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WH-USER Rev B
User’s Information Manual
Models: WH 55 - 399
WARNING
If the information in this manual is not followed exactly, a fire or
explosion may result causing property damage, personal injury or
loss of life.
This appliance MUST NOT be installed in any location where
gasoline or flammable vapors are likely to be present.
WHAT TO DO IF YOU SMELL GAS
� Do not try to light any appliance.
� Do not touch any electric switch; do not use any phone in your
building.
� Immediately call you
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Contents HAZARD DEFINITIONS ..................................................... 2 3. OPERATING INSTRUCTIONS ..................................... 9 PLEASE READ BEFORE PROCEEDING ......................... 3 4. SMART SYSTEM CONTROL MODULE 1. PREVENT COMBUSTION AIR CONTAMINATION ..... 4 SMART SYSTEM Control Module ................................... 11 2. MAINTENANCE SCHEDULE ....................................... 5 Access Modes ..........................................................
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User’s Information Manual Please read before proceeding The Knight Wall Mount Installation and Boiler service and maintenance – NOTICE Operation Manual along with the Knight � To avoid electric shock, disconnect electrical supply Wall Mount Service Manual are for use before performing maintenance. only by a qualified heating installer/service technician. Refer only to this User’s � To avoid severe burns, allow boiler to cool before Information Manual for your reference.
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User’s Information Manual 1 Prevent combustion air contamination If the boiler combustion air inlet is located WARNING Table 1A Corrosive Contaminants and Sources in any area likely to cause contamination, or if products which would contaminate Products to avoid: the air cannot be removed, you must have the combustion air and vent Spray cans containing chloro/fluorocarbons re-piped and terminated to another Permanent wave solutions location. Contaminated combustion air w
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User’s Information Manual 2 Maintenance schedule Service technician Owner maintenance (see the Knight Wall Mount Service Manual) (see pages 6 - 8 for detailed instructions) General: • Reported problems • Check boiler area • Inspect interior; clean and vacuum if Daily • Check pressure/temperature necessary gauge • Clean condensate trap and fill with fresh water • Check for leaks (water, gas, flue, condensate) • Check vent piping • Verify flue and air lines
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User’s Information Manual 2 Maintenance schedule Read the list of potential materials listed in Table 1A on Maintenance procedures page 4 of this manual. If any of these products are in the room from which the boiler takes its combustion air, they Boiler must be serviced and maintained must be removed immediately or the boiler combustion air (and vent termination) must be relocated to another The boiler must be inspected and started WARNING area. annually at the begi
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User’s Information Manual 2 Maintenance schedule (continued) The condensate trap (FIG. 2-1) must have Use materials approved by the authority NOTICE WARNING the float ball in place during all times of having jurisdiction. In the absence of boiler operation to avoid flue gas emission other authority, PVC and CPVC pipe from the condensate drain line. Failure to must comply with ASTM D1785 or D2845. ensure the float ball is in place could result in Cement and primer m
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User’s Information Manual 2 Maintenance schedule Test low water cutoff (if installed) 1. If the system is equipped with a low water cutoff, 2. Read the boiler pressure/temperature gauge to make test the low water cutoff periodically during the heating sure the system is pressurized. Lift the relief valve season, following the low water cutoff manufacturer’s top lever slightly, allowing water to relieve through instructions. the valve and discharge piping. 3. If wa
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User’s Information Manual 3 Operating instructions Figure 3-1 Operating Instructions - Models 55 - 285 o 9
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User’s Information Manual 3 Operating instructions Figure 3-2 Operating Instructions - Model 399 10
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User’s Information Manual 4 SMART SYSTEM control module Knight wall mount control module Use the control panel (FIG. 4-1) to set temperatures, operating conditions, and monitor boiler operation. Figure 4-1 Control Panel NAVIGATION DIAL The information on the bottom of the display shows the functions of the two SELECT keys (on either corner), and the NAVIGATION dial (in the center): MENU = Left SELECT Key SETPOINTS = NAVIGATION Dial - Pressing Down SHDN = Right SELEC
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User’s Information Manual 4 SMART SYSTEM control module Night Setback Override Space heating (SH1, SH2, SH3) and tank set points Any Night Setback On trigger currently active or scheduled Mixing valves are required for the CAUTION within the next seven (7) days can be skipped. To skip a trigger, protection of any low temperature loops. press the MENU key for 5 seconds. Once password “0000” appears, press the SAVE key. Rotate the NAVIGATION dial to NSB OVERRIDE, and press
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User’s Information Manual 4 SMART SYSTEM control module (continued) Figure 4-2 Status Display Screen B A (CALL FOR (BOILER HEAT) STATUS) C (OPERATIONAL INFORMATION) F D (RIGHT SELECT KEY) (LEFT SELECT KEY) E (NAVIGATION DIAL) Status Display Screens Section Display Description The unit has not received a call for heat from a remote thermostat nor STANDBY has it received a call for heat from a DHW thermostat. START The unit has begun a burn cycle and is checking all safety circui
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User’s Information Manual 4 SMART SYSTEM control module Status Display Screens (cont’d) Section Display Description SYSTEM: The temperature read by the system supply sensor (if connected). TANK: The temperature read by the tank sensor (if connected). OUTDOOR: The temperature read by the outdoor sensor (if connected). INLET TEMP: The temperature read at the inlet to the heat exchanger. OUTLET TEMP: The temperature read at the outlet of the heat exchanger. The temperature differen
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User’s Information Manual 4 SMART SYSTEM control module (continued) Status Display Screens (cont’d) Section Display Description Turning the NAVIGATION dial will select the next or previous Status Screen. Pressing the NAVIGATION dial will show the next fault, NSB (Night Setback) trigger, or ramp delay setting. Pressing the NAVIGATION dial will select the setting indicated by E the cursor. (NAVIGATION Pressing the NAVIGATION dial will display the Set Points Screen. Dial Functio
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Revision Notes: Revision A (ECO C06854) initial release. Revision B (ECO C07072) reflects the update of the User information in the SMART SYSTEM control module “Access modes” section on page 11 and user information in the “Night Setback Override” section on page 12. WH-USER Rev B 01/11
