Carrier INFINITY 50XT-A- User Manual
Carrier INFINITY 50XT-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 – SAFETY CONSIDERATIONS; WARNING; CAUTION; INTRODUCTION; Step 1 — Check Equipment; except
- Page 6 – Step 3 — Provide Clearances; IMPORTANT; Step 4 — Rig and Place Unit; ELECTRICAL SHOCK HAZARD; Rigging/Lifting of Unit; UNIT FALLING HAZARD; UNIT FALLING HAZARD
- Page 7 – DETAIL A; Step 5 — Select and Install Ductwork
- Page 8 – PROPERTY DAMAGE HAZARD; Step 6 — Provide for Condensate Disposal; NOTE
- Page 9 – Step 7 — Install Electrical Connections; UNIT COMPONENT DAMAGE HAZARD
- Page 11 – TOP COVER; A. Accessory Electric Heaters
- Page 12 – The fan coil control board terminal marked HUM is provided for
- Page 13 – ENVIRONMENTAL HAZARD
- Page 17 – Step 2 — Sequence of Operation
- Page 18 – Table 2 – Heat Pump/Air Conditioner Board Status Codes; After second stage is satisfied, the unit returns to low--stage; Outdoor fan motor will continue to operate for one
- Page 20 – Step 3 — Check for Refrigerant Leaks
- Page 22 – MAINTENANCE
- Page 23 – UNIT OPERATION HAZARD; Infinity Top
- Page 24 – Step 11 — Refrigerant System
- Page 25 – TROUBLESHOOTING
- Page 26 – FINAL CHECKS; CARE AND MAINTENANCE
- Page 27 – Never
- Page 28 – Table 7 – Troubleshooting Chart
1
50XT --- A
Infinity
t
15 SEER Single --- Packaged Heat Pump
System With Puron
®
(R --- 410A) Refrigerant
Single Phase
2 to 5 Nominal Tons (Sizes 24 --- 60)
Installation Instructions
EQUIPMENT OPERATION HAZARD
OAT sensor must be field installed. See Accessory
Installation for more details.
!
CAUTION
EQUIPMENT OPERATION HAZARD
This Infinity unit is designed for use with an Infinity User
Interface.
!
CAUTION
NOTE
:
Read the entire instruction manual before starting the
installation.
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS
2
. . . . . . . . . . . . . . . . . . . . . . . . .
INTRODUCTION
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RECEIVING AND INSTALLATION
2--12
. . . . . . . . . . . . . . . . .
Check Equipment
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identify Unit
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspect Shipment
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provide Unit Support
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Roof Curb
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Slab Mount
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provide Clearances
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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
8
. . . . . . . . . . . . . . . . . . . . . . . . . .
Provide for Condensate Disposal
8
. . . . . . . . . . . . . . . . . . . . . .
Install Electrical Connections
9
. . . . . . . . . . . . . . . . . . . . . . . . .
High--Voltage Connections
9
. . . . . . . . . . . . . . . . . . . . . . . . .
Routing Power Leads Into Unit
9
. . . . . . . . . . . . . . . . . . . . . .
Connecting Ground Lead to Ground Screw
9
. . . . . . . . . . . .
Routing Control Power Wires
11
. . . . . . . . . . . . . . . . . . . . .
Accessory Installation
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special Procedures for 208--v Operation
12
. . . . . . . . . . . . . .
PRE--START--UP
13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START--UP
13--20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Start--Up
13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sequence of Operation
17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check for Refrigerant Leaks
20
. . . . . . . . . . . . . . . . . . . . . . . . .
Start--Up Adjustments
20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking Cooling and Heating Control Operation
20
. . . . . .
Checking and Adjusting Refrigerant Charge
20
. . . . . . . . . . .
Refrigerant Charge
20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A09032
Fig. 1 -- Unit 50XT
No Charge
20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Charge Cooling
20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
To Use Cooling Charging Charts
20
. . . . . . . . . . . . . . . . . . . .
Indoor Airflow and Airflow Adjustments
20
. . . . . . . . . . . . .
Non--Communicating Emergency Cooling/Heating Mode
20
. .
MAINTENANCE
22--24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Filter
23
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Indoor Fan and Motor
23
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outdoor Coil, Indoor Coil, and Condensate Drain Pan
23
. . . . .
Outdoor Fan
23
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Controls and Wiring
23
. . . . . . . . . . . . . . . . . . . . . . .
Refrigerant Circuit
23
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Indoor Airflow
23
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Metering Devices–TXV & AccuRater
®
Piston
23
. . . . . . . . . . .
Pressure Switches
24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loss--of--Charge Switch
24
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
High--Pressure Switches
24
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Copeland Scroll Compressor (Puron
®
Refrigerant)
24
. . . . . . . .
Refrigerant System
24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Refrigerant
24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compressor Oil
24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Servicing Systems on Roofs with Synthetic Materials
24
. . . .
Liquid--Line Filter Drier
24
. . . . . . . . . . . . . . . . . . . . . . . . . .
Puron (R--410A) Refrigerant Charging
24
. . . . . . . . . . . . . . .
TROUBLESHOOTING
25
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FINAL CHECKS
26
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CARE AND MAINTENANCE
26
. . . . . . . . . . . . . . . . . . . . . . . .
START--UP CHECKLIST
29
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Summary
2 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 propertydamage. Consult a qualified installer, service agency, or your distributor or branch f...
6 Step 3 — Provide Clearances The required minimum service clearances are shown in Fig. 5 and6. Adequate ventilation and outdoor air must be provided. The outdoor fan draws air through the outdoor coil and discharges it through the top fan grille. Be sure that the fan discharge does notrecirculate t...
7 ACCESS PANELS MUST BE IN PLACE WHEN RIGGING. PANNEAUX D'ACCES DOIT ÊTRE EN PLACE POUR MANIPULATION. 50CY502286 2.0 CAUTION - NOTICE TO RIGGERSPRUDENCE - AVIS AUX MANIPULATEUR Use top skid as spreader bar. / Utiliser la palette du haut comme barre de répartition SEAL STRIP MUST BE INPLACE BEFORE PL...
