Robertshaw 900 series, 984-1R, 986-1R, 988-1R Information Sheet
900
MERCURY-FREE
ECONOMY
MECHANICAL
THERMOSTATS
Features and Benefits
Accurate Room Temperature
Built-in thermometer accurately displays room
temperature.
Adjustable Heat Anticipator
More anticipation settings to choose from allows
use on a wider range of heating equipment.
No Sub-base Required
Simple base and cover design speeds installation. Base
can be mounted on wall, freeing both hands for wiring.
Mercury-Free
No leveling or special disposal required.
J-Box Compatible
Not only will it meet code, but it speeds up installation.
Positive Off Switch
Assured shutdown of HVAC system.
Fixed Cooling Anticipation
Maintains optimal cooling comfort (984-1R, 988-1R)
Dual Temperature Scale
Fahrenheit and celsius scales displayed for flexible
temperature setting (984-1R only).
Mercury-Free
Economy
Mechanical Thermostats
Simply Reliable
Every job should be this easy. The 900 series mechanical
thermostats are made up of a simple two-piece design, so you
save time at installation. The large display offers accurate room
temperature measurement. Wall plates are also available to
mask any unsightly marks left by previous thermostats.
Install it with confidence.
When you select a Robertshaw thermostat, you’ve made the
choice of an industry partner that’s been making quality
products for 100 years.
Technical service available:
1-800-445-8299
M-F 7:00 a.m. - 5:30 p.m. CST
G
GAS
E
ELECTRIC
®
series
MILLIVOLT
M
Y
E
N
O
1
W
A
R
R
E
A
R
Y
T
N
A
White-Rodgers Company* 1E56
Honeywell, Inc.* T87
* Verify specific application requirements before substitution.
The 900 Series Mercury-Free
Economy Mechanical
Thermostats
984-1R 24 Volt AC, Cool Only
Switch Action: Reed Switch
Terminations: Y, G, R
986-1R 24 Volt AC, Heat Only
Switch Action: Reed Switch
Terminations: W, R
988-1R 24 Volt AC, 1 Heat/ 1 Cool
Switch Action: Reed Switch
Terminations: RH, RC, W, Y, G1, G2
THE ROBERTSHAW 900 REPLACES:
E
G
Shipping Information
984-1R 986-1R 988-1R
Indiv. Ctn. Dim.: 5" x 3" x 1-1/4" 5" x 3" x 1-1/4" 5" x 3" x 1-1/2"
Master Ctn. Qty.: 12 12 12
Master Ctn. Dim.: 9-1/2" x 6" x 6" 9-1/2" x 6" x 6" 9-1/2" x 6-3/4" x 6"
Master Ctn. Cu. Ft.: .20 .20 .22
Master Ctn. Wt.: 3.25 lbs. 3.25 lbs. 4.12 lbs.
Max. Pallet Qty.: 2016 2016 2016
Max. Pallet Dim.: 44" x 42" x 40" 44" x 42" x 40" 44" x 42" x 40"
Max. Pallet Cu. Ft.: 42.78 42.78 42.78
Max. Pallet Wt.: 586 lbs. 586 lbs. 1,080 lbs.
Accessories
Universal Wall Plate: Model 9010-1 (White)
Indiv. Dim: 8" x 5-3/4" x 1/4"
Master Ctn. Qty.: 12
Specifications
Electrical Rating: 24-30 VAC
and 250-750 mV 1.5 amp maximum load
(all terminals combined)
Temperature Control Range: 50˚- 90˚F (10˚- 30˚C)
Accuracy: +/-2˚F
Adjustable Heat Anticipation: 0.1 to 1.2A
Power Consumption: Less than 1 mA @ 24VAC
Terminal Designations:
984-1R: Y, G, R
986-1R: W, G, R
988-1R: W, G, Y, Rc, Rh
GASELECTRIC
®
Distributed by:
900
MERCURY-FREE
ECONOMY
MECHANICAL
THERMOSTATS
series
MILLIVOLT
M
191 E. North Avenue
Carol Stream Illinois 60188 USA
Customer Service Telephone 1.800.304.6563
Customer Service Facsimile 1.951.737.8261
iccacustomerservice@invensys.com
www.invensyscontrols.com
©2007 Invensys Controls
For Technical Service
Telephone 1.800.445.8299
Facsimile 1.630.260.7243
technicalservice@invensys.com
3505 Laird Road Unit #14
Mississauga Ontario L5L 5Y7 Canada
Customer Service Telephone 1.800.387.7978
Customer Service Facsimile 1.905.828.1265
iccacustomerservice@invensys.com
Invensys
®
and Robertshaw are trademarks of
Invensys plc., its subsidiaries or affiliated companies.
All other brands mentioned in this report may be
the trademarks of their respective owners.
5/07 – 150-1648C
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