Lochinvar F0600187510 - Manuals

Page 2 - Commercial Pool Heaters; Table of Contents

Commercial Pool Heaters Table of Contents General Product Information . . . . . . . . . . . . . . . . . . . . . . . . . .3Special Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Page 3 - Installation and Ser vice Manual; Special Instructions; Water Chemistry; SAFETY INFORMATION; DANGER; : Carbon Monoxide poisoning may; : Should overheating occur or the; WARNING; : To minimize the possibility of

Installation and Ser vice Manual GENERAL PRODUCT INFORMATION Special Instructions This manual supplies information for the installation, operationand servicing of this pool heater. Read and understand this manualcompletely before installing the pool heater. Installation and service must be performed...

Page 5 - PRODUCT IDENTIFICATION; Figure 1A – Standard Horizontal Piping Loop

5 Installation and Ser vice Manual PRODUCT IDENTIFICATION Figure 1A – Standard Horizontal Piping Loop Figure 1B – Optional Vertical Piping Loop

Page 6 - INSTALLATION; LOCATING POOL HEATER; Clearances from Combustible; Clearances from Combustible Construction; No additional clearance is needed on the right side of the; Figure 2 – Clearances from Combustible Construction; Base for Combustible Floors

6 Commercial Pool Heaters INSTALLATION This pool heater meets the safe lighting performance criteria withthe gas manifold and control assembly provided, as specified in theANSI Z21.10.3/CSA 4.3 standard for gas-fired water heaters. LOCATING POOL HEATER 1. Maintain all clearances from combustible con...

Page 7 - Figure 3 – Draining Pool Heater; FREEZE PROTECTION; Anytime the temperature measured at the sensor drops below; : Under no circumstances should the; Combustion Air Filter; units. You can find these commercially; COMBUSTION AND VENTILATION AIR; CAUTION; : Some pleated filters are too

7 TABLE - A COMBUSTIBLE FLOOR KITS Input Btu/hr Kit Number 500,000 CFK3302 650,000 CFK3303 750,000 CFK3304 Installation and Ser vice Manual Figure 3 – Draining Pool Heater FREEZE PROTECTION Although this pool heater is CSA design certified for outdoorinstallations - such installations are not recomm...

Page 8 - Continued; Remove the metal panel from the pool heater’s side wall (see; Figure 5 – Moving Air Filter/Bracket Assembly from Rear of; Combustion Air Options; This pool heater has four combustion air options.; Figure 6 – Outside Combustion Air - Single Opening

8 Commercial Pool Heaters INSTALLATION Continued For convenience and flexibility, you can direct the combustion air inletfrom either the back or right side of the pool heater. To arrange thecombustion air inlet for side entry, follow the steps below. 1. Remove the metal panel from the pool heater’s ...

Page 9 - Outside Combustion Air, Using Direct Venting; Direct; Combustion Air from Interior Space; Exhaust Fans

9 Installation and Ser vice Manual 2. Outside Combustion Air, Using Ducts You can direct outside combustion air to this pool heater usingtwo air ducts to deliver the air to the equipment room. Each ofthe two openings must have a minimum free area of one squareinch per 2000 Btu input (11cm 2 per kW)....

Page 10 - VENTING; General Infor mation; Figure 10 – Vent Termination from Peaked Roof - 10' or Less

10 Commercial Pool Heaters INSTALLATION Continued VENTING General Infor mation You must supply adequate combustion and ventilation air to thispool heater. You must provide minimum clearances for the ventterminal from adjacent buildings, windows that open, and buildingopenings. Follow all requirement...

Page 11 - Figure 12 – Vent Termination from Flat Roof 10' or Less from; : Pool heaters which are shut down or; Freeze; Flue and Air Inlet Pipe Sizes; Input

11 Installation and Ser vice Manual Figure 12 – Vent Termination from Flat Roof 10' or Less from Parapet Wall Figure 13 – Vent Termination from Flat Roof More Than 10' from Parapet Wall Sidewall Vent Ter mination Clearances andLocation Locate the bottom of the vent terminal at least 12 inches (30cm)...

Page 12 - Combustion Air Inlet Piping; : Locate and install the combustion; Combined; Length of Air Inlet Pipe; Minimum Recommended Combustion Air Supply to Equipment Room; Combustion Air Source

12 Commercial Pool Heaters Combustion Air Inlet Piping  WARNING : Locate and install the combustion air inlet cap correctly. Failure to do so can allow thedischarge of flue products to be drawn into thecombustion process. This can result in incompletecombustion and potentially hazardous levels ofca...

Page 13 - Figure 14 – Sidewall Combustion Air Inlet; Vertical Rooftop Air Inlet; Figure 16 – Roof Top Combustion Air Inlet; Clearances; Combined Air Inlet Points; area each) have a total

13 Installation and Ser vice Manual Figure 14 – Sidewall Combustion Air Inlet Figure 15 – Air Inlet Cap for Sidewall Termination To prevent recirculation of flue products from an adjacent vent capinto the combustion air inlet, follow all applicable clearancerequirements in the latest edition of the ...

Page 14 - Vent System Options; This pool heater has six venting options.; The tee or collar; Conventional Ne gative Dr aft; Venting, General Information; Figure 17 – Conventional Negative Draft Vertical Venting with; Negative Draft

14 Commercial Pool Heaters INSTALLATION Continued Vent System Options This pool heater has six venting options. 1. Conventional Negative Draft Venting This option uses a vertical rooftop flue termination. Combustion air is supplied from the equipment room. 2. Vertical DirectAire™ Venting This option...

Page 15 - Do Not; Flue Outlet Piping; Common Venting Systems

15 Installation and Ser vice Manual Connect the flue vent directly to the flue outlet opening on the topof the pool heater. No additional draft diverter or barometricdamper is needed on single unit installations with a dedicated stackand a negative draft within the specified range of 0.02 to 0.08 in...

Page 16 - Vertical Vent Termination Clearances and; Ver tical DirectAireTM Venting; Figure 18 – Vertical DirectAire Installation with Sidewall

Masonry Chimney Installations A masonry chimney must be properly sized for the installation of ahigh efficiency gas-fired pool heater. Venting of a high efficiencypool heater into a cold or oversized masonry chimney can result inoperational and safety problems. Exterior masonry chimneys, withone or ...

Page 17 - Figure 20 – Vertical DirectAire Installation with Rooftop; Vent Kits; : Only use a sidewall air inlet cap; Venting of Flue Products; Vertical; DirectAireTM Kits; Figure 21 – Sidewall Venting Installation with an Induced

Installation and Ser vice Manual Figure 20 – Vertical DirectAire Installation with Rooftop Combustion Air Inlet Vent Kits  WARNING : Only use a sidewall air inlet cap supplied by the appliance manufacturer or a rooftopair inlet cap supplied by the vent manufacturer.Using any other air inlet cap for...

Page 18 - Sidewall Fan; Sidewall Venting Without an External Fan; Venting Guidelines

Commercial Pool Heaters INSTALLATION Continued Sidewall Fan The sidewall fan can be mounted on the inside/outside (dependingupon model) with a sidewall vent hood installed on the exteriorwall. The sidewall fan and accessories are included in a venting kitprovided by the appliance manufacturer. See T...

Page 19 - Figure 22 – Sidewall Venting; : Do not combine the flue from this; Masonry Chimney Installation; : Do not vent this pool heater into a; Sidewall Vent Termination Clearances and

Installation and Ser vice Manual 4’ MIN. Figure 22 – Sidewall Venting  WARNING : Do not combine the flue from this unit with the vent from any other appliance. Do notcombine flues from multiple appliances into acommon vent. The flue from this unit must be adedicated stack. Connect the flue vent dir...

Page 20 - Sidewall Vent Kits; Sidewall; Figure 23A – Horizontal DirectAire Installation (Illustration; Combustion and Ventilation Air; Only use the sidewall air inlet cap; Venting of Flue Products; Sidewall Vent Termination Clearances and Location; Horizontal DirectAireTM Venting; installations. The damper will help to

Commercial Pool Heaters INSTALLATION Continued TABLE-E Sidewall Vent Kits Input Btu/hr Kit* (w/Power Fan Assy.) Max. Vent Length Vent Ter mination Only (500,000 - 750,000 Btu/hr) Max. Vent Length 500,000 SVK3006 100 ft. SVK3043 50 ft. 650,000 SVK3008 100 ft. SVK3044 50 ft. 750,000 SVK3008 100 ft. SV...

Page 21 - Horizontal DirectAireTM Kits

Installation and Ser vice Manual TABLE-F Horizontal DirectAire™ Kits Input Btu/hr Kit* 500,000 HDK3031 650,000 HDK3032 750,000 HDK3032 990,000 HDK3037 1,260,000 HDK3038 1,440,000 HDK3038 1,800,000 HDK3039 2,070,000 HDK3039 *These kits include a sidewall venter assembly, vent termination, DV box adap...

Page 23 - : Pool heaters that are shut down or; Modifications to the DV box adapter will be necessary to; Figure 25 – Moving Air Filter Assembly and DV Box Adapter; Check local codes for possible restrictions.; : Use only vent or air intake materials; Seal all joints and seams of the air inlet pipe using either

Installation and Ser vice Manual In cold climates, use a Type-B doublewall vent pipe or an insulatedsingle wall pipe for combustion air. This will help prevent moisturein the cool incoming air from condensing and leaking from the inletpipe.  CAUTION : Pool heaters that are shut down or will not ope...

Page 24 - Secure all joints with a minimum of three sheet metal screws; : Properly seal all joints and seams in

Commercial Pool Heaters INSTALLATION Continued 3. Secure all joints with a minimum of three sheet metal screws or pop rivets. Apply aluminum foil duct tape or silicone sealantto all screws or rivets installed in the vent pipe. 4. Ensure that the air inlet pipes are properly supported.  WARNING : Pr...

Page 25 - Vertical Combustion Air Inlet Clearances; Multiple Sidewall Direct Vent Installations; Outdoor Installation Venting; : Only install outdoor models; Combustion air supply must be free of contaminants (see; Outdoor Vent/Air Inlet Location

Installation and Ser vice Manual Vertical Combustion Air Inlet Clearances You must locate the air inlet termination elbow at least 12" (30cm)above the roof or above normal snow levels. If the air inlet cap is within a 10 foot (3.05m) radius of the flueoutlet, the point of termination for the com...

Page 26 - TABLE H; The Outdoor Vent Cap Kit; Adjusting Differential Air Pressure; Figure 27 – Outdoor Vent Cap Installed on Rear of Pool Heater; CONNECTING TO GAS SUPPLY; Inlet Pressure; Maximum; Gas Manifold Pressure Adjustment; Gas Pressure Test

Commercial Pool Heaters INSTALLATION Continued TABLE H Outdoor Vent Cap Kits Input Btu/hr Outdoor Vent Kit* 500,000 ODK3075 650,000 ODK3076 750,000 ODK3076 990,000 ODK3077 1,260,000 ODK3078 1,440,000 ODK3079 1,800,000 ODK3080 2,070,000 ODK3080 * These kits include an outdoor vent cap and gasket. Flu...

Page 27 - Gas Piping; Figure 28 – Gas Line Connection; : Do not have any open flame in; Gas Train and Controls

Installation and Ser vice Manual Gas Piping To safely operate this pool heater, you must properly size the gassupply piping. See Tables- J and K for piping and fittingrequirements. Gas pipe size may be larger than pool heaterconnection. On models 500,000 - 750,000 Btu/hr the gas connection to the po...

Page 28 - Figure 29 – Typical Pool Heater Gas Train Drawing; Suggested Gas Pipe Size for Single Unit Installations; Combination Gas Valves; Venting of Combination Gas Valves; Operating Temperature

Commercial Pool Heaters INSTALLATION Continued Figure 29 shows a typical pool heater gas train. Figure 29 – Typical Pool Heater Gas Train Drawing TABLE-J Suggested Gas Pipe Size for Single Unit Installations Btu/hr Input Distance From Meter (in feet) 0-50 51-100 101-200 201-300 301-500 500,000 1 1/4...

Page 29 - Remove the manometer and related fitting from the “inlet” side; : After completing any testing on the; Burner Flames; Figure 30 – Measuring Gas Supply Pressure at Combination; Nominal

Installation and Ser vice Manual 13. Remove the manometer and related fitting from the “inlet” side of the gas valve, replace 1/8" hex plug in the gas valve andtighten. 14. Turn on the gas supply at the manual valve, turn on L.P. gas at the tank if required. 15. Turn the power switch to the “ON”...

Page 30 - Figure 31 – Measuring Net Manifold Gas Pressure; Programming

Commercial Pool Heaters INSTALLATION Continued Gas Manifold Pressure Adjustment IMPORTANT: The gas valves are referenced to thefan pressurized chamber by a hose connected fromthe vent of the gas valve regulator to the chamberpressure tap located on the front inside portion ofthe jacket. Reference th...

Page 31 - Net Manifold Pressure; The piping from the pool heater back to the filter; Auxiliar y Mixed Water Limit Control

Installation and Ser vice Manual TABLE-L Net Manifold Pressure 500,000 – 750,000 Natural Gas 1.8" w.c. LP Gas 4.6" w.c. 990,000 – 2,070,000 Natural Gas 1.2" w.c. LP Gas 4.6" w.c. * Net Manifold Pressure equals the measured manifold pressure minus the chamber pressure. See Figure 31 t...

Page 32 - : Failure to remove power from the

Commercial Pool Heaters INSTALLATION Continued Note: If the wing nut underneath the valve actuator body is loose, retighten. 9. Reinstall the plastic actuator cover and secure with the screw loosened in Step 2. 10. Place the valve cover (JKD6653) over the 3-way automatic bypass valve. Install the en...

Page 33 - Figure 34 - Heater is Within 15 Feet of Pool Piping; Figure 35 - Heater is Beyond 15 Feet of Pool Piping

Installation and Ser vice Manual COPPER OR CPVC (SEE TABLE) RECOMMENDED ISOLATION VALVE ALTERNATE POOL RETURN SENSOR LOCATION VALVE TO POOL 3' MINIMUM FROM FILTER AUTOMATIC BYPASS VALVE PVC MINIMUM (SEE TABLE) FACTORY POOL RETURN SENSOR LOCATION 110° LIMIT 20' MAXIMUM MODEL NO. BYPASS PIPE SIZE CP (...

Page 34 - Figure 36 - Heaters are within 15 feet Perpendicular of Pool Piping; Figure 37 - Heaters are Beyond 15 feet of Pool Piping

Commercial Pool Heaters INSTALLATION Continued 3' MINIMUM COPPER OR CPVC (SEE TABLE) RECOMMENDED ISOLATION VALVE ALTERNATE POOL RETURN SENSOR LOCATION VALVE TO POOL FROM FILTER AUTOMATIC BYPASS VALVE PVC (SEE TABLE) FACTORY POOL RETURN SENSOR LOCATION 110° LIMIT COPPER OR CPVC (SEE TABLE) MODEL NO. ...

Page 35 - Relief Valve; : Avoid contact with hot discharge; of the pool heater and have an; Water Flow Switch

Installation and Ser vice Manual Relief Valve COPPER OR CPVC (SEE TABLE) RECOMMENDED ISOLATION VALVE FLOWMETER 4" CPVC 4" CPVC ALTERNATE POOL RETURN SENSOR LOCATION 3' MINIMUM 110° LIMIT TO POOL FROM FILTER OPTIONAL POOL SUPPLY SENSOR LOCATION FACTORY POOL RETURN SENSOR LOCATION MODEL NO. BY...

Page 36 - Pump Purge Delay Option; : Power must be removed and the

Commercial Pool Heaters INSTALLATION Continued Ensure that the pump installed on the pool heater will supplyadequate flow to make the flow switch contacts and operate the poolheater. A water flow switch meets most code requirements for alow-water cut off device on appliances requiring forced circula...

Page 37 - Figure 39 - Control Panel Component Location Drawing; Wire; Ter minal Strip Connection Options; anytime; the

Installation and Ser vice Manual Figure 39 - Control Panel Component Location Drawing TABLE-M Remote Wire Connection Wire Gauge Maximum Allowable Length 12 GA 100 ft. 14 GA 75 ft. 16 GA 50 ft. 18 GA 30 ft. Ter minal Strip Connection Options The scenarios shown in Figures 40 A - C represent typical t...

Page 38 - : If you do not follow these; OPERATION; Do not try to light any appliance.; Lighting Instructions; Operating Temperature Control,; Figure 41 – Control Panel Cover

Commercial Pool Heaters INSTALLATION Continued B. C. Figure 40 (A-C) - Terminal Strip Connection  WARNING : If you do not follow these instructions exactly, a fire or explosion may resultcausing property damage, personal injury or lossof life. OPERATION FOR YOUR SAFETY READ BEFOREOPERATING A. This ...

Page 39 - Figure 42 – ON/OFF Switch; What To Do If You Smell Gas; To Tur n Off Gas To Pool Heater; Star ting the Filter System

Installation and Ser vice Manual Figure 42 – ON/OFF Switch Figure 43 – Combination Gas Valve 8. Turn the manual gas cock clockwise ; to the “OFF” position. 9. Wait five (5) minutes to clear out any gas. If you smell gas, STOP! Follow What To Do If You Smell Gas in the safety information. If you don’...

Page 40 - OPERATING TEMPERATURE CONTROL

Commercial Pool Heaters OPERATION Continued Figure 44 – Vertical Pool Heater Piping Figure 45 – Horizontal Pool Heater Piping OPERATING TEMPERATURE CONTROL The pool heater is equipped with a microprocessor based adjustabledigital temperature control to provide ON/OFF operation. Thetemperature contro...

Page 41 - Programming Mode

By pressing the Select key, the Pool Target is shown and the text TARGET on the display. This is the pool temperature set point. By pressing the Select key again, the Boiler Inlet Temperature is shown, indicated by the text Boil In. This is the temperature of the water going into the pool heater. No...

Page 42 - HOT SURFACE IGNITION SYSTEM; This unit has one ignition module and one hot surface igniter.; The igniter is extremely fragile, be; Hot Surface Ignition Control Module; Ignition Module Lockout Functions

Commercial Pool Heaters HOT SURFACE IGNITION SYSTEM Hot Surface Igniter and Ignition ControlModule This unit has one ignition module and one hot surface igniter.  CAUTION: The igniter is extremely fragile, be very careful when removing. A faulty or damaged hotsurface igniter MUST BE replaced with a...

Page 43 - Code Sequence; Ignition Control Diagnostic Codes; Access to Inter nal Control Panel; Ignition and Control Timings; : Control panel is heavy and awkward

Installation and Ser vice Manual Code Sequence Condition Constant ON System OK, no faults present. Constant OFF Possible control fault, check power; LED may be effective, do not replace control if all operational sequences function properly, see TroubleShooting Guide. One Flash Low Air, check air pr...

Page 44 - Condition Lights; Status LED Diagnostic Codes; Water Chemistr y

Commercial Pool Heaters OPERATION Continued OPERATION AND DIAGNOSTICINDICATORS The control panel has up to six indicating and diagnostic lights toshow all major steps of operation and control sensed malfunctions.There are display indicators on the Operating Temperature Controlthat give status inform...

Page 45 - Refer to; AMP Draw Data; Pipe Size Requirements; Pipe Sizing Chart

Installation and Ser vice Manual Refer to Circulating Pump on page 46 for information relating to pump wiring. TABLE-P AMP Draw Data Btu/Hr Input Controls Fans Pump Approximate Total Amps 500,000 3.6 2.7 5.0 11.3 650,000 5.4 3.4 5.0 13.8 750,000 5.4 3.4 5.0 13.8 990,000 7.3 3.2 7.4 17.9 1,260,000 7....

Page 46 - Circulating Pump; Lubricate the pump to the manufacturer’s recommendations.; GPM; Minimum Pump Perfor mance; Heat Exchanger; High Water Temperature Limit Control

Commercial Pool Heaters OPERATION Continued Circulating Pump 1. This pool heater is factory supplied with a properly sized pump that circulates water between the pool heater and system. 2. The pump is sized to pool heater input and water hardness. See Water Chemistry on page 44. 3. Lubricate the pum...

Page 47 - : Label all wires prior to; Appliance Area; : The areas around the burner view; A normal flame is blue with slight yellow tips, has; Flue Gas Passageways Cleaning Procedures

Installation and Ser vice Manual CLEANING ANDMAINTENANCE Listed below are items that must be checked to ensure safe reliableoperations. Verify proper operation after servicing.  CAUTION : Label all wires prior to disconnection when servicing controls. Wiringerrors can cause improper and dangerousop...

Page 48 - Bur ner Removal and Cleaning; Burner Removal and Cleaning; Electrical

Commercial Pool Heaters CLEANING ANDMAINTENANCE Continued Bur ner Removal and Cleaning 1. Turn “OFF” the main power to the pool heater. 2. Turn “OFF” the main manual gas shutoff to the pool heater. 3. Remove the front outer jacket panels. 4. Disconnect the manifold from the gas train using the union...

Page 49 - Combustion Air Fans; Figure 53 – Loosening Fan Transition Box Screws

Installation and Ser vice Manual Combustion Air Fans Both the 500,000 - 750,000 Btu/hr models and the 990,000 - 2,070,000 Btu/hr models use a fan-assisted combustion process. The 500,000 - 750,000 Btu/hr models have one fan and the 990,000 - 2,070,000 Btu/hr models use two fans to supply combustion ...

Page 50 - Low Air; Adjustment Procedure; Figure 55 – Combustion Air Adjustment with a Manometer to; Ignition System Checkout

Commercial Pool Heaters CLEANING ANDMAINTENANCE Continued If the air pressure switch does not make within 60 seconds from thetime the fans turn ON, the ignition module will go into a softlockout period (approximately 5 minutes in duration) during whichtime the fans are turned off and the module show...

Page 51 - SEQUENCE OF OPERATION; OVERVIEW

Installation and Ser vice Manual ENERGY SAVINGRECOMMENDATIONS 1. Keep the pool covered when not in use. This will cut heating cost, reduce water evaporation, conserve chemicals and reduceload on the filtering system. 2. Reduce pool thermostat to 78°F or lower. 3. Use an accurate pool thermometer to ...

Page 52 - GLOSSARY; The On/Off switch does not provide for disconnection of

Commercial Pool Heaters GLOSSARY POWER SUPPLY 120VAC/60Hz/1PH power connects to black (line) and white(neutral) wires located within an electrical wiring box located onthe left side of the pool heater. A green chassis grounding wire isalso provided for connection to earth ground. ON/OFF ROCKER SWITC...

Page 53 - HEAT TRANSFER PROCESS

53 IGNITER WARM-UP AND PROVING (Ignition Module Function)Once the ignition module has completed its prepurge period, itturns on the hot surface igniter. Once the hot surface igniter’scurrent draw reaches a proper level, the ignition module begins anadditional period of approximately 25 seconds for t...

Page 54 - WIRING BOX CONNECTIONS; OP; WIRING BOX; CONNECTION DIAGRAM B

Commercial Pool Heaters WIRING BOX CONNECTIONS OPT IONAL PUMP DELAY 1 2 3 4 TD R LY 24VAC PR BL BL/ BK W BK/ W BR/ W PR P Y W OPTIONAL LOUVER/VENTER 120 V REL AY OPTIONAL ALARM / TIME DELAY 24 V TIME DELAY RELAY P 24 V DASHED LINE INDICATES OPTIONAL EQUIPMENT. REMOVE FACTORY TEST JUMPER W HEN INSTAL...

Page 55 - MAIN UNIT CONNECTIONS; MAIN UNIT; CP

Installation and Ser vice Manual WIRING BOX CONNECTIONS R/ BK 2 3 2 3 1 4 1 4 2 2 1 3 1 3 1 2 3 2 3 1 1 1 2 2 2 CHASSIS GROUND STAGE #1 BLOWER #1 BLOWER # 2 LOW GAS BURNER GROUND HSI AS ESS STAGE #1 2 # E G A T S 1 # E G A T S 7 6 AIR SW 2 3 CHASSIS GROUND Y Y Y Y Y T BK R W G BK R W G BK W G BK W G...

Page 56 - LADDER DIAGRAM

Commercial Pool Heaters LADDER DIAGRAM 24 V A C CO NT R O L J 3 54 6 1 2 3 O.C. J1 J2 3 2 1 J4 P GND MV PV PV MV NO C NO NC S2/ FS - + F2 F1 NEU LINE S1 O R PRESSU R E SWITCH RESET PURGE GY GY TE M P ER A TU R E CO NT R O L 24 VAC 120 VAC + - Y W CHASSIS GROUND - Y BK/W G W OPTIONAL ALARM DELAY IGNI...

Page 57 - CONTROL BOX CONNECTIONS

Installation and Ser vice Manual CONTROL BOX CONNECTIONS J3 5 4 6 1 2 3 O. C . J1 J2 3 21 J4 P O 24 VA C XF M R . DI SPL A Y BO A R D AL A R M EN A B LE R E LA Y 24 V SEN SO R C O N N EC TO R 120 V 24 V FLA M E F A IL EN A B LE R E LA Y 24 V BK W BL Y Y Y S2 /F S F2 F1 S1 NEU 4 2 3 11 - + - + IGN IT...

Page 58 - Unit Star t Up Checklist; Measure the supply gas pressure.; Installation and Service Manual

Commercial Pool Heaters Appendix A Unit Star t Up Checklist Ensure that the location and installation of the equipment is in accordance with the installation manual, all local installationrequirements, and with the latest edition of the National Fuel GasCode, ANSI 223.1 and/or CAN/CGA-B149 Installat...

Page 59 - Adjust Menu Settings for Operating Modes

59 Installation and Ser vice Manual Appendix B Adjust Menu Settings for Operating Modes User Advanced Item Description Default Range X X TARGET Pool target temperature 85˚F OFF, 55 to 105˚F X X DIFF Differential setting for return sensor 4˚F 1 to 20˚F X BOIL IN MIN Minimum inlet water temperature 13...