Carrier 140/E Series Installation, Start--Up, Operating, And Service And Maintenance page 23

THERMIDISTAT TWO-STAGE TWO-SPEED THERMIDISTAT TWO-STAGE TWO-SPEED
FURNACE AIR CONDITIONER FURNACE HEAT PUMP
HEAT STAGE 2
COOL STAGE I
HEAT STAGE 1
COOL STAGE 2
FAN [_
24 VAC HOT [_
DEHUMIDIFY [_
24 VAC COMM [_
HUMIDIFY
N/A [_
Os_j_oo_ _
CONNECT,ON
NOTE 11
NOTE 12
I HUM "'"-
_ HUMIDIFIER _j_
(24 VAC)
OUTDOOR
SENSOR
See notes 2, 5, 8, 10, 11 and 12
on the page following these figures
A03179
Fig. 26 - Two-Stage Furnace with Two-Speed Air
Conditioner
RVSCOOLING_
HEAT/COOL STAGE 1
(COMPRESSOR LO)
"EA_pSuTAGcEE_ IW_ _"
HEATo%O%EST%% I
FAN E_
24 rAG HOT
DEHUMiDiFY _}
24 rAG COMM _]
HUMIDIFY
N/A I_
O_E_S%_R _-F_q
CONNECT,ON LF_O
F_q
___EozE_ L2.... _ ........
,_T_:__[_
I HUM "'"-_ ...... ,
IzL]OUTDOOR d_,
........
/
SENSOR [_ I
See notes 1, 2, 3, 4, 6, 8, 9, 10, 12, 13 and 15
on the page folowing these figures
A03178
Fig. 28 - Two-Stage Furnace with Two-Speed Heat Pump
(Dual Fuel)
THERMIDISTAT TWO-STAGE SINGLE-SPEED
FURNACE HEAT PUMP
RVS COOLING E_J r
HEATSTAGE3r_ _
(FURNACEHI)
HEAT STAGE 2
(FURNACE LO)
HEAT/CcOoCLpSTAsGoERI ) [_
FAN
24 VAC HOT
DEHUMIDIFY [_
24 VAC COMM _-
HUMIDIFY [_
N/A [_
CONNECT,ON LF_O
___EO_T_E_ 2)....
F_q
-<--IB
I HUM "'-. ......
........
........
See notes 1,2, 4, 6, 7, 9, 10, 11, and 15
on the page folowing these figures
A03180
Fig. 27 - Two-Stage Furnace with Single-Speed Heat Pump
(Dual Fuel)
DUAL FUEL TWO-STAGE SINGLE-SPEED
THERMOSTAT FURNACE HEAT PUMP
RVS COOLING[__
HEATSTAGE3r_ _ -
(PURNACEHI)
HEAT STAGE 2rw _ _
(FURNACELO)
HEAT/COOL STAGE 1 [_1 r _
(COMPRESSOR)_
FAN[__
24VACHOT[__
24 VAC COMM [__
N/A [_
RVS SENSING [_
OsUT_sOO_-I:Z_-
CONNECT,ON LI2D-
C_
-i_q
I HUM
_ OUTDOOR _
........ / SENSOR 1 _ Ii
See notes 1, 2, 4, 11,14,15, and 16
on the page fo/owing these figures
-<_-D
A03181
Fig. 29 - Dual Fuel Thermostat with Two-Stage Furnace
and Single-Speed Heat Pump
23