Robertshaw 8401 - Manual
Robertshaw 8401 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – Wiring Table; Old Terminal
- Page 3 – Step 2: Installing Model 8401 Thermostat; NOTE: FOR NEW INSTALLATIONS, MOUNT THERMOSTAT ON; Turn power off to the heating and cooling systems.; Figure 2
- Page 4 – Figure 3; Figure 4
- Page 5 – Wiring Diagrams
- Page 7 – Figure 5
- Page 8 – Step 3: Testing the Thermostat; CAUTION: DO NOT SWITCH SYSTEM TO COOL OR LEAVE IN COOL MODE; NOTE: ONCE THE THERMOSTAT TURNS OFF WHEN IN THE COOL MODE,; button until the temperature; NOTE: If HP is selected, the heat will not come on until the 5 minute; AUTO-ON switch into the ON
- Page 9 – System; Temperature Differential; diFF
- Page 10 – Check Filter Reset; CHECK FILTER; Backlit Display
- Page 11 – Step 5: Troubleshooting; Symptom; Thermostat does not turn on system.; Installation; If problems with thermostat cannot be resolved, call:; automated helpline is available.; Changing the Temperature
- Page 12 – Two Year Limited Warranty; Invensys Controls Americas; warrants to the original contractor; Warranty Claims Department
D I G I TA L
N O N - P R O G R A M M A B L E
T H E R M O S TAT
8401
E L E C T R I C
E
G A S
G
O I L
O
®
NeW
1 Heat / 1 Cool
User's Manual
Quick Start
Installation
H E AT P U M P
H
Application
The Robertshaw 8401 is a single-stage thermostat designed to control
24 VAC gas or electric heating and cooling systems or single-stage heat
pump. The 8401 requires the use of a common wire.
Features
• Large backlit display
• Adjustable temperature differential: 1°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
1
110-1087B
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Summary
WARNING: • Always turn off power at main fuse or circuit breaker panel before installing, removing, cleaning, or servicing thermostat. • Read all the information in this manual before installing this thermostat. • DO NOT CONNECT TO 120 VAC. This is a 24 VAC low-voltage thermostat. Do not install on ...
WARNING: In heat pump applications, do not connect anything to the W1terminal. When switched to HP mode, W1 is connected internallyto Y1 on the thermostat. 1. Turn off power to heating and cooling system. 2. Remove cover from old thermostat to expose wires (Figure 1). 3. Disconnect wires one at a ti...
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 ...
