Accessories —

Refer to instructions shipped with each

accessory for specific information.

40RM

40RMQ

40RMS

Packaged Air-Handling Units

50/60 Hz

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

Book 1

4

Tab

3c 2e

PC 111

Catalog No. 534-053

Printed in U.S.A.

Form 40RM-9SI

Pg 1

11-95

Replaces: 40RM-1SI

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Summary

Page 2 - Table 1A — 40RM Physical Data, English

Table 1A — 40RM Physical Data, English UNIT 40RM 007 008 012 014 016 024 028 034 NOMINAL CAPACITY (Tons) 6 7 1 ⁄ 2 10 12 1 ⁄ 2 15 20 25 30 OPERATING WEIGHT (lb) Base Unit with TXV 381 385 405 670 685 690 1020 1030 Plenum 97 97 97 140 140 140 180 180 FANS Qty...Diam. (in.) 1...15 1...15 1...15 2...15...

Page 3 - Table 1B — 40RMQ Physical Data, English

Table 1B — 40RMQ Physical Data, English UNIT 40RMQ 008 012 016 NOMINAL CAPACITY (Tons) 7 1 ⁄ 2 10 15 OPERATING WEIGHT (lb) Base Unit with TXV 385 427 713 Plenum 97 97 140 FANS Qty...Diam. (in.) 1...15 1...15 2...15 Nominal Airflow (cfm) 3000 4000 6000 Airflow Range (cfm) 2250-3750 3000-5000 4500-750...

Page 4 - Table 1C — 40RMS Physical Data, English

Table 1C — 40RMS Physical Data, English UNIT 40RMS 008 010 012 014 016 024 028 034 NOMINAL CAPACITY (Tons) 7 1 ⁄ 2 8 1 ⁄ 2 10 12 1 ⁄ 2 15 20 25 30 OPERATING WEIGHT (lb) Base Unit 390 391 391 661 677 683 1035 1042 Plenum 97 97 97 140 140 140 180 180 FANS Qty...Diam. (in.) 1...15 1...15 1...15 2...15 ...

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