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106636-04 - 8/22

X-2

Installation, Operating & Service Manual

1. If boiler is used in connection with refrigeration

systems, boiler must be installed with chilled

medium piped in parallel with the heating boiler

using appropriate valves to prevent chilled

medium from entering boiler. See Figure A-1. Also

consult Residential Hydronic Heating Installation

and Design I=B=R Guide.

Appendix A

Combination Refrigeration/ Heating System

Water

Chiller

Shut-off

valves

Shut-off

valves

Expansion

Tank

Circulator

Supply main to

combined heating

& cooling system

Return main from

combined heating

& cooling system

Heating

Boiler

2. If boiler is connected to heating coils located in

air handling units where they may be exposed to

refrigerated air, boiler piping must be equipped

with flow control valves or other automatic means

to prevent gravity circulation of boiler water during

operation of cooling system.

Figure A-1: Isolated Boiler from Refrigeration System

Содержание X-202

Страница 1: ...er Read Before Proceeding 3 2 User Homeowner Read Before Proceeding 4 3 Specifications 5 4 Locating Boiler 6 5 Preparing Boiler 9 6 Venting 9 7 Water Piping 12 8 Gas Piping 16 9 Electrical 17 10 Syste...

Страница 2: ...rate injury WARNING Indicates a hazardous situation that if not avoided could result in death or serious injury DANGER Explosion Hazard DO NOT store or use gasoline or other flammable vapors or liquid...

Страница 3: ...l and free of pressure and that your clothing will protect you from a release of hot water or steam Do not rely solely on boiler temperature and pressure gauge when making this judgement Install all g...

Страница 4: ...er installing CO alarms near bedrooms in all levels of building to warn you and your family of potential CO exposure Do not block air flow into or around boiler or opening for fresh air into boiler ro...

Страница 5: ...26 47 1 X 203 254 180 39 26 47 2 X 204 304 231 39 26 47 3 X 205 357 284 39 26 47 4 X 206 405 332 39 26 47 5 X 207 462 382 39 35 47 6 X 208 518 438 39 35 47 7 X 209 564 484 39 35 47 8 Table 3 3 Weights...

Страница 6: ...stible materials gasoline or other flammable liquids from area around boiler 8 Check for and remove any potential combustion air contaminants from area around boiler See Table 4 1 Clearances 1 Provide...

Страница 7: ...room exhausts so they will operate at maxi mum speed Do not operate a summer exhaust fan Close fireplace dampers Before Removing Existing Boiler Take pictures and measure and or mark existing steam an...

Страница 8: ...ontal section of vent connector within reach of vent damper harness Area of each opening to be 1 sq inch for each 1 000 BTU hr 1 MBH input with minimum of 100 sq inches Height of opening should be hal...

Страница 9: ...uctions in Section 4 Locating Boiler when removing a boiler from an existing vent system Maintain clearances to vent piping and draft hood per Figures 4 1 and 4 2 Do not use CPVC PVC Polypropylene or...

Страница 10: ...alled 6 Venting continued Figure 6 1 Vent Damper Installation Figure 6 2 Vent Damper Position Indicator A Vent damper must be same size as outlet of vent supplied with boiler see Table 3 2 Unpack damp...

Страница 11: ...terminal not less than 1 4 in per foot F Support horizontal portions of venting system to prevent sagging Use pipe straps brackets or hangers spaced 4 ft or less G Vent pipe must be inserted into but...

Страница 12: ...m leaks repairing fittings and using non permeable materials in distribution system 2 Install circulator with flanges gaskets and bolts provided 3 Install Safety Relief Valve See Figure 7 1 Safety Rel...

Страница 13: ...a boiler bypass if boiler is to be operated in a system which has a large volume or excessive radiation where low boiler water temperatures may be encountered i e converted gravity circulation system...

Страница 14: ...tem Zone Valves Zone Circulators Full Port Isolation Valves Flow Check From System Full Port Isolation Valves Drain Valve Safety Relief Valve Pipe within 6 of floor or drain Drain Valve IWH Return IWH...

Страница 15: ...Drain Valve IWH Return IWH Supply Indirect Water Heater IWH Air Separator Air Vent Expansion Tank Backflow Preventer Fill Valve Cold Water Return Full Port Isolation Valves Unions Flow Check IWH Circu...

Страница 16: ...petroleum gas C Install sediment trap ground joint union and manual shut off valve upstream of boiler gas control valve See Figure 8 2 within 6 ft of boiler D All above ground gas piping upstream fro...

Страница 17: ...ee Figures 9 1 and 9 2 4 For installations using zone valves provide separate transformer for zone valve wiring Consult zone valve manufacturer for assistance See Figure 9 3 9 Electrical WARNING Elect...

Страница 18: ...106636 04 8 22 18 X 2 Installation Operating Service Manual Figure 9 1 Wiring Connection Diagram 9 Electrical continued...

Страница 19: ...106636 04 8 22 19 X 2 Installation Operating Service Manual Figure 9 2 Schematic Ladder Diagram 9 Electrical continued...

Страница 20: ...106636 04 8 22 20 X 2 Installation Operating Service Manual 9 Electrical continued Figure 9 3 Wiring Schematic Zone Valves Figure 9 4 Wiring Schematic Zone Circulators...

Страница 21: ...essure reducing valve system will automatically fill to 12 psi K Remove hose from drain valve DANGER Explosion Hazard Do not use matches candles open flames or other ignition sources to check for leak...

Страница 22: ...106636 04 8 22 22 X 2 Installation Operating Service Manual Figure 10 1 Operating Instructions 10 System Start up and Checkout continued...

Страница 23: ...Figure 10 3 Natural Gas Pilot Flame Figure 10 4 LP Gas Pilot Flame Figure 10 2 Top View of Gas Valve LP Gas Only Pilot burner produces three 3 flames The center flame should be steady medium hard blu...

Страница 24: ...ge that blows out manometer fluid B Adjust regulator on gas valve so manifold pressure matches values listed on rating label C Turning regulator adjustment screw clockwise increases pressure D Turning...

Страница 25: ...er should shut down Set thermostat to call for heat and push TEST button on IDL 1200 to simulate low water condition Amber LOW WATER LED will illuminate and burner will shut down Release TEST button a...

Страница 26: ...o light off again Limit Open 15 There is a call for heat from thermostat but Limit is open Flame Present Out of Sequence 16 Flame signal is still present when expected to be 0 no flame Damper Failed t...

Страница 27: ...F High Limit Differential Setpoint tt Heat Request Status dh DHW Heat Request Status FLA Flame Current run Run Time Hours CYC Boiler Cycles Err Error Press I key on control to change from one paramete...

Страница 28: ...oiler water temperature is less than 140 F This feature helps save energy by satisfying home heating needs with residual boiler heat rather than cycling boiler E Start Temperature Amount of heat avail...

Страница 29: ...ter Demand dh IWH limit is wired to DHW terminal on control DHW circulator is wired to DHW Circulator on control wire harness Table 11 6 shows circulator status with different combinations of TT Input...

Страница 30: ...ressure Checked gas manifold pressure Checked CO level in vent Checked vent damper operation Check ignition system safety shut off device Tested LWCO functionality Tested high limit operation Tested a...

Страница 31: ...ing that is sufficiently tight around potential entry points for RCF dust 3 Gloves 4 Eye protection such as goggles safety glasses with side shields or full facepiece Take steps to assure adequate ven...

Страница 32: ...ns in vent pipe and chimney B If masonry chimney is lined verify lining is in good condition and there are no openings into chimney C Remove soot accumulations with wire brush and vacuum D Repair or r...

Страница 33: ...e and ground wire at Boiler Control F Install Burner Access Panel Connect Flame Rollout Switch wires 5 Inspect Water Piping A Check all system piping for leaks B Repair any leaks before placing back i...

Страница 34: ...Provides adequate dilution air and ensures proper draft for boiler operation Blocked Vent Switch If vent becomes blocked switch will open requiring manual reset and cause burners to shut down 4 Flame...

Страница 35: ...106636 04 8 22 35 X 2 Installation Operating Service Manual 3 5 4 6 7 On rear of boiler 8 2 1 Rear of Boiler 3 A B 14 How It Works continued...

Страница 36: ...rious and potentially dangerous condition In the event the IDL 1200 detects a low water condition the system must be inspected by a qualified service technician before the boiler is returned to servic...

Страница 37: ...If 24 VAC is present unplug vent damper harness from control With wire harness unplugged check for 24 VAC between P6 5 on Control and ground If voltage present replace control If voltage not present...

Страница 38: ...draft Always follow recommended clearances combustion air requirements and venting requirements Check Flame Rollout Switch in event of excessive blockage of boiler section flue passageways is develop...

Страница 39: ...recommended corrective action Flame sensed during pre purge before gas valve signaled open Check gas valve for proper operation Replace gas valve if problem persists Hard Lockout When a hard lockout...

Страница 40: ...upply tubes of air b If no gas flow check following 24 volts across PV and MV PV at gas valve If voltage ok replace defective gas valve Check for break in wiring harness to gas valve 24 volts across c...

Страница 41: ...617 03 1 109617 04 1 109617 05 1 109617 06 1 109617 07 1 109617 08 1 109617 09 1 Not Shown Blocked Vent Switch see Figure 6 1 109742 01 1 All X 2 Series Service Parts may be obtained through your loca...

Страница 42: ...09613 08 1 Nat Gas 109613 09 1 2B Base Tray 2C Burner Tray 2D Base Side Insulation 2E Base Rear Insulation 2F Base Front Insulation 2G Drip Shields 2H Manifold Support Bracket LP Gas 110097 03 1 LP Ga...

Страница 43: ...A in Gas Manifold N A 109731 07 1 109731 08 1 109731 09 1 3C Burner Orifices Natural Gas 46 109732 01 1 47 109733 01 1 16 orifices Burner Orifices LP Gas 1 25 mm 109735 01 1 1 20 mm 109734 01 1 16 ori...

Страница 44: ...y No Description Part Number Quantity X 202 X 203 X 204 X 205 X 206 X 207 X 208 X 209 4A Control 103966 02 1 4B Transformer 106034 01 1 4C Temperature Sensor LWCO 106495 02 1 Not Shown Temperature Sen...

Страница 45: ...cket Wrap around Jacket Panel 106357 03 1 106357 04 1 106357 05 1 106357 06 1 106357 07 1 106357 08 1 106357 09 1 5B Jacket Vestibule Panel 110126 02 1 110126 03 1 110126 04 1 110126 05 1 110126 06 1...

Страница 46: ...9 6A Supply Water Manifold 109614 01 1 6B Temperature Pressure Gauge 105894 01 1 6C 30 PSI Relief Valve 109038 01 1 6D Drain Valve Obtain Locally 3 4 in NPT boiler connection 6E Vent Damper 109634 01...

Страница 47: ...ity X 202 X 203 X 204 X 205 X 206 X 207 X 208 X 209 7A Power Supply Harness 109639 01 1 7B Main Control Harness 109640 01 1 7A 7B Key No Description Part Number Quantity X 202 X 203 X 204 X 205 X 206...

Страница 48: ...e Appendix A Combination Refrigeration Heating System Water Chiller Shut off valves Shut off valves Expansion Tank Circulator Supply main to combined heating cooling system Return main from combined h...

Страница 49: ...valvemayopenfrequently resultinginregular additions of make up water D If an automatic fill valve is installed installation of a water meter in fill line is strongly recommended so routine additions o...

Страница 50: ...condensing during these heating season shoulders is unlikely to cause problems Larger volume systems during the shoulder heating seasons or systems with aggressive set back or low temperature systems...

Страница 51: ...s A strap on temperature sensor measures boiler inlet temperatures This temperature signal is sent to a variable speed pump that will ensure boiler inlet temperatures are always greater than the facto...

Страница 52: ...106636 04 8 22 52 X 2 Installation Operating Service Manual U S Boiler Company LLC P O Box 3020 Lancaster PA 17604 1 888 432 8887 www usboiler net...

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