Carrier R-410A - Manual

Carrier R-410A

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Table of Contents:

  • Page 2 – INSTALLATION; General —; Fig. 1 — Foam Block Location; Accessories —; ELECTRICAL SHOCK HAZARD; TXV —
  • Page 3 – Fig. 2A — Dimensions – Size 25; UNIT
  • Page 4 – Fig. 2B — Dimensions – Sizes 28 and 30
  • Page 5 – Table 1A — 40RUA Physical Data, English — Cooling Units
  • Page 6 – Table 1B — 40RUA Physical Data, SI — Cooling Units
  • Page 7 – Table 1C — 40RUS Physical Data, English — Chilled Water Units
  • Page 8 – Table 1D — 40RUS Physical Data, SI — Chilled Water Units
  • Page 9 – Unit Positioning —; The unit can be mounted on the
  • Page 10 – Fig. 6 — Preferred Suspension Technique; OVERHEAD SUSPENSION ACCESSORY
  • Page 11 – Unit Isolation —; Where extremely quiet operation is; Refrigerant Piping —; See Tables 1A– 1D for refrigerant
  • Page 12 – Fig. 10 — TXV Sensing Bulb Location; V ERTI CA L I NS TALL ATI ON
  • Page 15 – Chillled Water Piping —; See Tables 1C and 1D for
  • Page 16 – Condensate Drain —; Install a trapped condensate drain; Fan Motors and Drives —; Motor and drive packages
  • Page 17 – Power Supply and Wiring —; Check the unit data; TXV —
  • Page 18 – Table 4 — Electrical Data, Standard Motors; Table 5 — Electrical Data, Alternate Motors; Legend and Notes For Tables 4 and 5; FLA; MOCP
  • Page 19 – Fig. 17 — Unit Wiring
  • Page 20 – Table 6 — Fan Contactor Coil Data; Connecting Ductwork —; Fig. 18 — Typical Fan Discharge Connections for Multiple Fan Units; UNIT OPERATION HAZARD
  • Page 21 – Fig. 19 — Duct Flange Installation; SERVICE; • Inspection of panels and sealing of unit against air; Panels —; Panels are fastened to unit frame with sheet metal; Fan Motor Lubrication —; Fan motor supplied with; Fan Shaft Bearings —; Table 7 — Lubricant Data
  • Page 22 – Centering Fan Wheel —; If fan and fan shaft assembly; Fan Shaft Position Adjustment —; Fig. 21 — Fan Shaft Bearing; Individual Fan Wheel Adjustment —; Loosen the; Fan Belts —; Motor mounting plate and motor support; Fan Rotation —; Correct fan rotation with respect to fan
  • Page 24 – Replacing Filters —; Filters can be removed and in-
  • Page 31 – Table 10B — 40RU Standard Fan Performance Data —
  • Page 32 – Table 10C — 40RU High-Capacity Fan Performance Data —
  • Page 33 – Table 10D — 40RU High-Capacity Fan Performance Data —
  • Page 34 – Legend and Notes for Tables 10A and 10C; FACTORY-SUPPLIED PRESSURE DROP — ENGLISH; Legend and Notes for Tables 10B and 10D; FACTORY-SUPPLIED PRESSURE DROP — S
  • Page 35 – I. PRELIMINARY INFORMATION; OUTDOOR UNIT
  • Page 36 – CHECK VOLTAGE IMBALANCE; CHECK INDOOR FAN MOTOR SPEED AND RECORD.; COMP A1
Loading the manual

Installation, Start-Up and

Service Instructions

TABLE OF CONTENTS

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . 1
PRE-INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Moving and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Rigging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–20

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Uncrating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Unit Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Unit Isolation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Refrigerant and Chilled Water Piping Access . . . . . . 11
Refrigerant Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Chilled Water Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Fan Motors and Drives . . . . . . . . . . . . . . . . . . . . . . . . . 16
Power Supply and Wiring . . . . . . . . . . . . . . . . . . . . . . . 17
Connecting Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

START-UP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
SERVICE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21–34

Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Fan Motor Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Fan Shaft Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Centering Fan Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Fan Shaft Position Adjustment . . . . . . . . . . . . . . . . . . . 22
Individual Fan Wheel Adjustment . . . . . . . . . . . . . . . . 22
Fan Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Fan Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Fan Pulley Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Pulley and Drive Adjustment . . . . . . . . . . . . . . . . . . . . 23
Condensate Drains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Chilled Water Coil Freeze Protection . . . . . . . . . . . . 23
Coil Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Cleaning Cooling Coil . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Cleaning Insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Replacing Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . CL-1, CL-2

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service,
maintenance, or use can cause explosion, fire, electrical shock
or other conditions which may cause personal injury or
property damage. Consult a qualified installer, service agency,
or your distributor or branch for information or assistance. The
qualified installer or agency must use factory-authorized kits or
accessories when modifying this product. Refer to the
individual instructions package
Follow all safety codes. Wear safety glasses and work gloves.
Use quenching cloths for brazing operations and have a fire
extinguisher available. Read these instructions thoroughly and
follow all warnings or cautions attached to the unit. Consult
local building codes and appropriate national electrical codes
(in USA, ANSI/NFPA70, National Electrical Code (NEC); in
Canada, CSA C22.1) for special requirements.
It is important to recognize safety information. This is the
safety-alert symbol

. When you see this symbol on the unit

and in instructions or manuals, be alert to the potential for
personal injury.
Understand the signal words DANGER, WARNING,
CAUTION, and NOTE. 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 signifies hazards which

could

result in personal

injury or death. CAUTION is used to identify unsafe practices,
which

may

result in minor personal injury or product and

property damage. NOTE is used to highlight suggestions
which

will

result in enhanced installation, reliability, or

operation.

40RU

Packaged Air-Handling Units
60 Hz
with Puron

®

(R-410A) Refrigerant

Sizes 25, 28, 30

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Summary

Page 2 - INSTALLATION; General —; Fig. 1 — Foam Block Location; Accessories —; ELECTRICAL SHOCK HAZARD; TXV —

2 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. 2A and Fig. 2B for loc...

Page 3 - Fig. 2A — Dimensions – Size 25; UNIT

3 Fig. 2A — Dimensions – Size 25 LEGEND TXV — Thermostatic Expansion Valve NOTES:1. Dimensions in [ ] are in millimeters. 2. Direction of airflow. 3. Recommended clearance: • Rear: 3 in. (76 mm) • Front: 2 ft, 6 in. (762 mm) • Right Side: 2 ft, 6 in. (762 mm) • Left Side: 2 ft, 6 in. (762 mm) • Loca...

Page 4 - Fig. 2B — Dimensions – Sizes 28 and 30

4 Fig. 2B — Dimensions – Sizes 28 and 30 UNIT UNIT WEIGHT lb (kg) 40RUA*28 1050 (477) 40RUA*30 1062 (482) 40RUS*28 1035 (469) 40RUS*30 1042 (473) LEGEND TXV — Thermostatic Expansion Valve NOTES:1. Dimensions in [ ] are in millimeters. 2. Direction of airflow. 3. Recommended clearance: • Rear: 3 in. ...

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