W8710A EQUIPMENT MONITORING SYSTEM
7
68-0256
a
For heat pump systems, the default 24°heat rise is based on a 46° outside air temperature. This heat D/T changes as the out-
door temperature changes.
12.
If you have a gas heat system, it is already calibrated.
So press Enter and skip to step 21.
a. If you need to change the type of heating system to
electric heat or heat pump (or if you just want to
reset the W8710A to the original factory setting,
continue the following step.
b. Press the CAL key and then press the 2 key (2
RESTORE).
NOTE: Do not press 1 INITIALIZE.
13.
Select the type of heating by pressing 1 for gas, 2 for
electric or 3 for heat pump.
14.
The Handheld Programmer displays Calculating Electric
Set Up (or Calculating Gas Set Up or Calculating HP
Set Up) while the W8710A is calculating.
15.
The next screen requests you to select the type of Air
Sensor. Press 3 to select W8710A.
16.
After the W8710A completes calculating, it displays
Resetting Unit Please Wait.
17.
The Handheld Programmer displays the software ver-
sion again, repeats the contractor number, access num-
ber and customer number confirmation screens and
ends with STATUS OK screen.
Table 2. Standard Calibration Settings and Setup Values.
System Type
Standard
Calibration
D/T
(Temperature
Rise and Fall)
Standard
Calibration
Tolerance
Range
(+ or -)
Trip
Range
Low
Trip Range
High
Time
Delay
Setting
Temp
Alarm
Setting
(minimum)
Temp
Alarm
Setting
(maximum)
Gas heat with air
With AC (at 50%
RH)
55°
18°
20°
6°
35°
12°
75°
24°
20 minutes
40°
120°
Electric heat with
With AC (at 50%
RH)
30°
18°
12°
6°
18°
12°
42°
24°
20 minutes
40°
120°
Heat pump only
Cool mode (at
50% RH)
a
24°
18°
10°
6°
14°
12°
34°
24°
20 minutes
40°
120°
Heat pump with
electric backup
1st stage
2nd stage
1st and 2nd
stages
combined
24°
30°
51° -55°
10°
10°
14°
41° - 45°
34°
61° - 64°
20 minutes
40°
120°
Heat pump with
gas (dual fuel)
1st stage only
2nd stage only
(Can operate
only one stage
at a time)
24°
55°
10°
10°
14°
45°
34°
65°
20 minutes
40°
120°
1 INITIALIZE
2 RESTORE
HEAT: 1 GAS
2 ELECT 3 HP
CALCULATING
ELECT SET UP
SENSOR TYPE
1 ESM 3 MSV
RESETTING UNIT
PLEASE WAIT
STATUS: OK