Robertshaw 9500 User Manual
IMPORTANT SAFETY INFORMATION
WARNING:
• Always turn off power at the main power source by unscrewing
fuse or switching circuit breaker to the off position before installing,
removing, cleaning or servicing thermostat.
• Read all of the information in this manual before installing or programming this thermostat
•This is a 24V AC low-voltage thermostat. Do not install on voltages
higher than 30V AC.
• All wiring must conform to local and national building and electrical
codes and ordinances.
• Do not short (jumper) across terminals on the gas valve or at the
system control to test installation. This will damage the thermostat
and void the warranty.
1 2 3 4 5 6
COOL OFF HEAT AUTO - ON
>
>
COOL OFF HEAT
AUTO - ON
1 Heat / 1 Cool
W
A
R
R
A
N
T
Y
INTEGRATED COMFORT SOLUTIONS
™
DIGITAL
NON-PROGRAMMABLE
THERMOSTAT
9500
User’s Manual
Quick Start
Installation and
Programming
110-734
®
ELECTRIC
E
GAS
G
110-734B
Features
• Single Stage heat pump compatible
•Zone system compatible as a master thermostat
• Low battery indicator.
• Fahrenheit/Celsius display option.
• Adjustable from 45(F (4°C) to 90°F (32(C).
• Accuracy within ± 1 degree.
•Adjustable temperature differential: .5 – 1.5 degree.
• Low temperature freeze protection. While in heat mode, thermostat
will mechanically turn on heat if temperature drops to 40°F (4°C) even if batteries are missing or drained.
• Automatic heating shutdown if temperature exceeds 90°F (32°C).
Replacing Existing Thermostat
1. Turn off power to heating and cooling system.
2. Remove cover of old thermostat to expose wires.
Do not disconnect wires. (Fig. 1)
3. Label wires per Table 1.
Table 1
Old Label New Label Description
M, 4, RH, R5 or R RH Heat Transformer,
hot side
V or RC RC Cooling Transformer,
hot side
Y or Y6 Y Cooling control
H, W or 4 W Heating control
F or G G Fan control relay
C* Y or None Either cooling control
or common side
of transformer
OOCool Active Reversing
Valve
BBHeat Active Reversing
Valve
*NOTE: ON SOME OLDER MODELS, THE C TERMINAL CAN BE EITHER THE COOLING CONTROL OR THE
COMMON SIDE OF THE TRANSFORMER
. CHECK FURNACE WIRING DIAGRAM TO VERIFY C TERMINAL. IFIT
IS THE COMMON SIDE OF THE TRANSFORMER
, CAP THE WIRE AND TUCK INTO THE WALL. IFITISTHE
COOLING CONTROL
, CONNECT TO THE Y TERMINAL.
COOL OFF HEAT AUTO - ON
>
>
COOL OFF HEAT
AUTO - ON
Figure 1
4. After labeling wires, remove wires from terminals.
COOL OFF HEAT AUTO - ON
>
>
COOL OFF HEAT
AUTO - ON
5. Remove existing thermostat base from wall.
6. Refer to the following section for instructions on how to
install thermostat.
Installing Model 9500 Thermostat
NOTE: FOR NEW INSTALLATIONS
D
ONOT INSTALL BEHIND A DOOR, IN A CORNER, NEAR AIR VENTS, IN DIRECT SUNLIGHT, OR NEAR ANY
HEAT OR STEAM GENERATING FIXTURES
OPERATION
.
1. Turn power off to the heating
and cooling systems.
2. Place COOL-OFF-HEAT
In OFF position.
3. Place AUTO-ON switch
Into AUTO position.
4. Remove the cover using a coin
or screwdriver.
, MOUNT THERMOSTAT ON INSIDE WALL, 4-5 FEET ABOVE THE FLOOR.
. INSTALLATION AT THESE PLACES WILL AFFECT THERMOSTAT
5. Place thermostat against the wall at desired location. Make sure
wires will feed through opening on base of thermostat.
Figure 2
6. Mark placement of mounting holes. See Fig. 3.
Set base aside.
7. Drill the marked holes using a 3/16" drill bit. NOTE: Enclosed plastic
anchors do not require drilled hole for drywall.
8. Tap plastic anchors into the wall.
9. Align base with plastic anchors and feed wires
through opening.
10. Secure base to wall with supplied screws.
11. Connect wires to terminal strip. Refer to wiring diagrams on other
side of this sheet. Make sure wire connections are secure.
12. Place fan option switch into either the "ELEC" or "GAS" position
depending upon the type of furnace. Refer to Figure 4
figure 4
13. Put the °F/°C switch to either °F for Fahrenheit display
or °C for Celsius display readout.
MOUNTING HOLES
ELECTRIC/
GAS SWITCH
F°/°C
Switch
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