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California Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. HTP reserves the right to make product changes or updates without notice and will not be held liable for typographical errors in literature.
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WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. • Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. WHAT TO DO IF YOU SMELL GAS •...
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AHJ. DANGER indicates an imminently hazardous situation which, if NOTE: HTP reserves the right to modify product technical specifications not avoided, will result in serious personal injury or death. and components without prior notice.
K. Cascade Follower Pump and Sensor Wiring Table of Contents L. Internal Wiring Diagram Part 1 - General Safety Information Part 8 - Gas Connections A. Operation and Installation Warnings A. Gas Pipe Sizing Tables B. Improper Combustion 1. Gas Pipe Sizing C.
Failure to follow these instructions will result in property damage, severe personal injury, or death. DO NOT alter or modify the appliance or appliance controls. Altering any HTP appliance with parts not manufactured by HTP WILL WARNING INSTANTLY VOID the appliance warranty and could result in property damage, personal injury, or death.
NOTE: DO NOT add cold make up water to the system when the NOTICE appliance is hot. Thermal shock can potentially cause cracks in the heat exchanger. Such damage IS NOT covered by warranty. This appliance provides an overheat shutdown limit. In the event the appliance water temperature exceeds the setpoint of the control F.
I. High Elevation Installations loop CH applications. This appliance is designed to operate at its maximum listed capacity NOTE: HTP DOES NOT WARRANT THE APPLIANCE AGAINST FREEZE- in installations located at 0 - 2000 ft above Sea Level. Since the density RELATED DAMAGE.
Neutralizers can be UNCRATING THE APPLIANCE - Any claims for damage or shortage installed in the field by the installer and purchased from HTP (7450P- in shipment must be filed immediately against the transportation 212).
Part 3 - Prepare the Appliance COLD WEATHER HANDLING - If the appliance has been stored in Failure of the appliance or components due to incorrect operating a very cold location (BELOW 0 F) before installation, handle with conditions IS NOT covered by product warranty. care until the components come to room temperature.
Appliance Area Ventilation Air Openings - Closet Installations C. Clearances for Service Access If the appliance is installed in a closet or alcove the appliance area/ room must be ventilated. EXCEPTION: If the appliance area/room has a volume of 150 ft All appliances eventually leak.
Confined space is space with volume less than 50 cubic feet per E. Exhaust Vent and Intake Pipe 1,000 BTU/hr (4.8 cubic meters per kW) of the total input rating of The appliance is rated ANSI Z21.10.3 Category IV (pressurized vent, all fuel-burning appliances installed in that space.
Close all fireplace dampers. G. Prevent Combustion Air Contamination 4. Place in operation the appliance being inspected. Follow the Install intake air piping for the appliance as described in the Venting lighting instructions. Adjust the thermostat so the appliance will Section, this manual.
Failure to follow the instructions in this section WILL VOID the domestic hot water. HTP offers indirect water heaters in a wide range warranty and may result in property damage, severe personal injury, of gallon sizes in either stainless steel or glass lined construction.
• The pipe must be cleaned and without blemish before any This appliance is designed to function in a closed loop 15 PSI System. A connections are made. factory installed low water cut off will ensure that you have adequate •...
F. Relief Valve G. Zoning with Zone Valves Install supplied temperature and pressure relief valve. Connect 1. Connect appliance to system as shown in the Applications discharge piping to a safe disposal location, following the guidelines diagrams. Properly size circulators for friction loss of zone valves and on the next page.
Glycol in hydronic applications includes inhibitors that prevent it from attacking metallic system components. Make certain that system fluid is checked for the correct glycol concentration and inhibitor level. ASSE 1017 or ASSE 1070 temperature limiting or mixing valves do The glycol solution should be tested at least once a year, or as not eliminate the risk of scalding.
L. Central Heating Applications NOTES: ZONE CIRCULATORS 1. This drawing is meant to show with IFC CENTRAL HEATING (TYP) system piping concept only. Installer responsible equipment & detailing required by TO SYSTEM local codes. RETURN 2. The minimum pipe size for connecting SuperStor Ultra...
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Figure 6 - Cascaded System NOTES: 1. This drawing is meant to show system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2. The minimum pipe size for connecting a SuperStor Ultra Indirect Water Appliance is 1-inch. 3.
Part 5 - Venting The appliance must be vented as detailed in this section. Ensure exhaust vent and intake piping complies with these instructions regarding vent system. Inspect finished exhaust vent and intake piping thoroughly to ensure all joints are well secured, airtight, and comply with all applicable code requirements, as well as the instructions provided in this manual.
B. Approved Materials for Exhaust Vent and Intake Pipe Standards for Installation In: Item Material United States Canada Pipe and Fittings Approved for Intake ONLY ABS* ANSI/ASTM D2661 ANSI/ASTM D2661 PVC Schedule 40/80 UL-1738 or ANSI/ASTM D1785 PVC-DWV Schedule 40/80 UL-1738 or ANSI/ASTM D2665 UL-1738 or ULC-S636 Pipe Approved for...
D. Exhaust Vent and Intake Pipe Location INSIDE CORNER DETAIL FIXED OPERABLE CLOSED FIXED CLOSED OPERABLE LP-179-CC 03/28/17 Intake Pipe Terminal Exhaust Vent Terminal Area Where Intake Terminal Is Not Permitted Figure 7 - Exit Terminals for Direct Vent Systems - ANSI Z223.1 / NFPA 54 for US and CAN/CSA B149.1 for Canada DESCRIPTION CANADA Clearance above grade, veranda, porch, deck, or balcony...
Standard E. Exhaust Vent and Intake Pipe Sizing Increased Vent Size Vent Connection and Reducing 1. The exhaust vent and intake pipe size is 2” for 100 and 130kBTU and Maximum Total Maximum Total Coupling models and 3” for 160 and 199kBTU models. Equivalent Length Equivalent Length 2.
However, improper location or installation can result in The following table lists optional exhaust/intake terminations available severe damage to the structure or exterior finish of the building, from HTP: and increase the opportunity for vent blockages and nuisance Description Stock Code shutdowns.
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Sidewall Venting Options - Direct Vent Installation Sidewall Venting with Kit EXTERIOR WALL VENT KIT Sidewall Venting with Tee (Intake) and Exhaust EXHAUST 1" MIN. 12" MIN. EXHAUST MAINTAIN 12" MINIMUM CLEARANCE ABOVE HIGHEST MAINTAIN 12" MINIMUM CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL INTAKE 12"...
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Venting Below Grade Snorkel Venting (Two Pipe Sidewall Venting Termina- For installations that exit the wall below grade: tions Beneath an Overhang) Excavate the site to a point where the pipes are to exit as shown in Figure 11. Ensure the wall is fully sealed where the pipes penetrate. The exhaust vent / air intake piping MUST be secured to the side of the building above grade, as shown, to provide rigidity.
Roof Venting Options - Direct Vent Installation Unbalanced Venting - Roof Exhaust Termination EXHAUST Take extra precaution to adequately support the weight of vent pipes terminating through the roof. Failure to properly support roof terminated piping could result in property damage, serious injury, or death.
NOTE: The following instructions refer only to venting through an Unconfined space is space with volume greater than 50 cubic feet existing vent system, and not to venting with HTP’s optional concentric per 1,000 Btu/hour (4.8 cubic meters per kW) of the total input vent kits.
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Indoor Combustion Air (Single Pipe) DO NOT INSTALL WATER HEATER, BOILER, OR APPLIANCE NEAR DRYER EXHAUST Outdoor Combustion Air (Single Pipe) LP-325-X Figure 17 - Do Not Place Appliance Near Dryer UPPER AIR DUCT Boiler, Water Heater, or Appliance LOWER AIR DUCT LP-325-T 8/5/2010...
(p/n 7450P-212 available from HTP). Follow all the installation The condensate line must remain unobstructed. If allowed to freeze instructions included with the neutralizer. If a neutralizer is installed,...
Part 7 - Wiring volts. If the pump requires more current or voltage other than 120 volts, an external motor starter or contactor will be required. 3. If using DHW, connect the domestic hot water pump as shown to the Install wiring and electrically ground appliance in accordance terminals marked 4 (HOT), 5 (NEUT), 6 (GND).
G. UL353 Low Water Cut-Off Kit (Optional) 1. If an HTP 7450P-255 UL353 Low Water Cut-Off (LWCO) Kit is not used, move on to Section I. 2. The control box of the kit should be mounted to the left side of the appliance near the low water cut-off probe, which is located near the outlet nipple of the appliance.
J. Cascade Master Pump and Sensor Wiring K. Cascade Follower Pump and Sensor Wiring 1. Connect the system pump hot wire to the terminal marked 1. 1. Connect the appliance pump to the terminals labeled 8, 2, and 3. 2. Connect the system pump neutral to the terminal 2 and the pump If you are using an indirect fired water tank connected directly to the ground wire to terminal 3.
PIONEER INTERNAL CONNECTION DIAGRAM L. Internal Wiring Diagram 120 VAC J6-2 J6-1 LINE NEUTRAL GROUND WHITE BLACK BLACK POWER SWITCH GREEN DISPLAY BOARD ASSEMBLY J6-3 X6-1 X6-4 X6-2 X4-12 BLUE THERMISTOR X8-2 PROTECTED BY BLUE AN INTERNAL X4-13 6.3 AMP FUSE RELAY X8-1 COMBINATION SUPPLY/HIGH...
Part 8 - Gas Connections If an in-line regulator is used, it must be installed a minimum of 10 feet WARNING from the heater. It is very important that the gas line is properly purged by the gas supplier or utility. Improper line sizing or failure to properly FIRE AND/OR EXPLOSION HAZARD purge the lines will result in ignition failure.
A. Gas Pipe Sizing Tables 1. Gas Pipe Sizing This information is for reference use only. Refer to gas pipe manufacturer specifications for actual delivery capacity. The DOE standard for Natural Gas is 1100 BTU/ft . Contact the local gas supplier for actual BTU/ft rating.
Do not do a gas conversion on this appliance without an officially 1. The appliance and its individual shutoff valve must be disconnected approved conversion kit and instructions supplied by HTP. Failure from the gas supply piping system during any pressure testing of the to use a conversion kit when converting the appliance to fire on system at pressures greater than ½...
*NOTE: It is recommended you clean heat exchanger at least once a Part 9 - Start-Up Preparation year to prevent lime scale buildup. Follow the maintenance procedure to clean the heat exchanger in the Maintenance Section of this manual. Test/replace freeze protection fluid Thoroughly clean and flush any system that has used glycol before 1.
HTP (554200). This pump is equipped with two leads that can be connected to an alarm or another type of warning device to alert the user of a condensate overflow, which, if not corrected, could cause property damage.
• The appliance addressed as 1 will share its alarm output with Part 10 - Start-Up Procedure the Master Appliance. • If one of the follower appliances has an indirect fired water appliance connected to it, the address of this appliance must be 2 or greater.
DHW call based on the differential temperature setting for the indirect E. Purge Air from System tank. The pump will not start until the indirect water temperature Manually Operating CH/DHW Pumps to Commission System reaches a temperature equal to the setting for the indirect, minus the Disconnect wires connected to the THERMOSTAT terminals on indirect differential.
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Range: 0 - 3 Cascade Master. Controls the 0-10 volt input N/A, Do not change. Range: 0 = Appliance Temperature, Activates control for use with HTP 1 – Appliance Power Modbus Board Step Modulation – Regulates burner 0 = Modbus Disabled (Default) output in 6 steps in 1 minute intervals.
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Control Program Reference Chart CENTRAL HEATING CURVE Factory Default Function Default Setting Programmed Setting Do Not Change 201˚ Do Not Change FUNCTION 9 Do Not Change DEFAULT RESET CURVE FUNCTION 11 5˚ 68˚ F or 150 OUTSIDE TEMPERATURE (F) Do Not Change CENTRAL HEATING CURVE Plot your Curve 0 or 1...
C. Combustion System Test Mode This function is intended to simplify the gas valve adjustment if When servicing or replacing components that are in direct contact needed. Listed in the following tables are the recommended limits with appliance water, be certain that: on the appliance and Combustion Settings.
2. Inspect low level switch and wiring for damage and repair if necessary. 1. Check line voltage. Must be between 100 – 128 volts. 2. If available, connect a PC and, using HTP service software, check the 24v supply display in the lower left corner of the screen. The number displayed here must be greater than 128 and should be greater than 250.
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If the display flashes a code other than F01, follow the troubleshooting guide for that code. 7. If the flue temperature increases to over 190 F, consult HTP for further assistance. Interrupted or shorted upper (supply) temperature sensor 1.
If the burner lights during any one of these three ignition trials, Part 13 - Maintenance normal operation will resume. If the burner lights, but goes off in about 4 seconds, check the polarity of the wiring. See electrical connection section of this manual. If the burner does not light after the third ignition trial, the control In unusually dirty or dusty conditions, care must be taken to keep will enter a lockout state.
Part 15 - Installation Checklist Before Installing Is there enough space to ensure proper installation? Does installation location allow for proper service clearances? Are water and gas lines properly sized and set at proper pressures for the installation? Is appliance location as near the exhaust vent / intake pipe terminations as possible? Have combustible materials been cleared from the installation location? Is there a drain close to the appliance? Water Piping...
Start-Up, Adjust, and Test Has the appliance been started? If necessary, has the appliance gas valve been adjusted? Has the installation been customized per installation location requirements? Have all customized system parameters been tested? Has proper appliance operation been confirmed? Final Installation Approvals Signed by Technician Date...
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Inspection Activities Date Last Completed Piping 1st Year 2nd Year 3rd Year 4th Year* Near appliance Check appliance and system piping for any sign of leakage; make sure piping pipes are properly supported. Check condition of all vent pipes and joints. Ensure the vent piping Vent terminations are free of obstructions and blockages.
COVERAGE assembly in accordance with federal, state, and local codes. A. During the first year after the date of installation, HTP warrants that 2. Maintain the appliance in accordance with the maintenance it will repair or replace, at its option, any defective or malfunctioning procedure listed in the manufacturer’s provided instructions.
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During the claims process a product that must be replaced will be given a 14. Failure or performance problems caused by improper sizing designation of either a) field scrap, or b) return to HTP. If the product must of the appliance, expansion device, piping, or the gas supply line,...
Customer Installation Record Form The following form should be completed by the qualified installer / service technician for you to keep as a record of the installation in case of a warranty claim. After reading the important notes at the bottom of the page, please also sign this document. Customer’s Name Date of Installation Installation Address...
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