Carrier RHV150 Installation Instructions Manual
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Carrier RHV150 Installation Instructions Manual

Carrier RHV150 Installation Instructions Manual

Single package rooftop heat pump with r-410a refrigerant and x-vane fan technology
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CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . 1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . 2
Rated Indoor Airflow (cfm) . . . . . . . . . . . . . . . . . 2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Jobsite Survey . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Step 1 - Plan for Unit Location . . . . . . . . . . . . 6
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Step 3 - Inspect Unit . . . . . . . . . . . . . . . . . . . . . . 7
Step 4 - Provide Unit Support . . . . . . . . . . . . . . 7
• ALTERNATE UNIT SUPPORT (IN LIEU OF CURB OR
Step 5 - Field Fabricate Ductwork . . . . . . . . . . . 7
Step 6 - Rig and Place Unit . . . . . . . . . . . . . . . 9
Connect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
OPTION)
and Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
RHV150
Single Package Rooftop Heat Pump
with R-410A Refrigerant
and X-Vane Fan Technology
Installation Instructions
Page
RHV-150-01SI
• INPUTS
• 2SP H/C (2 SPEED HEAT/COOL) SPEED FAN
OPERATION
Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Step 12 - Install Accessories . . . . . . . . . . . . 37
Step 13 - Fan Speed Set Up . . . . . . . . . . . . . 37
Typical Unit Piping . . . . . . . . . . . . . . . . . . . . . . 39
Pre-Start and Start-Up . . . . . . . . . . . . . . . . . . . 40
START-UP CHECKLIST. . . . . . . . . . . . . . . . . CL-1

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment can
be hazardous due to system pressure and electrical
6-22

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  • Page 1: Table Of Contents

    RHV150 Single Package Rooftop Heat Pump with R-410A Refrigerant and X-Vane Fan Technology Installation Instructions • SINGLE POINT BOXES WITHOUT FUSES CONTENTS • LOW-VOLTAGE CONTROL CONNECTIONS Page • CONTROL AND POWER WIRING DIAGRAMS SAFETY CONSIDERATIONS ....1 EconoMi$er X (Factory-Installed Option) .

  • Page 2: Model Number Nomenclature And

    Unit may have more than one Table 1 — AHRI Efficiency — Rated Indoor Airflow power switch. MODEL NUMBER FULL LOAD AIRFLOW (CFM) RHV150 5500 WARNING UNIT OPERATION AND SAFETY HAZARD Failure to follow this warning could cause personal injury, death and/or equipment damage.
  • Page 3 See Specification Sheet for actual field-installed heater capacities. See Specification Sheet for details. Combinations of factory installed options are available, see Specifications Sheet for details. Fig. 1 — RHV150 Units Model Number Nomenclature RHV-150-01SI Specifications subject to change without notice.
  • Page 4 Fig. 2 — RHV150 Unit Dimensional Drawing...
  • Page 5 Fig. 2 — RHV150 Unit Dimensional Drawing (cont)

  • Page 6: Installation

    NOTE: Unit is not designed to have overhead obstruction. Contact Application Engineering for guidance on any application planning overhead obstruction or for vertical clearances. Fig. 3 — Service Clearances — RHV150 Units INSTALLATION Although unit is weatherproof, avoid locations that permit...

  • Page 7: Step 2 - Plan For Sequence Of Unit

    Step 2 — Plan for Sequence of Unit curb as shown in Fig. 5. Improperly applied gasket can also result in air leaks and poor unit performance. Installation Install insulation, cant strips, roofing felt, and counter flash- The support method used for this unit will dictate different ing as shown.
  • Page 8 Fig. 5 — RHV150 Roof Curb Details...

  • Page 9: Step 6 - Rig And Place Unit

    36”-54” “C” Detail “A” Duct End “A” “A” See Detail “A” DIMENSIONS MAX WEIGHT UNIT RHV150 1901 116.0 2945 57.0 1450 59.5 1510 NOTES: 1. Dimensions in () are in millimeters. 2. Hook rigging shackles through holes in base rail, as shown in detail “A.” Holes in base rails are centered around the unit center of gravity. Use wooden top to prevent rigging straps from damaging unit.

  • Page 10: Step 7 - Convert To Horizontal And

    Step 7 — Convert to Horizontal and Connect Unit is shipped in the vertical duct configuration. Unit without factory-installed economizer or return air smoke detector option may be field-converted to horizontal ducted configu- ration using accessory CRDUCTCV002A00. To convert to Remove horizontal configuration, remove screws from side duct Hood Parts...

  • Page 11: Step 9 - Install External Condensate Trap

    connection can be used with vertical or horizontal applications. To use the alternate bottom drain connection, remove the Side red drain plug from the bottom connection (use a 1/2 in. Panel square socket drive extension) and install it in the side drain connection.
  • Page 12 NOTE: Check all factory and field electrical connections for tightness. Field-supplied wiring shall conform with the limita- tions of minimum 63°F (33°C) rise. Field Power Supply For those units without through-the-curb power, conduit must be used to route the main power from the condenser end, via the power entry in the corner post of the unit (see Fig.

  • Page 13: Field Wiring

    Field power wires are connected to the unit at line-side and moving it to the 200-v 1/4 in. male terminal on the pri- pressure lugs at the main terminal block (TB1) or at factory- mary side of the transformer. Refer to unit label diagram for installed option non-fused disconnect switch.

  • Page 14: Units Without Factory-Installed Non-Fused Disconnect

    3. Remove the front cover of the NFD enclosure. 4. Make sure the NFD shipped from the factory is at OFF position (the arrow on the black handle knob is at OFF). 5. Insert the shaft with the cross pin on the top of the shaft in the horizontal position.
  • Page 15 Non-Powered Type Requires the field installation of a general-purpose 125-v 15-A circuit powered from a source elsewhere in the Pwd-CO Fuse building. Observe national and local codes when select- Switch ing wire size, fuse or breaker requirements and disconnect switch size and location. Route 125-v power supply conductors into the bottom of the utility box con- taining the duplex receptacle.

  • Page 16: All Units

    Bulkhead Connector in Fig. 22. Field Control Wiring The RHV150 requires an external temperature control de- vice. This device can be a thermostat (field-supplied) or a thermostat emulation device provided as part of a third-party Building Management System. 1.5” Electrical...

  • Page 17: Commercial Defrost Control

    For 50 to 75 ft (15 to 23 m), use no. 16 AWG insulated wire COMMERCIAL DEFROST CONTROL (35°C minimum). For over 75 ft (23 m), use no. 14 AWG in- On RHV units equipped with electromechanical controls the sulated wire (35°C minimum). All wire sizes larger than Defrost Control Board (DFB) coordinates thermostat de- no.
  • Page 18 Fig. 34 — Defrost Control Board Location — RHV150 Electromechanical Unit Shown Table 3 — RHV Defrost Board I/O and Jumper Configurations POINT NAME TYPE OF I/O CONNECTION PIN NUMBER UNIT CONNECTION NOTE INPUTS G Fan DI, 24 vac P2-3...

  • Page 19: Electric Heaters

    Defrost cycle will run for 30 seconds. Both modes end at the end of the Defrost cycle. ELECTRIC HEATERS The RHV150 units may be equipped with field-installed accessory electric heaters. The heaters are modular in design, with heater frames holding open coil resistance wires strung through ceramic insulators, line-break limit switches and a control contactor.

  • Page 20: Single Point Boxes And Supplementary Fuses

    SINGLE POINT BOXES AND SUPPLEMENTARY FUSES When the unit MOCP device value exceeds 60-A, unit- mounted supplementary fuses are required for each heater circuit. These fuses are included in accessory single point boxes, with power distribution and fuse blocks. The single point box will be installed directly under the unit control box, just to the left of the partition separating the indoor section (with electric heaters) from the outdoor section.
  • Page 21 Fig. 41 — Typical Control Wiring Diagram, Electromechanical with W7220 Controller...
  • Page 22 Fig. 42 — Typical Power Wiring Diagram — 208/230, 460-3-60 Unit Shown RHV-150-01SI Specifications subject to change without notice.
  • Page 23 Fig. 43 — Typical Power Wiring Diagram — 575-3-60 Unit Shown RHV-150-01SI Specifications subject to change without notice.

  • Page 24: Economi$Er X (Factory-Installed Option)

    EconoMi$er X (Factory-Installed Option) User Interface Provides status for normal operation, setup parameters, PRODUCT DESCRIPTION checkout tests, and alarm and error conditions with a 2-line The EconoMi$er X system is an expandable economizer ® 16 character LCD display and 4 button keypad. control system, which includes a W7220 economizer mod- Electrical ule (controller) with an LCD and keypad (see Fig.

  • Page 25: Environmental

    ENVIRONMENTAL Table 5 — Economizer Module — Left Hand Terminal Blocks Operating Temperature: –40°F to 150°F (–40°C to 65°C) LABEL TYPE DESCRIPTION Exception of display operation down to –4°F (–20°C) with Top Left Terminal Block full recovery at –4°F (–20°C) from exposure to –40°F 20k NTC Mixed Air Temperature Sensor (Polarity (–40°C)

  • Page 26: Co2 Sensor Wiring

    Sensor (Hot) Black Yellow Analog Brown – Orange Green Switch Power Supply. Provide Disconnect Label Means and Overload Protection As Required. Fig. 47 — CO Sensor Wiring INTERFACE OVERVIEW Switches This section describes how to use the EconoMi$er X user ®...

  • Page 27: Menu Structure

    To use the keypad when working with Set Points, System IMPORTANT: Table 9 illustrates the complete hierarchy. and Advanced Settings, Checkout tests and Alarms: Your menu parameters may be different depending on 1. Navigate to the desired menu. your configuration. 2.
  • Page 28 Table 9 — W7220 Menu Structure PARAMETER PARAMETER MENU PARAMETER DEFAULT RANGE AND NOTES VALUE INCREMENT FIRST STAGE COOLING DEMAND (Y1–IN) ECONO AVAIL YES/NO YES = economizing available; the system can use outside air for free cooling when required FIRST STAGE COOLING RELAY OUTPUT ECONOMIZING YES/NO YES = outside air being used for 1 stage cooling...
  • Page 29 Table 9 — W7220 Menu Structure (cont) PARAMETER PARAMETER MENU PARAMETER DEFAULT RANGE AND NOTES VALUE INCREMENT MECH COOL ON Displays stage of mechanical cooling that is active. 0, 1, or 2 HEAT STAGES ON Displays the stage of heat pump heating that is active. STATUS SUPPLY FAN SPEED (cont)
  • Page 30 Table 9 — W7220 Menu Structure (cont) PARAMETER PARAMETER MENU PARAMETER DEFAULT RANGE AND NOTES VALUE INCREMENT 0°F to 50°F ENERGY RECOVERY VENTILATOR UNIT OUTDOOR AIR ERV OAT SP 32°F (–18°C to 10°C); TEMPERATURE SETPOINT increment by 1°F Only displayed when AUX1 O = ERV Exhaust fan set point for single speed units.
  • Page 31 Table 9 — W7220 Menu Structure (cont) PARAMETER PARAMETER MENU PARAMETER DEFAULT RANGE AND NOTES VALUE INCREMENT COOLING STAGE 3 DELAY 0 min, 5 min, Delay after stage 2 cool has been active. Turns on second stage of 15 min, then cooling when economizer is first stage and mechanical cooling is STG3 DLY 2.0h...
  • Page 32 Table 9 — W7220 Menu Structure (cont) PARAMETER PARAMETER MENU PARAMETER DEFAULT RANGE AND NOTES VALUE INCREMENT DISCHARGE AIR S-BUS SENSOR ERROR DA SYLK T ERR Discharge air sensor has failed or become disconnected - check wiring then replace sensor if the alarm continues. OUTSIDE AIR TEMPERATURE SENSOR ERROR OA SENS T ERR Outdoor air temperature sensor has failed or become disconnected...

  • Page 33: Standard Or Single Speed Fan Operation

    OPERATION er for minimum position for the fan speed. FAN TYPE = 1 SPEED is not used on RHV150 units. The 2 speed fan delay is available when the system is pro- grammed for 2 speed fan (in the System Setup menu item).

  • Page 34: Speed Fan Operation

    The W7220 calculates the enthalpy and dew point using the OA temperature and humidity input from the OA enthalpy FAN TYPE = 2SP H/C is not used on RHV150 units sensor. When the OA temperature, OA humidity and OA dew point are all below the selected boundary, the econo-...

  • Page 35: Checkout

    CHECKOUT TROUBLESHOOTING Inspect all wiring connections at the economizer module’s Alarms terminals, and verify compliance with the installation wiring The economizer module provides alarm messages that dis- diagrams. play on the 2-line LCD. For checkout, review the Status of each configured parame- NOTE: Upon power up, the module waits 60 minutes ter and perform the Checkout tests.

  • Page 36: Additional Application Data

    ADDITIONAL APPLICATION DATA Refer to the application data sheet titled “Factory-Installed Smoke Detector, for Small and Medium Rooftop Units 2 to 25 Tons” for discussions on additional control features of these smoke detectors including multiple unit coordination. Return Air Smoke Detector (As Shipped) Fig.

  • Page 37: Step 11 - Adjust Factory-Installed

    Step 11 — Adjust Factory-Installed NOTE: The Fan Speed Set Up labels are located on the High Voltage cover in the Control Box. Options 3. Connect a multimeter to the Vdc terminals on the UCB. SMOKE DETECTORS 4. Set the Range Switch to either A, B, or C per the Switch Smoke detector(s) will be connected at the Unit Control Range table.
  • Page 38 ESP in. wg Factory Setting: Calculator 9.0 V 3000 Field Setting: 3250 Record field setting here 3500 3750 4000 Switch Range: 4250 4500 4.1 - 7.5 4750 10.0 6.9 - 8.7 5000 7.7 - 10.0 Field Accessories: Economizer * Overlap in A, B, C switch range designed for maximum field adjustment potential.

  • Page 39: Typical Unit Piping

    De-energized common liquid line with bi-flow TXV, and dedicated cooling Check Valve A Open and heating TXVs. RHV150 unit indoor coils contain a vapor header check valve. See Fig. 54-55 and Tables 13-15 for Check Valve B Closed typical unit piping schematic parallel coil circuits during...

  • Page 40: Pre-Start And Start-Up

    Reversing Valve Indoor Coil Outdoor Coil Fig. 55 — Piping Schematic — RHV150 Heating Mode Pre-Start and Start-Up This completes the mechanical installation of the unit. Refer to the unit’s Service Manual for detailed Pre-Start and Start- Up instructions. Download the latest versions from HVAC Partners (www.hvacpartners.com).
  • Page 42 © 2022 Carrier Lewisburg, TN 37091 USA Replaces: NEW RHV-150-01SI Specifications are subject to change without notice.

  • Page 43: Start-Up Checklist

    START-UP CHECKLIST RHV150 Single Package Rooftop Heat Pump Units (Remove and use for job file) NOTE: To avoid injury to personnel and damage to equipment or property when completing the procedures listed in this start-up checklist, use good judgment, follow safe practices, and adhere to the safety considerations/information as outlined in preceding sections of this Installation Instruction document.
  • Page 44 © 2022 Carrier Lewisburg, TN 37091 USA Replaces: NEW RHV-150-01SI CL-2 Specifications are subject to change without notice. 6-22...

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