Carrier 38AH024-034 - Manual (Page 11)

TO OTHER COMMUNICATING
THERMOSTATS
CARRIER COMMUNICATING
TEMP MONITOR
THERMOSTAT
{MODEL MS(T)OIES)
*CB3 protects control circuit at the following unit voltages;
CONTROL CIRCUIT
PROTECTED AT:
(V-Ph-Hz)
UNIT (V-Ph-Hz)
208/230-3-60
115-1-60 460-3-60
575-3-60
230-1-60 380-3-60
230-3-50
230-1-50 346-3-50
400-3-50
fuse Carrier accessory part no. 40RR900181 for indoor-
fan contactor.
"Install LLS valve no. 1 on the liquid line of the air handler
controlled by the 38AH circuit no. 1 thermostat. Install
LLS valve no. 2 on the liquid line of the air handler con­
trolled by the 38AH circuit no. 2 thermostat.
NOTES:
1. Capacity control solenoid and liquid line (solenoid drop
refrigerant control) valves are field supplied.
2. CB4 protects TBS circuit; CBS protects TB2 circuit.
3. On the TSR-01 Relay Pack, the outside-air sensor, supply-
air sensor, and direct expansion coll sensor are avail­
able as options.
FAN
HEAT 2-----
HEAT1------
COOL 2----------
8 0 COOL 1------------------ 1
24 VAC — —
(COMMON)
TSR-01 RELAY PACK (MAXIMUM CONTACT
LOAD IS 1 AMP AT 24 V) (SEE NOTE 3.)
FAN-------
HEAT 2 —
HEAT1 —
COOL2 -
COOL1- -
1 |I®1 24 VAC
^111^—24 VAC —
(COMMON)
TSR-01 RELAY PACK (MAXIMUM CONTACT
LOAD IS 1 AMP AT 24 V) (SEE NOTE 3.)
3-WIRE COM BUS
TO OTHER COMMUNICATING
THERMOSTATS
CARRIER COMMUNICATING
TEMP MONITOR
THERMOSTAT
(MODEL MS(T)OIES)
THERMOSTAT NO. 1
LEGEND
R.V.
TB
Automatic Changeover
Contactor, Compressor
Circuit Breaker
Capacity Control Solenoid
Common
Ground
Indoor-Fan Contactor
Liquid Line Solenoid
National Electrical Code
^.S.A. Standard)
Reversing Valve
Terminal Block
Thermostat, Cooling
Field Accessory Wiring
Field Control Wiring
Factory Wiring
Field Power Wiring
Indicates Common
Potential; Does
Not
Indicate Wiring
Fig. 8 — Typical Wiring Schematic — Unit 38AH with 2 Air Handlers