Carrier 40QQ Series Installation Instructions Manual

Heat recovery and heat pump sizes: 036, 048, 060
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40QQ
VRF Rooftop
Heat Recovery and Heat Pump
Sizes: 036, 048, 060

TABLE OF CONTENTS

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CRHEATER ACCESSORY INSTALLATION
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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. 18- 40QQ001- 01
Installation Instructions
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Printed in U.S.A

SAFETY CONSIDERATIONS

1
Improper installation, adjustment, alteration, service,
maintenance, or use can cause explosion, fire, electrical
2
shock or other conditions that may cause personal injury
3- 4
or property damage. Consult a qualified installer, service
agency, or your distributor or branch for information or
5
assistance. The qualified installer or agency must use
6
factory- authorized kits or accessories when modifying
this product. Refer to the individual instructions packaged
6
with the kits or accessories when installing.
7- 13
Follow all safety codes. Wear safety glasses and work
gloves. Use quenching cloths for brazing operations and
have a fire extinguisher available. Read these instructions
thoroughly, and follow all warnings or cautions attached
to the unit. Consult local building codes and appropriate
31- 38
national electrical codes (in USA, ANSI/NFPA 70,
National Electrical Code (NEC); in Canada, CSA C22.1)
39- 41
for special requirements.
It is important to recognize safety information. This is the
42
safety- alert symbol
43
unit and in instructions or manuals, be alert to the
potential for personal injury.
44
Understand the signal words DANGER, WARNING,
45- 46
CAUTION, and NOTE. These words are used with the
47
safety- alert symbol. DANGER identifies the most serious
hazards, which will result in severe personal injury or
48
death. WARNING signifies hazards, which could result in
personal injury or death. CAUTION is used to identify
unsafe practices, which may result in minor personal
52- 53
injury or product and property damage. NOTE is used to
highlight suggestions, which will result in enhanced
54
installation, reliability, or operation.
Form 40QQ- 3SI
1
. When you see this symbol on the
11- 18
Replaces: 40QQ- 2SI

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Table of Contents
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Summary of Contents for Carrier 40QQ Series

  • Page 1: Table Of Contents

    40QQ VRF Rooftop Heat Recovery and Heat Pump Sizes: 036, 048, 060 Installation Instructions TABLE OF CONTENTS SAFETY CONSIDERATIONS SAFETY CONSIDERATIONS ....Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical NOMENCLATURE...
  • Page 2: Nomenclature

    WARNING WARNING PERSONAL INJURY AND ENVIRONMENTAL ELECTRICAL SHOCK HAZARD HAZARD Failure to follow this warning could cause personal Failure to follow this warning could cause personal injury or death. injury or death. Before performing service or maintenance operations Relieve pressure and recover all refrigerant before on the unit, turn off the main power switch to the unit system repair or final unit disposal.
  • Page 3: Dimensions

    DIMENSIONS Fig. 2 - Dimensional Drawing...
  • Page 4 DIMENSIONS (CONT.) Fig. 3 - Dimensional Drawing...
  • Page 5: Center Of Gravity

    CENTER OF GRAVITY Fig. 4 - Center of Gravity Drawing...
  • Page 6: Recommended Service Clearance

    RECOMMENDED SERVICE CLEARANCE Fig. 5 - Recommended Service Clearance Table 1 – Service Clearance Dimensions Location Dimension Condition 48 in (1219 mm) Unit disconnect is mounted on panel 18 in (457 mm) No disconnect 18 in (457 mm) Recommended service clearance 12 in (305 mm) Minimum clearance 42 in (1067 mm)
  • Page 7: Installation

    INSTALLATION Select a unit mounting system that provides adequate Jobsite Survey height to allow installation of condensate trap per requirements. Refer to Step 8 — Install External Complete the following checks before installation: Condensate Trap and Line – for required trap dimensions. 1.
  • Page 8 Step 4 — Provide Unit Support NOTE: Gasketing of the unit to the roof curb is critical for a watertight seal. Install the gasket supplied with the Roof Curb Mount — roof curb as shown in Fig. 6. Improperly applied gasket can also result in air leaks and poor unit performance.
  • Page 9 Fig. 6 - Roof Curb Details NOTE: The 40QQ does not include gas heat. Ignore all gas references in the roof curb drawing above.
  • Page 10 WARNING PERSONAL INJURY HAZARD Failure to follow this warning could cause personal injury. For vertical supply and return units, tools or parts MAXIMUM ALLOWABLE could drop into ductwork and cause an injury. Install DIFFERENCE IN. (MM) ° a 90 turn in the return ductwork between the unit °...
  • Page 11 Fig. 8 - Rigging Label...
  • Page 12 Positioning on Curb — Step 8 — Install External Condensate Trap and Line Position the unit on the roof curb so that the following Unit has one 3/4 inch condensate drain connection on the clearances are maintained: end of the condensate pan and an alternate connection on S 1/4 inch (6.4 mm) clearance between the roof curb and the bottom (See Fig.
  • Page 13 Field installed Smoke Detector by 3 party When smoke detector is required by the building codes, it must be installed and wired by a 3 party vendor. Carrier offers the Totaline 4- Wire Duct Smoke detector model# ® P270- 3000PL. Recommended wiring requires using the dry contacts to cut power to the L1 or L2 power wiring coming into TB1.
  • Page 14: Horizontal And Vertical Economi$Er

    HORIZONTAL AND VERTICAL Table 4 – Type Horizontal and Vertical ECONOMI$ER X ACCESSORY Type Part Number INSTALLATION INSTRUCTIONS All Sizes Horizontal CRECOMZR077A00 Vertical CRECOMZR076A00 Read these instructions completely before attempting to install the Horizontal EconoMi$er X Accessory. SAFETY CONSIDERATIONS HOOD Installation and servicing of air- conditioning equipment ALUMINUM FILTER...
  • Page 15 INSTALLATION - HORIZONTAL Filter Access Panel 1. Turn off unit power supply(s) and install lockout tag. 2. Remove the existing unit filter access panel. Raise the panel and swing the bottom outward. The panel is now disengaged from the track and can be removed and discarded (See Fig.
  • Page 16 hardware bag. Mount the mixed air temperature Outside Air Barometric sensor (provided) to the lower left section of the Temperature Relief Dampers Sensor indoor fan blower housing (See Fig. 20). Use the screw provided and use existing hole. Locate the orange and brown wires in the wire bundle in the indoor fan section.
  • Page 17 horizontal return opening (See Fig. 25). Screw in place through pre- punched holes. 18. When the W7220 EconoMi$er controller is shipped, Front Blank-Off Panel it is mounted to a steel bracket. This bracket is not used, so remove and discard it. The controller is also EconoMi$er X shipped with two harnesses, which will not be used, Hood...
  • Page 18 Fig. 24 - Honeywell 7220 Connections 23. Check all wiring for safety then reapply power to the unit. Verify correct operation and setting of the Front Blank-Off Panel accessory(s) per the Configuration and Operations sections of the instruction. 24. Install access door next to hood. Screw bottom of door to HVAC unit (See Fig.
  • Page 19 INSTALLATION - VERTICAL Filter Access Panel 1. Turn off unit power supply(s) and install lockout tag. 2. Remove the existing unit filter access panel. Raise the panel and swing the bottom outward. The panel is now disengaged from the track and can be removed and discarded (See Fig.
  • Page 20 Using the Keypad with Settings and EconoMi$er X Parameters The field-installed accessory consist of the following: To use the keypad when working with Setpoints, System and Advanced Settings, Checkout tests, and Alarms: Economizer assembly 1. Navigate to desired menu. W7220 economizer controller HH79ZZ007 mixed (or supply) air sensor 2.
  • Page 21 IMPORTANT: The default setting on the W7220 controller is for a “Fan Type” with 2 speeds, which is correct for 2 or 3 speed units. IMPORTANT: Table 6 illustrates the complete hierarchy. Your menu parameters may be be different depending on your computer configuration.
  • Page 22 Table 6 - Menu Structure (Cont.) Parameter Parameter range and Menu Parameter Default Notes Increment Value Setpoint determines where the economizer will ° 38 to 65 ° modulate the OA damper to maintain the mixed air MAT SET Setpoints Increment by 1 temperature.
  • Page 23 Table 6 - Menu Structure (Cont.) Parameter Parameter range and Menu Parameter Default Notes Increment Value 01/01/10 Display order = MM/DD/YY Setting order = DD, MM, then YY. INSTALL ° ° ° C Sets economizer controller in degrees Fahrenheit or Celsius. UNITS DEG F or CONV = conventional;...
  • Page 24 Table 6 - Menu Structure (Cont.) Parameter Parameter Menu Parameter Default range and Notes Value Increment Positions damper to VMIN position. DAMPER VMIN- HS Positions damper to VMAX position. DAMPER VMAX- HS Position damper to the full open position. Exhaust fan contacts enable during the DAMPER OPEN test. Make sure you pause in the mode to DAMPER OPEN allow exhaust contacts to energize due to the delay in the system.
  • Page 25 Checkout Tests Use the Checkout menu (see Table 6) to test the damper operation and any configured outputs. Only items that are configured are shown in the Checkout menu. AUX2- NOTE: See User Interface for information about menu E-GND navigation and use of the keypad. S-BUS EXH1 S-BUS...
  • Page 26 Table 9 – Economizer Module - Right Hand Terminal Time- out and Screen Saver Blocks When no buttons have been pressed for ten minutes, the LCD displays a screen saver, which cycles through the Label Type Description status items. Each status item displays in turn and cycles Top Right Terminal Block to the next item after five seconds.
  • Page 27 OPERATION TROUBLESHOOTING Cooling, Unit with EconoMi$er X Power Loss (Outage or Brownout) All setpoints and advanced settings are restored after any For occupied mode operation of EconoMi$er X, there power loss or interruption as all settings are stored in the must be a 24V signal at terminals R and OCC.
  • Page 28 Table 11 – Operating Issues and Concerns Issue or Concern Possible Cause and Remedy My outdoor temperature reading on the STATUS menu Check the sensor wiring: is not accurate Enthalpy sensors are to be wired to the S - Bus terminals. Temperature sensors are to be wired to the OAT and MAT terminals.
  • Page 29 2500 2000 1500 Small Cabinet 1000 0.05 0.15 0.25 RETURN DUCT STATIC PRESSURE (in. wg) Fig. 34 - Barometric Flow Capacity 6000 5000 4000 Small Cabinet 3000 2000 1000 RETURN DUCT STATIC PRESSURE DROP (in. wg) Fig. 35 - Return Air Pressure Drop...
  • Page 30 EconoMi$er Control Setting The following is a start guide for EconoMi$er control. Follow these step- by- step procedures after you install the EconoMi$er. DN code setting (required to activate the EconoMi$er) Table 12 – DN Code Settings Set data of DN (5A) Comments 0000 Invalid (Factory Setting)
  • Page 31 CRHEATER ACCESSORY IMPORTANT: Read these instructions completely before attempting to install this accessory and follow all safety INSTALLATION INSTRUCTIONS considerations. Table 15 – Electric Heat (Field Installed Only) (208/230V- 3Ph- 60Hz) Electric Heater E - Heater Nominal Application Nominal Tonnage Single Pt Kit Part # Part Number (Phase)
  • Page 32 PACKAGE CONTENTS GENERAL Table 17 – Package Contents - CRHEATER 101A00 to This installation instruction manual describes the installation of electric heaters and associated fuse 109A00, 103B00, and 104B00 block/field power termination kits (single point box or Quantity Contents SPB) on select small rooftop units in nominal cooling Heater module capacities from 3 to 5 tons.
  • Page 33 No Fuses Single Point Box Contents See Package Content tables for a list of components If the unit’s MOCP device rating is 60- A or less, then the included in each single point box kit. Note the height MOCP device is recognized as providing the required differences and their use in specific size units.
  • Page 34: Heater Module

    Disconnect field power supply 4. Remove control box cover and center post. Save screws (See Fig. 39). 1. Disconnect power to the unit. Lock- out/tag- out on 5. Add seal strip to the rear bottom corner of the control unit disconnect switch. panel as shown in Fig.
  • Page 35 2. Open the heater package(s) and remove the heater module, heater support track (where provided), heater cover (where provided), screws, wiring label, miscellaneous parts. a. Heaters 101A00- 109A00: To install module, insert heater frame into location notch in heater bracket opening in unit and slide heater through the opening.
  • Page 36: Heater Slider Track

    CONDUIT CONDUIT WIRE TIE DRIP BOOT Fig. 44 - Typical Single- Phase Wiring Installed Fig. 45 - Typical Conduit Installation 4. Route power wires from heater module(s) through the KEY FOR MODULE LOCATON 1 foam bushing in the center partition and into the single point box.
  • Page 37: Heater Cover

    Fig. 48 - Typical 3- Phase Wiring Installed Terminal Block 4 Heater Cover (TB4) Fig. 51 - Max. Air Temp/Max. Ext. Static UNIT POWER SUPPLY WIRING – ALL UNITS NOTE: Installers of unit power supply wiring connecting to these air conditioning and heat pump units must be familiar with applicable requirements of the National Electrical Code (NFPA Standard 70), Articles 440, 430 and 424 dealing with multiple load systems incorporating...
  • Page 38 NOTE: Supply wiring must comply with NEC (National All wiring that terminates at a unit- mounted terminal must be selected from wiring materials under the NEC Electrical Code) and all local requirements. Table 310.15(B)(16), 75 C (or higher) column only. Check Check the installed unit’s branch circuit over- current specifications for external disconnect lug sizes to protection device (fuse or HACR breaker) for rating in...
  • Page 39: Instructions

    FS BOX INSTALLATION INSTRUCTIONS Table 22 – FS Box Compatibility with 208/230V Rooftop Units Rooftop 40QQ- 036AAA3- 40QQ- 048AAA3- 40QQ- 060AAA3- Model Number FX Box Part RBM- Y0383FUL RBM- Y0613FUL RBM- Y0613FUL Number Table 23 – FS Box Compatibility with 460V Rooftop Units Fig.
  • Page 40 5. Remove the side panel of the FS box control board. A control wire harness will be included with the FS box (See Fig 57). Ferrite Core Fig. 60 - Ferrite Core 8. Knock out the hole on the back of the FS box and install a Romex connector (field- supplied) in the hole as shown in Fig.
  • Page 41 10. Route the power wire through the rubber grommet on the bottom of the control box. Then bundle and tie the extra wire as shown in Figs. 63 and 64. Fig. 65 - L1 and L2 Adapter for 460V Units 12.
  • Page 42: Connector Specifications Of P.c. Board Mcc- 1570

    CONNECTOR SPECIFICATIONS OF P.C. BOARD MCC- 1570 Table 24 – Connector Specifications of P.C. Board MCC- 1570 Function Connector Function Remarks COM (DC12V) Connected to MCC - 1431/CN02PIN1 (no function) Fan speed “Low” output Connected to MCC - 1431/CN02PIN3 Output signal of Cooling Stage1 Connected to Cooling Stage1 relay Fan speed,...
  • Page 43: Advanced Control

    ADVANCED CONTROL Procedure 1 1. Push the [ MENU ] button. REQUIREMENT NOTES: 2. Push the [ MENU ] / [ ] button S Powering on the unit and interface for the first time, it simultaneously for more than 4 seconds. takes time for the remote control to recognize the 3.
  • Page 44: Function Code (Dn Code) Setting

    FUNCTION CODE (DN CODE) SETTING Table 25 – DN Code Setting DN Code Items Description At Shipment 0000 : None 0001 : 150H Filter display delay timer 0002 : 2500H 0003 : 5000H 0000 : None 0004 : 10000H 0000 : Standard Dirty state of filter 0000 : Standard 0001 : High degree of dirt...
  • Page 45: Electric Heater Control Setting

    ELECTRIC HEATER CONTROL SETTING The following is a start guide for electric heater control. Follow these step- by- step procedures after installed electrical heater. STEP1: Change of SW501 (Required setting activation for Electric heater control) Fig. 70 - SW501 Table 26 – SW501 Settings SW501_1 SW501_2 Comments...
  • Page 46 STEP3: Advance setting for electric heater control (Optional setting) NOTE: STEP 3 is optional and should be set if necessary. Item1:Change of AH- L value by DN (DB) ∆ It is possible to change the following DN setting as an optional function. Comments Set Data of DN (DB) Active (Factory setting: 5.4...
  • Page 47: Test Run

    TEST RUN 6. Push the [ ON/OFF ] button to start the test Preparation mode. The following screen displays. Before turning on the power supply, carry out the following procedure. 1. Using 500V- Megger, check the resistance between the terminal block of the power supply and the earth (grounding).
  • Page 48: Troubleshooting

    TROUBLESHOOTING Confirmation and Check When a malfunction occurs, refer to the check code on the remote controller. NOTE: The check code only appears during operation while the unit is running. Push the [ MONITOR ] button or [ CANCEL ] button to display the check information screen. ̊...
  • Page 49: Check Codes And Parts To Be Checked

    CHECK CODES AND PARTS TO BE CHECKED Check Method On the remote control (Wired remote control, Central control remote control) and the interface P.C. board of the outdoor unit (I/F), a check display LCD (Remote control) or 7- segment display (on the outdoor interface P.C. board) to display the operation is provided.
  • Page 50 Table 29 – Check Code 2...
  • Page 51 Table 30 – Check Code 3...
  • Page 52: Wiring Diagrams

    WIRING DIAGRAMS Fig. 78 - 40QQ Power Wiring Diagram, 208/230V, 60Hz...
  • Page 53 WIRING DIAGRAMS (CONT.) Fig. 79 - 40QQ Power Wiring Diagram, 460V, 60Hz...
  • Page 54: Startup Report

    40QQ VRF ROOFTOP UNIT STARTUP REPORT City Job Name Sales Order # Unit Tag Model Number Serial Number Installer Quantity of Units Group Checklist Item Does electrical service correspond to unit nameplate? - Nameplate supply voltage/phase: Rated Measured - Nameplate rated FLA motor current: Rated Measured Electrical / Operational Does all field wiring conform to unit wiring diagram?
  • Page 55 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 18- 40QQ001- 01 Printed in U.S.A Form 40QQ- 3SI 11- 18 Replaces: 40QQ- 2SI...

Table of Contents