beautypg.com

3 - component listing – Dunkirk Helix VX Vertical Laser Tube Wall Hung Stainless Steel Modulating Condensing Boiler User Manual

Page 10

background image

10

FIGURE 3-5 Boiler Components 150-200 MBH (View from Front of Boiler)

3 - COMPONENT LISTING

(2) VENT CONNECTOR

(24) GAS (CONTROL)

VALVE

(27) SUPPLY

WATER

TEMPERATURE

SENSOR & HIGH

LIMIT SWITCH

(28) SAFETY RELIEF VALVE

(3) COMBUSTION

AIR INLET

NOTE:

See Section 5

For Piping

Instructions

(21) FLUE

COLLECTOR

(14) RETURN WATER

FROM HEATING

SYSTEM (IN)

(18) SUPPLY WATER TO

HEATING SYSTEM (OUT)

(12) LOW VOLTAGE

TERMINAL STRIP

(1) ) GAS (CONNECTION)

SHUT OFF VALVE

(20) HIGH VOLTAGE

JUNCTION BOX

(10) HEAT

EXCHANGER

(9) BOILER CONTROL

MODULE

Fuse and Holder

(5) FLAME SENSOR

(15) CONDENSATE

DRAIN

(8) USER INTERFACE

(25) COMBUSTION

AIR

BLOWER

(26) HEAT

EXCHANGER SURFACE

TEMPERATURE

SWITCH

(6) SIGHT GLASS

(22) VENT TEMPERATURE

SENSOR

(13) RETURN

TEMPERATURE

SENSOR

(4) IGNITER

(23) COMBUSTION

ANALYSIS TEST

PORT

(17) Jacket

Latch

(11) ASME

PLATE

(16) CONDENSATE

TRAP

(19) TEMPERATURE/

PRESSURE GAUGE

(29) PUMP RELAY