Robertshaw 400-420 - Manual
Robertshaw 400-420 – 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.
A9
MECHANICAL WALL THERMOSTATS
400/405
SERIES HEATING AND
COOLING THERMOSTATS
400/405 Series thermostats are
mercury free and environmentally
safe.
Their unique hermetically sealed-in-glass switch design requires no
leveling and provides optimum protection from contamination.
The basic 400/405 thermostat can be used as a heating only, cooling only,
or zone system thermostat, depending upon how the subbase is wired.
The 400/405 Series thermostats, when used with the 490/495 Series
Universal Switching Subbase, will replace most heating/cooling applications.
Decorative Wall Plate is included with all models. It can be used to cover
old thermostat mounting marks.
SPECIFICATIONS
Electrical rating
24 Volt, 30 VAC, 1.5 amp. max
Switch (SPDT)
Heating
opens on temperature rise
Cooling
closes on temperature rise
Adjustable heat anticipation
.18 to 1.0 amp. std.
Fixed cooling anticipation
4700 ohms std.
Setting range
48 to 86°F
Thermometer range
44 to 96°F
Differential
2°F(nominal)
Dimensions
3-1/4" rounded square, 1-1/2" deep
with subbase 3-5/8" high
400-420
490-400/
495-400
MERCURY FREE. ENVIRONMENTALLY SAFE.
ORDERING DATA
DIAL
HEAT
UNI-LINE
FACTORY
TEMP.
SWITCH
ANTICIPATION
ORDER NO.
NUMBER
RANGE
ACTION
APPLICATION
RANGE
COMMENTS
400-400
34-074-150
24 VOLT HEAT/COOL
NO SUBBASE INCLUDED
400-402
34-584-150
ELECTRIC HEAT/COOL
.5 TO 1.5 AMPS
NO SUBBASE INCLUDED
400-403
34-464-159
39 TO 75°F
24 VOLT HEAT/COOL
.18 TO 1.0 AMPS
LO-TEMP DIAL RANGE
400-404
34-703-524
48 TO 86°F
ELECTRIC HEAT/COOL
2.0 AMPS (FIXED)
NO SUBBASE INCLUDED
400-420†
34-467-750
400-421
■
34-587-750
.5 TO 1.5 AMPS
DESIGNER WHITE MODELS
405-420•
34-959-5B2
.18 TO 1.0 AMPS
405-421
★
34-969-5B2
.5 TO 1.5 AMPS
• Also available in multiples of 100. Order 405-42K (bulk pack, no wall plate).
■
Also available in multiples of 100. Order 400-42A (bulk pack, no wall plate).
† Also available in multiples of 100. Order 400-42K (bulk pack, no wall plate).
★
Also available in multiples of 100. Order 405-42A (bulk pack, no wall plate).
ORDERING DATA
SYSTEM
FAN
UNI-LINE
FACTORY
SWITCH
SWITCH
ORDER NO.
NUMBER
FUNCTIONS
FUNCTIONS
APPLICATION
COMMENTS
490-400†
SB-4A-5AJ
HEAT-OFF-COOL
AUTO-ON
UNIVERSAL
FIELD ADAPTABLE WIRING ALLOWS
CONVERSION TO MOST APPLICATIONS
490-416*
SB-4A-11A
HEAT-OFF-COOL
AUTO-ON
GAS OR ELECTRIC
HEATING FAN RELAY REQUIRED
HEAT/COOL
SEPARATELY
490-421*
SB-4A-12
HEAT-OFF-COOL
AUTO-ON
EXACT REPLACEMENT FOR BRYANT,
DAY/NIGHT & PAYNE P/N 34427D034
490-422
SB-4D-1
HEAT-COOL
—
EXACT REPLACEMENT FOR
TROL-A-TEMP SB-1 (400-002-016)
DESIGNER WHITE MODELS
495-400
SB-4A-5AJ
HEAT-OFF-COOL
AUTO-ON
UNIVERSAL
FIELD ADAPTABLE WIRING ALLOWS
CONVERSION TO MOST APPLICATIONS
† Will also replace Carrier P/N HH93Y2094
* No longer a stock item - 100 lot purchase required.
48 TO
86°F
48 TO
86°F
48 TO 86°F
SPDT
SPDT
SPDT
UNIVERSAL HEATING/
COOLING REPLACEMENT
HEAT/COOL
UNIVERSAL HEATING/
COOLING REPLACEMENT
INCLUDES 495-400
UNIVERSAL SUBBASE
INCLUDES 490-400
UNIVERSAL SUBBASE
.18 TO 1.0 AMPS
.18 TO 1.0 AMPS
REPLACEMENT SUBBASES
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