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INSTALLATION & OPERATING 

INSTRUCTIONS

CATALOG NO. 1000.512B

Effective: 10-15  -18 

Replaces: 06-15  -18

P/N 241664 Rev. 3

WARNING:

If  these  instructions  are  not  followed  exactly,  a  fire  or  explosion  may

result causing property damage, personal injury or death. 

FOR YOUR SAFETY:

Do not store or use gasoline or other flammable vapors and

liquids or other combustible materials in the vicinity of this or any other appliance. To

do so may result in an explosion or fire.

WHAT TO DO IF YOU SMELL GAS:

    

•   Do not try to light any appliance.

    •   Do not touch any electrical switch; do not use any phone in your building.

    •   Immediately call your gas supplier from a neighbor's phone. Follow the gas 

        supplier's instructions.

    •   If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a qualified installer, service agency or

the gas supplier.

This manual should be maintained in legible condition and kept adjacent to the heater or in another safe place for

future reference.

Models 

992C–2342C 

Types H, WH & P

LLC

®

Summary of Contents for Raypak Hi Delta 1262C

Page 1: ...o do so may result in an explosion or fire WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your...

Page 2: ...2 Revision 3 reflects the following changes Updated the Gas Supply Pressure section on page 26 Updated the Main Burner Adjustment section on page 57...

Page 3: ...ing 22 Gas Supply 25 Electrical Power Connections 26 Field Wiring Connection 28 Venting 32 Changing the Flue Outlet 34 Venting Installation Tips 34 Venting Configurations 35 Sequence of Operation 40 C...

Page 4: ...ater WARNING Risk of electrical shock More than one disconnect switch may be required to deenergize the equipment before servicing CAUTION Operation of this heater in low temperature systems requires...

Page 5: ...aypak s standard war ranties Model Identification The model identification number and heater serial number are found on the heater rating plate located on the lower right outside jacket of the heater...

Page 6: ...Component Locations Fig 1 Component Locations Back Fig 2 Component Locations Left Side Panels removed for clarity Fig 3 Component Locations Front 6...

Page 7: ...14 10 2072C 23 5 3 14 10 2342C 26 5 3 16 10 Model No Burners per Valve Stages Fire at Stages 1 1A 2 3 4 1 2 3 4 1 2 3 4 992C 6 3 2 1 1 2 1 2 3 54 82 100 1262C 5 3 3 3 1 1 2 1 2 3 1 2 3 4 36 57 79 100...

Page 8: ...tream and read the thermometer NOTE When this water heater is supplying general purpose hot water for use by individuals a thermostatically controlled mixing valve for reducing point of use water temp...

Page 9: ...l in the Controls section see page 47 For accurate control of water temperature the sensors must be properly installed according with the piping configuration see Applications Modes section for detail...

Page 10: ...ft 1 2m below or to side of opening 1 ft 30 cm above opening 3 ft 91 cm K Clearance to mechanical air supply inlet 3 ft 91 cm above if within 10 ft 3m horizontally 6 ft 1 83m L Clearance above paved...

Page 11: ...nt or removal of the heater Service clearances less than the minimums may require removal of the heater to service either the heat exchanger or the burner tray In either case the heater must be instal...

Page 12: ...otal cross sectional area should be at least 1 in 2 of free area per 20 000 BTUH 111 mm2 per kW of total input rating of all equipment in the room when the opening is com municating directly with the...

Page 13: ...100 in 2 645 cm2 One opening shall commence within 12 in 305 mm of the top and one opening shall commence within 12 in 305 mm of the bottom of the enclosure The mini mum dimension of air openings sha...

Page 14: ...ea CAUTION All combustion air must be drawn from the air outside of the building the mechanical equip ment room must communicate directly with the outdoors of not less than 1 in 2 for each 30 000 BTUH...

Page 15: ...tic test ing of the piping connections to the heater and the rest of the system prior to operation This is particularly true for hydronic systems using expensive glycol based anti freeze Raypak recomm...

Page 16: ...ide Cold Water Protection for Single or Cascade configurations See Fig 9 H models MIX TYPE PUMP H models include a second option for individual Cold Water Protection method PUMP MIX TYPE PUMP uses a V...

Page 17: ...little water mass as possible to ensure maximum operating efficiency Primary Secondary piping arrangement is the method recommended and the only method supported by Raypak for installation of Hi Delt...

Page 18: ...y sized expansion tank and air separator fitting as shown in Fig 14 System Sensor Installation The System Sensor S3 is required for all selectable mode unless the unit s firing rate will be controlled...

Page 19: ...e range of applications The installer design engineer should refer to the following Modes to determine which best fits the intended application and functionality for the unit being installed Type H mo...

Page 20: ...and hard water Water hardness is ex pressed in grains per gallon NOTE A Tank Aquastat can be used in lieu of the Indirect DHW Sensor S5 See the Versa IC manual for additional details Fig 21 Dual Heat...

Page 21: ...rder to reduce scald hazard potential Automatic Chemical Feeders All chemicals must be introduced and completely dilut ed into the water before being circulated through the heater High chemical concen...

Page 22: ...GPM P MTS SHL T GPM P MTS SHL T GPM P MTS SHL 992C 29 60 2 7 2 5 2 17 98 7 3 2 13 3 13 132 13 1 2 23 6 1262C 29 72 4 4 2 7 9 19 115 11 3 2 19 4 16 132 14 8 2 25 3 1532C 29 86 7 1 2 11 9 22 120 13 7 2...

Page 23: ...to full fire 4 Adjust Valve A until the inlet water temperature is 105 F NOTE Opening the valve will increase the temperature and closing the valve will decrease the temperature 5 If this process doe...

Page 24: ...4 7 3 7 4 7 6 7 8 Total Alkalinity ppm 120 150 120 150 80 120 Calcium Hardness ppm 200 300 150 200 200 400 Salt ppm 3000 Maximum 3000 Maximum 3000 Maximum Free Chlorine ppm 2 3 2 3 2 3 Total Dissolved...

Page 25: ...he gas supply during any pressure testing of the gas supply system at test pressures in excess of 1 2 psi 3 45 kPa CAUTION Do not use Teflon tape on gas line pipe thread A pipe compound rated for use...

Page 26: ...re regu lator s supplied on the heater is for low pressure service If upstream pressure exceeds 14 0 in WC 1 2 psi at any time an intermediate gas pressure regulator of the lockup type must be install...

Page 27: ...meter prior to working with any electrical connections or components 3 Observe proper wire colors while making electri cal connections Many electronic controls are polarity sensitive Components damag...

Page 28: ...imum 18 AWG wire for runs of up to 150 feet 4 Mount the outdoor sensor on an exterior surface of the building preferably on the north side in an area that will not be affected by direct sunlight and t...

Page 29: ...lta boiler NOTE Alternately a thermostat contact closure can be used in lieu of the sensor for indirect operation Connect the thermostat to the terminals marked INDIRECT DHW OVERIDE CAUTION Sensor and...

Page 30: ...ly 5A maxi mum 2 Connect the boiler pump enable wires to the termi nal block at the rear of their unit The connections are dry contacts rated for pilot duty only 5A maxi mum 3 Connect the system suppl...

Page 31: ...ade configurations System pump all models and DHW pump H models Follower out puts must be connected in parallel order to support operation durning Limp Along mode For detailed wiring instructions see...

Page 32: ...nce to horizontal venting that exits the back of the heater requires this tee Refer to Table K for the appropriate kit for your model Appliance Categories Heaters are divided into four categories base...

Page 33: ...DO NOT terminate vent in window well stairwell alcove courtyard or other recessed area 10 DO NOT terminate above any door window or gravity air intake Condensate can freeze causing ice formations 11...

Page 34: ...izontal plane Canadian Installations Refer to latest edition of B149 Installation code A vent shall not terminate 1 Directly above a paved sidewalk or driveway which is located between two single fami...

Page 35: ...e vent shall also be supported for the design and weight of the material employed to maintain clear ances and to prevent physical damage or separation of joints See table M for Category I venting guid...

Page 36: ...10 ft per elbow Max 3 elbows Vertical direct vent applications require the use of positive pressure vent systems Maximum combustion air duct length terminated at 100 equivalent ft hoods and bathroom e...

Page 37: ...lled to prevent the potential accumulation of condensate in the vent pipes It is required that CAT III CERTIFIED INSULATED EXHAUST VENTING Fig 40 Horizontal Through the Wall Venting Category III 1 The...

Page 38: ...le N Each elbow used is equal to 10 ft of straight pipe This will allow installation in any arrangement that does not exceed the lengths shown in Table N The flue direct vent cap is not considered in...

Page 39: ...ustion air from outdoors and force the heated flue products through the vent pipe under posi tive pressure The vent material must be in accordance with the above instructions for vent mate rials Vent...

Page 40: ...leave the cap Improper location can result in damage to adjacent structures or building finish For maximum efficiency and safety the following precautions must be observed 1 Outdoor models must be in...

Page 41: ...ent to the MIX MIN value 11 The VERSA Control Board and PIM check the safety circuit and will stop from going into a trial for ignition if any of the safety devices is in an error fault condition 12 I...

Page 42: ...cted after the final trial for ignition the PIM enters ignition lockout and the LED on the PIM indicates the fault code for ignition lockout The VERSA IC Display should also state Ignition Lockout Mod...

Page 43: ...ed that the Primary PIM is leading the rotation sequence 20 The Hi Limit sensor is confirmed to read below the Hi Limit setpoint 21 The gas valve relay contacts are verified open if closed a fault cod...

Page 44: ...rge delay before additional ignition attempts are started If no flame is detected after the final trial for ignition the PIM enters ignition lockout and the LED on the PIM indicates the fault code for...

Page 45: ...have an additional optional adjustable manual reset high temperature device Standard The fixed setting manual reset high limit is built into the PIM it utilizes a dual element sensor located on the ou...

Page 46: ...as valve If the gas pressure regulator fails the high gas pres sure switch automatically shuts down the burner The high gas pressure switch automatically shuts down the heater if gas manifold pressure...

Page 47: ...le when its corresponding mode is active User Interface The user interface consists of several Menu options Press the MENU button to scroll through the different menus in the interface Press the ITEM...

Page 48: ...the number field displays if the indirect DHW sensor fails Boil OUTLET 22 to 266 F Always Current boiler outlet temperature as communicated from the PIM the number field displays Boil INLET 22 to 266...

Page 49: ...10 F Differential for the target indirect DHW tank temperature requires IND Sensor ON 6 F IND SUPPLY H MODE 2 3 OFF 50 F to PIM value Target boiler temperature for the DHW heat exchanger during indir...

Page 50: ...Limit temperature EMS VDC ALL Current EMS signal in Volts DC FIRE RATE ALL PIM firing rate OUTLET MAX H Mode 1 2 3 Defines Max Outlet temperature offset above Target Setpoint Press and hold up and dow...

Page 51: ...to clear INLET LO All Records the lowest boiler outlet temperature Press UP DOWN for 1 sec to clear DELTA T All Captures the highest Delta T temperature recorded Press UP DOWN buttons for 3 sec to cl...

Page 52: ...ry degree the outdoor temperature drops the tempera ture of the heating water will increase one degree With the VERSA both ends of the slope are adjustable It is factory set at 70 F water temperature...

Page 53: ...or air is as cold as the OUT DESIGN temperature Warm Weather Shut Down WWSD When the outdoor air temperature rises above the WWSD setting the control turns on the WWSD segment in the display When the...

Page 54: ...54 Wiring Diagram Models 992C 1262C...

Page 55: ...55 Wiring Diagram Models 1532C 2342C...

Page 56: ...telephone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department WARNING If you do not follow these instructions exactly a fire or explosion may result...

Page 57: ...or may cause other safety control damage or failure Start Up Blower Adjustment 1 Turn off power 2 Unplug cap at pressure switches and connect ma nometer s to the tee 3 Close all manual firing valves...

Page 58: ...s Local Heat DHW EMS demands must be present for burner operation On the first press of the Up button the test step is held and HOLD is flashed at 1Hz On the second press of the Up button the test ste...

Page 59: ...1 8 for each riser Post Start Up Check Check off steps as completed 1 Verify that the heater and heat distribution units or storage tank are filled with water 2 Confirm that the automatic air vent if...

Page 60: ...ual gas valve 7 Wait 5 minutes to clear out any gas Then smell for gas especially near the floor If you then smell gas STOP Follow the steps in the safety informa tion on the front cover of this manua...

Page 61: ...tem for proper func tion deterioration or leakage 3 Check that area is free from combustible materi als gasoline and other flammable vapors and liquids 4 Check for and remove any obstruction to the fl...

Page 62: ...rs 4 Conduct a combustion test at full fire Carbon di oxide should be 8 2 0 5 at full fire for natural gas and 9 4 0 5 for propane gas Carbon monoxide should be 150 ppm 5 Check coils for 60 cycle hum...

Page 63: ...aminated areas this may also experience deterioration Products causing contaminated combustion air spray cans containing chloro fluorocarbons permanent wave solutions chlorinated waxes cleaners chlori...

Page 64: ...o water PARTS REPLACEMENT Under this Warranty Raypak will furnish a replacement for any failed part The failed part must first be returned to Raypak if requested with transportation charges prepaid an...

Page 65: ...ver any shipping costs to and from the service provider or to or from the installation site All of the foregoing costs and expenses are your responsibility WARRANTY EXCLUSIONS This Limited Warranty do...

Page 66: ...LIED WARRANTIES INCLUDING MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE SHALL NOT EXTEND BEYOND THE APPLICABLE WARRANTY PERIOD SPECIFIED ABOVE RAYPAK S SOLE LIABILITY WITH RESPECT TO ANY DEFECT...

Page 67: ...ght _______ Low Water Cutoff _______________Test Category _________ sketch vent on reverse side Number of Tanks and Size Qty____ _______Gallons Vent Material __________________ Plumbing Size _________...

Page 68: ...wall horizontally vented gas fueled equipment installed in every dwelling building or structure used in whole or in part for residential purposes including those owned or operated by the Commonwealth...

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Page 72: ...72 www raypak com Raypak Inc 2151 Eastman Avenue Oxnard CA 93030 805 278 5300 Fax 805 278 5468 Litho in U S A...

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