White Rodgers 1F98EZ-1421 Easy Installation
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White Rodgers 1F98EZ-1421 Easy Installation

White Rodgers 1F98EZ-1421 Easy Installation

For up to 4 stages heat and 2 stages cool
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FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE
INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL
INJURY AND/OR PROPERTY DAMAGE.
APPLICATIONS
Configuration
Applications
Options
Heat Pump
Single or Two Compressor Systems
with up to 2 Stages of Fossil fuel
with Dual Fuel
Heat

SPECIFICATIONS

Electrical Rating:
Input-Hardwire ................................................... 20 to 30 VAC
Terminal Load ........................................................... 1.0A per terminal, 2.5A maximum all terminals combined
Setpoint Range ......................................................... 45° to 99°F (7° to 37°C)
Differential (Single Stage) ......................................... Heat 0.6°F; Cool 1.2°F
Differential (Multi-Stage) ........................................... Heat 0.6°F; Cool 1.2°F
Differential (Heat Pump) ........................................... Heat 1.2°F; Cool 1.5°F
Operating Ambient .................................................... 32°F to +105°F (0° to +41°C)
Operating Humidity ................................................... 90% non-condensing max.
Shipping Temperature Range ................................... -40° to +150°F (-40° to +65°C)
Dimensions Interface ................................................ 4-1/2"H x 6"W x 1-1/4"D
Dimensions Control .................................................. 5-1/2"H x 5-3/4"W x 1-1/2"D
CAUTION
!
To prevent electrical shock and/or equipment damage,
disconnect electric power to system at main fuse or
circuit breaker box until installation is complete.
Index
Installation
1F98EZ-1421, -1441 Easy Install
For up to 4 Stages Heat and 2 Stages Cool
INSTALLATION INSTRUCTIONS
Maximum
Stages
1/1
2/2
4/2
4/2
12" Touchscreen User Interface
ATTENTION: MERCURY NOTICE
This product does not contain mercury. However, this
product may replace a product that contains mercury.
Mercury and products containing mercury must not be
discarded in household trash. Do not touch any spilled
mercury. Wearing non-absorbent gloves, clean up any
Page
spilled mercury and place in a sealed container. For proper
2
disposal of a product containing mercury or a sealed
container of spilled mercury, place it in a suitable shipping
2
container. Refer to www.white-rodgers.com for location to
3
send product containing mercury.
5
8
www.white-rodgers.com
www.emersonclimate.com
1F98EZ-1421, -1441 System
Equipment Control
1F98-1491
40C01-1400
PART NO. 37-7215C
Replaces 37-7215B
1110
1

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Summary of Contents for White Rodgers 1F98EZ-1421

  • Page 1: Table Of Contents

    Index Installation Wiring Connections Wiring Diagrams Installer Configuration Menu Troubleshooting 1F98EZ-1421, -1441 Easy Install For up to 4 Stages Heat and 2 Stages Cool INSTALLATION INSTRUCTIONS 1F98EZ-1421, -1441 System Maximum Stages 12” Touchscreen User Interface...

  • Page 2: Multi Stage Gas, Oil, Electric, Heat Only, Cool Only Or Heat Cool Systems

    INSTALLATION WARNING Thermostat installation and all components of the control system shall conform to Class II circuits per the NEC code. Control 40C01-1400 Control can be mounted on wall or equipment. Control has four mounting holes. Wall anchors and screws are provided for mounting on drywall.

  • Page 3: Wiring Diagrams

    WIRING DIAGRAMS Fig. 2 - Typical Connection of a Single Stage or Multi-Stage System SYSTEM Single 24 VAC 24 VAC 24 VAC Power Power Power Stage for Heating for Cooling Multi 24 VAC 24 VAC 24 VAC Power Power Power Stage *Factory installed jumper between RH and RC Fig.

  • Page 4: Heat Pump Single Or Two Compressor Systems With Up To 2 Stages Of Aux / Em Heat

    WIRING DIAGRAMS Wiring Guide for Equipment Accessories Fig. 5 - Non-Powered Humidifier. HM terminal provides system 24 V on call for humidification Transformer Fig. 6 - Powered Humidifier. With HM DRY switch in HM2 position, HM and HM2 provide normally open dry contact for low voltage (24 V) powered humidifier connection.

  • Page 5: Installer Configuration Menu

    INSTALLER/CONFIGURATION MENU Entering and Navigating the Advanced Installer Configuration Menu On the Home Screen Display, touch the Menu key to display additional key choices. Touch and hold the Installer Config key for approximately 3 seconds to enter the Thermostat Options Configuration Menu. Touch and hold the Installer Config key again for approximately 3 seconds to enter the Advanced Installer Configuration Menu.
  • Page 6 INSTALLER/CONFIGURATION MENU Configuration Control can be configured at the equipment by utilizing the configuration plug in tool (F4-1400). The tool mounts to the back of the interface and plugs into the bottom of the control via the RJ-11 connection. (Note: You cannot have two interfaces connected to the control at the same time).
  • Page 7 INSTALLER/CONFIGURATION MENU LED Indicator legend: = Amber = Green LED’s will be on constant to show configuration. LED’s will flash to indicate the terminal output is active. No. of Stages – Outdoor System Equipment Type Type Conventional Heat Pump Dual Fuel AC Cool No Outdoor Unit...

  • Page 8: Troubleshooting

    TROUBLESHOOTING Reset Operation If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation, you can reset the system by removing batteries for 2 minutes. After resetting the system, replace the batteries. If the system has been reset and still does not function correctly perform a power reset.

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1f98ez-1441

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