User guide
9-6 
Fan coil electro-mechanical control
http://products.ecc.emea.honeywell.com/europe
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Wall mounted line voltage HVAC thermostat.
For control of the fan, compressor, reversing valve, and auxiliary heater in split units, heatpumps, and 
small air conditioners.
Accessories
XE-70 thermostat, 230Vac, heatpump & air-conditioner control, T6376/T6377 
Approvals CE
Protection class IP30
Switch function/capacity SPDT 230Vac, 4 A resistive, 2 A inductive ratings
Terminal max. wire size 1,5 mm
2
Temp. setpoint range 10 ... 30
o
C
Differential fixed 1
o
C
Temperature element vapour filled
Temp. element place built in
Heating /Cooling 
application
H + C
Product literature 
language
Multilingual
Earthing double insulated
Housing (HxWxD) 130 mm; 85 mm; 40 mm
Additional description T6376B, T6377B1003, T6377B1011 are suitable for heatpumps 
with reversing valve. T6376B, T6377B1045, T6377B1151 are 
suitable for air-conditioners.
Heat
anticipator
Temperature
controlled output
Additional
output
Manual
operation
functions
Fan switch Fan cycled or
continuous
Heat/Cool
manual mode
Type
• fan + compressor
+ heater
rev. valve – auto/cont. both H/off/C
T6376B1004
• compressor rev. valve on/off switch 1/2/3 continuous H/fan/C
T6377B1003
– fan + compressor rev. valve – 1/2/3+auto/cont. both H/off/C
T6377B1011
• fan + compressor
+ heater
– – 1/2/3+auto/cont. both H/off/C
T6377B1045
– fan + valve +
heater
– on/off switch 1/2/3 both H/em.heat/C
T6377B1151
Range stops, to limit setpoint adjustment (20 pieces)
F42006646 001
Opaque tamperproof cover to prevent thermostat from damage
F42008489 001
Transparent tamperproof cover to prevent thermostat from damage
F42008489 002










