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RESIDENTIAL SOLA™ S7910B
LOCAL KEYBOARD DISPLAY MODULE
APPLICATION
The S7910B Local Operator interface provides setpoint and
control adjustments to parameters of the R7910B SOLA
Hydronic Control. The R7910B SOLA is programmed to
provide a level of safety, functional capabilities, and features
beyond the capacity of conventional controls.
All data is displayed on an LCD with backlight. The S7910B
has four function buttons. The function of the bottom two
buttons varies according to the operation mode and screen
displayed. The right two buttons are used to adjust settings
and navigate up and down the displayed data.
Application ..........................................................................
Features ..............................................................................
Ordering Information ..........................................................
Specifications .....................................................................
Installation ..........................................................................
Wiring ..................................................................................
Wiring ..................................................................................
Operation ............................................................................
FEATURES
FUNCTIONS SUPPORTED
• Burner control state, sequence
• Rate control manual adjustment
• Lockout code
• Alert and Hold Reason
• CH set point
• DHW set point
• Communication interface with R7910B.
• First out and system status and diagnostics provided
through the LCD.
• Local communication of operation and
fault information.
• Control Temperatures
• Outlet temperature
• Inlet temperature
• Delta T (Outlet-Inlet)
• DHW temperature
• Stack temperature
• Outdoor temperature
• Set-up
• Degree F/C toggle
• Outdoor reset parameter settings
• Remote firing rate control enable/disable
• Anti-Short Cycle enable/disable and setting
• Modbus address setting (1-250)
• Lead Lag Control
• LL on/off hysteresis
• LL baseload %
• Warm weather shutdown
• PIM Operation
• Diagnostics
Contents
• Previous Lockout code displayed
1
1
2
2
• Min/Max/Manual firing rate testing
2
3
3
3
PRODUCT DATA
68-0295-04
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Summary of Contents for resideo SOLA S7910B
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Page 1: Table Of Contents
RESIDENTIAL SOLA™ S7910B LOCAL KEYBOARD DISPLAY MODULE PRODUCT DATA FEATURES FUNCTIONS SUPPORTED • Burner control state, sequence • Rate control manual adjustment • Lockout code • Alert and Hold Reason • CH set point • DHW set point • Communication interface with R7910B. •... -
Page 2: Ordering Information
OEM giving instructions on use. Or a copy 1. Read these instructions carefully. Failure to follow of the Resideo Product Data 68-0290EF needs to be included them could damage the product or cause a hazardous with the appliance. -
Page 3: Wiring
RESIDENTIAL SOLA™ S7910B LOCAL KEYBOARD DISPLAY MODULE Three operation modes are available: User Mode, Setup WIRING Mode, and Diagnostic Mode. Wire the S7910B as shown in Fig. 2 using the wiring Startup backplate provided. At startup, all text on the LCD will be displayed for 2 seconds, followed by the software version number for an additional 2 seconds. - Page 4 RESIDENTIAL SOLA™ S7910B LOCAL KEYBOARD DISPLAY MODULE Table 1. User Mode Screens. Screen Displays Outlet Water Temp Display current outlet water temperature Outlet Setpoint Display and modify current Outlet (CH) setpoint temperature Inlet Water Temp Display current inlet water temperature Delta Temp Display delta T temperature ([outlet temperature] - [inlet temperature]) DHW Temp...
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Page 5: Setup Mode
RESIDENTIAL SOLA™ S7910B LOCAL KEYBOARD DISPLAY MODULE Table 3. Setup Mode Features. (Continued) Table 2. Timeouts in User Mode. Setting Definition Length of Inactivity that Remote Firing Display and modify current remote firing Screen Displayed Causes Timeout Control control (On or OFF). Remote Firing If On, Set Modbus Address (1 to 250). - Page 6 RESIDENTIAL SOLA™ S7910B LOCAL KEYBOARD DISPLAY MODULE Table 3. Setup Mode Features. (Continued) After a certain period of user inactivity or if the Done button is pressed, the S7910B switches to the current home screen Setting Definition and the system switches from Standby to normal operation. Password PAS informs the user that a three digit Timeouts for the Setup Mode are shown in Table 4.
- Page 7 RESIDENTIAL SOLA™ S7910B LOCAL KEYBOARD DISPLAY MODULE ENTER SETUP MODE ICP MMI-SETUP MODE (1) LBTHODLOD ˚F NEXT NEXT Setup Setup Setup Done Done Next Next Next NEXT UP/DOWN UP/DOWN LBTHODLOD ˚F Setup Setup Setup Done Done Done Next Next Next NEXT NEXT ˚F...
- Page 8 RESIDENTIAL SOLA™ S7910B LOCAL KEYBOARD DISPLAY MODULE ICP MMI-SETUP MODE (2) CONTINUED FROM PREVIOUS NEXT SETUP SCREENS Setup Done Next UP/DOWN Setup Setup Setup Done Done Done NEXT Next Next Next NEXT NEXT NEXT Setup Setup Done Done Next Next ˚F ˚F UP/DOWN...
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Page 9: Diagnostic Mode
RESIDENTIAL SOLA™ S7910B LOCAL KEYBOARD DISPLAY MODULE ICP MMI-SETUP MODE (3) ERROR RECEIVED/ 20S TIMEOUT CONTINUED ANY SETUP NEXT FROM PREVIOUS SCREEN SETUP SCREENS DONE / Setup Setup TIMEOUT Done Done Next Next LEAVE SETUP MODE NEXT RECEIVED Setup Setup Setup Done Done... -
Page 10: Previous Alert
RESIDENTIAL SOLA™ S7910B LOCAL KEYBOARD DISPLAY MODULE Table 5. Diagnostic Mode Features. (Continued) After a certain period of user inactivity or when the Done button is pressed, the R7910B is forced to accept all calls for Setting Definition heat and the S7910B leaves the Diagnostic Mode and switches to the User Mode’s current home screen. - Page 11 RESIDENTIAL SOLA™ S7910B LOCAL KEYBOARD DISPLAY MODULE ENTER DIAGNOSTIC MODE Outlet NEXT NEXT NEXT A µ A µ Diag Diag Alert Diag Diag Lockout Done Done Next Done Next Next Next Reset NEXT ˚F ˚F Stack NEXT NEXT Diag Diag Done Done Next...
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Page 12: Error Modes
Resideo Technologies, Inc. 1985 Douglas Drive North, Golden Valley, MN 55422 1-800-468-1502 68-0295—04 M.S. Rev. 06-21 | Printed in United States www.resideo.com © 2020 Resideo Technologies, Inc. All rights reserved. This product is manufactured by Resideo Technologies, Inc. and its affiliates.
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