Bosch Installation Manual

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

Product Description

11

Greenstar – 6721822579 (2021/01)

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] DHW thermostat

[8] Key pad lock

[9] ECO button

[10] Reset button

[11] Display

[12] Condensate trap

[13] Test ports for inlet gas pressure

[14] Adjustment screw, minimum gas volume

[15] Maximum gas adjuster

[16] Flue gas temperature limiter

[17] Safety relief valve discharge hose

[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] Pressure relief valve (heating zone)

[30] Sight glass

[31] Set of electrodes

[32] Supply temperature sensor

[33] Boiler block temperature limiter

[34] Inspection and cleanout cover

[35] Condensate collector

[36] Boiler circulator

[37] Pump speed switch

[38] Condensate drain hose

[39] Drain cock

[40] Boiler water pressure gauge