Robertshaw 8401-1 User Manual
DIGITAL
THERMOSTATS
Features and Benefits
Stat-Snap™
The custom thermostat cover that applies in a snap
(Custom Clear included with unit).
Larger Back Lit Display
Makes viewing and setting the temperature
easy and accurate.
Quick Connect Wiring
Fast and easy installation. Uses sturdy wire clamps –
no wrap-around of screws.
Automatic Compressor Short Cycle Protection
A system safeguard. Reduces wear and
tear of HVAC equipment.
Adjustable Temperature Differential
Maintains optimal customer comfort.
O & B Terminals
Greater system flexibility, zoning compatible.
Toll-Free Assistance
Toll-Free Technical Service number printed right on
the thermostat provides immediate assistance.
1 Heat / 1 Cool
Designer Digitals
Finally, a thermostat that combines Function and Fashion.
Functionally, the 8400-1 and 8401-1 Robertshaw thermostats
come with all the great features you’d expect. They both have a
large backlit display – 80% larger than other competitive
models. The 8400-1 operates with 2 AA batteries. The 8401-1
operates with a 24V common wire for applications where line
power is preferred. Both are compatible with all standard 24
VAC heating and cooling systems.
Fashionably, the 8400-1 and 8401-1 Robertshaw thermostats
can blend with any decor using exclusive Stat-Snaps™ (Custom
Clear included with unit). Four styles of faceplates are
available: Gloss Black, Antique Bronze, Brushed Stainless, and
Custom Clear. The Custom Clear can be painted or wall papered
to custom match any decor.
You get all of this in a cool new look. We’ve delivered the
desired “touch screen” appearance - a flush, smooth, easy to
clean face – without the high price of a touch screen.
When you select a Robertshaw thermostat, you’ve made the
choice of an industry partner that’s been making quality
products for over 100 years. Come home to affordable comfort.
Come home to Robertshaw.
SM
Technical service available:
1-800-445-8299
M-F 7:00 a.m. - 5:30 p.m. CST
W
A
R
R
A
N
T
Y
2
T
W
O
Y
E
A
R
G
GASEELECTRICOOIL
new series!
8400-1
8401-1
H
HEAT PUMP
24 VAC POWERED
8400-1 power
8401-1 power
®
Energizer® Batteries Included
1 Heat / 1 Cool
8400-1 Terminal Designations
THE ROBERTSHAW 8400-1 REPLACES:
E
G
Shipping Information
Indiv. Ctn. Dim.: 5.1" x 5.1" x 1.8"
Master Ctn. Qty.: 6
Master Ctn. Dim.: 10.9" x 5.6" x 6.1"
Master Ctn. Cu. Ft.: .22
Master Ctn. Wt.: 3.7 lbs.
Max. Pallet Qty.: 1176
Max. Pallet Dim.: 40" x 48" x 48"
Max. Pallet Cu. Ft.: 53.8
Max. Pallet Wt.: 775 lbs.
Other Single-Stage
Heat / Cool Thermostats
9200: Mercury-Free Deluxe Mechanical
8600-1: Programmable, 5-2 Day
8601-1: Programmable, 5-2 Day
9700i: Deluxe Programmable, 7 Day
9701i: Deluxe Programmable, 7 Day
9400: Digital Non-Programmable
9801i: Deluxe Programmable, 7 Day
9851i: Deluxe Programmable, 7 Day
9901i: Deluxe Programmable, 7 Day
Rh
24 VAC
Heating
Transformer
W
Heating
Relay
Rc
24 VAC
Cooling
Transformer
Y O
Cool Active
Reversing
Valve
Cooling
Relay
B G
Fan
Relay
Heat Active
Reversing
Valve
8401-1 Terminal Designations
R
24 VAC
Transformer
W
Heating
Relay
C
24 VAC
Common
Y O
Cool Active
Reversing
Valve
Cooling
Relay
B G
Fan
Relay
Heat Active
Reversing
Valve
Specifications
Electrical rating: 24 Volt AC (18-30 VAC)
1 amp maximum load per terminal
3 amp total maximum load (all terminals combined)
Temperature control range: 45˚- 90˚F (7˚- 32˚C)
Accuracy: +/-1˚F (+/-.5˚C)
System configurations: Single stage gas, oil, or
electric heating/cooling systems
(including single stage heat pump systems)
8400-1 DC power: 3.0 Volt
(2 “AA” alkaline batteries included)
8400-1 Terminations: Rh, Rc, W, Y, O, B, G
8401-1 power: 24 VAC
8401-1 Terminations: R, C, W, Y, O, B, G
GAS ELECTRIC
Distributed by:
8400-1
8401-1
DIGITAL
THERMOSTATS
new series!
Robertshaw 9500
White-Rodgers Company* 1F78-144
Honeywell, Inc.* T8400C, T8401C, TH3110
ICM* SC2000
Braeburn* 1000, 3000
O
OIL
THE ROBERTSHAW
8401-1 REPLACES:
Honeywell, Inc.* T8400C, T8401C
ICM* SC2001
* Verify specific application requirements before substitution.
Controls Americas
515 South Promenade Avenue
Corona California 92879-1736 USA
Telephone +1 800 951 5526 Facsimile +1 630 260 7299
iccacustomerservice@invensys.com
www.icca.invensys.com
©2005 Invensys Controls Americas 6/05 - #150-1945
H
HEAT PUMP
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