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Conversion Kits: CK-11, CK-12, CK-13, CK-14, CK-15, CK-16, CK-17, CK-18,
This conversion kit shall be installed by a qualified service agency in
accordance with the manufacturer's instructions and all applicable codes
and requirements of the authority having jurisdiction. The information in
these instructions must be followed to minimize the risk of fire or
explosion or to prevent property damage, personal injury or death. The
qualified service agency is responsible for the proper installation of this
kit. The installation is not proper and complete until the operation of the
converted appliance is checked as specified in the manufacturer's
instructions supplied with the kit.
In Canada:
The conversion shall be carried out in accordance with the requirements of
the provincial authorities having jurisdiction and in accordance with the
requirements of the CAN-B149.1 and CAN1-B149.2 Installation Code.
*A qualified service agency is any individual, firm, corporation or company which either in
person or through a representative is engaged in and is responsible for the connection,
utilization, repair or servicing of gas utilization equipment or accessories; who is experienced in
such work, familiar with all precautions required, and has complied with all of the requirements
of the authority having jurisdiction.
NORITZ America Corporation
11160 Grace Avenue
Fountain Valley, CA 92708
866-766-7489
www.noritz.com
CK-IM-3
Rev. 01/11
Installation Guide
CK-41
WARNING
1
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Related Manuals for Noritz CK-11
Summary of Contents for Noritz CK-11
- Page 1 Installation Guide Conversion Kits: CK-11, CK-12, CK-13, CK-14, CK-15, CK-16, CK-17, CK-18, CK-41 WARNING This conversion kit shall be installed by a qualified service agency in accordance with the manufacturer’s instructions and all applicable codes and requirements of the authority having jurisdiction. The information in these instructions must be followed to minimize the risk of fire or explosion or to prevent property damage, personal injury or death.
- Page 2 Manometer (Capable of displaying digits in tenths (i.e. 2.4) and up to 20” W.C.) • Philips screwdriver (#2 Recommended) • Pliers • Gas leakage device detector • NOTE: Do not attempt to perform a conversion without access to a manometer and a Noritz remote controller. A digital manometer is recommended.
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Page 3: Included Parts
The following parts are supplied in the 2. Included Parts conversion kit. Check for any missing items before starting the conversion. Parts Shape Quantity Manifold Plate O-Ring Main Damper (N-0751M/NR98-SV NG/LPG, N-0751M-DV NG/LPG and N-0751- DVC /NR98-DVC/NC199-DVC NG/LPG only) New Inlet and Manifold Pressure Rating Sticker Date, Gas Type, Kit Number, Name of Company Sticker... -
Page 4: Conversion Procedure
3. Conversion Procedure Parts Replacement: 1) If the display on the remote controller is on, turn off the unit by pressing the “ON/OFF” button on the remote controller. There should be no display on the remote controller. 2) Turn off electrical power to heater by disconnecting the electrical plug from the outlet or shut off the breaker providing power to water heater. - Page 5 Remember to remove the manifold screw. This will be used on the new manifold plate. Discard the original manifold plate. Remove Manifold Screw O-Ring Gas Pipe GRAY BLACK ORANGE BLUE WHITE C-Clamp Gas Pipe (BACK) FIGURE 1 FIGURE 2 8) FOR N-0751M-DVC/NR98-DVC/NC199-DVC ONLY: Remove screw, feed back pipe, and o-ring from the gas valve.
- Page 6 Model Name Damper Size Conversion NG to LPG N-0751M /NR98-SV LPG to NG NG to LPG 9-10 N-0751M-DV LPG to NG 9-13 N-0751M-DVC NG to LPG /NR98-DVC (Ex: 13 = N-0751M-NG) LPG to NG 9-13H /NC199-DVC FIGURE 4 10) Locate the black O-rings on the gas pipe as indicated in Figure2 &...
- Page 7 12) Make sure that the O-Ring is secured properly in place. Failure to do so will cause gas leaks, possibly resulting in severe personal injury or death. 13) Once O-ring is in place, slide the gas pipe into the manifold inlet. Make sure that the gas pipe is completely inserted into the manifold inlet in order to prevent any gas from leaking.
- Page 8 FOR CONVERSION OF N-0751M-DVC/NR98-DVC/NC98-DVC FROM LPG to NG: Use the exhaust ring that came included with your gas conversion kit and insert it into the exhaust pipe “Please refer to installation manual regarding vent length”. Make sure that the ring is completed seated inside the pipe. N-0751M-DVC/NR98-DVC/NC199-DVC with Built-In Drain Tee FIGURE 7...
- Page 9 5) FOR N-0751M USING NATURAL GAS (ELV CIRCUIT BOARD) ONLY: Use the “up” arrow key until the remote controller displays “19”. Change “19” from “OFF” to “ON”. The priority light should be flashing after pressing the “FLOW METER ALARM SET”. 6) Change “FC”...
- Page 10 2) Connect a manometer to the tap by using a silicone tube. Turn on gas supply to unit and confirm the supply pressure. 3) After supply pressure to heater has been confirmed, turn off the gas supply, remove the manometer tube and replace the hex head screw. 4) The manifold pressure will also have to be checked using a manometer (digital manometer is FIGURE 8...
- Page 11 11) Press and hold the minimum pressure set button. Verify from the tables on the following page that the appropriate pressure is read from the manometer. If the pressure needs adjustment, use the manifold pressure increase and decrease buttons to adjust to the correct pressure, while continuing to hold down the minimum pressure set button.
- Page 12 Manifold Pressure (inch H O) Cover Off Supply Pressure Model Name Gas Type (inch H Max Value Min Value 2.99 0.79 N-0751M /NR98-SV 11.0 4.25 1.12 N-0751M-OD 2.95 0.75 /NR98-OD 11.0 4.25 1.06 /NC199-OD 3.54 0.94 N-0751M-DV 11.0 4.69 1.06 N-0751M-DVC Refer to the “Setting list for gas manifold /NR98-DVC...
- Page 13 Apply conversion labels: 1) Replace the front cover of the unit using the 4 screws previously removed. 2) Locate the 2 conversion stickers supplied in the conversion kit. 3) Place the sticker indicating the new inlet and manifold pressures directly above the rating sticker so as not to cover any existing markings as indicated by “A”...
- Page 14 □ Remove hex Philips screw from inlet of Noritz heater and confirm gas supply pressure at unit with manometer. Replace screw after confirmation of gas supply pressure.