Crown 32-475ECS - Manuals - manualsarea.com

Page 4 - VII Venting; To install the damper:; Do not force closed damper; Forcing vent damper closed may result in damaged gear train.; must be left; screws and support as required.; VIII Steam Boiler Piping and Trim Installation; 2-475 in Figure 27a in the installation manual.; IX Water Boiler Piping; Refer to installation manual; WARNING

VII Venting Refer to installation manual. Vent sizing for the 32-380ECS should always be done in accordance with the National Fuel Gas Code. A vent damper can be installed on any 32-380ECS or 32-475ECS equipped with a 24 volt control system except for those with tankless heaters. If a vent damper is...

Page 5 - XI Control System Wiring; insulated quick connects to the BVS.

WARNING All wiring and grounding must be done in accordance with the authority having jurisdiction or, in the absence of such CAUTION Make sure that damper and BVS harnesses are secured so that they do not come in contact with draft hood or steam piping. XI Control System Wiring Wire the boiler in a...

Page 6 - Figure A: Steam Boiler Wiring

“BURNER” “BURNER” TH TR + ROBERTSHAW7000DERHCGAS VALVE VENT DAMPER (NOTE 2) NOTE 2 LESS VENTDAMPER 2. ON BOILERS LESS VENT DAMPER, DAMPER HARNESS NOT USED. RED AND BLUE LEADS ARE JUMPED TOGETHER USING RED JUMPER WIRE. RD RD RD ALARMALARM 2 (NOTE 2) 2. WHEN DAMPER IS NOT USED, DAMPER HARNESS IS REPLA...

Page 7 - Sequence of Operation - Steam Boiler; minal must be in excess of approximately 1.0 uA.; Safety Control Operation - Steam Boilers

Sequence of Operation - Steam Boiler 1) When the boiler is energized, 24 volts is immediately applied to terminals “1” (blue) and “4” (yellow) on the vent damp- er. Assuming that there is no call for heat, and that the damper switch is in the “automatic” position, the damper will close. On boilers e...

Page 8 - Figure D: Steam Boiler Control Installation

2 HIGH LIMIT LOWLIMIT HONEYWELLL8124E TH TR + ROBERTSHAW7000DERHCGAS VALVE PILOT VALVE MAIN VALVE RD RD RD/YE RD RD/YE ALARMALARM Figure C: Water Boiler Wiring (With Tankless Heater) Figure D: Steam Boiler Control Installation 6

Page 9 - Sequence of Operation - Water Boiler, Less Tankless Heater; 4 volts is present across “B1” and “B2”.

equipped with a reset button which must be pressed to restore normal burner operation. An open blocked vent switch is indicative of a problem with the vent system. If the blocked vent switch opens, the cause of the venting problem must be found and corrected by a qualified gas service technician bef...

Page 10 - Figure E: Blocked Vent Switch Installation

Figure F: Water Boiler Control Installation (Less Tankless Heater Version Shown) Figure E: Blocked Vent Switch Installation 8

Page 11 - Safety Control Operation - Water Boilers; XIII Service in Maintenance

6) Once the ignition module detects the presence of a pilot flame, voltage is applied across the main valve (terminals “MV” and “MV/PV”), opening the valve and establishing main flame. 7) The way in which the ignition module handles failure to establish pilot or the loss of an already established pi...

Page 12 - INTERMEDIATE CARTON - See Installation Manual; ECS BASE CARTON

380 475 380 475 I A PART # (STANDARD) 310000 310001 310002 3110053 3110063 310405 310406 311026 311020 311010 310400 311027 311028 311031 1 EA. 1 EA. BOILER MODEL 32-380ECS 1 1 3 1 1 1 1 1 1 1 1 311035 311037 32-475ECS 1 1 4 1 1 1 1 1 1 1 1 311035 311037 SERIES 32 MASTER PARTS LIST FOR 32-380ECS &am...

Page 13 - ECS WATER TRIM CARTON (LESS TANKLESS HEATER)

BASE SIDE CARTON - See Installation Manual JACKET SIDE PANEL CARTON- See Installation Manual WATER AND STEAM BOILER CARTONS - As shown in Installation Manual except that Rating Plate is factory applied to RH Side Jacket Panel. BASE PARTS - Base parts are identical to those shown in Installation Manu...

Page 14 - ECS STEAM TRIM CARTON

12 STEAM PROBE CONTROL SUB ASSY 3513210 1 LWCO, CG400 WITH "P" PROBE 400824 1 BLOCKED VENT SWITCH ASSY 960128 1 GLASS SET (20-104-10, 8" CTR TO CTR) 950080 1 L404F PRESSURE LIMIT 3503805 1 STRAIGHT BRASS PIGTAIL 95-060 1 1/2 X 4 BRASS NIPPLE 950004 1 1/2 BRASS TEE 951441 1 1/2 BRASS PLUG...

Page 16 - Manufacturer of Hydronic Heating Products

PN 980895 05/10 Tel: (215) 535-8900 • Fax: (215) 535-9736 • www.crownboiler.com Manufacturer of Hydronic Heating Products P.O. Box 14818 3633 I. Street Philadelphia, PA 19134