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WeatherMaker 50TCQ
Carrier WeatherMaker 50TCQ User Manual
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50TCQ
P
ackag
ed
Heat
Pu
mp
3t
o1
2
.
5N
o
m
i
n
a
lT
o
n
s
Product
Data
C08613
the environmentally sound refrigerant
2
Table of Contents
Product Data
1
Table of Contents
2
Easy to Install
2
Easy to Maintain
2
Easy to Use
2
Features and Benefits
3
Model Number Nomenclature
4
Factory Options And/Or Accessories
5
Economizer (Dry Bulb or Enthalpy)
6
CO2 Sensor
6
Smoke Detectors
6
Louvered Hail Guards
6
Disconnect Switch Bracket
7
Motormaster Head Pressure Controller
7
Alternate Motors and Drives
7
Manual OA Damper
7
Ahri Cooling Rating Tables
8
Legend
8
Ahri Capacity Rating
8
Sound Performance Table
9
Physical Data
10
Electric Heat - Electrical Data
12
Weights & Dimensions
21
Dimensions 50TCQ 04- -07
22
Service Clearance
22
Curb Dimensions 50TCQ 04- -07
23
Vertical Connections/Economizer
24
Dimensions 50TCQ 08- -09
24
Horizontal Connections/Economizer
25
Dimensions 50TCQ 12
30
Curb Dimensions 50TCQ 12
31
Dimensions 50TCQ 14
32
Option / Accessory Weights
36
Min Operating Ambient Temp (Cooling)
37
Max Operating Ambient Temp (Cooling)
37
Min and Max Airflow (Cooling Mode)
37
Application Data
37
Make an Initial Guess at Cooling Tons
38
Look up the Rooftop’s TC and SHC
38
Determine Cooling and Heating Loads
38
Selection Procedure (with 50Tcqa07 Example)
38
Cooling Capacities
39
Stage Cooling
39
Cooling Tables
39
Heating Capacities
47
Static Pressure Adders
51
Economizer
51
Electric Heaters
51
Economizer, Barometric Relief and Pe Performance
52
Barometric Relief Flow Capacity
52
Relief Flow
52
Return Air Pressure Drop
52
General Fan Performance Notes
53
Motor, 3 Ton Vertical Supply
54
Motor, 3 Ton Horizontal Supply
54
Fan Performance
54
Motor, 4 Ton Horizontal Supply
55
Motor, 4 Ton Vertical Supply
55
Motor, 5 Ton Horizontal Supply
56
Motor, 5 Ton Vertical Supply
56
50Tcqa04
57
50Tcqa05
58
50Tcqa06
59
Mca / Mocp
59
50Tcqa07
60
50Tcqd08
61
Pulley Adjustment
65
Motor Pulley Turns Open
65
Electrical Information
66
Mca/Mocp Determination Without C.o. or Unpwrd C.o.
69
Mca/Mocp Determination with Pwrd C.o.
78
Stage Cooling Typical Power Diagram
87
Typical Wiring Diagrams
87
Premierlink Option Diagram
89
Multi- -Protocol Option Diagram
90
Stage Typical Wiring Diagram
91
Sequence of Operation
93
Cooling, Unit Without Economizer
93
Cooling, Unit with Economi$Er IV
93
Heating, Unit Without Economizer
93
Heating, Unit with Economi$Er
94
Cooling, Unit with Economi$Er2, Premierlink Control and a Thermostat
94
Emergency Heat
95
Defrost
95
Automatic Changeover
95
Continuous Air Circulation
95
Rooftop Packaged Heat Pump
96
HVAC Guide Specifications
96
HVAC Equipment Insulation
96
Guide Specifications
96
Electric and Electronic Control System for HVAC
97
Sequence of Operations for HVAC Controls
98
Panel Air Filters
98
Self- - Contained Air Conditioners
98
Operating Characteristics
99
Electrical Requirements
99
Project Conditions
99
Delivery, Storage, and Handling
99
Coils
100
Refrigerant Components
100
Filter Section
101
Evaporator Fan and Motor
101
Condenser Fans and Motors
101
Special Features, Options and Accessories
101
Propeller Power Exhaust
103
Roof Curbs (Vertical)
103
Outdoor Air Enthalpy Sensor
103
Return Air Enthalpy Sensor
103
Time Guard
104
Electric Heat
104
Heating Section
104
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Carrier WeatherMaker 50TCQ Specifications
General
Model
50TCQ
Type
Heat Pump
Refrigerant
R-410A
Voltage
208/230V
Phase
1
Warranty
10-year limited parts warranty
Sound Level
72 dB
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