Raypak Hot Water Energy Management Control manual Time Schedule, Supply Temperature

TIME SCHEDULE

TS TIME SCHEDULE This is a seven-day time clock. Each line is a program for starting a new period (such as Night) on a day (such as M-F) and at a time (such as 6:00 am). Up to 20 lines can be displayed or programmed using the SPACE, F4 and F5 keys. Periods end automatically when a new one starts. The day codes are M-F (Monday thru Friday), S-S (Saturday and Sunday), F-S (Friday thru Sunday), and --- (no days). The recommended setting for intial programming is ---

(no days) on all settings. Changes can be made to accommodate individual schedules.

SUPPLY TEMPERATURE

The RayTemp control strategy closely matches water temperature to demand as hot water use varies throughout the day. The setpoint is adjusted based on a demand profile which is recorded for the last seven days. The RayTemp scans this profile and adjusts the setpoint in anticipation of demand. This strategy is complemented with a seven-day time clock which can provide fixed tem- peratures during certain hours for special requirements, such as laundry.

C0 SELECT - Maximum Regular Temperature During Regular periods the desired temper- ature will be set between (screen) C0 and C1 according to demand. The time clock schedule deter- mines when Regular takes effect. Default Temp 140°F.

C1 SELECT - Minimum Regular Temperature The supply temperature will not be set below this value during Regular periods. Default Temp 130°F.

C2 SELECT - Maximum Peak Temperature C2 and C3 become the new maximum and min- imum temperatures when the time clock schedule is in Peak mode. Default Temp 140°F.

C3 SELECT - Minimum Peak Temperature During peak periods the supply temperature will not be set below this value. Default Temp 130°F.

C4 SELECT - Maximum Laundry Temperature C4 and C5 will be the maximum and mini- mum temperatures in effect if Laundry is activated by the seven-day time clock. For laundry needs C4 and C5 will usually be set to the same value. Default Temp 140°F.

C5 SELECT - Minimum Laundry Temperature See C4 above. Default Temp 140°F.

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