Lochinvar 502 - Manual (Page 9)

User’s Information Manual
9
3
SMART SYSTEM control module
Access modes
User
The user can adjust the space heating target
temperature and the tank target temperature
(if a tank sensor is used) by using the UP and
DOWN buttons (FIG. 3-1) at any time during
normal operation. By entering the USER code
(0704), the user can also change temperature
units, time and date, and night setback settings.
In User Mode, the following parameters can be
viewed but not changed:
• Boiler outlet water target temperature in
DHW Mode
• Appliance model number
• Software version
• Total operating hours
• Total cycles
Installer
Most parameters are available only to the
installer, accessible only by entering the
installer access code, see the Power-fin Service
Manual.
Saving parameters (reference the
Parameter Table in the Power-fin Service
Manual)
To save parameters and exit programming:
Press the ENTER/RESET button, then the
MENU/EXIT button 3 times.
To keep parameter settings only for a current
operating cycle:
Press the MENU/EXIT button 3 times after
making all desired parameter changes.
To enter a parameter and continue
programming:
Press the MENU/EXIT button 1 time to return
to the parameter listings; press again to return
to the menu listings. Remember to press the
ENTER/RESET button when finished
programming in order to save the changes
made.
See the Power-fin Service Manual for a detailed
description of parameters and access modes.
Use the control panel (FIG. 3-1) to set temperatures, operating conditions, and
monitor appliance operation.
Power-fin control module
Figure 3-1_ Control Panel