Carrier 35E Installation And Start-Up Instructions Manual
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Carrier 35E Installation And Start-Up Instructions Manual

Single-duct terminal units variable volume system
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Installation and Start-Up Instructions
CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1
PRE-INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
CONTROL ARRANGEMENTS. . . . . . . . . . . . . . . . . . . .3,4
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Step 1 - Install Volume Control Box . . . . . . . . . . . . . 4
Step 2 - Make Duct Connections . . . . . . . . . . . . . . . . 4
Wiring Connections - Electronic Analog
or DDC (Direct Digital Controls) . . . . . . . . . . . . . . . . 4
CONTROL SET-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Set Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Maximum Airflow Set Points . . . . . . . . . . . . . . . . . . . 7
Flow Probe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
PNEUMATIC CONTROLS . . . . . . . . . . . . . . . . . . . . . . .7-11
Sequences 1102 and 1103) . . . . . . . . . . . . . . . . . . . . . 7
(Control Sequences 1102 and 1103) . . . . . . . . . . . . 9
CLOSED DAMPER (Control Sequence 1103)
(Control Sequences 1104-1110) . . . . . . . . . . . . . . . 10
Preventative Maintenance . . . . . . . . . . . . . . . . . . . . . . . 10
Pneumatic Control Troubleshooting. . . . . . . . . . . . . 10
ANALOG CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . 11-13
(Control Sequences 2100-2105) . . . . . . . . . . . . . . . 11
Analog Control Troubleshooting . . . . . . . . . . . . . . . . 13
ComfortID™ CONTROLS . . . . . . . . . . . . . . . . . . . . . 13-21
Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
• GENERAL
INSTALLATION
AND WIRING
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 533-530
Book 3
Tab
6a
35E Single-Duct Terminal Units
INSTALLATION
Page
Connect the CCN Communication Bus . . . . . . . . . . 19
Water Valve Installation . . . . . . . . . . . . . . . . . . . . . . . . . 19
ComfortID Start-Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
• GENERAL
CCN System Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
VVT® CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-23
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
• RELAY PACKAGE
• ADDITIONAL SENSOR INFORMATION
• THERMOSTATS
Thermostat Placement . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Wiring Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
• CCN COMMUNICATIONS
Wiring Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
VVT Configuration/Testing . . . . . . . . . . . . . . . . . . . . . . 23
Control Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
• GENERAL
service when operated within design specifications. The
equipment should be operated and serviced only by autho-
rized personnel who have a thorough knowledge of sys-
tem operation, safety devices and emergency procedures.
manufacturer's instructions to avoid injury to personnel
or damage to equipment and property.
Disconnect all power to the unit before performing mainte-
nance or service. Unit may automatically start if power is
not disconnected. Electrical shock and personal injury
could result.
If it is necessary to remove and dispose of mercury contac-
tors in electric heat section, follow all local, state, and fed-
eral laws regarding disposal of equipment containing
hazardous materials.
Printed in U.S.A.
Form 35E-2SI
Variable Volume System

SAFETY CONSIDERATIONS

SAFETY NOTE
Air-handling equipment will provide safe and reliable
Good judgement should be used in applying any
Pg 1
3-06
Replaces: 35E-1SI

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  • Page 1: Table Of Contents

    35E Single-Duct Terminal Units Variable Volume System Installation and Start-Up Instructions CONTENTS • HUMIDITY SENSOR (Wall-Mounted) INSTALLATION Page Connect the CCN Communication Bus ..19 SAFETY CONSIDERATIONS ..... . 1 •...

  • Page 2: Pre-Installation

    Warranty — All Carrier-furnished items carry the standard Carrier warranty. General — The 35E is a single duct, variable volume termi- No periodic preventative maintenance required, unless nal available with factory-installed pneumatic, analog electron- called for specific control sequence. ®...

  • Page 3: Control Arrangements

    CONTROL ARRANGEMENTS CCN Thermostats (Ordered Separately) Thermostat: 33ZCT56SPT: RT (room temperature) sensor, The 35E single-duct unit is offered with a wide variety of with set point adjust and override. factory-mounted controls that regulate the volume of air deliv- Thermostat: 33ZCT55SPT: RT (room temperature) sensor, ery from the unit and respond to cooling and heating load re- with override only.

  • Page 4: Installation

    0000: 35E box only electric heater REQUIRE 4-wire, wye connected power. units with 208/230 v, 3-phase heater can be connected with D000: 35E box with control box only (For units without 3-wire power. electric heat requiring a 24 v control transformer: the control...
  • Page 5 Electric Code. Max kW shown assumes 55 F entering air and is limited by unit’s selected Table 3A — 35E Heater Power Wiring and Table 3B — 35E Heater Power Wiring and Fuse Sizing (Single Phase, 60 Hz)
  • Page 6 LEGEND AFS — Airflow Switch DDC — Direct Digital Controls NOTE: Drawing is typical of 480V, 3-phase, 4-wire heater and control. Refer to actual unit wiring diagram. Fig. 5 — Typical Power Connections for 35E Units with 3-Stage Electric Heat...

  • Page 7: Control Setup

    It can be determined 1.0 in. wg. The high pressure signal is delivered from the from this table that the average design air velocity for 35E units front sensor tap (away from the valve), and the low pres- is equal to 2656 fpm at 1.0 in.
  • Page 8 AIR TERMINAL PERFORMANCE SHEET JOB NAME ______________________________________________ JOB LOCATION __________________________________________ CUSTOMER _____________________________________________ ENGINEER ______________________________________________ BUILDING LOCATION/FLOOR ______________________________ BUS NUMBER ___________________________________________ CONTROL SET POINTS Cooling Heating Calibration Heat Occupied Unoccupied Zone Reheat (cfm) (cfm) Gain Size Number Address # (in./cfm) Type mult.

  • Page 9: Balancing Procedure (Control Sequences 1102 And 1103)

    Table 4 — Pneumatic Volume Controller Identification FUNCTION CONTROL KREUTER ARRANGEMENT FIG. NO. SEQUENCE PART NO. IDENTIFICATION 1102 DA-NO CSC-2003 1103 RA-NC CSC-2004 1104 DA-NO CSC-3011 1105 DA-NC CSC-3011 1106 RA-NO CSC-3011 1107 RA-NC CSC-3011 1108 DUAL MAX CSC-3011 1109 HTG/CLG MAX (2) CSC-3011 1110...

  • Page 10: Balancing Procedure (Control Sequences 1104-1110)

    c. Adjust the minimum volume control knob • For DA Cooling or RA Heating (see Fig. 12): Adjust HI STAT ∆P to the desired maximum airflow with (marked “LO” and located at the side of the con- troller) until the desired pressure differential is 20 psig (or a pressure greater than the reset stop point) at port “T.”...

  • Page 11: Analog Controls

    b. Small flat blade ( in.) screwdriver TO THERMOSTAT BRANCH SIGNAL (RESET SIGNAL) c. Digital voltmeter capable of displaying a 0 to RESET START POINT ADJUSTMENT (FACTORY SET AT 8 PSI) 10 vdc range which will display in hundredths of * TO STATIC PRESSURE TO TOTAL PRESSURE *(DIFFERENCE IS: DIFFERENTIAL...
  • Page 12 VOLTS 0.8 1 DIFFERENTIAL PRESSURE Fig. 14 — Calibration Curve 35E CONTROL SEQUENCE 2101 (Cooling Only) NOTE: The minimum set point must be adjusted first. Adjust- ment of the MIN INCR potentiometer directly affects the max- 1. Be certain the ambient room temperature is within the imum set point and auxiliary set point.

  • Page 13: Analog Control Troubleshooting

    The same concepts can be applied to other configurations. If the 35E unit is equipped with electric heat, only power to the electric heater must be supplied; no additional power CONTROLLER source is required for the control. If the unit does not have an 1.

  • Page 14: Supply-Air Temperature Sensor

    The wall plate accommodates both the NEMA (National connector can then be used to connect a network service tool Electrical Manufacturing Association) standard and the Euro- with the Carrier Comfort Network® system. pean DIN standard. The use of a junction box to accommo- Before installing the space temperature sensor, decide date the wiring is recommended for installation.
  • Page 15 3’ (MIN) 5’ RED(+) WHT(GND) CCN COM BLK(-) 2/3 OF WALL HEIGHT Fig. 16 — Typical Space Temperature Sensor Room Location BLK (GND) SENSOR WIRING RED (SPT) Fig. 19 — Space Temperature Sensor Wiring (33ZCT55SPT) Warm Cool Fig. 17 — Space Temperature Sensor (P/N 33ZCT56SPT Shown) RED(+) WHT(GND)

  • Page 16: Wiring The Space Temperature Sensor And Set Point Adjustment Slidebar

    Install and wire the space temperature sensor as follows: c. For T56 sensors, connect the remaining wire (WHITE/CLR) to the T56 terminal on the control- NOTE: Space temperature sensor will be identified as T55 or ler. Connect the other end of the wire to the right T56.

  • Page 17: Primary Air Temperature Sensor Installation

    Do NOT clean or touch the sensing element with chemical solvents; they can permanently damage the sensor. Fig. 24 — Ventilation Rates Based on The sensor must be mounted vertically on the wall. The Set Point Carrier logo should be oriented correctly when the sensor is properly mounted.
  • Page 18 H F 2 3 B J 0 4 2 M a d e i n S w i t z e r l a n d b y B e l i m o A u t o m a t i o n 35 in-lb (4 Nm) 80...110s L R 9 2 8 0 0...

  • Page 19: Connect The Ccn Communication Bus

    The first zone controller in a network connects directly to Water valves are field supplied. Carrier offers two different the bridge and the others are wired sequentially in a daisy chain hot water valve applications: on/off and floating point modulat- fashion.

  • Page 20: Ccn System Start-Up

    11. Carrier requires the use of the B&B485CARLP9A Port Powered RS232 to RS485 Converter for proper operation. 9. Check that each heating coil is fully operational and that proper airflow is maintained during heating.

  • Page 21: Vvt® Controls

    1 inches. See Fig. 29. If the 35E unit is equipped with electric heat, only power to NOTE: A 2-in. x 4-in. electric box mounted horizontally the electric heater must be supplied. If the unit does not have an may be used instead of cutting the hole.

  • Page 22: Thermostat To Terminal Control Box

    WITH COVER COVER REMOVED ACTUATOR 3 PIN TEMPERATURE (2) 5/16-18 COVER SENSOR CONNECTOR SET SCREWS 5 PIN T-STAT 10 PIN ANALOG CONNECTOR CONNECTION COVER SCREW COVER (HIDDEN) THRU HOLE SCREW FOR TEMP. SENSOR ACTUATOR SHIPPED AT CLOSED POSITON 8 PIN RELAY CONNECTOR GROMMET (2) 3 PIN POWER...

  • Page 23: Vvt Configuration/Testing

    Carrier Comfort Network® system Variable Volume and Temperature (VVT) Product Data literature and the configura- tion instructions provided with the thermostat. Refer to the specific control sequence (35E-82XX) for de- tailed operational information. This information should be used to test and commission the control.
  • Page 24 Copyright 2006 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 3 Catalog No. 533-530 Printed in U.S.A. Form 35E-2SI Pg 24 3-06 Replaces: 35E-1SI...

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