Honeywell CHRONOTHERM T8621A - Manual (Page 3)

3 68-0058—1
T8621A,C,D
SPECIFICATIONS
TABLE 2—TRADELINE MODELS.
Thermostat
Model Stages Changeover Switching
Number Heat Cool Type System Fan Application
T8621A* 1 1 Auto HEAT-AUTO- ON-AUTO Single stage
COOL-OFF
T8621C 2 1 Auto HEAT-AUTO- ON-AUTO Multistage
COOL-OFF
T8621D* 2 2 Auto HEAT-AUTO- ON-AUTO Multistage
COOL-OFF
*Model available with separate sensor for remote mounting.
CURRENT RATING: 1.6A maximum total per stage.
OPERATING HUMIDITY RANGE: 5 to 90 percent
relative humidity, noncondensing.
OPERATING AMBIENT TEMPERATURE RANGE:
40
°
F to 110
°
F [4
°
C to 43
°
C].
SETPOINT RANGE: 45
°
F to 88
°
F [7
°
C to 31
°
C].
CALIBRATION: Self-calibrating thermostat and ther-
mometer to
±
1
°
F.
SHIPPING TEMPERATURE: -20
°
F to +120
°
F [-29
°
C to
+49
°
C].
CYCLES PER HOUR ADJUSTMENT:
Heating: First stage of 2-stage heat models—fixed at
3 cph. Second stage of 2-stage heat models or
heat stage of single-stage heat models—factory-
s e t a t
6 cph; adjustable for other systems.
Cooling: Factory-set at 3 cph (not field adjustable);
minimum off-time of five minutes.
FINISH: Beige matte with decorative brushed metal face-
plate.
DIMENSIONS: Thermostat (mounted on subbase)—7
in. [178 mm] long, 5-5/16 in. [135 mm] high, 1-3/
4 in. [44 mm] deep. See Fig. 1 for subbase dimen-
sions and Fig. 2 for sensor dimensions.
TYPICAL KEYPAD: See Fig. 3.
ACCESSORIES:
TG586A Locking Cover.
TG512 Versaguard Universal Thermostat Guard.
REPLACEMENT PARTS:
202905AA Remote Temperature Sensor Assembly.
Includes sensor, screws, anchors and instructions. See
Fig. 2 for dimensions.
Fig. 1—T8621 Subbase mounting dimensions in in. [mm].
4 [121]
3
4
3 [83]
5
16
7 [179]
1
[46]
13
16
5
[135]
5
16
M5181A
4
3
32
[104]
1
31
32
[50]