TB7600 SERIES COMMUNICATING RTU/HEAT PUMP THERMOSTATS
62-2016—05
6
Detailed Wiring Diagrams for Selected Models
Fig. 6. TB7656B5x00(x) 2 Heat/2 Cool/Economizer/Programmable
Fig. 7. TB7652H5x00(x) Heat pump/Programmable
Sensor Wiring for all Thermostat Models
Remote mount outdoor temperature sensors must be10 Kohm NTC @ 77 F.
Remote sensors can be used for:
• Various averaging combinations (3 thermistors with 2 dip switches are provided with each sensor)
• Optional occupancy led
• Optional override key
Table 2. Temperature vs. Resistance for 10 Kohm NTC thermistor (R
25°C
= 10KW±3%, B
25/85°C
= 3975K±1.5%)
ºF
ºC
Kohm
ºF
ºC
Kohm
ºF
ºC
Kohm
ºF
ºC
Kohm
ºF
ºC
Kohm
-40 -40 324.3197
-4
-20 94.5149
32
0
32.1910
68
20
12.4601
104 40
5.3467
-31 -35 234.4009
5
-15 71.2430
41
5
25.1119
77
25
10.0000
113 45
4.3881
-22 -30 171.3474
14
-10 54.1988
50
10
19.7390
86
30
8.0694
122 50
3.6202
-13 -25 126.6109
23
-5
41.5956
59
15
15.6286
95
35
6.5499
131 55
3.0016
Y2
Y1
G
RC
C
RH
W1
JUMPER
J1
COOL
STAGE 2
COOL
STAGE 1
FAN
HEAT
STAGE 1
HEAT
STAGE 2
0-10 VDC
24V
COM
AUXILIARY
OUTPUT
W2
EC
AU
DI1
DI2
DIGITAL INPUT #1
DIGITAL INPUT #2
RS
Scom
OS
MS
REMOTE
MIXED AIR
SENSOR
REMOTE
OUTDOOR
SENSOR
REMOTE
ROOM
SENSOR
FIELD CONTACTS
THERMOSTAT
INTERNAL WIRING
SYSTEM WIRING
M16929
24 VAC
T1
ECONOMIZER
ACTUATOR
Y2
Y1
G
RC
C
RH
W1
JUMPER
J1
COMPRESSOR
STAGE 2
COMPRESSOR
STAGE 1
FAN
AUXILIARY
HEAT
REVERSING
VALVE
AUXILIARY
OUTPUT
O/B
AU
DI1
DI2
DIGITAL INPUT #1
DIGITAL INPUT #2
RS
Scom
OS
MS
REMOTE
MIXED AIR
SENSOR
REMOTE
OUTDOOR
SENSOR
REMOTE
ROOM
SENSOR
THERMOSTAT INTERNAL WIRING
SYSTEM WIRING
24 VAC
T1
FIELD CONTACTS
M16930