Instructions / Assembly

42
WHL-590 REV. 7.27.16
SYSTEM CONTROL SETTINGS
MAXIMUM FLAME DETECTING VOLTAGE
2.4V
PRE-PURGE TIME (Tp)
5 seconds
SAFETY TIME (IGNITING TIME) (Ts)
1 second
IGNITING INTERVAL TIME
<10 seconds
POST-PURGE TIME (Tip)
3 minutes
OVER-HEATING 1,2,3 PROTECTION DETECTION TIME
<2 seconds
TEMPERATURE SENSOR FAULT DETECTION TIME
<3 seconds
# OF IGNITION ATTEMPTS (Ntl)
5
DHW SET TEMPERATURE RANGE
100
o
F – 140
o
F (35
o
C – 60
o
C)
DHW OFF TEMPERATURE
DHW Target Temperature + DHW Differential Temperature
9
o
F (5
o
C)
DHW ON TEMPERATURE
Below DHW Target Temperature 9
o
F (5
o
C)
DHW WATER ON MINIMUM WATER FLOW
.5 gallons (2 liters) (9Hz)*
DHW WATER OFF MINIMUM WATER FLOW
.4 gallons (1.5 liters) (5Hz)*
Table 20 – System Control Settings – *NOTE: Zero Activation with Internal Recirculation Mode Active
Figure 36 – Wiring Detail
NOTE: T/T only operates when the Air Handler Application is selected in Installer Menu – 19:SU – AH.