Page 2 - Table 1 — Physical Data
2 Identify and Prepare Units 1. Be sure power requirements match available power source. Refer to the unit nameplate and wiring diagram. 2. Remove front (40UV) or bottom (40UH) access panels from the unit. Retain the 5 / 32 -in. socket head fasteners and panels for reinstallation later. 3. Rotate th...
Page 3 - MOTOR; FRONT VIEW; REMOVABLE PANEL; RIGHT SIDE VIEW; Connection hand is determined by facing discharge of
3 2.95 2.00 12.10 (TYP) W1 (SEE NOTE 2) 1.00 (UNIT SHOWN WITH 1.00" END PANELS) MOTOR ELECTRICALBOX RECESSED RETURNAIR/KICK PANEL FRONT VIEW NON-FUSEDDISCONNECTSWITCH FRONT SERVICEPA NELS(SEE NOTE 3) CCNCONTROLLER(OPTIONAL) 17.50 (TYP) W2 .90 15.00 (TYP) 18.25 (TYP) 7.00 (TYP) 22.00 (TYP) 2.00 (...
Page 4 - TOP VIEW; Connection hand is determined by facing dis-
4 27.30 30.00 19.37 2.40 13.75 7.02 1.74 PIPINGTUNNEL 2.00 3.00 12.00 (TYP) 1.00 (UNIT SHOWN WITH 1.00" END PANELS) W1 (SEE NOTE 2) MOTO R ELECTRICALBOX RECESSED RETURNAIR/KICK PANEL NON-FUSEDDISCONNECTSWITCH FRONT SERV ICEPANEL S(SEE NOTE 3) CCNCONTROLLER(OPTIONAL) 21.88 1.70 5.20 5.22 W3 10.61...
Page 5 - BOTTOM VIEW
5 2.00 W1 (SEE NOTE 2) 1.00 (UNIT SHOWN WITH 1.00" END PANELS) MOTO R ELECTRICALBOX RETURN AIRLOUVERED PA NEL(OPTIONAL) BOTTOM VIEW NON-FUSEDDISCONNECTSWITCH BOTTOM SERVICEPA NELS(SEE NOTE 3) CCNCONTROLLER(OPTIONAL) LEFT SIDE VIEW REAR VIEW 17.50 (TYP) W2 1.00 15.00 (TYP) 18.25 (TYP) .75 (MOUNTI...
Page 6 - Fig. 4 — 40UH Dimensions — Front Discharge Units; LEGEND
6 NOTES: 1. All dimensions are in inches.2. Dimension does not include end panels.3. Two bottom panels provided for service access. 4. Motor and electrical power input box on right side of unit. Box includes fan speedswitch, On/Off switch and non-fused dis-connect switch. 5. Connection hand is deter...
Page 7 - Fig. 5 — 40UH Dimensions — Down Discharge Plenum; CCN —; Carrier Comfort Network®
7 W4 (TYP) 17.50 (TYP) 2.50 (TYP) 4.75 (TYP) W2 1.25 4.50 6.75 (TYP) 1.00 (TYP) 8.00 (TYP-SEE NOTE 2) 3.67 (TYP) .75 (MOUNTING HOLES- TYP-4 PLACES) TOP OUTSIDE AIROPENING (OPTIONAL) REMOVABLE PANEL(EACH END) FRONT VIEW BOTTOM VIEW REAR VIEW LEFT SIDE VIEW (SIZES 075 TO 150) 2.27 5.00 5.75 W2 3.00 RE...
Page 8 - Make Piping Connections —; Do not overtighten! Overtightening will dis-; NOT; Make Electrical Connections —; Fig. 6 — Typical Condensate Drain Trap; NOTE: Follow TXV manufacturer’s instructions.; Fig. 7 — Typical TXV (Thermostatic Expansion
8 Make Piping Connections — Access to piping is available through the access panels at the front, top, or end ofthe vertical unit (horizontal access from bottom or side). Routepiping through the pipe tunnel or the unit’s back panel or floorpanel. Metal blank-off panels must be trimmed to completepip...
Page 9 - Table 2 — Electric Heater Data for Units with PSC Motor
9 Table 2 — Electric Heater Data for Units with PSC Motor LEGEND NOTES: 1. LAT (Leaving Air Temperature) (F) is measured at nominal cfm.2. Water and DX coil used on electric heat units have left-hand coil connections. 3. Electric heat is available in the reheat position only and connec- tions are on...
Page 10 - Table 2 — Electric Heater Data for Units with PSC Motor (cont)
10 Table 2 — Electric Heater Data for Units with PSC Motor (cont) LEGEND NOTES: 1. LAT (Leaving Air Temperature) (F) is measured at nominal cfm.2. Water and DX coil used on electric heat units have left-hand coil connections. 3. Electric heat is available in the reheat position only and connec- tion...
Page 14 - Table 3 — Electric Heater Data for Units with ECM
14 Table 3 — Electric Heater Data for Units with ECM LEGEND NOTES: 1. LAT (Leaving Air Temperature) (F) is measured at nominal cfm.2. Water and DX coil used on electric heat units have left-hand coil connections. 3. Electric heat is available in the reheat position only and connec- tions are on the ...
Page 15 - Table 3 — Electric Heater Data for Units with ECM (cont)
15 Table 3 — Electric Heater Data for Units with ECM (cont) LEGEND NOTES: 1. LAT (Leaving Air Temperature) (F) is measured at nominal cfm.2. Water and DX coil used on electric heat units have left-hand coil connections. 3. Electric heat is available in the reheat position only and connec- tions are ...
Page 20 - Table 4 — Motor Data
20 Table 4 — Motor Data LEGEND *Available in vertical configuration only. †Available in horizontal configuration only. PSC MOTORS UNIT 40UV,UH SIZE MOTOR Hp VOLTAGE FLA MCA MOP (Amps) MAX FUSE SIZE (Amps) 050* 1 / 5 115 3.7 4.6 8.3 15 208/230 2.0 2.5 4.5 15 265 1.6 2.0 3.6 15 075 1 / 5 115 3.7 4.6 8...
Page 21 - RI; ECM
21 C A V 4 2 1 N A R T 4 0 5/ N R B 0 1 1/ T HW 1 W S 1 0 1/ K L B 0 1 1/ T H W 2 0 1/ K L B 1 U F S E RI W Y L P P U S R E P P O C E S U V 5 1 1 1 L N D N G 0 0 1/ K L B K L B 1 C SI D N R G 9 0 1/ K L B C A V 0 2 1 9 0 1/ K L B 1 1 1/ T HW 1 1 1/ T H W W O L D E M H GI H X A M c a V 4 2 D R A O B ...
Page 23 - Make Duct Connections —; Table 5 — Unit Ventilator Airflow — PSC Motor*
23 Make Duct Connections — If applicable, install all ductwork to and from unit in accordance with all applicablecodes. Duct construction must allow unit to operate within ductexternal static pressure limits as shown on job submittals and inTables 5 and 6. Duct opening should be the same size as the...
Page 24 - Table 6 — Unit Ventilator Airflow — ECM Airflow; Make Final Preparations
24 Table 6 — Unit Ventilator Airflow — ECM Airflow LEGEND NOTES:1. Factory default is Low Position.2. Med, High, and Max positions are field settings. Make Final Preparations 1. Turn power off (lock out and tag electrical disconnect).2. Install thermostats and perform any other final wiring as appli...
Page 26 - CONTROL COMPARTMENT; rl; EC
26 ROOM-AIR TEMPERATURE SENSOR MIXED AIR TEMPERATURE SENSOR (UNIT FILTER REMOVED) ON OF F SERVICE SWITCH FAN SPEED SWITCH CONTROL MODULE RELATIVE HUMIDITY SENSOR OPTION (FIELD- INSTALLED ACCESSORY) SPACE TEMPERATURE SENSOR OPTION (FACTORY- INSTALLED OPTION) CONTROL COMPARTMENT WITH FACTORY-INSTALLED...
Page 27 - Table 10 — Control Board Terminal Designations; The module is factory-; Fig. 10 — Control Switch Location
27 Table 10 — Control Board Terminal Designations LEGEND Unit Ventilator Comfort Control Module Instal-lation and Field Wiring — The module is factory- installed and factory-wired within the control compartment.The Unit Ventilator Comfort Control module contains the soft-ware and microprocessor that...
Page 29 - Sensors; The sensor consists of a thermistor, encased within an; Table 11 — Sensor Connections
29 Sensors ROOM-AIR TEMPERATURE (RAT) SENSOR — The RATsensor is factory-installed and factory-wired to the control. Itmeasures the temperature of the air returning to the unit fromthe space. The sensor consists of a thermistor, encased within an epoxy bead. See Fig. 12. It is mounted behind the fron...
Page 30 - RESISTANCE; Fig. 14 — Mixed-Air Temperature Sensor Installed
30 OUTDOOR-AIR TEMPERATURE (OAT) SENSOR — TheOAT sensor is factory-installed and factory-wired to the con-trol. The OAT sensor monitors the temperature of the outsideair entering the unit. See Fig. 13. The sensor is installed immediately upstream from the outdoor-air damper where it will accurately ...
Page 31 - Fig. 16 — Space Temperature Sensor
31 The LLR is designed to trip if any 1-ft section of the capital- ly tube senses cold air below the LLR set point. The tempera-ture must exceed 33 F for the LLR to automatically reset torestore normal operations.SPACE TEMPERATURE SENSOR (Factory-InstalledOption) — The space temperature sensor is us...
Page 33 - Fig. 18 — Space Temperature Sensor Wiring; COM —; Common; GND —; Ground
33 Fig. 18 — Space Temperature Sensor Wiring OVERRIDE PUSHBUTTON CCNSERVICECONNECTOR SET POINT ADJUSTMENT 6 5 4 3 2 1 CCNCABLE SENSORCABLE WIRE ACCESSHOLE SENSOR PC BOARD THERMISTOR TEMPERATURESENSOR SET SEN RED (TH) BLK (COM) WHT (SW) JUMPER TERMINALSAS SHOWN RED (+) BLK (-) WHT (GND) LEGEND CCN — ...
Page 35 - To connect the sensor to the control board, identify the; Fig. 22 — Air Quality Sensor Wiring
35 Air Quality Sensor Wiring — To wire the sensor after it hasbeen mounted in the conditioned space, see Fig. 22 and theinstallation instructions shipped with the sensor. For eachsensor, use 2-conductor 18 AWG twisted-pair cables(unshielded) to connect the separate isolated 24 vac powersource to the...
Page 36 - do not overtighten screws; Fig. 23 — Wall-Mounted Relative Humidity Sensor
36 RELATIVE HUMIDITY SENSOR (Field-Installed Acces-sory) — The relative humidity (RH) sensor is used to measurethe relative humidity of the air within the occupied space. Thesensor is ordered separately from the unit, is field-installed andshould be wired in the control compartment below the control...
Page 37 - Fig. 24 — Wiring of Relative Humidity Sensor to Control Board
37 J1POWER J4SERVICE CONNECTOR J3CCN 321 321 T26 T28 T30 T29 24Vdc COOLINGOUTPUT T31 T32 HEATINGOUTPUT T33 T34 MIXED AIRDAMPEROUTPUT T37 T38 T39 COOLINGENABLE NO NC COM NO NC COM K2 MED/LO FAN SPEED K3 HI/MED FAN SPEED K1 FAN ON/OFF NO NC COM CHANGE OVER SPARE LOW LIMIT T25 T24 T23 T22 COMMONGND FAN...
Page 38 - Carrier Comfort Network® Interface —; RED; Fig. 25 — Changeover Switch
38 CHANGEOVER SWITCH (Factory-Installed Option) —The changeover switch is used with 2-pipe changeover units todetermine if the temperature of the water in the water loop canprovide cooling or heating (Fig. 25). The switch provides thisinput to the control. The changeover switch is factory-wired toth...
Page 39 - Carrier Comfort Network; Fig. 27 — CCN Communication Wiring
39 Relays — The fan relays are an integral component of the control board. The fan motor speed control uses three SPDTrelays. The control relays are shown in Fig. 24. See the follow-ing sections for a description of how the control relay is usedwith each function.FAN RELAY — The fan relay (K 1 ) is ...
Page 40 - ERV; Energy Recovery Ventilator; HRV
40 2 4 5 1 6 3 FIELD-SUPPLIEDDAMPER HRV ORERV SEPARATE ISOLATEDPOWER SOURCE(24, 120, OR 240 VAC.) (RED) (BLK) 2 T34 J1 CONTROL BOARD TERMINAL (HN61KK324 RELAY SHOWN) LEGEND Fig. 30 — Two-Position Minimum Outdoor-Air Damper Relay ERV — Energy Recovery Ventilator HRV — Heat Recovery VentilatorField Wi...
Page 41 - DX System Design —; Example 1 — Single-Stage Single Condensing Unit; RELAY CONTACT RATINGS
41 Direct Expansion (DX) Cooling — The Unit Venti- lator Comfort Control module is designed to provide up to2 stages of capacity control for direct expansion (DX) coolingapplications. The control can be interfaced with condensingunits, unloader solenoid valve, hot gas bypass valves, and liq-uid line...
Page 42 - Table 16 — Heater Element Wiring
42 Electric Heat — Two control relays are factory-supplied, factory-installed and factory-wired to provide staging controlfor electric heater applications. They are used to operate theelectric heater elements in two stages. The relays are installedinside the electric heat control compartment. The he...
Page 43 - Valves; Table 17 — Water Valve Specifications; Forged Brass; Fig. 32 — Valve Mounting Angle for
43 Valves WATER VALVES — Water valve assemblies are shippedwith the unit for field installation. All factory-supplied valvesare fully modulating and capable of being positioned at anypoint within the travel range of the valve. Each valve isshipped complete with an actuator and any required linkage. ...
Page 44 - Table 18 — Factory-Supplied Water Valves; DX —; Fig. 34 — Water Valve Dimensions
44 The valve type is identified by the first digit of the two-digit control code number. In Table 18, the water valve type isshown for each unit depending on coil capacity. For pressure drops other than those tested, see Table 19. See Tables 20 and 21 for close-off pressure. Table 18 — Factory-Suppl...
Page 46 - OPERATION; FLOW; Fig. 35 — Valve Dimensions
46 SET-UP, CONFIGURATION, AND OPERATION The Unit Ventilator Comfort Control module (P/N 110500) is designed to be installed using the CCN Network ServiceTool, or a CCN Building Management system such as BuildingSupervisor, ComfortVIEW™ or ComfortWORKS® software.The control provides several comprehen...
Page 50 - does not
50 START-UP Start-up procedures vary depending on time of year (sum- mer or winter) and building characteristics (new building/oldbuilding, occupied/unoccupied, etc.). Start-up in the cooling mode requires proper care to avoid condensation problems. Condensation forms on surfaces thatare colder than...
Page 54 - Fig. 37 — 40UV,UH Ventilator Blower Section; to horizontal and vertical units.
54 2 3 4 1 6 5 FRONTBRACE PIPECHASE COIL SECTION BLOWER SECTION DAMPER SECTION COIL SECTION FILTER DOOR RETAINERCLIPS (SEE NOTE 3) COIL BAFFLE RETURN AIRTEMPERATURESENSOR (OPTIONAL)OPENING DISCHARGE AIRTEMPERATURESENSOR (OPTIONAL)OPENING MOTOR & COUPLINGSETCREW ACCESS MOTOR MOTORELECTRICALBOX Fi...
Page 56 - Fig. 39 — 40UV,UH Ventilator Coil Section; applies to horizontal and vertical units.
56 1 2 BLOWER SECTION DAMPER SECTION COIL SECTION FILTER DOORRETAINER CLIPS(SEE NOTE 3) DAMPER SECTION COIL SECTION MOTORELECTRICALBOX MOTOR MOTOR & COUPLINGSETSCREW ACCESS DISCHARGE AIRTEMPERATURE SENSOROPENING RETURN AIRTEMPERATURESENSOR OPENING FRONTCOILBAFFLE Fig. 39 — 40UV,UH Ventilator Coi...
Page 57 - Do not discard cooling shroud.
57 Ball Bearing Replacement (40UV,UH150; 40UH200 Units Only) — Refer to Fig. 40 for 40UH200 units only, Fig. 41 for 40UV150 and 40UH150 units with PSCmotors, Fig. 42 for 40UV150 and 40UH150 units with ECMmotors. To replace ball bearing: 1. Turn off all power to unit. 2. Remove front (40UV) or bottom...
Page 58 - Fig. 40 — 40UH200 Ventilator Blower Drive Train Assembly; Refer to Ball Bearing Replacement instructions.
58 (SEE NOTE 5) (SEE NOTE 4) UNIT BOTTOM LEFT SIDE VIEW (SEE NOTE 5) 2 3 4 5 6 7 8 9 10 11 12 13 14 1 Fig. 40 — 40UH200 Ventilator Blower Drive Train Assembly NOTES:1. Not all components shown for clarity.2. This drawing applies to 2000 cfm units only.3. Remove shaft, motor and coupling prior to rem...
Page 59 - Fig. 41 — 40UV,UH Ventilator Blower Drive Train Assembly —
59 2 3 4 5 6 1 11 12 10 9 SEE NOTE 2 8 7 (SEE NOTE 4) (SEE NOTE 3) UNIT FRONT (40UV)UNIT BOTTOM (40UH) Fig. 41 — 40UV,UH Ventilator Blower Drive Train Assembly — 40UV050-150 and 40UH075-150 Units (PSC Motor) NOTES:1. Not all components shown for clarity.2. Items no. 7, 16 and associated hardware not...
Page 60 - Fig. 42 — 40UV,UH Ventilator Blower Drive Train Assembly —
60 UNIT FRONT (40UV) UNIT BOTTOM (40UH) (SEE NOTE 4) 5 4 3 2 6 7 1 12 13 11 10 9 8 LEFT SIDE VIEW SEE NOTE 2 Fig. 42 — 40UV,UH Ventilator Blower Drive Train Assembly — 40UV050-150 and 40UH075-150 Units (ECM Motor) NOTES:1. Not all components shown for clarity.2. Items no. 7, 10 and associated hardwa...
Page 63 - Hold shaft from inside blower section
63 Sleeve Bearing Replacement (40UV050-125,40UH075-125 and 40UH200 Units Only) (Fig. 44) — Refer to Fig. 40 for 40UH200 units only, Fig. 41 for 40UV050-150 and 40UH075-125 units with PSCmotors, Fig. 42 for 40UV050-125 and 40UH075-150 unitswith ECM motors. To replace ball bearing: 1. Turn off all pow...
Page 64 - cable tie. Capillary tube lengths will vary depending on unit size.
64 3 2 1 8 7 6 5 4 DISCHARGE AIRTEMPERATURESENSOR (OPTIONAL)OPENING MOTOR ANDCOUPLINGSETSCREWACCESS RETURN AIRTEMPERATURESENSOR (OPTIONAL)OPENING MANUAL RESETHIGH TEMPERATURELIMIT SWITCH(SEE NOTES 2,3)(SEE CAUTION) AUTOMATIC RESETHIGH TEMPERATURELIMIT SWITCH(SEE NOTES 2,3)(SEE CAUTION) Fig. 44 — 40U...
Page 65 - Ensure that tag on each right front
65 Damper Section Removal and Reinstallation(Fig. 45) To remove damper section: 1. Turn off all power to unit. 2. Use 5 / 32 in. hex (Allen) tool or 3 / 8 in. nut driver to remove front (40UV) or bottom (40UH) panels and right endpanels. 3. Remove four carriage bolts and nuts securing kickplate to e...
Page 66 - Fig. 45 — 40UV,UH Ventilator Damper Section Removal/Installation
66 RETURN AIRTEMPERATURESENSOROPENING FRONTCOILBAFFLE DISCHARGE AIRTEMPERATURE SENSOROPENING MOTOR & COUPLINGSETSCREW ACCESS MOTOR MOTORELECTRICALBOX COIL SECTION DAMPER SECTION BLOWER SECTION DAMPER SECTION KICKPLATE Fig. 45 — 40UV,UH Ventilator Damper Section Removal/Installation NOTES:1. Unit...
Page 70 - Table 30 — Unit Diagnostics And Troubleshooting
70 Table 30 — Unit Diagnostics And Troubleshooting PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION Unit Does Not Operate Power to control is OFF Check local disconnect or circuit breaker. Remote Start/Stop (S/S) jumper not installed (forstand-alone operation only) Install jumper between T20 on control modu...
Page 71 - Table 30 — Unit Diagnostics and Troubleshooting (cont)
71 Table 30 — Unit Diagnostics and Troubleshooting (cont) LEGEND PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION Indoor Air Quality (IAQ)Features Malfunctioning IAQ not enabled Enable IAQ control operation. Set point too high/too low Adjust the set point to the correct value. Space or return air temperatur...
Carrier 58CTA09010016
User Manual