Home > WHITE RODGERS > White Rodgers 1F72 5 2 Day Programmable Thermostat Instructions
White Rodgers 1F72 5 2 Day Programmable Thermostat Instructions
MOUNTING AND WIRING
CONTINUED FROM SECOND PAGE
4
THERMOSTAT
SYSTEM
L
O/B
Y
G
W2
E
C
R
See Note **
SYSTEM
MONITOR
SWITCH
Changeover
Relay*
Fan
Emergency
Relay
Aux
Relay
(Stage 2)
Compressor
Contactor
Relay
Hot
24 VAC
120 VAC
Neutral
* Changeover Relay is energized in COOL when O/B switch is in the “O” position
Changeover Relay is energized in HEAT when O/B switch is in the “B” position
TRANSFORMER
(Class II)
** Jumper required to use a single Aux Heat for both Second Stage Heat and Emergency
Figure 2. Typical wiring diagram for single transformer systems
NOTE
If safety circuits are in only one of the systems, remove
the transformer of the system with NO safety circuits.
THERMOSTAT
SYSTEM
L
O/B
Y
G
W2
E
C
R
CUT AND
TAPE OFF!
SYSTEM
MONITOR
SWITCH
See Note **
Changeover
Relay*
Fan
Limit or
Safety
Switches
Emergency
Relay
Relay
HOT
120 VAC
NEUTRAL
24 VAC
Aux
Relay
(Stage 2)
Compressor
Contactor
Hot
24 VAC
120 VAC
Neutral
TWO COMMONS MUST
BE JUMPERED TOGETHER!
TRANSFORMER
(Class II)
* Changeover Relay is energized in COOL when O/B switch is in the “O” position
Changeover Relay is energized in HEAT when O/B switch is in the “B” position
** Jumper required to use a single Aux Heat for both Second Stage Heat and Emergency
Figure 3. Typical wiring diagram for two transformer systems with NO safety circuits
NOTE
Polarity must be observed. If the HOT side of the second transformer
is jumpered to the COMMON side of the first transformer a short will
be made. Damage to equipment will occur when power is restored.
THERMOSTAT
O/B
Y
G
W2
E
C
L
R
SYSTEM
Limit or
Safety
Switches
Limit or
Safety
Switches
See Note **
HOT
24 VAC
120 VAC
SYSTEM
MONITOR
SWITCH
Changeover
Relay*
Fan
NEUTRAL
Emergency
Relay
Relay
24 VAC
Auxiliary
Heating
Transformer
(Class II)
NOTE
ACCESSORY
RELAY N.O.
CONTACT
Aux
Relay
(Stage 2)
The accessory relay scheme
is required when safety
circuits exist in both systems.
Compressor
Contactor
COMMON
TWO COMMONS MUST
BE JUMPERED TOGETHER!
Limit or
Safety
Switches
Limit or
Safety
Switches
HOT
24 VAC
120 VAC
* Changeover Relay is energized in COOL when O/B switch is in the “O” position
Changeover Relay is energized in HEAT when O/B switch is in the “B” position
COMMON
NEUTRAL
** Jumper required to use a single Aux Heat for both Second Stage Heat and Emergency
Heat Pump Transformer
(Class II)
Figure 4. Typical wiring diagram for two transformer systems with safety circuits in BOTH systems
3
| General | Details |
|---|---|
| Name | White Rodgers 1F72 5 2 Day Programmable Thermostat Instructions |
| Make | WHITE RODGERS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.26 MB |
(1 votes, average: 5.00 out of 5)
Loading...
White-Rodgers 1F83-277 Heating & Air Conditioning Auto Changeover Heat Pump Thermostat User Manual
White-Rodgers 1E78 Non Programmable Heat Only Thermostat User Manual
White-Rodgers 1F97-1277 Big Blue Single Stage Thermostat User Manual
White-Rodgers 1F56N-444 Thermostat User Manual
White-Rodgers M30 Thermostat Instruction Manual
WHITE-RODGERS 1F51N-619 Low Voltage Evaporative Cooler Thermostat Instruction Manual
White Rodgers 1F78-151 Non Programmable Thermostat Instructions
WHITE RODGERS 1F80-51 Programmable Electronic Digital Thermostat Instruction Manual
WHITE-RODGERS 1F86-0471 Blue Single 1 1 Stage Thermostat Instruction Manual
WHITE-RODGERS 1F90-71 5-Day 2-Day Electronic Digital Thermostat Instruction Manual
BEOK TDR89 Zigbee Room Thermostat User Guide
Honeywell T6/T6R Smart Thermostat User Guide
BOSCH RT20 RF Room Thermostat User Manual
BEOK CONTROLS TGT70 WIFI Fan Coil Thermostat Owner’s Manual
tecnoswitch TE300ME Mechanical Thermostat User Guide
GENERAL LIFE HT220 Digital Room Thermostat User Manual
STEGO Type STO-STS 011 Mechanical Thermostat Instruction Manual
autani 1000172-01 Wave Thermostat Installation Guide
Honeywell Home T822 Series Heat Thermostat Owner’s Manual
Fantini Cosmi CH180-230V Touch Screen Programmable Thermostat Instructions