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JUMPER
WIRE
T2S7o
F_r%H, eaton!y, ] _ Neutral
attach to RH and W J TRANSFORMER
Figure 2.Typical wiring diagram for
heat only, 3-wire, single transformer systems
JUMPER
WIRE
TRANSFORMER
Figure 3. Typical wiring diagram for
cool only, 3-wire, single transformer systems
]
RED jumper wire (provided with thermostat) must be|
connected between thermostat RN and RC terminals| JUMPER
for proper thermostat operation with this system. U WIRE
TRANSFORMER
Figure 4. Typical wiring diagram for
heat/cool, 4=wire, single transformer systems
Co_
E
( mm ( _(_ 2_£_-__-TAT
_'J SYSTE:o t
T _ Neutrat
| HEATING
J TRANSFORMER
24VAOI-I 1412°vAC
--Lj-- _
COOLING TRANSFORMER
Figure &Typical wiring diagram for
heat/cool, 5-wire, two-transformer systems
JUMPER JUMPER
WIRE WIRE
T _T_v "_ T s_szEM
ICompressorll Fan I I
I e°ntaot°r IRL_
1 4woULjz wc
* Reversing valve is energized when the _Neutral
system switch is in the COOL position TRANSFORMER
Figure 6.Typical wiring diagram for heat pump
with reversing valve energized in COOL
JUMPER JUMPER
WIRE WIRE
}mpressor II ran I I
;ontaotor IU
! .J 24VACU L__--_C
* Reversing valve is energized _hen file LJ Neutral
system switch is in the HEAT position TRANSFORMER
Figure 7.Typical wiring diagram for heat pump
with reversing valve energized in HEAT
_EThe 24 Volt neutral connection to terminal C on the thermostat is not required if the batteries are replaced once a year
with fresh premium brand alkaline batteries,
Heating System
1. Move SYSTEM switch to HEAT position. Ifthe heating system
has a standing pilot, be sure to light it.
2. Press (_ to adjust thermostat setting above room tempera-
ture. The heating system should begin to operate.
3. Press (_ to adjust temperature setting below room tem-
perature. The heating system should stop operating.
Cooling System
To prevent compressor and/or property damage, if the
outdoor temperature is below 50°F, DO NOT operate the
cooling system.
1. Move SYSTEM switch to COOL position.
2. Press (_) to adjust thermostat setting below room tempera-
ture. The blower should come on immediately on high
speed, followed by cold air circulation
3. Press (_) to adjust temperature setting above room tem-
perature. The cooling system should stop operating.