Carrier 62X Series Start-Up
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Carrier 62X Series Start-Up

Dedicated outdoor air unit
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Controls, Operation, and Start-Up
CONTENTS
CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . 3
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Airflow Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Refrigeration System . . . . . . . . . . . . . . . . . . . . . . . . . . 4
• EVAPORATOR
• CONDENSER
• REHEAT SYSTEM
Heating System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
• GAS HEAT
• ELECTRIC HEAT
• HOT WATER HEAT
Filtration System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Energy Recovery Ventilator . . . . . . . . . . . . . . . . . . . . 8
Exhaust Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Supply Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Control Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 8
Controller Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
• UNIVERSAL INPUTS
Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
• LOCAL RNET ACCESS PORT
EQUIPMENT TOUCH™ DEVICE . . . . . . . . . . . . . . . . 13
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Device Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Equipment Touch Usage . . . . . . . . . . . . . . . . . . . . . . 14
Access Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
CONTROL NAVIGATION . . . . . . . . . . . . . . . . . . . . . . 15
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Standby Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Home Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Status Screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Damper Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Set Points Screens. . . . . . . . . . . . . . . . . . . . . . . . . . . 18
• SET POINTS SCREENS OVERVIEW
Fan Set Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
ECW Set Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Cooling 1 Set Points . . . . . . . . . . . . . . . . . . . . . . . . . 19
• COOLING 1 ENABLE:
• COOLING 1 MOD:
• COOLING:
Cooling 2 Set Points . . . . . . . . . . . . . . . . . . . . . . . . . 20
• COOLING 2 ENABLE:
Dehumidification Set Points . . . . . . . . . . . . . . . . . . . 20
• DEHUM ENABLE:
• DEHUM:
• DEADBAND:
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53620026-01
Page
Printed in U.S.A.
Form 62X-2T
Dedicated Outdoor Air Unit
Heating Set Points . . . . . . . . . . . . . . . . . . . . . . . . . . .20
• HEATING 1 ENABLE:
• HEATING:
• DEADBAND:
Heat Pump Heating Set Points
(62W and 62H Only) . . . . . . . . . . . . . . . . . . . . . . . .21
• HEAT PUMP 1 AND 2 ENABLE:
• HEATING:
• DEADBAND:
Limits/Safety Set Points . . . . . . . . . . . . . . . . . . . . . . .21
• CLG MODE LO LIMIT:
• DH MODE LO LIMIT:
• HTG MODE HI LIMIT:
• COMP 1 DISABLE/COMP 2 DISABLE:
• UPPER FREEZE:
• MIDDLE FREEZE:
• LOWER FREEZE:
• ECW DEFROST:
Unoccupied Setpoints (Units with Night Setback ETO
only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
• COOLING:
• DEHUMIDIFY:
• HEATING:
Tech Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Unit Control Configuration. . . . . . . . . . . . . . . . . . . . .22
• ZONE SENSOR OPTION
• PUSH-BUTTON OVERRIDE
• ZONE SETPOINT ADJUST TECH SETUP
• SETPOINT ADJUST LIMIT (+/-)
• NIGHT SET BACK (NSB) OPTION
• MISC OPTIONS A
• MISC OPTIONS B
Tech Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
• OCCUPANCY CONTROL
• MANUAL OCC CONTROL
• ENABLE UNIT OPERATION
• EMERGENCY SHUTDOWN
• EMERGENCY HEAT ENABLE (62H AND 62W HEAT
PUMPS ONLY)
• SF MINIMUM SETTING
• SF HP MINIMUM SETTING
• ZAT/SAT RESET
• HWV MINIMUM OUTPUT
• SUPPLY FAN OCCCUPIED/UNOCCUPIED
OPERATION
• SCHEDULES
• VIEWING LOCAL SCHEDULES
• ADDING NEW LOCAL SCHEDULES
• ADDING MULTIPLE PERIODS TO A SCHEDULE
Sensor Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . .25
• SUPPLY AIR TEMPERATURE (SAT) RESET
• SAT RESET OPERATION
Manual Override . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Differential Pressure Transmitter Summary. . . . . . .26
Airflow Monitor Station (AMS) Summary . . . . . . . . . 26
Pg 1
62X 03-55 Tons
Revision H Controls
1-22
Replaces: 62X-1T

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Summary of Contents for Carrier 62X Series

  • Page 1 62X 03-55 Tons Revision H Controls Dedicated Outdoor Air Unit Controls, Operation, and Start-Up CONTENTS Heating Set Points ......20 •...

  • Page 2: Table Of Contents

    Wiring Diagrams ......67 Zone Air Temperature Sensor (Carrier ZS2) ..42 62X Electrical Data .
  • Page 3 CAUTION This book contains the Controls, Operation and Start-Up informa- tion for the Carrier 62X dedicated outdoor air units with Design This unit uses a microprocessor-based electronic control sys- Series 5 (Revision H) controls. Use this guide in conjunction with tem.
  • Page 4 The 62X Series units utilize a microchannel condenser coil, with ing. There is no return air opening on 62X Series units with supply 12 fins per inch. Condenser coils are available with optional harsh only configurations.
  • Page 5 † Standard Temperature rise is 80/100°F for horizontal/vertical supply. High Temperature rise is 130/160°F for horizontal/vertical supply and requires an XL cabinet. NOTE: Please see latest version of Carrier's Dedicated Outdoor Air Systems Builder program for any size and option restrictions. Fig. 1 — 62X Model Number Information...
  • Page 6 — Not Applicable ODP — Open Drip Proof NOTE: TEFC — Totally Enclosed Fan Cooled Please see the latest version of Carrier’s Dedicated VCC — Variable Capacity Compressor Outdoor Air Systems Builder program for any size VFD — Variable Frequency Drive and option restrictions.
  • Page 7 Table 1 — FIOP Table Table 2 — Limitations Option Option Description Not available with duct pressure control Air flow monitor control (supply only or supply and exhaust) Spring vibration isolation not available on ECM Spring type vibration isolation on Supply fan & Exhaust Fan (if exhaust fan selected) Non-fused disconnect No available with airflow monitor...
  • Page 8 The OptiCORE LS-1628u controller can directly control The 62X Series units are equipped with either a 2-in. (MERV 8 individual components (ex. supply fan, compressors, air damper, pleated) filter or a 4-in. (MERV 8, 11 or 14 pleated) filter (located HGRH) or can enable optional components for individual control before the DX coil).
  • Page 9 O) settings are preconfigured from the factory to reflect the facto- for the 62X series. Inputs UI-2, UI-4, UI-10, and UI-11 are set ry unit configuration.A predetermined amount of the controller’s to read 0 to 10 V.
  • Page 10 Table 4 — Inputs (cont) NUMBER NAME SENSOR TYPE DESCRIPTION UI-26 Normally Closed Contact Condensate Overflow Switch UI-27 Normally Closed Contact Energy Management Relay UI-28 Normally Closed Contact Smoke Detector OptiCORE LS-1628u CONTROLLER — UNIVERSAL INPUTS WITHOUT ERV UI-01 Thermistor Outside Air Temperature UI-02 OA-RH...
  • Page 11 Table 5 — Outputs NUMBER NAME SENSOR TYPE DESCRIPTION OptiCORE LS-1628u CONTROLLER — UNIVERSAL OUTPUTS (LEAD CIRCUIT DIGITAL COMPRESSOR 03-18 TONS) UO-01 SF1VFD 0-10 vdc Supply Fan VFD UO-02 EF1VFD 0-10 vdc Exhaust Fan VFD UO-03 — — — UO-04 MRC (RH) 0-10 vdc Modulating Reheat Controller...
  • Page 12 Equipment Touch device. Power to the Equip- Rx Tx ment Touch 2 is supplied by and external 24VDC power supply. Rnet (See Fig. 4.) This port can also be utilized with a Carrier ZS2 space temperature sensor (optional) to monitor space temperature. PortS1 NET +...
  • Page 13 The Equipment Touch is the recommended start-up and user in- Touch 2 (P#: EQT2) and not with the previous version Equipment terface for the LS-1628 controller found in all 62X Series units, Touch (P#: EQT1). and can be used to configure, monitor, and control unit operation.
  • Page 14 Admin access should allow full start-up and operation of the equipment. Factory — requires factory password. Has access to all screens and can change and edit all information. Contact Carrier technical support if factory password is needed. Touch a button to display that screen Fig.
  • Page 15 The Home screen also contains a link to the Set Point screen (Stp/ CONTROL NAVIGATION DB) and the Technical Settings (Setup) screen. General Status Screens When using the Equipment Touch device to interface with the Status screens can be accessed from the Home screen and will LS-1628 controller, the screens, text, and options displayed will be show relevant information for the listed component or system, based upon the unit options and configuration for each unit.
  • Page 16 The following information may be shown on the on the Supply ZN DPT is the current sensor reading in in.wg. The value Fan status screen: next to EF SP is the pressure set point in in.wg. - EF AMS: The exhaust fan is set up for airflow monitor •...
  • Page 17 The Reheat status screen shows the status and parameters for the liquid subcooling reheat (Sub-Cooling, if equipped) and hot gas reheat (ReHeat). See Fig. 14. Fig. 13 — Cooling Status Screen The following information may be shown on the on Cooling 1 sta- tus screen: Fig.
  • Page 18 • The next parameter (shown as OADP above) indicates the The Heat Pump 1 status screen shows the status and parameters sensor to enable the dehum mode. The type of sensor will the heat pump units (62H and 62W only). Units with two refriger- change depending on the unit configuration.
  • Page 19 Fig. 18 — Setpoints Fig. 20 — ECW SP Pressing a link will open the set point screen for the indicate com- The following set points may be displayed on the ECW SP screen: ponent. Because set points can affect unit operation, an Admin ECW Defrost: (1111) or Factory password is required to access setpoint screens.
  • Page 20 COOLING: heats the supply air up to the SAT set point. The SAT set point should be at or near the space temperature set point (68 to 72°F) to • SAT - In cooling mode, the unit will operate to maintain prevent overcooling the space.
  • Page 21 DEADBAND: The following set points may be displayed on the Limit/Safety SP screen: SAT - The upper and lower deadband for the heating supply air temperature. CLG MODE LO LIMIT: • OAT - disables cooling mode when the outdoor air temp is Heat Pump Heating Set Points below set point (62W and 62H Only)
  • Page 22 • None - no zone air temperature sensor • ZAT Only - zone air temp (Carrier ZS) sensor for use with ZAT reset or Night Setback (unoccupied cooling and heat- ing). • ZAT and Z-RH - zone air temp and RH (Carrier ZS-RH) sensor used for ZAT reset or Night Setback (unoccupied Fig.
  • Page 23 30 minutes of occupied operation, up to 150 minutes. Requires a the unit enters emergency shutdown mode and is disabled ZS plus or pro zone sensor. The following settings are available: (EMSR) or the unit enters unoccupied mode (EMR) and goes through the typical shutdown process.
  • Page 24 Allows the 62X to reset the supply air temperature set point based on an external temperature input. ZAT reset requires the use of a Carrier ZS sensor or other Rnet sensor. See SAT Reset screen (Home  Setup  SAT Reset) for SAT reset set points. Below are the available configurations for SAT reset: •...
  • Page 25 ADDING NEW LOCAL SCHEDULES NOTE: Local schedules will only be effective if the unit occupan- cy control is configured for local schedule. See Tech Setup screen for configuration options. Click on the button next to Add Schedule to add a new schedule.

  • Page 26: Supply Fan And Exhaust Fan Ams Settings

    common to use the supply fan and exhaust fan manual overrides Supply Fan and Exhaust Fan AMS Settings for adjusting the fan speeds during air balancing. The SF and EF AMS setting screen (Home  Setup  AMS Sum- For constant volume (CV) applications, the manual overrides can mary ...

  • Page 27: Set Time And Date

    The router address next to the network types not being match any other address, even if on a different bus on the same used must be 0. network. The default Carrier address 1602. To change the address: •...

  • Page 28: Ip Settings

    NOTE: You may need to power cycle the controller to get the con- Information on the modstat screen can be useful for troubleshoot- troller to accept the new router address. ing controller or network issues. Contact Carrier technical support for further information when troubleshooting a controller using IP Settings modstat.

  • Page 29: Sf Option

    MADP/MAE/RARH - Not used with 62X NOTE: Changes to the equipment configurations should only be HEATING OPTIONS modified by factory trained personnel after consulting with Carrier Determines how the heating system functions. Should match the technical support. Changes to the equipment configuration will af-...

  • Page 30: Humidity Options #1

    Table 8 — Control Manual Graphics STATUS STATUS OPTION OPTION VALUE DISPLAY VALUE DISPLAY None Included SFVFD AMS OAT and OADP SF Option SFVFD CAV OAT or OAE Cooling Enabled By SFVFD DPT (ZN, Bldg) OAT/SAT vs SAT SFVFD DPT (Duct) SFVFD ZAT None None...

  • Page 31: Restoring From Archive

    Turn the rotary address back to 0-0-2 or whichever field address is required for communications. Turn power back on. SYS light will flash blue for 30 seconds and then turn green. EQ2 communication will restore and might update depending on archive. Restore Field Archive To restore a Field archive (Factory Download File), follow these steps:...

  • Page 32: Supply Fan Test Mode

    To access test mode, go to setup, enter user password (1111), and display the current switch feedback status of either or both com- then select Test. Enabling the main test mode will override the oc- pressors. See Fig. 56. cupancy of the unit to unoccupied. The occupancy will revert to the previous value when the main test mode is written OFF or times out.

  • Page 33: Occupied Mode

    and unoccupied periods. This scheduling function can be accessed • As the ZAT goes below the ZAT heating set point, the SAT from the Equipment Touch display pad on the Schedules screen heating set point will increase by a ratio (adjustable) in or- (requires User password).

  • Page 34: Dehumidification Mode (Field Enabled)

    • If the DX LAT drops to 35°F or less for 10 minutes, the - 4-Stage Heat: Terminal W1 turning on enables the Heat- OEM controller will issue an alarm and the compressor ing Analog Relay Module (HARM) on the control panel stops.
  • Page 35 Turn Power Switch of ALC START Controller to “ON” posi on. 60 SECOND DELAY FIXED Clear condi on and reset UNIT IN alarm in Equipment Touch. Is there an OCCUPIED MODE? See IOM For more Ac ve Alarm? informa on. FIXED 30 SECOND DELAY Go to Configura on...
  • Page 36 FROM FIG. 58 FIXED 5 MINUTE DELAY start-up of controller. IS SYSTEM alarm in Equipment Touch. IN ALARM OR COMPRESSOR #2 See IOM For more SHUTDOWN? INCLUDED? If Compressor #2 is included and on due now been cleared, Compressor #2 will turn off, Compressor #2 takes over for Compressor #1.
  • Page 37 FROM FIG. 58 First me only upon FIXED 5 MINUTE DELAY start-up of controller. Clear condi on and reset IS SYSTEM alarm in Equipment IN ALARM OR COMPRESSOR #2 See IOM For more Touch. SHUTDOWN? INCLUDED? informa on. If Compressor #2 is included and on due to Compressor #1 Alarm Condi on which has now been cleared, Compressor #2 will turn off, subject to minimum run me.
  • Page 38 FROM FIG. 58 IS SYSTEM alarm in Equipment IN ALARM OR Touch. See IOM For more SHUTDOWN? IF SF VFD INCLUDED, VFD WILL IS HEAT MODULATE TO 80% DURING GAS SOURCE GAS? FURNACE START-UP PURGE CYCLE GAS FURNACE START-UP PURGE CYCLE – 2 MINUTES SF AND GAS FURNACE RETURN TO NORMAL OPERATION...

  • Page 39: Alarms

    the Alarm condition/mode of the unit. These are classified as auto- ALARMS matically and manually re-settable alarms. Alarms inform the user that there is an operational problem with AUTOMATIC RESET the unit. Some alarms will result in the unit shutting down, some These alarms are reset automatically after the condition which ini- will shut down only the affected equipment, and some are infor- tiated the alarm is corrected.
  • Page 40 Table 9 — Automatic Reset Alarm List ALARM NAME CONDITION/MODE DESCRIPTION (ALARM STATUS SCREEN) Compressor #1 Alarm Alarm/C1 Alarm Compressor #1 shut down; CC1-CS shows “Off” but Y1 is “On”. High Pressure Switch #1 Alarm Alarm/HPS1 Alarm HPS1 switch open; head pressure high in Comp. #1 circuit. Low Pressure Switch #1 Alarm Alarm/LPS1 Alarm LPS1 switch open;...

  • Page 41: Sensors

    Table 10 — Manual Reset Alarm List ALARM NAME CONDITION/MODE DESCRIPTION (ALARM STATUS SCREEN) Compressor #1 Stop Alarm/C1 Stop Compressor #1 shut down due to CC1-CS lock out. High Pressure Switch #1 Stop Alarm/HPS1 Stop Compressor #1 shut down due to HPS1 lock out. Low Pressure Switch #1 Stop Alarm/LPS1 Stop Compressor #1 shut down due to LPS1 lock out.

  • Page 42: Zone Air Temperature Sensor (Carrier Zs2)

    Zone Air Temperature Sensor (Carrier ZS2) the back plate. The Carrier ZS2 Rnet zone air temperature sensor is used for ap- plications requiring SAT reset based on ZAT. See SAT Reset for Use 2 screws to mount the back plate to the wall or outlet details.

  • Page 43: Multiple Zs Sensors-Wiring And Setup

    Table 13 — ZAT Troubleshooting CAUTION IF THE LED ON THE BACK OF THEN THE SENSOR... THE CIRCUIT BOARD... Allow no more than 0.06 in. (1.5 mm) bare communication Is not lit. Has no power. wire to protrude. If bare communication wire contacts the ca- ble's foil shield, shield wire, or a metal surface other than the Blinks 1 time per second Has no communication.

  • Page 44: Supply Air Temperature And Relative Humidity

    • Select a suitable installation area in the middle of the duct Supply Air Temperature and Relative Humidity wall. Sensor (SAT/RH) - To achieve the best reading, do not place in an area All 62X units require a SAT/RH sensor for operation. See where air stratification may be present.

  • Page 45: Controller Wiring And Configuration

    • Once wiring and set up are complete, re-install cover and tighten the (2) screws using a Phillips screwdriver. CONTROLLER WIRING AND CONFIGURATION • Verify that the controller power and 24V power are disabled • Make the appropriate wiring connections at the controller. See Fig.
  • Page 46 Table 15 — Thermistor Resistance vs. Temperature TEMP RESISTANCE TEMP TEMP RESISTANCE TEMP TEMP RESISTANCE TEMP (°C) (Ohms) (°F) (°C) (Ohms) (°F) (°C) (Ohms) (°F) –40.0 337,200 –40.0 14.0 16,470 57.2 68.0 1,878 154.4 –39.0 315,500 –38.2 15.0 15,710 59.0 69.0 1,814 156.2...

  • Page 47: Differential Pressure Transmitter (Dpt)

    b. Directional Jumper: unidirectional for supply, bidirec- Differential Pressure Transmitter (DPT) tional for return Units with the factory installed pressure control option will in- c. Output Switch: Voltage clude one (units without exhaust fan) or two (units with exhaust fans) DTPs to allow variable speed fan control. The supply fan d.

  • Page 48: Setup

    SETUP Energy Management Relay Turn the adjusting screw on the front clockwise until tight (do The 62X units have Emergency Relay (EMR) functionality built not strip threads). in to the unit controller. The EMR can act as an emergency shut- down.
  • Page 49 Fig. 78 — DC1 VFD Control Table 19 — Supply Fan Parameters 0-10V Control Value Description P-01 Set to 1800 for belt driven blowers. Set per work order for direct drive. f-max P-02 Set to half of P-01 f-min P-03 20 s t-acc P-04...

  • Page 50: Hot Water Heating Control

    Please note that PR series units use ANPA blowers for “Air- foil” blowers and ANPL blowers for backwards inclined “BI” blowers. Press the “OK” switch to access the “Flow Rate”. Using the “UP” and “DOWN” buttons set the “Flow Rate” to 1000, 3000, 5000, 9999, or 30.00 based on the CFM of the blower.

  • Page 51: Inverter Driven Compressor

    modulated by rapidly switching a normally closed (N.C.) unloader All sizes use three-phase condenser fan motors (OFM). With the solenoid on and off. When the solenoid is energized, i.e., open, the variable-speed head pressure control and the condenser fan VFD, compressor is unloaded.

  • Page 52: Heating

    HEATING Flame Current Sensor The flame current sensor may be tested by the following The 62X units may be equipped with gas or electric heat. The gas procedure: heat may be staged or modulating control. The electric heat may be staged or SCR (Silicon Controlled Rectifier) control. SERVICE CHECKS Set Points Flame current is the current which passes through the flame from...

  • Page 53: Staged Heat

    Table 23 — LED Codes LED CODE SYSTEM DESCRIPTION ACTIONS 1. Check for open fuse or circuit breaker. No Power to None On call for heat nothing happens. 2. Check for poor wiring connection. 3. Check for failed 24V transformer. 1.

  • Page 54: Ignition And Operational Failures During A

    10. When the initial timer in TR1 times out, it defaults the gas valve immediately and the combustion blower following a valve to low fire and the combustion blower to low speed and 30-second post-purge period. returns control of the operating mode to the temperature con- RECOVERY FROM LOCKOUT troller.
  • Page 55 230 VAC 240T6T07 SRTN IGNITION CONTROL DRAFT INDUCER External Safety T' STAT Interlocks ROLL OUT ROLL OUT SWITCH SWITCH APS-1 HI LIMIT Factory Jumper AIR SWITCH -LO 35-61xxxxx Control FLAME SENSOR V2/G SPARK IGNITER 2 STG GAS VALVE APS-2 AIR SWITCH -HI a62-630 a62-630 CUSTOMER PROVIDED COMPONENT...
  • Page 56 MODULATOR VALVE AIR PRESSURE (MODULATING SYSTEMS ONLY) SWITCH TWO-STAGE GAS VALVE FLAME ROLLOUT SWITCH FLAME SENSOR 3/4” NPT GAS INLET CONNECTION HI LIMIT SWITCH MANIFOLD DRAFT INDUCER PRESSURE TAP ASSEMBLY DRAFT INDUCER MOTOR MOTOR SUPPORT BRACKET WIRE HARNESS TO JB/IGNITION SPARK IGNITER CONTROL CONDENSATE DRAIN...

  • Page 57: Draft Fan Pressure Measurement Hm Series Heat

    DRAFT INDUCER ASSEMBLY DRAFT INDUCER MOTOR LOWER CONDENSATE FITTING VENT DUCT (SUPPLIED BY OTHERS) AIR PRESSURE SWITCH HI LIMIT SWITCH FLAME ROLLOUT SWITCH FLAME SENSOR SPARK IGNITER MANIFOLD TWO-STAGE FLAME ROLLOUT PRESSURE TAP GAS VALVE SWITCH Fig. 86 — Vertical Unit with Staged Gas Heat Draft Fan Pressure Measurement HM Series Heat Module Remove air pressure supply tube from fan at pressure switch...

  • Page 58: Manifold Pressures

    approximately 5.3 VDC input. Relay opens at approximately Table 25 — Pressure Reading 4.7 VDC input. HIGH FIRE Provides an adjustable timer (0 to 30 secs) and adjustable AMBIENT SERIES STEADY STATE (Min. in. wg) VDC (5 to 15 VDC) output to the modulating gas valve at (Min.

  • Page 59: Inducer Fan Speed Control

    The TR1 maintains this mode throughout Timer No. 1’s dura- tion, regardless of the temperature controller input (it is ignor- ing terminal 6). The initial gas valve stage, initial inducer stage, and length of time are customer specified and pro- grammed into the TR1.

  • Page 60: Sequence Of Operation For Electronic

    LIT WHEN 24-V POWER TO CONTROL LIT DURING WARM-UP TIMER DURATION LIT AFTER WARM-UP PERIOD TIMES OUT LIT WHEN COMBUSTION BLOWER OPERATING AT HIGH SPEED LIT WHEN SECOND STAGE GAS VALVE IS POWERED Fig. 92 — Timer Relay Control (TR1) SEQUENCE OPERATION ELECTRONIC...

  • Page 61: Fault Conditions And Led Key

    The ignition control may also be manually reset, by turning Table 28 — LED Codes the thermostat (controller) down and back up to previous tem- MEANING perature setting or removing power (24V) to IC terminal LED Steady On Internal Control Fault 24VAC.

  • Page 62: Electric Heat

    30 kW and larger staged heaters are four stage. SCR control is Electric Heat available on all heater sizes. See Fig. 94-98 for electric heater wir- The 62X units may be equipped with electric heat. The electric ing diagrams. heat control may be staged or SCR control. Staged electric heat units with nominal heater capacity of 10 to 25 kW are two stages, POWER TO UNIT 24V CONTROL...

  • Page 63: Scr Controlled Electric Heat

    MANUAL RESET HEATER LIMIT ELEMENT MANUAL HEATER RESET RELAY LIMIT POWER TO UNIT 24V CONTROL CIRCUIT HEATER ELEMENT BLACK AIR PRESSURE MANUAL SWITCH WHITE RESET LIMIT TERMINAL BLOCK WHITE/ GROUND BLACK LIMIT SWITCH (AUTO) MANUAL RESET TERMINAL BLOCK LIMIT HEATER RELAY MAIN TERMINAL...
  • Page 64 BLACK AIR PRESSURE SWITCH HEATING WHITE LIMIT ELEMENTS SWITCH HEATER MANUAL RELAY RESET LIMIT WHITE / BLACK UNIT WHITE / BLUE LIMIT SWITCH WHITE / RED HEATER RELAY MANUAL RESET LIMIT HEATER RELAY TERMINAL LIMIT BLOCK SWITCH HEATER RELAY GROUND TERMINAL BLOCK FUSE...

  • Page 65: Energy Recovery Ventilator Control

    – 0-10 INPUT SEE MANUAL FOR AIR PRESSURE SIGNAL INPUT SIGNAL SWITCH WIRING TERMINAL BLOCK LIMIT SWITCH MANUAL RESET LIMIT 3 2 1 SCR CONTROLLER POWER TO FAN MOTOR HEATER RELAY TO UNIT TERMINAL TERMINAL CONTROL BLOCK BLOCK CIRCUIT YELLOW 24V CIRCUIT TRANSFORMER MAIN...

  • Page 66: Seals

    SEALS Open the ERV access door and slide the cassette assembly out of the unit until the stop is reached. Check seal alignment, check for wear and cracking, Clean if required. With the wheel out, wash the media carefully with water. WHEEL IMPORTANT: DO NOT USE A PRESSURE WASHER, as it The wheel is designed to last the life of the equipment.

  • Page 67: Electrical Data

    ELECTRICAL DATA 62X Electrical Data Refer to the most current version of the dedicated outdoor air Wiring Diagrams builder for unit electrical data. See Fig. 99 and 100 for typical wiring information. MSP-CC1 MSP-CC1 Y-12 Y-12 Y-12 CC1-CS CC1-CS O-12 O-12 O-12 BR-12...
  • Page 68 NOTE: SEE “T1” ON SHEET 1 Line 96 VA NOTE: SEE “T3” ON SHEET 1 Voltage FOR WIRING CONTINUATION CLASS 2 FOR WIRING CONTINUATION 50/60HZ PM AUX 50/60HZ R-14 R-14 G-14 G-14 R-14 BL-14 Remove jumper when field installed safe es are used R-14 UNL.SOL 1 UNL.SOL 1...
  • Page 69 CONTINUED ON SHEET 2 BOS1 BOS1 Enable Supply Fan Enable Hot Gas Reheat MRV1 MRV1 CAP PINK WIRE SEPARATELY 0-10VDC Output UO-04 See ALC PAGE WBDA-O WBDA-O Enable Wheel By-Pass Damper Actuator 24VAC 24VAC 24VAC 24VAC WBDA-R WBDA-R Enable Wheel Motor 60,173 60,173 See separate Modula ng...
  • Page 70 Op CORE On/ Off -12V Rnet Rnet + LS-1628u Rnet SEE TB4 ON UNIT Rnet - WIRING DIAGRAM Vac/Vdc + +12V +12V NET + NET + NET - NET - TB-A Shield Shield Rx Tx FOR FIELD : FOR FIELD : Rnet BACNET BACNET...
  • Page 71 SENSORS Line # DESCRIPTION ECA-T/RH ECA-T/RH Clogged Filter Indicator Condensate Overflow Switch DXLAT1, DXLAT2 280,282 Dx Leaving Air Temperature #1, #2 ECA-T/RH Entering Coil Air - Temperature & Humidity Outside Air Temperature Return Air Temperature SA-T/RH Supply Air - Temperature & Humidity Field install Factor Installed Smoke Detector and wire...
  • Page 72 LEGEND - ITEMS INSIDE CONTROL PANEL LEGEND - ITEMS OUTSIDE CONTROL PANEL LINE FUNCTIONAL ITEM FUNCTIONAL DESIGNATION DESCRIPTION ITEM LINE NUMBER DESCRIPTION NUMBER DESIGNATION Compressor Contactor no. 1 BCTL 179,449 Blower Compartment Thremal Limit CC1-AUX1 CC1 - Auxiliary Contact no. 1 BOS1 Bleed Off...
  • Page 73 GAS FURNACE POWER SUPPLY FOR 460 VOLT UNITS O-14 O-14 BR-14 BR-14 460V 4 Amp Fuses, 1000 VA R-14 Class CC, 230V 600 volts, GAS FURNACE #1 LINE R-14 BK-14 Time Delay VOLTAGE TERMINALS 2 Amp Fuses, (SEE FURNACE WIRING DIAGRAM) G-14 G-14 Class CC,...
  • Page 74 MSP-CC1 MSP-CC1 CMVFD1 CMVFD1 Y-10 Y-10 Y-10 CC1-CS CC1-CS O-10 O-10 O-10 BR-10 BR-10 BR-10 G-14 G-14 CCH1 CCH1 CHC1-AUX1 CHC1-AUX1 G-14 G-14 Y-14 BR-14 CURRENT SENSOR OUTDOOR FAN MOTOR VFD (OF1VFD)CONTROL TERMINAL STRIP Eaton DC1 Eaton DC1 OFVFD1 OFVFD1 MSP-CC2 MSP-CC2 Y-10...
  • Page 75 Line NOTE: SEE “T1” ON SHEET 1 96 VA NOTE: SEE “T3” ON SHEET 1 FOR WIRING CONTINUATION Voltage CLASS 2 FOR WIRING CONTINUATION 50/60HZ PM AUX 50/60HZ R-14 R-14 G-14 G-14 R-14 BL-14 Remove jumper when field installed safe es are used R-14 CM1VFD CONTROL See ALC Page 0-10VDC Eaton DC1...
  • Page 76 CONTINUED ON SHEET 2 BOS1 BOS1 Enable Subcooling 138,140 138,140 LSS1A LSS1A N.O. N.C. LSS2A LSS2A LSS1B LSS1B N.O. N.C. LSS2B LSS2B Enable Supply Fan Enable Hot Gas Reheat MRV1 MRV1 CAP PINK WIRE SEPARATELY 0-10VDC Output UO-04 See ALC PAGE See separate Modula ng Gas Furnace Drawing BCTL...
  • Page 77 Op CORE On/ Off -12V Rnet Rnet + LS-1628u Rnet SEE TB4 ON UNIT Rnet - WIRING DIAGRAM Vac/Vdc + +12V +12V NET + NET + NET - NET - TB-A Shield Shield Rx Tx FOR FIELD : FOR FIELD : Rnet BACNET BACNET...
  • Page 78 SENSORS Line # DESCRIPTION OA-T/RH OA-T/RH Clogged Filter Indicator Condensate Overflow Switch DXLAT1, DXLAT2 345,347 Dx Leaving Air Temperature #1, #2 OA-T/RH Outside Air - Tempature & Humidity SA-T/RH Supply Air - Temperature & Humidity Factor Installed Smoke Detector SF-DPT Supply Fan - Differen al Pressure Transducer Field install ZN-DPT...
  • Page 79 LEGEND - ITEMS INSIDE CONTROL PANEL LEGEND - ITEMS OUTSIDE CONTROL PANEL LINE FUNCTIONAL ITEM FUNCTIONAL DESIGNATION DESCRIPTION ITEM LINE NUMBER DESCRIPTION NUMBER DESIGNATION CC1-CS 2,363 Compressor #1 - Current Switch BCTL 179,514 Blower Compartment Thremal Limit Compressor Contactor no. 2 BOS1 Bleed Off...
  • Page 80 GAS FURNACE POWER SUPPLY FOR 460 VOLT UNITS O-14 O-14 BR-14 BR-14 460V 4 Amp Fuses, 1000 VA R-14 Class CC, 230V 600 volts, GAS FURNACE #1 LINE R-14 BK-14 Time Delay VOLTAGE TERMINALS 2 Amp Fuses, (SEE FURNACE WIRING DIAGRAM) G-14 G-14 Class CC,...
  • Page 81 LEGEND FOR FIG. 99 AND 100 — Supply Air Differential Pressure Switch BCTL — Blower Compartment High Temperature Limit BOS1 — Bleed off Solenoid #1 for HGRH C450 — Johnson Control C450 — Circuit Breaker — Compressor Contactor No. 1 CC1-A —...

  • Page 82: Setting Up Autobaud

    Service Port Controller setup pages > BACnet Tab > Port S1 NOTE: The 62X unit utilizes an OEM controller and is considered or Port S2 or a third party device when integrating with Carrier’s i-Vu Open ® The WebCTRL interface, on the Network tree, select your system.
  • Page 83 APPENDIX A — BAS COMMISSIONING (CONT) NOTE: The controller’s End of Net switch applies network Use one of the IP addressing schemes described below with the termination and bias. If the controller is at the end of a net- associated instructions that follow work segment that includes a DIAG485 that has its Bias jumper in the ON position, set the End of Net? switch to No Use a...
  • Page 84 APPENDIX A — BAS COMMISSIONING (CONT) Click Save. CAUTION Table A — Wiring Specifications for Communications If you are using Port S1, the rotary switches also determine Ethernet Cat5e or higher Ethernet cable Max length: 328 ft (100m) that network's address. Although the ARCNET address range is 1 to 255, the Default IP address range is 1 to 253.
  • Page 85 If you are using Port S1, set the Port S1 Configuration to SiteBuilder and downloaded it from the WebCTRL interface. switch to 1. Table C — Mapping Points - Carrier 62X Rev. H - 100% Outdoor Air Air-to-Air BACnet Display Name...
  • Page 86 Table C — Mapping Points - Carrier 62X Rev. H - 100% Outdoor Air Air-to-Air (cont) BACnet Display Name Read/Write Description Reference Name Type The current Zone Carbon Dioxide reading (CO ) from the Zs CO2 Status co2_stat sensor. Comp #1 CS Status cc1_cs_stat Compressor #1 Current Sensor Status.
  • Page 87 Table C — Mapping Points - Carrier 62X Rev. H - 100% Outdoor Air Air-to-Air (cont) BACnet Display Name Read/Write Description Reference Name Type EF PID Output Override Read/write Exhaust Fan PID Output in Constant Air Volume ef_pid_ovrd_lock Lock (CAV) Status.
  • Page 88 Table C — Mapping Points - Carrier 62X Rev. H - 100% Outdoor Air Air-to-Air (cont) BACnet Display Name Read/Write Description Reference Name Type Local OAT/OARH Sensor Read/write to Enable the Local OAT/OARH sensor. local_oa_sens_en 1115 Enabled LPS #1 Status lps1_stat Low Pressure Switch #1 Status.
  • Page 89 Table C — Mapping Points - Carrier 62X Rev. H - 100% Outdoor Air Air-to-Air (cont) BACnet Display Name Read/Write Description Reference Name Type The setpoint High Supply Air Temperature alarm (Default is SAT High Limit SP sat_high_limit_sp 120°F). The setpoint for Low Supply Air Temperature Alarm (Default is...
  • Page 90 Table C — Mapping Points - Carrier 62X Rev. H - 100% Outdoor Air Air-to-Air (cont) BACnet Display Name Read/Write Description Reference Name Type The Zone Temperature Setpoint for unoccupied heating resides Zone Set Points htg_zat_sp_u in the Setpoint Microblock (Default is 60).

  • Page 91: Appendix B - Operating Modes And Conditions

    APPENDIX B — OPERATING MODES AND CONDITIONS Table D — Operating Modes Table E — Operating Conditions VALUE DISPLAY VALUE DISPLAY VALUE DISPLAY SCHEDULE C1 HAND UNOCCUPIED OA DAMPER C2 ALARM NIGHT STBK FAN ONLY C2 STOP OPT START ECONOMIZER HPS2 ALARM OCCUPIED COOLING...

  • Page 92: Appendix C - Equipment Quick Start-Up Guidance

    DPT has been installed and verify the DPT set point. For AMS control, verify the airflow CFM set point. The recommended interface for start-up of the 62X is the Carrier Equipment Touch (E-Touch) display or App. The E-Touch display...
  • Page 93 APPENDIX C — EQUIPMENT QUICK START-UP GUIDANCE (CONT) FAN CONTROL The unit can be forced into heating/cooling/dehumidification mode by tricking the unit to read a different outdoor air The supply and exhaust fans for the 62X units can be controlled temperature (OAT) by using the sensor offset function.
  • Page 94 APPENDIX C — EQUIPMENT QUICK START-UP GUIDANCE (CONT) SET TIME AND DATE OCCUPANCY CONTROL The 62X controller has a built in time clock that must be set for The 62X can be configured for multiple occupancy control meth- proper operation. The Time and Date screen can be accessed from ods, including BAS control, 24/7 occupancy, start/stop relay, or lo- the BAS Setup screen (HomeSetup...
  • Page 95 APPENDIX D — CONTROL NAVIGATION DIAGRAM Standby NOTES: 1. Navigation is performed using screen links and shortcuts. Any Key 2. Navigation options will vary based on unit configuration. 3. Access the Home screen by pressing the home icon. 4. Access the previous screen by pressing the left arrow icon. 5.
  • Page 96 APPENDIX D — CONTROL NAVIGATION DIAGRAM (CONT) Set Points/ Admin Link Pass Deadband Fans EC Wheel Cooling 1 Heating Set Points Set Points Set Points Set Points Supply Fan Mod VFD Defrost Cooling Enable Heat Enable Exhaust Fan Mod Enable Cooling Mod Heating Mod Heating DB...
  • Page 97 APPENDIX D — CONTROL NAVIGATION DIAGRAM (CONT) Tech Settings Misc. Settings Module Program Equipment Status Archive Settings Touch Setup Key Click Disable Timeout Alarm Sound Calibrate Screen Passwords Equipment BAS Setup Language Configuration (Module Setup) Supply Fan Control Exhaust Fan Control Set Time and Time...
  • Page 98 APPENDIX E — AIR BALANCE INSTRUCTIONS (An Equipment Touch or Equipment Touch App will be required for air balance) AIR BALANCE PRE-CHECK INSTRUCTIONS Check the box to verify the activity has been completed. If the ac- • All fire dampers and VAV dampers are verified to be open tivity does not apply, write N/A in the box.
  • Page 99 APPENDIX E — AIR BALANCE INSTRUCTIONS (CONT) CONSTANT SPEED BALANCING Navigate to the Fan Setpoints screen (Home  Stp/DB  Fans) and set the following parameters to match the recorded Navigate to the Manual Override screen (Home  Setup  values.
  • Page 100 © 2022 Carrier Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53620026-01 Printed in U.S.A. Form 62X-2T Pg 100 1-22 Replaces: 62X-1T...
  • Page 101 PRE-START-UP CHECKLIST Pre-Start-Up Checklist must be completed by installing contractor and submitted to the Carrier start-up team or the start-up contractor. PROJECT INFORMATION Installer ___________________________________________ Project Name_______________________________________ Contact Name______________________________________ Address __________________________________________ Contact Phone______________________________________ City_______________________________________________ Contact Email_______________________________________ State/Providence________________ Zip Code ____________...
  • Page 102 Cooling (cont)  Dehumidification (dehum) mode will be enabled by (circle one): OADP vs SADP / OAE / SARH  Dehum mode will be enabled above: _________  The dehum design supply air temperature is: _________ (default is 70°F) Gas Heat (if equipped) ...
  • Page 103  The sensor calibration screen has been reviewed and all sensors are verified to have correct readings. If any sensor reads -60°F (open) or 296°F (short), check the sensor and sensor wiring. If the problem persists, contact your Carrier sales representative. SAT Reset (if equipped) ...
  • Page 104 An Equipment Touch, Equipment Touch App, or Field Assistant will be required for control configuration. The unit control configuration must be completed by installing contractor or start-up contractor prior to equipment start-up. If completed by the installing contractor, provide to the Carrier startup team. PROJECT INFORMATION...
  • Page 105 Unit Control Configuration (HomeSetupUnit Config)  Configured the Zone Sensor Option, Push-Button Override, and Zone Setpoint Adjust based on the ZAT sensor operation from the SAT Reset or NSB sections of the pre-startup checklist (if needed)  Adjust the Setpoint Adjust +/- set point based on the max set point adjustment from the SAT Reset or NSB sections of the pre-startup checklist (if required) ...
  • Page 106 Unit Control Configuration SAT Reset Parameter Configuration Parameter Configuration Zone Sensor Type ZAT Ratio ZS Button Override SAT Ratio ZS Set Point Adjust Max Change ZS Adjust +/- Cooling ZAT Night Setback Heating ZAT Misc. Options A Misc. Options B DPT Summary Parameter Configuration...
  • Page 107 PARAMETER SENSOR SET POINT UNITS Fans SP Building Static Press In Wg. Supply Fan Mod AMS / DPT CFM/in. wg. Exhaust Fan Mod AMS / DPT CFM/in. wg. ECW SP ECW Defrost WExAT °F Cooling 1 (Clg1) SP Clg #1 Enable OA/ECAT / OA/ECE / LAT Clg #1 Mod DX LAT...
  • Page 108 UNIT SCHEDULE (if required Local Schedule (HomeSetupSchedule)  Configure the local weekly or continuous occupied schedule per the pre-startup checklist. WEEKLY SCHEDULE Weekday Occ/Unocc Period 1 Period 2 Period 3 Period 4 Dated Schedule Start Date End Date Weekday Occ/Unocc Period 1 Period 2 Period 3...
  • Page 109  All packing materials have been removed from the unit.  The unit is free of damage. If damage exists, contact your local Carrier representative.  The unit has been installed in accordance with required service clearances and required access.
  • Page 110 Gas Heat (if equipped)  The gas piping has been connected per the installation instructions and has no leaks  Gas shutoff valves and gas regulator have been installed and have been verified to operate properly  The inlet gas pressure and gas quality are enough for proper unit operation ...
  • Page 111 Filter Status (in filter section)  With the fan operating at high speed, turn the adjustment screw counterclockwise until the flag drops  Turn the adjustment screw 1-1/2 turns clockwise and reset the flag Exhaust Fan (if equipped)  The exhaust fan is rotating in the correct direction ...
  • Page 112  With the supply fan operation at 100% speed or the balanced speed and the gas heat operating at low fire (50% capacity for 2 stage units, 25% capacity for 4 stage units, 20% capacity for 5:1 modulating units, and 10% capacity for 10:1 modulating units), record the following information in the startup log: ·...
  • Page 113 STARTUP LOG Prior to performing start-up, the crank case heaters must operate for 24 hours. Power Supply L1-L2 Voltage ______________L1-L3 Voltage ______________L2-L3 Voltage ______________ Average Voltage ______________ (L1-L2 + L1-L3 + L2-L3)/3 Voltage Tolerance ______________ (Average Voltage-Nameplate Voltage)/Nameplate Voltage Voltage Imbalance ______________ (Maximum Deviation Voltage/Average Voltage) x 100 The Maximum Deviation Voltage is the voltage that is furthest away from the Average Voltage Supply Fan, Exhaust Fan, and ECW Note: Motor amp readings should be taken at full airflow (100%) and full ECW speed (100%)
  • Page 114 Hot Water Leaving Water Temp______________ °F at 50% capacity and 100% airflow Hot Water Fluid Flow Rate______________ GPM at 50% capacity © 2022 Carrier Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

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