Carrier PERFORMANCE 50VT-A- User Manual
Carrier PERFORMANCE 50VT-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.
Table of Contents:
- Page 2 – INTRODUCTION; Step 1 — Check Equipment; Identify Unit; Step 2 — Provide Unit Support; Roof Curb; CAUTION; Slab Mount; Step 3 — Provide Clearances
- Page 5 – LARGE CURB; SMALL OR LARGE BASE UNIT
- Page 6 – Step 4 — Rig and Place Unit; Inspection; UNIT FALLING HAZARD; PROPERTY DAMAGE HAZARD; WARNING
- Page 7 – Step 5 — Select and Install Ductwork; PERSONAL INJURY HAZARD; IMPORTANT; CONFIGURING UNITS FOR DOWNFLOW; ELECTRICAL SHOCK HAZARD; NOTE
- Page 8 – Step 6 — Provide for Condensate Disposal; Step 7 — Install Electrical Connections; UNIT COMPONENT DAMAGE HAZARD
- Page 9 – Control Voltage Connections; Standard Connections; Transformer Protection
- Page 17 – ENVIRONMENTAL HAZARD; Checking Cooling and Heating Control Operation; Step 1 — Check for Refrigerant Leaks
- Page 18 – Single Cooling Fan Speed Set-up (Dehumidification
- Page 19 – Single Speed Cooling With Higher Electric Heat Speed; UNIT OPERATION HAZARD; Table 3 – Color Coding for Indoor Fan Motor Leads; Continuous Fan Operation; LEGEND; HPS – High Pressure Switch
- Page 20 – Step 3 — Defrost Control; Quiet Shift
- Page 23 – MAINTENANCE; Step 1 — Air Filter; Indoor Blower and Motor
- Page 27 – Step 11 — Copeland Scroll Compressor (Puron; EXPLOSION HAZARD; Step 12 — Refrigerant System; Refrigerant; PROPERTY HAZARD, PERSONAL INJURY OR; Compressor Oil; Synthetic Roof Precautionary Procedure; Liquid Line Filter Drier
- Page 28 – Step 13 — System Information; Loss of Charge Switch; Check Defrost Thermostat; TROUBLESHOOTING
- Page 30 – Table 10 – Troubleshooting Chart
1
50VT --- A
Performance
t
14 SEER Single --- Packaged Heat Pump
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--9
. . . . . . . . . . . . . . . . . .
Check Equipment
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identify Unit
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspect Shipment
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provide Unit Support
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Roof Curb
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Slab Mount
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provide Clearances
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rig and Place Unit
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rigging/Lifting of Unit
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Select and Install Ductwork
7
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Converting Horizontal Discharge Units to Downflow
(Vertical) Discharge Units
7
. . . . . . . . . . . . . . . . . . . . . . . . . .
Provide for Condensate Disposal
8
. . . . . . . . . . . . . . . . . . . . . .
Install Electrical Connections
8
. . . . . . . . . . . . . . . . . . . . . . . . .
High--Voltage Connections
8
. . . . . . . . . . . . . . . . . . . . . . . . .
Special Procedures for 208--V Operation
9
. . . . . . . . . . . . . . .
Control Voltage Connections
9
. . . . . . . . . . . . . . . . . . . . . . . .
Standard Connections
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transformer Protection
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessory Electric heaters Installation
9
. . . . . . . . . . . . . . . . .
Sequence of Operation
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
PRE--START--UP
17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START--UP
17--20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking Cooling & Heating Control Operation
17
. . . . . . . .
Check for Refrigerant Leaks
17
. . . . . . . . . . . . . . . . . . . . . . . . .
Start--Up Adjustments
17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking & Adjusting Refrigerant Charge
18
. . . . . . . . . . . .
Indoor Airflow & Airflow Adjustments
18
. . . . . . . . . . . . . .
Continuous Fan Operation
19
. . . . . . . . . . . . . . . . . . . . . . . .
Defrost Control
20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Quiet Shift
20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defrost
20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MAINTENANCE
23--28
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Filter
23
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Indoor Blower and Motor
23
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Outdoor Coil, Indoor Coil, & Condensate Drain Pan
26
. . . . . .
Outdoor Fan
26
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Controls and Wiring
26
. . . . . . . . . . . . . . . . . . . . . . .
Refrigerant Circuit
26
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Indoor Airflow
26
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Metering Devices-- TXV & Piston
26
. . . . . . . . . . . . . . . . . . . .
Pressure Switches
27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loss of Charge Switch
27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High Pressure Switch
27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A09033
Fig. 1 -- Unit 50VT--A
Copeland Scroll compressor (Puron Refrigerant)
27
. . . . . . . . .
Refrigerant System
27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Refrigerant
27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compressor Oil
27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Servicing Systems on Roofs with Synthetic Materials
27
. . . .
Liquid Line Filter Drier
27
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Puron
R
(R--410A) Refrigerant Charging
28
. . . . . . . . . . . . .
System Information
28
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loss of Charge Switch
28
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Defrost Thermostat
28
. . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING
28
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START--UP CHECKLIST
28
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
SAFETY CONSIDERATIONS
Installation and servicing of this equipment can be hazardous due
to mechanical and electrical components. Only trained and
qualified personnel should install, repair, or service this equipment.
Untrained personnel can perform basic maintenance functions such
as cleaning and replacing air filters. All other operations must be
performed by trained service personnel. When working on this
equipment, observe precautions in the literature, on tags, and on
labels attached to or shipped with the unit and other safety
precautions that may apply.
Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Use quenching cloth for brazing operations.
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 Electrical Code (NEC) NFPA 70.
In Canada refer to the current editions of the Canadian Electrical
Code CSA C22.1.
"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
2 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 signal words: DANGER, WARNING, and CAUTION. Thesewords are used with the safety--alert symbol. DANG...
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