Carrier Performance 48VR-A- User Manual

Carrier Performance 48VR-A

Carrier Performance 48VR-A– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – INTRODUCTION; Step 1 — Check Equipment; Identify Unit; Step 2 — Provide Unit Support; Roof Curb
  • Page 3 – Slab Mount; except; Step 3 — Field Fabricate Ductwork; Inspection; WARNING
  • Page 7 – LARGE CURB; SMALL OR LARGE BASE UNIT
  • Page 8 – Standard Copper Tube Aluminum Fin; Optional Copper Tube Copper Fin
  • Page 10 – Step 6 — Connect Condensate Drain; Step 7 — Install Flue Hood; NOTE
  • Page 11 – Step 8 — Install Gas Piping
  • Page 12 – Step 9 — Install Duct Connections; Configuring Units for Downflow (Vertical) Discharge; Horizontal Duct Covers
  • Page 13 – Step 10 — Install Electrical Connections; Then; Control Voltage Connections
  • Page 14 – Standard Connection; IMPORTANT; Balance Point Setting--Thermidistat or Hybrid; ELECTRICAL SHOCK HAZARD
  • Page 15 – FIRE, EXPLOSION HAZARD; Step 1 — Check for Refrigerant Leaks; EXPLOSION HAZARD; Adjustments
  • Page 16 – Check Gas Heating Control; UNIT DAMAGE HAZARD; CAUTION; Adjust Gas Input
  • Page 17 – Measure Manifold Pressure (Propane Units); Check Burner Flame
  • Page 18 – Table 4 – Natural Gas Orifice Sizes and Manifold Pressure; Nameplate
  • Page 27 – Table 6 – LED Indications; ments
  • Page 28 – Checking and Adjusting Refrigerant Charge; Indoor Airflow and Airflow Adjustments; OPERATION MODE
  • Page 29 – Table 8 – Color Coding for Indoor Fan Motor Leads; Selection of Proper Fan Speeds for Operation; Using the Same Fan Speed for More than One Mode:; Cooling Sequence of Operation; Step 4 — Defrost Control; Quiet Shift
  • Page 30 – Table 9 – Subcooling Charging Chart
  • Page 46 – MAINTENANCE; Air Filter
  • Page 48 – Outdoor Fan; UNIT OPERATION HAZARD; Electrical Controls and Wiring; EXPLOSION, SAFETY AND ENVIRONMENTAL
  • Page 49 – MAX DISTANCE BETWEEN TOP OF FAN GRILLE AND BOTTOM OF FAN BLADE; SIZE; Gas Input; FEEDER TUBE; Pressure Switches
  • Page 50 – Copeland Scroll Compressor (Puron Refrigerant); FIRE/EXPLOSION HAZARD; ENVIRONMENTAL; Refrigerant System; Compressor Oil; Servicing Systems on Roofs with Synthetic Materials; TROUBLESHOOTING
  • Page 52 – LEGEND; HPS – High Pressure Switch
  • Page 55 – Table 14 – Troubleshooting Chart
Loading the manual

1

48VR --- A

Performance

t

15 SEER 2 --- Stage Packaged

HYBRID HEAT

R

Dual Fuel System with Puron

(R --- 410A) Refrigerant

Single and Three Phase

2 --- 5 Nominal Tons (Sizes 24 --- 60)

Installation Instructions

NOTE

:

Read the entire instruction manual before starting the

installation.

NOTE

:

Installer: Make sure the Owner’s Manual and Service

Instructions are left with the unit after installation.

TABLE OF CONTENTS

PAGE

SAFETY CONSIDERATIONS

1

. . . . . . . . . . . . . . . . . . . . . . . . .

INTRODUCTION

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

RECEIVING AND INSTALLATION

2--14

. . . . . . . . . . . . . . . . .

Check Equipment

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Identify Unit

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Inspect Shipment

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Provide Unit Support

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Roof Curb

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Slab Mount

3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Field Fabricate Ductwork

3

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Provide Clearances

3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rig and Place Unit

3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Inspection

3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rigging/Lifting of Unit

3

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connect Condensate Drain

10

. . . . . . . . . . . . . . . . . . . . . . . . . .

Install Flue Hood

10

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Install Gas Piping

11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Install Duct Connections

12

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Configuring Units for Downflow (Vertical)

Discharge

12

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Install Electrical Connections

13

. . . . . . . . . . . . . . . . . . . . . . . .

High--Voltage Connections

13

. . . . . . . . . . . . . . . . . . . . . . . .

Special Procedures for 208--V Operation

13

. . . . . . . . . . . . . .

Control Voltage Connections

13

. . . . . . . . . . . . . . . . . . . . . . .

Standard Connection

14

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Heat Anticipator Setting

14

. . . . . . . . . . . . . . . . . . . . . . . . . .

Transformer Protection

14

. . . . . . . . . . . . . . . . . . . . . . . . . . .

PRE--START--UP

14

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

START--UP

15--29

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Check for Refrigerant Leaks

15

. . . . . . . . . . . . . . . . . . . . . . . . .

Start--Up Heating & Make Adjustments

15

. . . . . . . . . . . . . . . .

Check Heating Control

16

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Check Gas Input

16

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adjust Gas Input

16

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Check Burner Flame

17

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Normal Operation

27

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Airflow and Temperature Rise

27

. . . . . . . . . . . . . . . . . . . . . .

Heating Sequence of Operation

27

. . . . . . . . . . . . . . . . . . . . .

Limit Switches

27

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rollout Switch

27

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Start--Up Cooling & Make Adjustments

27

. . . . . . . . . . . . . . . .

Checking Cooling Control Operation

27

. . . . . . . . . . . . . . . .

Checking & Adjusting Refrigerant Charge

28

. . . . . . . . . . . .

Indoor Airflow and Airflow Adjustments

28

. . . . . . . . . . . . .

Cooling Sequence of Operation

29

. . . . . . . . . . . . . . . . . . . . .

MAINTENANCE

46--49

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Air Filter

46

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Indoor Blower and Motor

46

. . . . . . . . . . . . . . . . . . . . . . . . .

A09033

Fig. 1 -- Unit 48VR--A

(Low NOx Model Available)

Induced Draft (Combustion Air) Blower

47

. . . . . . . . . . . . . .

Flue Gas Passageways

47

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Limit Switch

47

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Burner Ignition

47

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Main Burners

47

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Removal of Gas Train

47

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Outdoor Coil, Indoor Coil, & Condensate Drain Pan

47

. . . .

Outdoor Fan

48

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical Controls and Wiring

48

. . . . . . . . . . . . . . . . . . . . .

Refrigerant Circuit

48

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Gas Input

49

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Evaporator Airflow

49

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Puron Items

49

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TROUBLESHOOTING

50

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

START--UP CHECKLIST

50

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service maintenance,

or use can cause explosion, fire, electrical shock, or other
conditions which may cause death, 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
packaged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Have a fire extinguisher available. Read these

instructions thoroughly and follow all warnings or cautions

included in literature and attached to the unit. consult local
building codes, the current editions of the National Fuel Gas Code

(NFGC) NFPA 54/ANSI Z223.1, and the National Electrical Code
(NEC) NFPA 70.
In Canada refer to the current editions of the National Standards of

Canada CAN/CSA--B149.1 and .2 Natural Gas and Propane

Installation codes, and Canadian Electrical Code CSA C22.1
Recognize safety information. This is the safety--alert symbol

.

When you see this symbol on the unit and in instructions or manu-

als, be alert to the potential for personal injury. Understand these

"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.

Summary

Page 2 - INTRODUCTION; Step 1 — Check Equipment; Identify Unit; Step 2 — Provide Unit Support; Roof Curb

2 signal words: DANGER, WARNING, and CAUTION. Thesewords 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 per- sonal injury or death. CAUTION is used to identify un...

Page 3 - Slab Mount; except; Step 3 — Field Fabricate Ductwork; Inspection; WARNING

3 UNITS/STRUCTURAL DAMAGE HAZARD Failure to follow this caution may result in property damage.Ensure there is sufficient clearance for saw blade when cutting the outer horizontal flange of the roof curb so there is no damage to the roof or flashing. WARNING ! Slab Mount Place the unit on a solid, le...

Page 7 - LARGE CURB; SMALL OR LARGE BASE UNIT

7 RETURN AIR SMALL BASE UNIT SUPPLY AIR LARGE BASE UNIT UNIT PLACEMENT ON COMMON CURB LARGE CURB SMALL OR LARGE BASE UNIT SMALL/COMMON CURB ROOF CURB DETAIL Wood nailer* Roofcurb* Insulation(field supplied) *Provided with roofcurb Cant stripfield supplied Roofing materialfield supplied Flashing fiel...

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