Operations; Check-Out - Honeywell T6380 Product Data

T6380 - OPERATION
Fig. 7b – T6381B: 2-pipe, heat/cool, auto-changeover, cycled fan
with aux. heat
T6381B
SYSTEM
Cool (YEL)
Cool
Heat (ORG)
Off
Heat
FAN
Hi (BRN)
Med (BLU)
Lo (RED)
BLK
WHT To internal heat/cool
circuits
L1(HOT) L2(NEUTRAL)
Fig. 8a – T6387A: 2-pipe, cooling only on–auto fan
T6387A
SYSTEM
On
Off
Auto
FAN
BLK
WHT
L1(HOT) L2(NEUTRAL)
Fig. 8b – T6387A: 2-pipe, heating only on–auto fan
T6387A
SYSTEM
On
Cool (YEL)
Off
Auto Heat (ORG)
FAN
(BRN)
(BLU)
(RED)
(VIO)
BLK
WHT
L1(HOT) L2(NEUTRAL)
.
W
R
.
TO HEAT/ COOL
VALVE
B
W
R
TO SUPPLEMENTARY
HEAT
B
HI
MED
LO
Cool (YEL)
TO COOLING
VALVE
Heat (ORG)
(BRN)
HI
(BLU)
MED
(RED)
LO
(VIO)
External jumper
TO HEATING
VALVE
HI
MED
LO
External jumper
Fig. 8c – T6387A: 2-pipe, heat/cool, auto-changeover, on–
auto fan
SYSTEM
On
Off
Auto
BLK
WHT
L1(HOT) L2(NEUTRAL)
CAUTION
!
1. Disconnect power supply before connecting
wiring to prevent electrical shock and equipment
damage.
2. Never jumper the supply wires or actuator terminals
even temporarily. This may damage the thermostat.
OPERATION
As the temperature changes, the thermostat makes to
open a valve and/or power a blower to provide heating or
cooling. The speed at which the air is circulated is con­
trolled by the FAN switch. Continuous (
( ) fan operation is determined by model number.
AUTO

CHECK-OUT

Turn power on. Check out operation according to the
SYSTEM switch present.
• SYSTEM switch OFF de-energizes valve and fan
circuits.
Models T6381B,: T6383B
• SYSTEM: HEAT - OFF - COOL
Set the SYSTEM switch to HEAT. Rotate the
thermostat knob clockwise to energize the heating
valve and/or fan (fan auto/cycled mode). The
system LED on the thermostat will light when the
heating circuit is energized.
Set the SYSTEM switch to COOL. Rotate the thermo
stat knob counter-clockwise to energize the cooling
valve and/or fan (fan auto/cycled mode). The
system LED on the thermostat will light.
Model T6387A
• SYSTEM: ON -AUTO - OFF
• Set the SYSTEM switch to ON. The valve will
operate on heating or cooling cycle depending on
whether hot or chilled water is being supplied. The
fan will run continuously.
Set the SYSTEM to AUTO. The fan will cycle with the
heating or cooling operation.
5
T6387A
Cool (YEL) AQUASTAT
W
Heat (ORG)
R TOHEAT/COOL
B
FAN
(BRN)
HI
(BLU)
MED
(RED)
LO
(VIO)
1
External jumper
) or intermittent
ON
VALVE