Robertshaw 955o - Manual
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Table of Contents:
- Page 2 – Figure 1; IMPORTANT SAFETY INFORMATION; Step 1: Replacing Existing Thermostat; Old Terminal; Table 1
- Page 3 – Remove existing thermostat base from wall.; Recycling Thermostat; NOTE: FOR NEW INSTALLATIONS, MOUNT THERMOSTAT ON; Turn power off to the heating and cooling systems.; Figure 2; TM
- Page 4 – will feed through opening (Figure 4) on base of thermostat.; face other than drywall.; Figure 3; Mounting Holes; Figure 4
- Page 5 – Wiring Diagrams; Make sure wire connections are secure.
- Page 6 – Switch; Figure 6; TERM
- Page 7 – Step 3: Testing the Thermostat; CAUTION: DO NOT SWITCH SYSTEM TO COOL IF THE TEMPERATURE IS; button until the temperature setting; NOTE: ONCE THE THERMOSTAT TURNS OFF WHEN IN THE COOL MODE, A; Figure 7
- Page 9 – System; The heating and cooling systems are off.; Fan; The fan operates continuously.; Temperature; or; Temperature Differential and Deadband; NOTE: IF THE TEMPERATURE LIMITING JUMPER J3 IS CUT; Figure 8
- Page 10 – LED Indicators
- Page 11 – Backlit Display; ture adjustments quick and easy. Press the; Reset; Symptom; Installation; If problems with thermostat cannot be resolved, call:; RESET Switch; Changing the Temperature; Thermostat does not turn on system.
- Page 12 – Two Year Limited Warranty; warrants to the original contractor; Invensys Climate Controls Americas; Warranty Claims Department
Application
The Robertshaw 9550 is a single-stage auto changeover thermostat
designed to control 24 VAC gas or electric heating and cooling systems or
single-stage heat pump. The 9550 requires the use of a common wire.
Features
• Auto changeover [deadband adjustable from 2°F to 8°F (1.0°C - 4.5°C)]
• Large back lit display
• Adjustable temperature differential
• Compressor short cycle protection
• Adjustable fan delay on cooling
• LED indication of system status
• Zone system compatible as a master thermostat
• Battery-free EEPROM memory retention
• Optional temperature limiting settings
• Fahrenheit/Celsius display option
• Gas/electric operation
• Adjustable from 45°F to 90°F (7°C - 32°C)
• Quick wire terminal block
1
D E L U X E
N O N - P R O G R A M M A B L E
T H E R M O S TAT
9550
E L E C T R I C
E
H E AT P U M P
H
G A S
G
®
NeW
1 Heat / 1 Cool
with Auto Changeover
User's Manual
Quick Start
Installation
W
A R R A N T Y
2
TW
O YEAR
110-1034
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Summary
2 Figure 1 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 the information in this manual before installing or program-...
• If you have any questions about cross referencing the old terminal to the new label, reference your equipment installation manual, alicensed contractor, or call Robertshaw Technical Support at (800) 445-8299. 4. Remove existing thermostat base from wall. Recycling Thermostat If this thermostat is ...
4. Remove the cover using a coin or screwdriver (Figure 3). Set aside. 5. Place thermostat against the wall at desired location. Make sure wires will feed through opening (Figure 4) on base of thermostat. 6. Mark placement of mounting holes (Figure 4). Set base aside. 7. If mounting on drywall, tap ...
