Home > WHITE RODGERS > WHITE-RODGERS 1F90-71 5-Day 2-Day Electronic Digital Thermostat Instruction Manual
WHITE-RODGERS 1F90-71 5-Day 2-Day Electronic Digital Thermostat Instruction Manual
TABLE 1. OLD THERMOSTAT IDENTIFICATION
REPLACEMENT INSTALLATION
OLD
OLD THERMOSTAT
THERMOSTAT
REMOVE OLD THERMOSTAT
TERMINAL IDENTIFICATION
TYPE
1. Shut off electricity at the main fuse box until installa-
tion is complete. Verify power is off with a voltmeter.
Type
4
RH
M
W
W
H
RC
RC
V
Y
Y
G
G
F
1
Type
2
2. Remove the front cover of the old thermostat. With
wires still attached, remove wall plate from the wall.
Type
3
3. If the old thermostat has a wall mounting plate,
removethethermostatandthewallmountingplateas
an assembly.
C
Type
4
R5
R
4
Y6
Y
G
G
4. FOR HEATING ONLY SYSTEMS — Disconnect the
two wires from the old thermostat. Skip steps 5
through7belowandproceedtoATTACHSUBBASE
TO WALL.
Type
5
W
TABLE 2. WIRE IDENTIFICATION LABELS
5. FOR HEATING/COOLING SYSTEMS — Before re-
moving wires from old thermostat, identify the termi-
nals that have wires attached on the old thermostat.
ThenuseTable1toidentifythetypeofthermostatyou
are replacing. For example, if the old thermostat has
wires attached to terminals R, W, Y, and G, the old
thermostat is a type 5 (note that the old thermostat
may not have wires attached to all the terminals
identified in Table 1).
Type New Old New Old New Old New Old New Old
1
RH
4
W
W
RC RC
Y
Y
G
G
Type New Old New Old New Old New Old New Old
RH RH RC RC
2
W
W
Y
Y
G
G
Type New Old New Old New Old New Old New Old
RH RC
3
M
W
H
V
Y
C
G
F
6. Use the self-adhesive labels enclosed with your
new thermostat to identify the wires attached to
the old thermostat. The labels correspond to the
thermostattypenumberyouidentifiedinstep5above
(seeTable2). Forexample, ifyoudeterminedthatthe
old thermostat is a type 5, use the labels for the type
5 thermostat (you may not use all the labels for the
type number you’ve identified if the old thermostat did
not have wires attached to all the terminals).
Type New Old New Old
RH R5
New Old New Old
Y6
4
W
4
Y
G
G
Type New Old New Old
RH
New Old New Old
5
R
W
W
Y
Y
G
G
7. Label each wire as you disconnect it. The labels have
both the old terminal markings and the new terminal
identification. Discard any unused labels. PULL AT
LEAST SIX INCHES OF WIRE OUT OF THE WALL
WHEN YOU DISCONNECT IT - DO NOT ALLOW
THE WIRES TO FALL BACK INTO THE WALL.
PULL STRAIGHT OUT
ATTACH SUBBASE TO WALL
Figure 2. Removing thermostat from subbase
1. Remove the packing material from the thermostat.
Place the fingers of one hand on the center top and
bottom portion of the thermostat. Grasp the subbase
in the other hand on the top and bottom center, and
gentlypullstraightout(seefig. 2). Thethermostathas
pin and socket connectors. Forcing or prying on the
thermostat will cause damage to the unit.
Screw
anchors
Connect wires under
terminal screws
Activity
light
Mounting
hole
6
W
RC
G
6-pin connector
MV
Mounting
hole
2. Pull wires through opening in the center of the sub-
base. DO NOT LET WIRES FALL BACK INTO
WALL.
Y
RH
3-pin connector
3. Connect wires beneath terminal screws on sub-
base using appropriate wiring schematic (see figs.
3 through 11).
Pull wires through
this opening
(Installation instructions continue on page 5.)
Figure 3. Subbase
3
| General | Details |
|---|---|
| Name | WHITE-RODGERS 1F90-71 5-Day 2-Day Electronic Digital Thermostat Instruction Manual |
| Make | WHITE RODGERS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.13 MB |
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