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Heating & Air Conditioning |
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7 | Auto | ||
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Changeover,
INSTALLATION INSTRUCTIONS
FAILURE TO READ AND FOLLOWALL INSTRUCTIONS CAREFULLY BEFORE
INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURYAND/OR PROPERTY DAMAGE.
PREPARATIONS
YOUR THERMOSTAT REPLACES
Description | Assemble tools required as shown below. | |||
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Heat Pump (No Aux. or Emergency Heat) | Yes |
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Heat Pump (with Aux. or Emergency Heat) | Yes |
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Standard Heat & Cooling Systems | Yes |
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Two Stage Heat & Two Stage Cool | Yes |
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Standard Heat Only Systems | Yes |
| FLAT BLADE | SCREWDRIVER |
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Millivolt Heat Only Systems - Floor or Wall Furnaces | DRILL | WITH | 3/16 INCH |
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Yes |
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| HAND | OR | POWER |
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Standard Central Air Conditioning | Yes |
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Gas or Oil Heat | Yes |
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Electric Furnace | Yes |
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Hydronic (Hot Water) Zone Heat - 2 Wires | Yes |
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Hydronic (Hot Water) Zone Heat - 3 Wires | No |
| REMOVING | OLD THERMOSTAT |
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To prevent electrical shock and/or equipment dam- age, disconnectelectric power to system at main fuse or circuit breaker box until installation is complete.
Before removing wires from old thermostat's switching sub- base, label each wire with the terminal designation it was removed from.
1.Shut off electricity at the main fuse box until installation is complete. Ensure that electrical power is disconnected.
2.Remove Old Thermostat: A standard heat/cool
Mounting i Hole
Mounting
Hole
thermostat consists of three basic parts:
a.The cover, which may be either a
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.
3.Remove the front cover of the old thermostat. With wires still attached, remove wall plate from the wall. If the old thermostat has a wall mounting plate, remove the thermostat and the wall mounting plate as an assembly.
4.Identify each wire attached to the old thermostat.
5.Disconnect the wires from the old thermostat one at a time. DO NOT LET WIRES FALL BACK INTO THE WALL.
6.Install new thermostat using the following procedures.
Figure 1 - Thermostat base
ATTENTION! This product does not contain mercury. How- ever, 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
can be sealed. If a cell becomes damaged, the unit should be discarded.
Mercury must not be discarded in household trash. When the unit this product is replacing is to be discarded, place in a suitable container and return to
| is a division | PART NO. | ||
EMERSON, | of Emerson | Electric Co. | 0430 | |
Climat:e Ted mo_ogies | ||||
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