White Rodgers 1F78 Manual

White Rodgers 1F78 5/2 Day Programmable Thermostat Manual

White Rodgers 1F78 Table of CONTENTS

Preparations.......................................... 1
Thermostat Details................................. 1
Removing Old Thermostat....................... 1
Mounting and Wiring............................... 2
Check Thermostat Operation................... 3
Programming your Thermostat................. 4
Specifications........................................ 6
Troubleshooting...................................... 6

YOUR THERMOSTAT REPLACES

No

Typical System Compatibility Chart

1E78

Standard Heat Only Two Wire Gas or Oil Fired Systems (24 volt)

Yes

Electronic Ignition Heat Only Two Wire Systems (24 volt)

Yes

Electronic Ignition Heat Only Gas or Oil Fired Systems (24 volt)

Yes

Standard Heat/Cool Systems (24 volt)

Yes

Heat/Cool Systems Electric Heat (24 volt)

Yes

Heat Only Electric Heat Systems (24 volt)

Yes

Cool Only Systems (24 volt)

Yes

Heat Pump Systems (No Aux. or Emergency Heat)

Yes

Hot Water Zone Heat Only (Two Wire) Systems

Yes

Hot Water Zone Heat Only (Three Wire) Systems

No

Line Voltage Heating or Baseboard 110/240 Volt Systems

No

Millivolt Systems Floor or Wall Furnaces

Yes

12 VDC Mobile Home Application

Yes

Multistage Systems

Systems Exceeding 30VAC, 1.5 Amp

No

White Rodgers 1F78 THERMOSTAT DETAILS

White Rodgers 1F78 THERMOSTAT DETAILS

NOTE: Earlier models refer to 37-7006 for jumper locations.

White Rodgers 1F78 MOUNTING AND WIRING

Electric Heat or Single-Stage Heat Pump Systems

This thermostat is configured from the factory to operate a heat/ cool, fossil fuel (gas, oil, etc.), forced air system. It is configured correctly for any system that DOES NOT require the thermostat to energize the fan on a call for heat. If your system is an electric or heat-pump system that REQUIRES the thermostat to turn on the fan on a call for heat, locate the GAS/ELECTRIC switch (see fig. 1) and switch it to the ELECTRIC position. This will allow the thermostat to energize the fan immediately on a call for heat. If you are unsure if the heating/cooling system requires the thermostat to control the fan, contact a qualified heating and air conditioning service person.

Hydronic (Hot Water or Steam) Heating Systems

This thermostat is set to operate properly with a forced-air heating system. If you have a hydronic heating system (a system that heats with hot water or steam), you must set the thermostat to operate properly with your system. The factory default setting is forced air heat. Clipping jumper W905 on the circuit board will produce a longer heating cycle which is normally for hot water or steam (hydronic) systems. Both settings produce a very accurate temperature control and can be set to your personal preference. As received, the thermostat cycles the system just under 1°F. With W905 clipped, the system cycles at approximately 1.5°F.

TERMINAL CROSS REFERENCE CHART

TERMINAL CROSS REFERENCE CHART

Energy Management Recovery (EMR)

This thermostat is set to operate with EMR. This causes the thermostat to start the heating or cooling system early to have the room temperature reach the program setpoint at the time the period is to start. To disable EMR, clip jumper W903 (see Fig. 1).

Attach Thermostat Base to Wall

  1. Remove the packing material from the thermostat. Gently pull the cover straight off the base. Forcing or prying on the thermostat will cause damage to the unit. If necessary, move the electric heat switch (see ELECTRIC HEAT SYSTEMS, above).
  2. Connect wires beneath terminal screws on base using appropriate wiring schematic (see figs. 2 through 7).
  3. Place base over hole in wall and mark mounting hole locations on wall using base as a template.
  4. Move base out of the way. Drill mounting holes.
  5. Fasten base loosely to wall, as shown in fig. 1, using two mounting screws. Adjust until level, and then tighten screws. (Leveling is for appearance only and will not affect thermostat operation.) If you are using existing mounting holes, or if holes drilled are too large and do not allow you to tighten base snugly, use plastic screw anchors to secure subbase.
  6. Push excess wire into wall and plug hole with a fire-resistant material (such as fiberglass insulation) to prevent drafts from affecting thermostat operation.

Battery Location

This thermostat requires 2 “AAA” alkaline batteries to operate. If is displayed, the batteries are low and should be replaced. For best results, replace batteries once a year with new premium brand alkaline batteries such as Duracell® or Energizer®. To replace the batteries, install the batteries along the top of the base (see fig. 1). The batteries must be installed with the positive (+) ends to the right.

White Rodgers 1F78 WIRING Diagram

White Rodgers 1F78 WIRING Diagram

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Title : White Rodgers 1F78 Manual
Format : PDF
Pages : 16 Pages
Language : English
File Size : 4 MB

 

White Rodgers 1F78 Manual