Crown Boiler AWI128 Specifikace

1Manufacturer of Hydronic Heating ProductsP.O. Box 14818 3633 I. StreetPhiladelphia, PA 191347HO)D[ZZZFURZQER

10VI VentingVent installation must be in accordance with local building codes, or the local authority having jurisdiction, or Chapters 7 and10 of the

112) Acceptable Vent Connectors - The following may be used for vent connectors:• Listed type B or L Gas Vent• Single Wall Galvanized Pipe - Use 0.018

128) Prior to boiler installation, inspect chimney for obstructions or other defects and correct as required. Clean chimney asnecessary.9) Vent pipe s

13a) Seal any unused opening in the common venting system.b) Visually inspect the venting system for proper size and horizontal pitch and determine th

14VIII System PipingStandard PipingFigure 11 shows typical boiler system connections on a single zone system. Additional information on hydronic syst

15radiation. In addition, some codes such as ASME CSD-1 require low water cutoffs. Codes may also require that this lowwater cutoff have a manual re

16with return temperatures below 120°F on these systems. A bypass is installed as shown to divert some supply waterdirectly into the return water. T

17 FIGURE 13: BOILER BYPASS PIPING FIGURE 14: ISOLATION OF BOILER FROM SYSTEM WITH A HEAT EXCHANGERFigure 15. Use isolation valves to

18IX WiringSingle Zone Wiring1) 120 Volt Wiring - The boiler should be provided with its own 15A branch circuit with fused disconnect. All 120 vol

19 FIGURE 16: WIRING DIAGRAM, CONTINUOUS IGNITION (STANDING PILOT) SYSTEM17 FIGURE 17: WIRING DIAGRAM, INTERMITTENT IGNITION

2

20Wiring Variations1)Multiple Circulator Zones – Figure 18 shows wiring for two or more circulator zones using Honeywell R845As. One R845Ais required

21AWI/TWI Control System – Sequence of Operation(Refer to Figures 16 or 17 for ladder and connection diagrams)Sequence of Operation, Standing Pilot1)

22Sequence of Operation, Intermittent Ignition1) When the boiler is energized, 24 volts is immediately applied to terminals “1” (blue) and “4” (yell

23X Start-up and CheckoutUse the following procedure for initial start-up of the boiler:1) Make sure that the boiler and system are filled with water

2413) Run gas valve safety shutdown test:• For standing pilot boiler models, disconnect the thermocouple from gas valve. Both pilot burner and main bu

2519) After the boiler has operated for approximately 30 minutes, check the boiler and heating system piping for leaks. Repairany leaks found at once.

26A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly.B. BEFORE LIGHT

27A. This appliance is equipped with an ignition device which automatically lights the pilot. Do try to light the pilot by hand.B. BEFOR

28 FIGURE 24: GAS VALVE DETAIL - STANDING PILOT FIGURE 25: GAS VALVE DETAIL - INTERMITTENT IGNITION26

29XI Service and MaintenanceThe following routine maintenance should be performed on an annual basis:1) Turn off electrical power and gas supply to th

3Table of ContentsI. Product Description ... 1II. Specifications ...

30Heat Exchanger Cleaning Procedure1) Turn off electrical power and gas supply to the boiler2) Disconnect the damper and vent connector from the boile

31 The following four pages contain troubleshooting charts for use in diagnosing control problems. To use these charts, go tothe box marked “Start”

3230AWI/TWI Troubleshooting ChartCaution: Read page 29 before attempting to use this chartThermostat calls for heatCirculator start?120 volts at L1&am

3331Main burners light?24 volts across B1 &B2 ?Refer to standing pilot or intermittent ignition troubleshooting chart (page 32 or 33).*Defective d

3432Standing Pilot Ignition System Troubleshooting ChartPilot lit?Main burners light?YTurn control on gas valve to PILOT. Depress red button and ligh

3533Does spark stop when pilot lights?24 volts across terminals 2&3 at S8600?Spark across ignitor/sensor gap?YCan you hear sparking?*Faulty S8600

36XIII PARTS The following parts may be obtained from any Crown distributor. To find the closest Crown distributor, consult thearea Crown representa

3735Base-Block-Hood

3836CAUTION: MAIN BURNER ORIFICE SIZES SHOWN ARE FOR BOILERS INSTALLED AT ALTITUDES BELOW2000 ft37 61 95 128 162 195 229262 2951" BURNER WITH PIL

393750mm BURNER COMPONENTS1” BURNER COMPONENTS

4 FIGURE 1B: “LEFT PIPED” CONFIGURATION2 FIGURE 1C: “TOP PIPED” (T-AWI OR T-TWI) CONFIGURATION

403837 61 95 128 162 195 229262 29575 LEFT SIDE JACKET PANEL 1 ea. 700301 700301 700301 700301 700301 7003015 7003015 7003015 700301576 RIGHT SIDE JAC

4139Jacket/Components

42Manufacturer of Hydronic Heating ProductsP.O. Box 14818 3633 I. StreetPhiladelphia, PA 191347HO)D[ZZZFURZQE

5TABLE 1: SPECIFICATIONSNotes:Suffix E = Intermittent Ignition, Suffix S = Standing PilotAdd Suffix N for Natural Gas or Suffix L for Propane Gas to b

6III Before Installing1) Safe, reliable operation of this boiler depends upon installation by a professional heating contractor in strict accordance

74) The boiler should be located as close to the chimney as possible.5) Do not install this boiler over carpeting.6) Do not install this boiler direct

8b. Find the volume of the room in cubic feet. The volume of the room in cubic feet is:Length (ft) x width (ft) x ceiling height (ft)In calculating t

9For Buildings of Unusually Tight Construction1) Openings must be installed between the boiler room and the outdoors or a ventilated space, such as an