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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500216-01
Printed in U.S.A.
Form 50TCQ-8-12-01SI
Pg 1
1-19
Replaces: 50TCQ-8-9-03SI, 50TCQ-12-02SI
Installation Instructions
NOTE: Read the entire instruction manual before starting the
installation.
CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . 2
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Rated Indoor Airflow (cfm) . . . . . . . . . . . . . . . . . . . . 2
REFRIGERATION SYSTEM COMPONENTS . . . . . . 9
Reversing Valve and Check Valve Position . . . . . . 9
Troubleshooting Refrigerant Pressure Problems
and Check Valves . . . . . . . . . . . . . . . . . . . . . . . . . 9
Refrigerant System Pressure Access Ports . . . . . . 9
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Jobsite Survey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Step 1 — Plan for Unit Location . . . . . . . . . . . . . . . 11
Step 2 — Plan for Sequence of Unit Installation . . 11
• SLAB MOUNT (HORIZONTAL UNITS ONLY)
• ALTERNATE UNIT SUPPORT (IN LIEU OF CURB OR
Step 7 — Convert to Horizontal and Connect
Ductwork (when required) . . . . . . . . . . . . . . . . . . 15
Step 8 — Install Outside Air Hood . . . . . . . . . . . . . . 16
• ECONOMIZER AND TWO-POSITION DAMPER HOOD
PACKAGE REMOVAL AND SETUP (FACTORY
• ECONOMIZER HOOD AND TWO-POSITION HOOD
Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Step 11 — Make Electrical Connections . . . . . . . . . 18
• UNITS WITH FACTORY-INSTALLED NON-FUSED
• UNITS WITHOUT FACTORY-INSTALLED NON-
• FACTORY-OPTION THRU-BASE CONNECTIONS
• UNITS WITHOUT THRU-BASE CONNECTIONS
• AUXILIARY (ELECTRIC) HEAT CONTROL
• UNIT WITHOUT THRU-BASE CONNECTION KIT
Electric Heaters . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
• SINGLE POINT BOXES AND SUPPLEMENTARY
• SINGLE POINT BOXES WITHOUT FUSES
• LOW-VOLTAGE CONTROL CONNECTIONS
EconoMi$er® X (Factory Option) . . . . . . . . . . . . . . 31
• ECONOMIZER MODULE WIRING DETAILS
Option) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Smoke Detectors . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
• COMPLETING INSTALLATION OF RETURN AIR
Step 12 — Adjust Factory-Installed Options . . . . . 42
• ECONOMI$ER IV OCCUPANCY SWITCH
Step 13 — Install Accessories . . . . . . . . . . . . . . . . 42
Step 14 — Check Belt Tension . . . . . . . . . . . . . . . . 43
• BELT FORCE — DEFLECTION METHOD
START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . CL-1
50TCQ units for installation in the United States contain use of Carrier's Staged Air Volume (SAV™) 2-speed
indoor fan control system. This complies with the U.S. Department of Energy (DOE) efficiency standard
of 2018.
50TCQ units for installation outside the United States may or may not contain use of the SAV 2-speed indoor
fan control system, as they are not required to comply with the U.S. Department of Energy (DOE) efficiency
standard of 2018.
For specific details on operation of the Carrier SAV 2-speed indoor fan system, refer to the Variable Frequency
Drive (VFD) Factory-Installed Option 2-Speed Motor Control Installation, Setup and Troubleshooting manual.
WeatherMaker
®
50TCQ08-12
Single Package Rooftop with Heat Pump
with Puron
®
(R-410A) Refrigerant
Содержание WeatherMaker 50TCQ*08
Страница 4: ...4 Fig 2 Unit Dimensional Drawing 08 and 09 Size Units ...
Страница 5: ...5 Fig 2 Unit Dimensional Drawing 08 and 09 Size Units cont ...
Страница 6: ...6 Fig 3 Unit Dimensional Drawing 12 Size Unit ...
Страница 7: ...7 Fig 3 Unit Dimensional Drawing 12 Size Unit cont ...
Страница 19: ...19 Fig 25 Typical 50TCQ Control Wiring Diagram Sizes 08 09 ...
Страница 20: ...20 Fig 26 Typical 50TCQ Control Wiring Diagram Size 12 ...
Страница 21: ...21 Fig 27 50TCQ 08 09 Power Wiring Diagram ...
Страница 22: ...22 Fig 28 Typical 50TCQ 12 Power Wiring Diagram 208 230 v 3 Phase 60Hz Unit Shown ...
Страница 45: ......