50
|
059705–00 REV. B
MINIMUM WATER TEMPERATURE
Selections:
70°F–170°F
Default:
140°F
Description:
If controlling a motorized valve set the Minimum Water Temperature to
70°F. This will allow the Genesis Heat-Timer
®
to calculate the Target water temperature
(TGT) based on the Outdoor temperature (OD), the Reset Ratio, and the Offset value.
If controlling a boiler directly the Minimum Water Temperature must be set to the
boiler manufacturer’s specification. The Genesis Heat-Timer
®
control will calculate the
Target temperature (TGT) based on the Outdoor temperature (OD), the Reset Ratio,
and the Offset value. The Genesis Heat-Timer
®
will control the boiler to hold either
the calculated temperature, or the temperature of the Minimum Water Temperature,
whichever is higher.
MAXIMUM WATER TEMPERATURE
Selections:
170°F–240°F
Default:
200°F
Description:
When using the Genesis Heat-Timer
®
to regulate water temperature
for a radiant heat system set the Maximum Water Temperature to the radiant tubing
manufacturer spec. This will allow the Genesis Heat-Timer
®
to calculate the Target water
temperature (TGT) based on the Outdoor temperature (OD), the Reset Ratio, and the
Offset value without exceeding the Maximum Water Temp. thus, protecting the tubing
from excessive heat.
DOMESTIC HOT WATER
Selections:
Disable, Normal, Priority
Default:
Normal
Description:
A DHW call can be initiated by shorting the DHW input terminals, 24 and
25. By selecting NORMAL or PRIORITY will determine how Genesis Heat-Timer
®
will
control the System Pump output terminals 4 and 5.
When DISABLE is selected, the Domestic Hot Water function on the Genesis
Heat-Timer
®
control is OFF.
When NORMAL is selected on a DHW call, the Genesis Heat-Timer
®
will raise the
system water temperature to an adjustable water temperature or the Maximum
water temperature setting, which ever is lower. The System Pump output will remain
energized. In the summer time when the System Pump is deengerized, a Domestic Hot
Water call will energize the System Pump output.
When PRIORITY is selected on a DHW call, the Genesis Heat-Timer
®
will raise the
system water temperature to an adjustable water temperature or the Maximum water
temperature setting, which ever is lower. The System Pump output will deengerize for a
period of 1 hour. If after the priority period the DHW did not expire, the System Pump
output relay will energize providing heat to the building and the temperature target
will remain at the DHW Set Point. After the DHW call expires, the set point will drop to
satisfy the reset ratio target temperature. In the summer time when the System Pump is
deengerized, a Domestic Hot Water call will not energize the System Pump output.
MAX WATER TEMP
BACK SAVE
F
MIN WATER TEMP
BACK SAVE
F
DOMESTIC HOT WATER
BACK SAVE
Disabled
Normal
Priority
17
STARTUP MENU—HOT WATER
