Carrier WeatherMaster 50V 74 Manuals

Manuals and User Guides for Carrier WeatherMaster 50V 74. We have 1 Carrier WeatherMaster 50V 74 manual available for free PDF download: Installation And Start-Up Instructions Manual

Carrier WeatherMaster 50V 74 Installation And Start-Up Instructions Manual (134 pages)

Optional Electric or Hydronic Heating and Electric Cooling Applied Rooftop Units with Puron Advance Refrigerant (R-454B) and Carrier SmartVu Control

Brand: Carrier | Category: Air Conditioner | Size: 40 MB

Table of Contents
1
General
2
Safety Considerations
2
A2L Refrigeration Information
3
Transportation
3
Minimum Conditioned Space Area
3
Leak Detection and Dissipation
4
Duct System
6
Installation
6
Service
6
Service Parts
6
Electrical Safety
6
Refrigerant System Safety
7
Electronic Leak Detectors
7
Leak Detection Fluids
7
Charging
8
Decommissioning
8
Pre-Installation
9
Step 1 - Inspect Equipment
9
Step 2 - Unload Equipment
9
Step 3 - Store Equipment (if Required)
9
Installation
10
Step 1 - Perform Jobsite Survey
10
Step 2 - Install Unit Support
10
Roof Curb
10
Steel Beams
10
Slab Mount Unit
10
Retrofit Unit
10
Step 3 - Install Field-Fabricated Ductwork
10
Step 4 - Install Field-Fabricated Ductwork
28
Step 5 - Install Curb Gasketing
28
Return Units Only)
28
Step 6 - Rig Unit
28
Step 7 - Connect Primary Condensate Drain
28
Step 8 - Connect Secondary Condensate Drain
28
(Sizes 54-98)
28
Step 9 - Install Barometric Relief Hoods
59
Relief Only)
59
Step 10 - Set up Power Exhaust (Size 28-98 with Standard Static Power Exhaust or Size 28-50 with Medium Static Power Exhaust Only)
59
Step 11 - Route Field Wiring
61
Unit Power Feed
61
Unpowered Convenience Oulet
61
Ultra-Violet Light (Uv-C) Fixtures
61
Power Wire Sizing
61
Operating Voltage
61
Ground Wiring
62
Overcurrent Protection
62
Short Circuit Current Protection
62
Route Field Wiring
62
Step 12 - Set up Pre-Filter Status
66
Switch (Optional)
66
Step 13 - Connect Air Pressure Tubing
66
Vav Indoor Fan
66
Power Exhaust Building Pressure Control
66
Step 14 - Set up Return Air Smoke Detector
67
(Optional)
67
Step 15 - Connect Hot Water Piping and Accessories (Hot Water Coil Units Only - Optional)
67
Step 16 - Wire Hot Water Control Valve (Units with Hot Water Coil Only)
68
Step 17 - Install Supply-Air Temperature Sensor (Modulating Heat Units Only)
68
Step 18 - Install Unit Accessories
68
Step 19 - Install Control Wiring (Optional)
68
Configure Control Transformer
68
(208V Units Only)
68
Route Wiring
68
Field Use Terminal Strips
69
Step 20 - Install Communication
72
Wiring (Optional)
72
Carrier Comfort Network ® Ccn
72
Bacnet Ms/Tp Wiring Recommendations
72
Bacnet Ip/Ethernet Communication
72
Non-Ccn Communication Wiring
72
Wiring Specifications
73
Controls Operation and Quick Setup
74
Introduction
74
Overview
74
Control Interface
74
Navigation
74
Touchscreen Display
74
Vnc Viewer
74
Legacy Control Interfaces
74
Navigation Convention
76
Data Entry
77
Main Screens
79
Welcome Screen
79
Login Screen
79
Passwords
79
User Logins Screen
79
Main Menu
79
Home Screen
79
Status Screen
80
Setpoint Screens
80
System Configuration Screens
80
Controller Configuration Screens
80
Controller ID Screen
80
Start/Stop Screen
80
Auto Reset
81
Control Quick Set up
81
Step a - Power on the Control
82
Step B - Login with User Access Level
82
Step C - Set Daylight Savings Time (Dst) (Optional)
82
Step E - Configure Equipment for Field-Installed Devices
82
Configuration Value
83
Step F - Configure Equipment for Field-Installed Sensors
85
Step G - Configure Indoor Fan
85
Step H - Configure Outdoor Air Damper
88
(Optional)
88
Step I - Configure the Cooling System
90
Step J - Configure the Dehumidification
90
System (Optional)
92
Step K - Configure the Heating System
92
Step L - Configure Exhaust Fan (Optional)
92
Step M - Configure Free Cooling (Optional)
92
Step N - Set Indoor Fan Setpoints (Optional)
95
Step O - Set Cooling Setpoints
95
Step P - Set Dehumidify Setpoints
96
Step Q - Set Heating Setpoints (Optional)
96
Step R - Set Exhaust Fan Setpoints
97
Step S - Set up Occupancy Control
97
Operation
98
Temporary Operation for an Under-Construction
98
Building
98
Temporary Operation During Building Finishing
98
Temporary Operation with a Generator
98
Temporary Operation for a Completed Building
98
Normal Operation
98
Sequence of Operation
98
Cool/Heat Demand Sources
99
Return Air Temperature (Rat)
99
Space Temperature (Spt)
99
Thermostat (Tsat)
100
Dehumidify Demand Sources
101
Return Air Relative Humidity (Rarh)
101
Space Relative Humidity (Sprh)
101
Humidistat (Hstat)
101
Indoor Fan
101
Constant Volume (CV)
101
Staged Air Volume (Sav) Capacity
103
Supply Pressure Control (Sp)
103
Third-Party Input Control (Third-Party)
103
Single Zone Vav (Sz-Vav)
103
Cooling and Heating Modes
106
Mechanical Cooling
106
Heat Tempered Cooling Mode
106
Venting Modes
106
Modulating Heating Mode
106
Two-Stage Heating Mode
106
Dehumidification Modes
107
Outdoor Air Damper
107
Ventilation
107
Free Cooling
107
Exhaust Fan
107
Other Operation Function
107
Appendix A - Start-Up Control Operation
109
Appendix B - Air Balance Instructions
111
Appendix C - 50V Model Number Nomenclature
114
Appendix D - Charging Charts
115
Project Information
125
Pre-Start-Up Checklist
126
Control Configuration
128
Control Setpoints
130

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Carrier WeatherMaster 50V 74 Manuals

Carrier WeatherMaster 50V 74 Installation And Start-Up Instructions Manual (134 pages)

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