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White Rodgers 1F78 User Manual

White rodgers air conditioner user manual.
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CONTENTS
Installation Instructions for
Preparations .................................................. 1
Thermostat Details ........................................ 1
Removing Old Thermostat ............................ 1
Heating & Air Conditioning
Mounting and Wiring ..................................... 2
Check Thermostat Operation ........................ 3
1F78
Specifications ................................................ 5
Troubleshooting ............................................ 5
Non-Programmable Thermostat
YOUR THERMOSTAT REPLACES
1
PREPARATIONS
Typical System Compatibility Chart
1F78
Assemble tools required as shown below.
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
FLAT BLADE SCREWDRIVER
Heat/Cool Systems Electric Heat (24 volt)
Yes
Heat Only Electric Heat Systems (24 volt)
Yes
HAND OR POWER
Cool Only Systems (24 volt)
Yes
DRILL WITH 3/16 INCH
Heat Pump Systems (No Aux or Emergency Heat)
Yes
DRILL BIT, IF NEEDED
Hot Water Zone Heat Only (Two Wire) Systems
Yes
WIRE CUTTER/STRIPPER
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
Failure to follow and read all instructions carefully
Multistage Systems
No
before installing or operating this control could cause
Systems Exceding 30VAC, 1.5 Amp
No
personal injury and/or property damage
2
THERMOSTAT DETAILS
3
REMOVING OLD THERMOSTAT
CAUTION
!
Mounting
hole
To prevent electrical shock and/or equipment damage,
-
+
-
+
disconnect electrical power to the system at the main
fuse or circuit breaker until installation is complete.
Before removing wires from old thermostat's switching subbase,
label each wire with the terminal designation it was removed from.
W
RH
B
RC
1. Remove Old Thermostat: A standard heat/cool thermostat
consists of three basic parts:
a. The cover, which may be either a snap-on or hinge type.
G
O
Y
Mounting
b. The base, which is removed by loosening all captive screws.
hole
W904
W905
c. The switching subbase, which is removed by unscrewing
W905
Clip for
the mounting screws that hold it on the wall or adaptor plate.
Hydronic
System
ELEC
GAS
2. Shut off electricity at the main fuse box until installation is
complete. Ensure that electrical power is disconnected.
3. Remove the front cover of the old thermostat. With wires still
W904
Electric/Gas
Clip for
Switch
attached, remove wall plate from the wall. If the old thermostat
Celsius Display
has a wall mounting plate, remove the thermostat and the wall
mounting plate as an assembly.
Figure 1. Thermostat base
4. Identify each wire attached to the old thermostat using the
labels enclosed with the new thermostat.
5. Disconnect the wires from the old thermostat one at a time. DO
NOT LET WIRES FALL BACK INTO THE WALL.
6. Install new thermostat using the following procedures.
White-Rodgers is a division
PART NO. 37-6615A
of Emerson Electric Co.
0435
www.white-rodgers.com

   Related Manuals for White Rodgers 1F78

   Summary of Contents for White Rodgers 1F78

  • Page 1: Removing Old Thermostat

    Installation Instructions for Heating & Air Conditioning 1F78 Non-Programmable Thermostat YOUR THERMOSTAT REPLACES Typical System Compatibility Chart Standard Heat Only Two Wire Gas or Oil Fired Systems (24 volt) Electronic Ignition Heat Only Two Wire Systems (24 volt) Electronic Ignition Heat Only Gas or Oil Fired Systems (24 volt)

  • Page 2: Mounting And Wiring

    REMOVING OLD THERMOSTAT CONTINUED FROM FIRST PAGE ATTENTION! This product does not contain mercury. How- ever, this product may replace a unit which contains mercury. Do not open mercury cells. If a cell becomes damaged, do not touch any spilled mercury. Wearing non-absorbent gloves, take up the spilled mercury and place into a container which can be sealed.

  • Page 3: Check Thermostat Operation, Fan Operation, Heating System, Cooling System

    MOUNTING AND WIRING CONTINUED FROM SECOND PAGE Heating Relay System NOTE For 2-wire Heat only, attach to RH and W Figure 2. Typical wiring diagram for heat only, 3-wire, single transformer systems Cooling System Relay Figure 3. Typical wiring diagram for cool only, 3-wire, single transformer systems NOTE RED jumper wire (provided with thermostat) must be...

  • Page 4

    CHECK THERMOSTAT OPERATION CONTINUED FROM THIRD PAGE Before you begin using your thermostat, you should be familiar with its features and with the display and the location and operation of the thermostat buttons. Your thermostat consists of two parts: the thermostat cover and the base. To remove the cover, gently pull it straight out from the base.

  • Page 5: Specifications, Troubleshooting

    SPECIFICATIONS ELECTRICAL DATA Electrical Rating: 0 to 30 VAC 50/60 Hz. or D.C. 0.05 to 1.0 Amps (Load per terminal) 1.5 Amps Maximum Total Load (All terminals combined) TROUBLESHOOTING Reset Operation If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation you can reset the thermo- stat by pressing at the same time while moving...

  • Page 6

    TROUBLESHOOTING CONTINUED FROM FIFTH PAGE Symptom Heat, Cool or Fan Runs Constantly. Furnace Cycles Too Fast or Too Slow (narrow or wide temperature swing) Cooling Cycles Too Fast or Too Slow (narrow or wide temperature swing) Thermostat Setting and Thermostat Thermometer Disagree Blank Display and/or Keypad Not Responding...

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Latest comments:
  • Richard Craig Jul 03, 2015 06:16:
    Our New thermostat is in a very dark area of our home, I can not read it with out a flashlight​, is there some type back light that I can turn on

    Thanks
  • Richard Jul 03, 2015 06:23:
    we just last week had a total new system installed, & along with every thing else came a New White Rogers Thermostat Model # 1F 78 >< Its in a very dark area of our Home, I can Not read it with out a flashlight​,>< is there Not some kind of Back Light to the system?
  • Patty May 20, 2015 11:33:
    Help my temperatur​e reads 78 and thermostat is set at 73. The unit is set on cool.
  • Patty May 20, 2015 11:33:
    Help my temperatur​e reads 78 and thermostat is set at 73. The unit is set on cool.
  • Flakes Apr 08, 2015 11:42:
    My room temperatur​e is stuck at 72 and the adjusting temperatur​e keeps going back to 85