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Summary of Contents for Thermomate CZ264LP
- Page 1 Residential Gas Tankless Water Heater CZ264LP/CZ360LP/CZ422LP CZ264NG/CZ360NG/CZ422NG Instruction / Installation Manual 1 (844) 334-4203 www.thermomate.com support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418...
- Page 3 ● Installation and service must be performed by a qualified installer, service agency or the gas supplier. RESIDENTIAL GAS TANKLESS WATER HEATER RESIDENTIAL GAS TANKLESS WATER HEATER Model No. CZ264LP Maximum Input Rating (Btu per hour) Model No. CZ264NG Maximum Input Rating (Btu per hour)
- Page 4 For customer service on this appliance contact: For customer service on this appliance contact: support@thermomate.com support@thermomate.com 1(844)334-4203 1(844)334-4203 The unit must be installed on a fire retardant area, and must be away from all combustible materials.
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Page 5: Read This Manual
You're All Set! Thanks for purchasing your new ThermoMate residential tankless water heater. This convenient, safe and high efficiency product will open the doors to enjoying endless hot water. We highly suggest you take the time to read through all of the safety and installation procedures in this manual before attempting to install your new residential water heater. -
Page 6: For Your Safety
DO NOT store or use gasoline or other flammable vapors or liquids or other combustible materials in the vicinity of this or any other appliance. To do so may result in an explosion or fire. 1 (844) 334-4203 www.thermomate.com... -
Page 7: For Your Records
For your records Please Note: In order to file a product warranty claim, the original proof of purchase is required. Manufacturer: ThermoMate Add: 8350 Patriot Blvd STE B, North Charleston, SC 29418. support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418... -
Page 8: Table Of Contents
In the Box ....................50-51 Warrranty Information ................51-52 ThermoMate IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING Be sure to read and understand the entire Use and Care Manual before attempting to install or operate this water heater. It may save your time and money. - Page 9 Be sure to read and follow the labels on the water heater, as well as the warnings printed in this manual. Failure to do so can result in property damage, bodily injury or death. support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418...
- Page 10 Water temperatures above 125°F can cause severe burns or death from scalding. The thermostat is adjusted to its lowest temperature position when shipped from the factory. Be sure to read and follow the warnings outlined on the label pictured below. 1 (844) 334-4203 www.thermomate.com...
- Page 11 Contact a licensed plumber or the local plumbing authority for further information. support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418...
- Page 12 DO NOT try to light any appliances. ● DO NOT touch any electrical switch. ● DO NOT use any phone in your building. ● Leave the house immediately and make sure your family and pets leave also. 1 (844) 334-4203 www.thermomate.com...
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Page 13: For Your Safety Read Before Operating
Part of your water heater unless it is specifically recommended in this manual. All other servicing should be referred to a qualified technician. READ AND FOLLOW THIS SAFETY INFORMATION CAREFULLY. support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418... -
Page 14: Installing The Water Heater
Installation distances may vary by local code. It is the installer's responsibility to verify installation requirements. ● Make sure before installation that the gas type you will use is the same type on the data plate. 1 (844) 334-4203 www.thermomate.com... - Page 15 The open flame of the water heater's main burner can ignite these vapors causing an explosion or fire which may result in severe burns, death or property damage. support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418...
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Page 16: Combustion And Ventilation Air
4,000 BTU/Hr of the total input rating of all the appliances in the enclosure. 1 (844) 334-4203 www.thermomate.com... -
Page 17: Corrosive Atmospheres
Inspect the water heater for possible damage. Check the markings on the rating plate of the water heater to be certain the type of gas supplied corresponds to the water heater requirements. Verify all included parts are present (see below). support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418... - Page 18 1/4" Per Foot Downward Pitch Wall Thimble* Vent Adapter Expansion Tank (If Needed) To Hot Water Faucet(s) Pressure Check Valve Refief Valve Or Backflow Preventer (No Supplied) Manual Gas Drain Valve Appliance Shut-Off Discharge Line (No Supplied) (To Suitable Drain) 1 (844) 334-4203 www.thermomate.com...
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Page 19: Water Supply Connections
To ensure proper operation of the water heater, the following water pressure guidelines should be followed: ● Operation of the water heater requires the minimum water pressure of 14 PSI and a minimum water flow rate of 0.8 GPM. support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418... - Page 20 Connections between the water heater and point(s) of use should be as short and direct as possible. ● DO NOT use lead or non-approved plastic pipe. ● To conserve energy and minimize heat loss, insulation of hot water piping is recommended. 1 (844) 334-4203 www.thermomate.com...
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Page 21: Gas Supply
The National Fuel Gas Code (NFGC) mandates a manual gas shut-off valve: See (NFGC) for complete instructions. support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418... -
Page 22: Relief Valve
Automatic Gas Shut-Off Devices for Hot Water Supply Systems, ANSI Z21.22, must be installed at the hot water outlet connection of the water heater at the time of installation. Local codes shall govern the installation of relief valves. 1 (844) 334-4203 www.thermomate.com... - Page 23 If the relief valve on the system discharges periodicaly, this may be due to thermal expansion in a closed water supply system. Contact the water supplier or local plumbing inspector on how to correct this situation. Do not plug the relief valve. support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418...
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Page 24: Leak Testing
Ratings of gas appliances are based on sea level operation and need not be changed for installations at elevations up to 2,000 feet / 600 meter. Unit not recommended for elevations in excess of 2,000 feet / 600 meter. 1 (844) 334-4203 www.thermomate.com... - Page 25 Vent pipe runs must be adequately supported along both horizontal and vertical runs. The maximum recommended unsupported span should be no more than 5 feet. Support isolation hanging bands should be used. DO NOT use wire. (See diagram below). support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418...
- Page 26 Insulation Downward Slope Insulation Material Material Inspection Ceiling Hole#2 Board Inspection Hole#1 NOTICE: Vent pipes must be completely insulated with inflammable material when installed in alcoves, closets, and garages and must not touch any flammable material. 1 (844) 334-4203 www.thermomate.com...
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Page 27: Maximum Vent Length
NOTICE: Make sure that the seam of the vent pipe in horizontal runs is toward the top of the installation (see illustration to the left). support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418... -
Page 28: Draining The Condensate
For non-direct vent installations in the us and canada Inside corner detail Fixed closed Fixed closed Regulator vent outlet In Legend: the event no regulator is present, H and l can Vent terminal Air supply inlet Area where terminal is not permitted be disregarded. 1 (844) 334-4203 www.thermomate.com... - Page 29 Clearance under veranda, 12 in (30 cm) As specified by the porch deck, or balcony manufacturer* support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418...
- Page 30 Installation Code. 2) In accordance with the current ANSl Z223.1 / NFPA 54 National Fuel Gas Code. 3) If locally adopted installation codes specify clearances different than those illustrated, then the most stringent clearance shall prevail. 1 (844) 334-4203 www.thermomate.com...
- Page 31 Vent Adapter To drain, dispose of condensate in accrdance to local codes 9.8" 9.8" Typical Horizontal Termination W1/4" Per Feet Downward Slope Inner Thimble Section Outer Thimble Section Side View support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418...
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Page 32: Electrical Connection
Failure to do so could result in severe personal injury or death. Hardwiring the Electrical Connections ● Wiring should be carried out by a qualified electrician in accordance with local codes. 1 (844) 334-4203 www.thermomate.com... - Page 33 Connect the live wire to black leg wire and the neutral wire to the white neutral wire. CAUTION: Label all wires priorto disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify correct operation after servicing. support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418...
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Page 34: Electric Wiring Diagram
Power cord Ground wire Anti-freezer Section valve for certain Thermostat models Thermostat Section valve Gas proportion valve Panel display Gas main valve Temp. sensor of water outlet Water flow sensor Ground wire Feedback wire Ignition pin 1 (844) 334-4203 www.thermomate.com... -
Page 35: Insulation Blankets
(Make sure to place the rubber ring). Before connecting the inlet water pipe, flush the inside of the pipe. Outlet Water Pipe Inlet Water Pipe Drain Valve support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418... - Page 36 DO maintain proper clearances to combustibles as specified by applicable code. ● DO ensure that the flue terminal location complies with the guidelines found in the Use & Care Manual and National Fuel Gas Code (CAN/CGA B 149 in Canada). 1 (844) 334-4203 www.thermomate.com...
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Page 37: Mounting The Water Heater
1. Aim the holes in the water heater onto the expansion screws, hang it up and screw the nuts tightly. 2. Put the vent pipe through the holes in the wall, and connect the elbow with the water heater and vent pipe. support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418... - Page 38 Air purged from water heater and piping. ● Water connections tight and free of leaks ● Water filter is clean and in place. ● Materials used are as instructed in this manual. ● Water pipes are insulated. 1 (844) 334-4203 www.thermomate.com...
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Page 39: Lighting The Water Heater
Should you have any problems reading or following the instructions in this manual. STOP, and get help from a qualified service technican. support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418... - Page 40 2. Turn the Gas Shut-off Valve located on the outside of the unit clockwise to the “OFF” position. Note: CZ series is for indoor permanent installations only. This manual and all ThermoMate content is subject to change without notice. Please visit www.thermomate.com, call service hot line 1(844)334-4203 or email to support@thermomate.com. for more information.
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Page 41: Operating The Water Heater
NOTICE: Flammable vapors can be drawn by air currents from surrounding areas to the water heater. support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418... -
Page 42: Water Temperature Setting
● When the unit is in use, the set temperature can increase to 122°F, but there is no limit to temperature decrease. To increase the temperature more than 122°F, the water will need to be shut off first. 1 (844) 334-4203 www.thermomate.com... -
Page 43: Water Quality
Up to 0.05 mg/l рH 6.5 to 8.5 Sulfate Up to 205 mg/l Up to 500 mg/l Total Dissolved Solids (TDS) Up to 5 mg/l Zinc Chlorine Up to 4 mg/l support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418... -
Page 44: Routine Preventative Maintenance
"Housekeeping" section for further information. ● DO NOT operate the water heater if you feel something is wrong with the water heater. ● DO NOT allow children to operate or otherwise handle the water heater. 1 (844) 334-4203 www.thermomate.com... - Page 45 6 month cleaning routine To prevent water scale, lime or rust deposit buildup and ensure your thermomate tankless water heater is running as efficiently as possible it is highly recommended that you clean your thermomate tankless water heater every 6 months. For more information and to purchase please visit us at www.thermomate.com or call 1(844)334-4203.
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Page 46: Vacation And Extended Shut-Down
1. Shut off the main gas valve and power. 2. Shut off the inlet water valve. 3. Open all faucets. 1 (844) 334-4203 www.thermomate.com... -
Page 47: Care & Maintenance
Expansion Tank (If Needed) To Hot Water Faucet(s) Pressure Check Valve Refief Valve Or Backflow (No Supplied) Preventer Manual Gas Drain Valve Appliance Shut-Off Discharge Line (No Supplied) (To Suitable Drain) support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418... -
Page 48: Troubleshooting
Such as the presence of a blockage of the combustion air vent insufficient gas or pressure which can impact the safe operation of the water heater. Please contact a Qualified Service Technician if this occurs. 1 (844) 334-4203 www.thermomate.com... -
Page 49: Error Code Guide
NOTICE: If an error code other than those listed below is displayed, immediately turn off the hot water faucet, take note of the error code, turn off the switchon the panel display and call the customer assistance number. support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418... - Page 50 CAUTION: Make certain power to water heater is “OFF” before removing protective cover FOR ANY REASON. CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. VERIFY PROPER OPERATION AFTER SERVICING. 1 (844) 334-4203 www.thermomate.com...
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Page 51: Replacement Parts
Flame Sensor Pin Heat exchanger Gas Distribution Pipe Burner assembly Gas Valve Asm. Hot water Temp Water Flow sensor Sensor Water Outlet Water Inlet Gas Inlet Front Cover Power Cord Panel Display support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418... -
Page 52: In The Box
All parts orders should be included: 1. The model and serial number of the water heater from the rating parameter. 2. Parts description (as shown below) and number of parts desired. 1 (844) 334-4203 www.thermomate.com... -
Page 53: Limited Warranty Information
PCB Board Fan Assembly Limited Warranty Information ThermoMate hereby warrants this product to be free of material defects in materials and workmanship when installed and operated according to ThermoMate's installation and operating instructions. This Limited Warranty extends to the original purchaser and subsequent owners, but only while the product remains as the site of the original installation. - Page 54 All shipments of any type of product coming to ThermoMate for any reason must have an RGA for any repairs to be made. Please contact ThermoMate to obtain an RGA number prior to shipping anything to ThermoMate Failure to do so could result in loss of product.
- Page 56 1 (844) 334-4203 www.thermomate.com support@thermomate.com 8350 Patriot Blvd STE B, North Charleston, SC 29418...
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