Trane Technologies 4WCZ5024E1000A Installation And Operation Manual
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Trane Technologies 4WCZ5024E1000A Installation And Operation Manual

Single packaged heat pump, 15 seer2 two stage, convertible, 2-5 ton, r-410a
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Installation and Operations Manual
Single Packaged Heat Pump, 15 SEER2
Two Stage, Convertible, 2 – 5 Ton, R-410A
4WCZ5024E1000A
4WCZ5036E1000A
4WCZ5036E3000A
4WCZ5036E4000A
4WCZ5048E1000A
4WCZ5048E3000A
4WCZ5048E4000A
4WCZ5060E1000A
4WCZ5060E3000A
4WCZ5060E4000A
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning
equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person
could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment.
May 2022
S S A A F F E E T T Y Y W W A A R R N N I I N N G G
1 1 8 8 - - B B B B 4 4 2 2 D D 1 1 - - 1 1 A A - - E E N N
N N o o t t e e : : "Graphics in this document are for representation
only. Actual model may differ in appearance."
N N o o t t e e : : "Unit specific Service Facts available online."

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  • Page 1 Installation and Operations Manual Single Packaged Heat Pump, 15 SEER2 Two Stage, Convertible, 2 – 5 Ton, R-410A 4WCZ5024E1000A 4WCZ5036E1000A 4WCZ5036E3000A 4WCZ5036E4000A 4WCZ5048E1000A 4WCZ5048E3000A 4WCZ5048E4000A 4WCZ5060E1000A 4WCZ5060E3000A 4WCZ5060E4000A N N o o t t e e : : “Graphics in this document are for representation only.
  • Page 2 SAFETY SECTION I I m m p p o o r r t t a a n n t t — This document contains a wiring W W A A R R N N I I N N G G diagram, a parts list, and service information.

  • Page 3: Table Of Contents

    Table of Contents Introduction, Unit Inspection and Attaching Downflow Ductwork to Roof Specification ....... 4 Frame.

  • Page 4: Introduction, Unit Inspection And Specification

    Introduction, Unit Inspection and Specification Introduction 2. Check the unit’s nameplate to determine if the unit is correct for the intended application. The power Read this manual carefully before attempting to install, supply must be adequate for both the unit and all operate, or perform maintenance on this unit.

  • Page 5: Product Specification

    I I n n t t r r o o d d u u c c t t i i o o n n , , U U n n i i t t I I n n s s p p e e c c t t i i o o n n a a n n d d S S p p e e c c i i f f i i c c a a t t i i o o n n Product Specification Model 4WCZ5024E*000A...

  • Page 6: Charging In Cooling Above 55°F Od

    I I n n t t r r o o d d u u c c t t i i o o n n , , U U n n i i t t I I n n s s p p e e c c t t i i o o n n a a n n d d S S p p e e c c i i f f i i c c a a t t i i o o n n Charging in Cooling above R-410A Subcooling Charging Table 55°F OD Ambient...

  • Page 7: Determine Unit Clearances

    Determine Unit Clearances Figure 1. Space on Sides Requirements 2 - 3 TON Units 3.5 - 5 TON Units RECOMMENDED SERVICE CLEARANCE mm [Inches] W/ ECONOMIZER W/ ECONOMIZER BACK SIDE 305 [12] 762 [30] 305 [12] 762 [30] LEFT SIDE 762 [30] 914 [36] 914 [36]...
  • Page 8 D D e e t t e e r r m m i i n n e e U U n n i i t t C C l l e e a a r r a a n n c c e e s s Figure 2.

  • Page 9: Information

    Review Location and Recommendation Information H H o o r r i i z z o o n n t t a a l l A A i i r r f f l l o o w w U U n n i i t t s s 3.

  • Page 10: Unit Installation

    Unit Installation N N o o t t e e : : The factory ships this unit for horizontal the structure with at least two (2) inches of installation. insulation and weatherproof. There must be a weatherproof seal where the duct enters the structure.

  • Page 11: Lifting And Rigging

    U U n n i i t t I I n n s s t t a a l l l l a a t t i i o o n n Figure 4. Converting Horizontal to Down Airflow Lifting and Rigging 3.

  • Page 12: Rooftop Installation - Frame

    U U n n i i t t I I n n s s t t a a l l l l a a t t i i o o n n Table 1. Vibration Isolators/Snow Feet Locations Note: These views represent the base as viewed looking up from underneath the unit.
  • Page 13 U U n n i i t t I I n n s s t t a a l l l l a a t t i i o o n n 11. Access and service clearances for the unit must be 12.
  • Page 14 U U n n i i t t I I n n s s t t a a l l l l a a t t i i o o n n Table 4. Typical Rooftop Horizontal Airflow Application with Frame Supply Air Return Air Roof Flashing...

  • Page 15: Ductwork Installation

    U U n n i i t t I I n n s s t t a a l l l l a a t t i i o o n n Ductwork Installation transmission from the unit to the ducts. The flexible connection m m u u s s t t be indoors and made out of heavy Attaching Downflow Ductwork to Roof canvas.

  • Page 16: Electrical Wiring

    U U n n i i t t I I n n s s t t a a l l l l a a t t i i o o n n Table 6. Filter Sizes (field supplied filter rack) Table 7.
  • Page 17 U U n n i i t t I I n n s s t t a a l l l l a a t t i i o o n n NOTES: 1. FUSED DISCONNECT SIZE, POWER WIRING AND GROUNDING OF EQUIPMENT MUST COMPLY WITH CODES.

  • Page 18: Unit Startup

    Unit Startup Pre-Start Quick Checklist O O p p e e r r a a t t i i n n g g P P r r e e s s s s u u r r e e C C h h e e c c k k s s After the unit has operated in the cooling mode for a ☐...

  • Page 19: Sequence Of Operation

    U U n n i i t t S S t t a a r r t t u u p p Sequence of Operation H H E E A A T T I I N N G G M M O O D D E E T T h h e e r r m m o o s s t t a a t t c c a a l l l l f f o o r r h h e e a a t t ( ( 2 2 - - s s t t a a g g e e t t h h e e r r m m o o s s t t a a t t ) ) G G e e n n e e r r a a l l C C a a l l l l f f o o r r 1 1 s s t t s s t t a a g g e e h h e e a a t t i i n n g g o o n n l l y y : :...
  • Page 20 U U n n i i t t S S t t a a r r t t u u p p During the heating cycle, the outdoor coil may require Figure 8. ECM Fan Control a defrost cycle which is determined by the demand defrost control (DFC).

  • Page 21: Final Installation Checklist

    U U n n i i t t S S t t a a r r t t u u p p Final Installation Checklist N N o o t t e e : : It may be necessary to replace permanent filters annually if washing fails to clean the filter or if I I m m p p o o r r t t a a n n t t : : Perform a final unit inspection to be sure the filter shows signs of deterioration.
  • Page 22 U U n n i i t t S S t t a a r r t t u u p p 2. TST = Test (Shorting TEST_COMMON to this pin Example: speeds up all defrost board timings.) Sensor temp. = 19°F. 3.
  • Page 23 U U n n i i t t S S t t a a r r t t u u p p Table 12. Demand Defrost Control Checkout Table (continued) YES/NO SYMPTOMS CHECKS ACTIONS Check refrigerant circuits for balanced OD Temp. below 49°F.? OD Coil temp. distribution of refrigerant if OD coil is below 35°F.? "Delta"...

  • Page 24: Pressure Curves

    U U n n i i t t S S t t a a r r t t u u p p Pressure Curves Figure 9. 4WCZ5024E1 Cooling Heating Cooling with Thermal Expansion Valve Heating with Thermal Expansion Valve INDOOR ENTERING WET BULB CURVES TOP TO BOTTOM INDOOR ENTERING DRY BULB CURVES TOP TO BOTTOM 71, 67, 63 AND 59 DEG F.
  • Page 25 U U n n i i t t S S t t a a r r t t u u p p Figure 10. 4WCZ5036E Cooling Heating Cooling with Thermal Expansion Valve Heating with Thermal Expansion Valve INDOOR ENTERING WET BULB CURVES TOP TO BOTTOM INDOOR ENTERING DRY BULB CURVES TOP TO BOTTOM 71, 67, 63 AND 59 DEG F.
  • Page 26 U U n n i i t t S S t t a a r r t t u u p p Figure 11. 4WCZ5048E Cooling Heating Cooling with Thermal Expansion Valve Heating with Thermal Expansion Valve INDOOR ENTERING WET BULB CURVES TOP TO BOTTOM INDOOR ENTERING DRY BULB CURVES TOP TO BOTTOM 71, 67, 63 AND 59 DEG F.
  • Page 27 U U n n i i t t S S t t a a r r t t u u p p Figure 12. 4WCZ5060E Cooling Heating DWG.NO. 4WCZ5060E 18-BB42D1-1A-EN...

  • Page 28: Indoor Fan Performance

    U U n n i i t t S S t t a a r r t t u u p p Indoor Fan Performance EXTERNAL STATIC PRESSURE (IN.WG) Cooling CFM Horizontal [Downflow] 4WCZ5024 Motor Speed 350 CFM / [601] [588] [571] [562]...
  • Page 29 U U n n i i t t S S t t a a r r t t u u p p Airflow with Auxilary Heat (CFM) NOMINAL AIRFLOW SWITCH SETTINGS SELECTION 4WCZ5024 4WCZ5036 4WCZ5048 4WCZ5060 7 - OFF 8 - OFF 700 CFM 1050 CFM 1400 CFM...

  • Page 30: Refrigerant Circuit

    U U n n i i t t S S t t a a r r t t u u p p Refrigerant Circuit 18-BB42D1-1A-EN...

  • Page 31: Troubleshooting Chart

    U U n n i i t t S S t t a a r r t t u u p p Troubleshooting Chart P P - - P P R R I I M M A A R R Y Y C C A A U U S S E E S S / / S S - - S S E E C C O O N N D D A A R R Y Y C C A A U U S S E E S S SYSTEM FAULTS REFRIGERANT CIRCUIT Liquid Pressure too High...

  • Page 32: Important Product Information

    Important Product Information Packaged Unit Serial Number_____________________________________________________ Packaged Unit Model Number_____________________________________________________ Date of Installation_______________________________________________________________ Dealer___________________________________________________________________________ Service Information Call your installing dealer if the unit is inoperative. Before you call, always check the following to be sure service is required: Be sure the main switch that supplies power to the unit is in the ON position. Replace any burned-out fuses or reset circuit breakers.

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