White Rodgers 350 Installation Instructions

WHITE-RODGERS
Installation Instructions for
Heating & Cooling
Model 350
YOUR THERMOSTAT REPLACES
Description
Standard Heat & Cooling Systems – 4 or 5 wires
Standard Heat Only Systems
Millivolt Heat Only Systems – Floor or Wall Furnaces
Standard Central Air Conditioning
Gas or Oil Heat
Electric Furnace
Hydronic (Hot Water) Zone Heat – 2 Wires
Hydronic (Hot Water) Zone Heat – 3 Wires
Heat Pump (No Aux or Emergency Heat)
Heat Pump (with Aux or Emergency Heat)
Baseboard Electric Heating or Line Voltage (120 or 240 volt)
2

THERMOSTAT FEATURES

KEEP THIS AREA
CLEAR OF WIRES
ANTICIPATOR
MOUNTING
SCREWS
WHITE-RODGERS
EMERSON ELECTRIC CO.
9797 REAVIS ROAD
ST. LOUIS, MISSOURI 63123-5398
www.white-rodgers.com
350
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
No
COVER
Figure 1.
CONTENTS
Preparations ........................................... 1
Thermostat Features .............................. 2

Removing Old Thermostat ..................... 3

Mounting and Wiring .............................. 4
Set Heat Anticipator ............................... 5
New Thermostat Operation .................... 6
Specifications ......................................... 7
Troubleshooting ..................................... 8
1
PREPARATIONS
Assemble tools required as shown below.
HAND OR POWER
DRILL WITH 3/16 INCH
DRILL BIT, IF NEEDED
Failure to follow and read all instructions carefully be-
fore installing or operating this control could cause
personal injury and/or property damage
3 REMOVING OLD THERMOSTAT
To prevent electrical shock and/or equipment damage,
disconnect electrical power to the system at the main
fuse or circuit breaker until installation is complete.
SWITCHING
SUBBASE
Before removing wires from old thermostat's switching subbase,
label each wire with the terminal designation it was removed from.
1. Remove Old Thermostat: A standard heat/cool thermostat
consists of three basic parts:
MOUNTING
SCREWS
a. The cover, which may be either a snap-on or hinge type.
b. The base, which is removed by loosening all captive screws.
c. The switching subbase, which is removed by unscrewing
the mounting screws that hold it on the wall or adaptor plate.
BASE
Make a note here
the old thermostat for future reference and use in step 5.
The heat anticipator pointer, if adjustable, will be set at one of a
series of numbers representing the current rating of the primary
control in your furnace. The number will be one of the following:
.2, .4, .8, etc. or 0.2, 0.4, 0.8, etc.
If no heat anticipator/indication is showing, do not be concerned;
move on to the next step.
Printed in U.S.A.
FLAT BLADE SCREWDRIVER
WIRE CUTTER/STRIPPER
SPIRIT LEVEL OR PLUMB BOB AND LINE—
THERMOSTAT MUST BE LEVEL TO WORK PROPERLY
CAUTION
!
of the anticipator setting on
PART NO. 37-6237A
0116