installation manual

ManualsBrandsBosch Thermotechnology ManualsBoilersBosch Greenstar 57 - 51K BTU - 95.0% AFUE - Hot Water Gas Boiler - Direct Vent

Table Of Contents

Information about the appliance | 11

6 720 806 992 (2013/07)Greenstar

Key to Fig. 5:

[1] Heatronic boiler control

[2] ON/OFF switch

[3] Burner flame indicator

[4] Service button

[5] Emissions test button

[6] Boiler high limit dial

[7] Mounting socket for outdoor reset controls

[8] DHW thermostat

[9] Key pad lock

[10] ECO button

[11] Reset button

[12] Display

[13] Condensate trap

[14] Test ports for inlet gas pressure

[15] Adjustment screw, minimum gas volume

[16 ] Maximum gas adjuster

[17] Flue gas temperature limiter

[18] Combustion air intake

[19] Exhaust pipe

[20] Boiler supply pipe

[21] Connection for optional low water cut off (LWCO)

[22] Additional supply temperature limiter

[23] Manual air bleeder

[24] Gas/air premix chamber

[25] Fan

[26] Bracket

[27] Wall hanging bracket

[28] Exhaust pipe

[29] Sight glass

[30] Set of electrodes

[31] Supply temperature sensor

[32] Boiler block temperature limiter

[33] Inspection and cleanout cover

[34] Condensate collector

[35] Boiler circulator

[36] Pump speed switch

[37] Condensate drain hose

[38] Drain cock

[39] Pressure relief valve (heating zone)

[40] Safety relief valve discharge hose

[41] Boiler water pressure gauge