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White-Rodgers M30 Thermostat Instruction Manual
REMOVING OLD THERMOSTAT
CONTINUED FROM FIRST PAGE
3
MOUNTING AND WIRING
4
WARNING
Do not use on circuits exceeding specified voltage. Higher
voltage will damage control and could cause shock or fire
hazard.
!
ATTENTION! This product does not contain mercury. However,
this product may replace a unit which contains mercury.
Do not open mercury cells.If a cell becomes damaged, do not touch
any spilled mercury. Wearing non-absorbent gloves, take up the
spilled mercury and place into a container which can be sealed. If a
cell becomes damaged, the unit should be discarded.
Do not short out terminals on gas valve or primary control
totest.Shortorincorrectwiringwilldamagethermostatand
could cause personal injury and/or property damage.
Mercury must not be discarded in household trash. When the unit
this product is replacing is to be discarded, place in a suitable con-
product containing mercury.
Thermostat installation and all components of the system
shall conform to Class II circuits per the NEC code.
A. Mountbaseandadaptorplate:Mountbasetowallusingscrews
provided (see Fig. 1).
B. Attach wires: Attach one wire to R and the other wire to W on
base.
SET HEAT ANTICIPATOR
5
Set anticipator to match the setting of your old thermostat you noted
in Step 3, or, the anticipator should be set to match the current rat-
ing stamped on your main heating control. The heat anticipator is
adjustable from 0.15 to 1.2 amps. Adjust the anticipator by rotating
the contact arm (see fig. 2). The anticipator setting is indicated by
the numbers on the base that the pointer points to. If you are unsure
where to set the anticipator contact the heater manufacturer for a
recommended setting.
Rotate contact arm
to adjust heat anticipator
NOTE
For Milivolt Application:
Rotate contact arm
to rest on this rivet.
Arrow points to the
current rating of
the primary coontrol
Move the pointer counterclockwise to lengthen heating system
cycles; move clockwise to shorten heating cycles. Adjustments
should not be greater than 1/2 marking at a time.
Figure 2. Anticipator adjustment
Snap on Cover: Carefully align the cover with the base and snap
the cover onto the base.
Typical Oil Primary
Typical Gas Valve
Typical Zone Valve
24VAC
50/60 Hz
.43 Amps
24VAC
50/60 Hz
.23 Amps
24VAC
50/60 Hz
.35 Amps
6
After power is turned on, slide temperature lever to desired setting.
NEW THERMOSTAT OPERATION
To turn heat off, slide lever all the way to the left until it clicks.
SPECIFICATIONS
7
ELECTRICAL DATA
Switch Rating ........................24 VAC (30 VAC max.)
Heating ...................................0.15 to 1.2 Amps
Switch Action ........................Snap Action
Anticipator Rating:
THERMAL DATA:
Temperature Range...............50°F to 90°F (10°C to 32°C)
Operating Humidity Range...0 – 90% noncondensing
Heating ...................................Adjustable from 0.15 to 1.2 Amps
| General | Details |
|---|---|
| Name | White-Rodgers M30 Thermostat Instruction Manual |
| Make | WHITE RODGERS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.18 MB |

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