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Carrier ZONECC3Z manual

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Table of contents for the manual

  • Page 1

    ZONECC3Z(AC/HP)01 Installation and Start-Up Instructions TABLE OF CONTENTS Page SAFETY CONSIDERATIONS ...................................................1 INSTALLATION CONSIDERATIONS ....................................1 INTRODUCTION ........................................................................1 INSTALLATION .............................[...]

  • Page 2

    Step 2—Component Location and Wiring Considerations ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death. Turn off unit before routing routing control wiring or any service operation. Remember, there may be more than one power supply to unit. All wiring must comply with national, local, and state codes. [...]

  • Page 3

    need not be perfect because there will be positive pressure inside the cover. Do not mount the dampers with their actuators hanging directly beneath the ductwork. It is best to mount the actuator facing in either the three or nine o’clock position. For specific duct types, follow instructions below: ROUND METAL DUCT WORK 1. Crimp end of branch du[...]

  • Page 4

    Step 5—Install Barometric Bypass Damper NOTE: The barometric bypass damper is a critical part of Carrier 3-Zone System for controlling noise at minimum airflow. A barometric bypass should be installed unless the duct work and indoor unit have been sized for use without a bypass. The bypass should be installed according to local codes and SMACNA s[...]

  • Page 5

    Connect the equipment R to both Rz and either Rh or Rc. A jumper will be needed. Rc and Rh are internally connected but may be separated by breaking a twist-off (see step 4 below). Step 3—Wire Dampers Each damper has three connections: Close, Open, and Common. Find the connection points along the lower left side of the 3-Zone Control. Suggested c[...]

  • Page 6

    UNDERSTANDING SYSTEM OPERATION (READ BEFORE STARTING SYSTEM) Mode and Damper Positions The thermostats determine the system heating or cooling mode. The first call in any zone sets the mode to satisfy that call. It will remain in that mode until all calls in that mode are satisfied and the equipment has been off for the time set by the auto changeo[...]

  • Page 7

    Using Limit Level Indicator The final setting of the bypass for best performance has always been something of a black art. The 3-Zone System has a new feature to simplify this adjustment. While the system is operating, these limit level numbers, if greater than zero, are flashed on the status LED. Once the proper LAT limit choice is made based on e[...]

  • Page 8

    not bring on G with W. Default is OFF. Dipswitch 7 and 8 - Sets LAT limit temperature. See LAT Limit Selection for proper setting. Default is OFF = 145° limit. The following dipswitches are on the HP/2S control only: Dipswitch 9 - Informs the control whether it is connected to a heat pump or an air conditioner. OFF selects HP. ON selects AC. Defau[...]

  • Page 9

    A C 3-ZONE CONTROL ZONE 1 INPUT ZONE 1 A C T S TAT EQIUPMENT POWER FURNACE OR F AN COIL AIR CONDITIONER COOL HEA T FA N RR C Y/Y2 G C Y1 G W1 Rc Y1 G W1 Rh R C Y G W Rz C C Y Fig. 10 — AC 3-Zone Control, AC STAT, 1-Stg. AC with 1-Stg. Heat A04196 HP/2S 3-ZONE CONTROL ZONE 1 INPUT ZONE 1 A C T S TAT EQIUPMENT POWER FURNACE OR F AN COIL AIR CONDITI[...]

  • Page 10

    H P/2S 3-ZONE CONTROL ZONE 1 INPUT ZONE 1 A C T S TAT EQIUPMENT POWER F AN COIL HEA T PUMP COOL HP HEA T FA N R C Y/Y2 G Rz C A UX HEA T R C Y1 G W1 Y2 W2 O SWITCH 9=OFF SWITCH 10=ON Rh Y1 G W1 Y2 W2 O R C Y G C Y Rc O O W2 R W Fig. 13 — HP/2S 3-Zone Control, AC Stat, 1-Stg. HP with 1-Stg. Aux. Heat A04199 H P/2S 3-ZONE CONTROL ZONE 1 INPUT ZONE [...]

  • Page 11

    11[...]

  • Page 12

    SER VICE TRAINING P ackaged Service T raining programs are an e xcellent w ay to increase y our knowledge of the equipment discussed in this man ual, including: • Unit F amiliar ization • Maintenance • Installation Ov er view • Oper ating Sequence A large selection of product, theor y , and skills programs is a vailab le, using popular vide[...]