Honeywell T6570 Series, Product Data

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T6570, T8570 SERIES DIGITAL FAN-COIL THERMOSTATS
Table 5. Thermostat Parameter Options
Parameter ID Description
°C Scale °F Scale
Default Values Default Values
T emperature S cale tS Allows selection of either °C or °F scale Yes – No –
D ead B and db Setting deadband (Zero Energy Band) 2 2, 3, 4 4 3, 4, 5
Heat or Cool
Op erating Mode
OP Setting operating mode on single relay,
non-changeover models, to either Heat
or Cool
0 0: cool
1: heat
0 0: cool
1: heat
U noccupied C ooling
Setpoint
uC Program unoccupied cooling setpoint
for energy savings.
25 25 to 30 77 77 to 90
U noccupied H eating
Setpoint
uH Program unoccupied heating setpoint
for energy savings
18 10 to 18 65 50 to 65
Minimum C ooling
O ff Time
CO Setting cooling off-time for short cycle
prevention.
0 0, 3, 4, 5 0 0, 3, 4, 5
Minimum H eating
O ff Time
HO Setting heating off-time for short cycle
prevention.
0 0, 3, 4, 5 0 0, 3, 4, 5
Minimum C ooling
Setpoint ( L ow Limit)
CL Sets the minimum allowable cooling
setpoint.
10 10 to 30 50 50 to 90
Maximum H eating
Setpoint (High L imit)
HL Sets the maximum allowable heating
setpoint.
30 10 to 30 90 50 to 90
E nergy S avings
Configuration
ES Activate energy savings mode by a
choice of either contact closure or
contact opening.
1 1: normally open
0: normally closed
1 1: normally open
0: normally closed
Display of R oom
T emperature
rt Allows installer to restrict temperature
display to set point only. With this
parameter, the unit will only display the
set point temperature. Useful where
setpoint limits (HL and CL) will affect
control performance and Room
Temperature display will disagree with
user setpoint.
1 1: room temp.
0: setpoint only
1 1: room temp.
0: setpoint only
WIRING
Table 6. Leadwire Color Code (if fitted)
Terminal Color Use
1 Black (BK) L1 (Hot)
2 White (WH) L2 (N)
3 Orange (OR) Heat
4 Yellow (YL) Cool
5 Gray (GY) Damper
6 Violet (VI) Fan Common
7 Red (RD) Fan Low
8 Blue (BU) Fan Medium
9 Brown (BN) Fan High
10 – Energy Mgt.
System
11 –
Fig. 6. Wiring 2-pipe cool-only thermostat with fan On/Auto
switch.
7 95C-10897–6