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50FF 020
Carrier 50FF 020 User Manual
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INST
ALLA
TION,
OPERA
TION AND
MAINTENANCE INSTRUCTIONS
T
ranslation of the original document 80185, 03.2022
Packaged rooftop units
50FF/F
C 020-093
Nominal cooling capacity R-410A
22.3 - 90.2 kW
Nominal heating capacity R-410A
21.9 - 89.7 kW
Nominal cooling capacity R-454B 36.0 - 90.4 kW
Nominal heating capacity R-454B 35.9 - 89.6 kW
2
Table of Contents
Table of Contents
2
Introduction
3
Safety Advise
3
General Safety Advise
3
Safety Standards for Refrigerant
4
Possible Types of Assemblies
5
Transport
7
Receipt of Goods
7
Unit Identifi Cation
7
Handling
7
Discharge Via Forklift Truck
8
Discharge Via Crane
8
Operation Limits
10
Positioning and Installation
10
Storage
10
Choice of Location
10
Antivibrators Assembly (Silent-Blocks)
12
Pre-Assembly Roofcurb (Optional)
13
Change in the Airfl Ow Direction
17
Centres of Gravity, Weight and Reactions in the Supports
19
Recommended Service Clearance
27
Electrical Connection
30
Installation Norms
30
Power Supply
30
Wire Sizing
30
Electrical Cabinet
30
50FC" Electronic Control
31
Location of Sensors on the Machine
32
Sensors Connection by the Costumer
32
Fans and Air Ducts
34
Checks in the Axial Fans
34
Checks in the EC Plug-Fans
34
Checks in the Centrifugal Fans (Optional)
34
Air Ducts Connections
35
Condensate Drain
36
Siphon Installation Norms
36
Safety Elements
37
Factory Options and Accessories
39
Dampers Hoods
39
Droplet Eliminator at the Fresh Air Intake
39
Fresh Air Housing (B3, BX, BP, BA, BW, RP 070 to 093, RW Assemblies)
40
Heat Recovery Wheel Module (BW and RW Assemblies)
41
Enclosure for Lower Return (Models 052 to 062 with R2 Assembly)
43
Return Fans Module (Models 052 to 062 with RP Assembly)
43
Air Fi Lters
44
Heat Recovery Coil
45
Electrical Heaters
46
Droplet Eliminator after the Indoor Coil
46
Preheater Module
47
Hot Water Coil
48
Gas-Fi Red Condensing Boiler (Only with R-410A)
49
Warm Air Heater Module with Gas Burner
56
Cooling Recovery Circuit (BA and BB Assemblies)
65
Zoning of the Air Fl Ow
66
Commissioning
67
Checks Prior to Commissioning
67
Possible Problems at Commissioning
68
Operational Checks
68
Maintenance
69
General Recommendations
69
Servicing
69
Access to the Main Components
70
Control and Analysis of Breakdowns
77
Final Shutdown
78
4
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Carrier 50FF 020 Specifications
General
Brand
Carrier
Model
50FF 020
Category
Air Conditioner
Language
English
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