Robertshaw 9400 User Manual
User's manual, Quick start installation

DIGITAL
NON-PROGRAMMABLE
THERMOSTAT
9400
ELECTRIC
E
GAS
G
OIL
O
®
NeW
1 Heat / 1 Cool
User's Manual
Quick Start
Installation
Application
The Robertshaw 9400 is a single-stage thermostat designed to control
24 VAC gas or electric heating and cooling systems or single-stage heat
pump.
Features
• Low battery indicator
• Summer and winter setpoints
• Large back lit display
• Adjustable temperature differential: .5°F to 3.0°F (0.5°C to 1.5°C)
• Compressor short cycle protection
• Accuracy within ±1°
• Zone system compatible as a master thermostat
• Permanent memory retention
• Fahrenheit/Celsius display option
• Adjustable from 45°F to 90°F (7°C - 32°C)
• Quick wire terminal block
• 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 94°F (34°C)
1
110-1039