Weil-McLain WCR manual Gas train components and flame safeguards

Burner Specification & Data sheet — Power Flame Gas/Oil Burners — Model WCR

Burner specifications and settings (continued)

Table 2		Gas train components and flame safeguards
				Gas Pressure			Initial Low Fire																		Fuel Unit Data Burner-
	Pressure		Manifold	Required At Gas		Damper Setting								Oil Nozzle							Oil Pressures					Motor Driven
Boiler	Drop Thru			Control Inlet				Inches					(One Per Unit)									Psig				3450 Rpm
Model	Gas Train		Pressure	Inches W.C.*
Number	Inches		Inches							Gph @			Bypass						Pump	High Fire			Approximate Return
			W.C.*															Spray										Gear
	W.C.
				Min	Max		Top		Bottom	100			Oil		Brand**	Type			Capacity		Pump		Psig			Type
																		Angle										Gph
										Psig			System						Psig	Pressure
																							High Fire	Low Fire
488R	2.20		2.10	4.10	14.00		M\,		M\,	4.50			No		Delavan	Solid		80°	300		295		—	100-150	B2TA-8850-4			37
488	2.20		2.10	4.30	14.00		M\,		M\,	4.50			No		Delavan	Solid		80°	300		300		—	100-150	B2TA-8850-4			37
588	1.80		2.60	4.40	14.00		1		1	5.50			No		Delavan	Solid		80°	300		300		—	100-150	B2TA-8850-4			37
688	2.70		1.70	4.40	14.00		C\,		C\,	7.00			No		Delavan	Solid		80°	300		300		183	100-150	B2TA-8851-4			43
788	2.50		2.30	4.80	14.00		C\,		C\,	8.50			No		Delavan	Solid		70°	300		300		195	100-150	B2TA-8851-4			43
888	3.90		1.20	5.10	14.00		C\,		C\,	9.50			No		Delavan	Solid		70°***	300		300		210	100-150	B2GA-8852			43
988R	4.60		1.60	6.20	14.00		C\,		C\,	10.00			No		Monarch	PLP		60°	300		300		110	80-100	B2GA-8852			47
988	4.50		1.90	6.40	14.00		C\,		C\,	11.00			No		Delavan	Solid		70°***	300		280		135	80-100	B2GA-8852			47
1088R	4.90		2.00	6.90	14.00		C\,		C\,	12.00			No		Monarch	PLP		60°	300		290		140	80-100	B2GA-8852			47
1088	4.00		2.30	6.30	14.00		C\,		C\,	16.00			Yes	Del. Variflo		BPS		80°	300		225		150	100-150	22R322D			105
1188	3.30		2.10	5.40	14.00		C\,		C\, (fixed)	14.00			Yes	Del. Variflo		BPS		80°	300		295		140	50-108	22R322D			105
1288	4.10		2.50	6.50	14.00		C\,		C\, (fixed)	16.00			Yes	Del. Variflo		BPS		80°	300		290		133	50-110	22R322D			105
1388	3.50		2.70	6.20	27.70		C\,		C\,	18.00			Yes	Del. Variflo		BPS		80°	300		244		166	60-108	22R322D			105
1488	4.70		3.60	8.20	27.70		Z\v		Z\v	20.00			Yes	Del. Variflo		BPS		80°	300		280		180	100-150	22R623D			105
1588	5.30		3.90	9.20	27.70		Z\v		Z\v	22.00			Yes	Del. Variflo		BPS		60°	300		290		165	100-150	22R623D			105
1688R	5.80		4.10	10.50	27.70		Z\v		Z\v	22.00			Yes	Del. Variflo		BPS		60°	300		295		175	100-150	22R623D			135
1688	6.20		4.40	10.50	27.70		Z\v		Z\v	22.00			Yes	Del. Variflo		BPS		60°	300		295		155	100-150	22R623D			135
1788	6.50		2.80	9.30	27.70		Z\v		Z\v	24.00			Yes		Hago	BPS		60°	300		300		165	100-150	22R623D			135
1888	7.10		3.20	10.30	27.70		Z\v		Z\v	26.00			Yes		Hago	BPS		60°	300		300		175	100-150	22R623D			135
			* Gas pressure shown are for standard gas train arrangement												** Primary manufacturer. For alternate nozzles, contact Power-Flame
							***		70° spray angle standard, 60° or 80° approved and available upon request
									Standard Gas Control Components And Sizes In Inches
Boiler Model		Manual Hand			Low Gas				Gas		Combination				Motorized		Motorized Operating					Safety		Manual			High
					Pressure			Pressure			Gas Valve And				Operating			Gas Valve						Checking			Gas Pressure
Number			Valve																			Gas Valve
					Switch			Regulator				Regulator			Gas Valve		(With Proof Of Closure)							Gas Valve			Switch
488R-488			1Z\v		Optional				Optional				1Z\v		Optional			Optional					1Z\v	1Z\v			Optional
588			1Z\v		Optional				Optional				1Z\v		Optional			Optional					1Z\v	1Z\v			Optional
688			1Z\v		Optional				Optional				1Z\v		1Z\v			Optional					*	1Z\v			Optional
788			1Z\x		Optional				Optional				1Z\x		1Z\x			Optional					*	1Z\x			Optional
888			2		Optional				Optional				1Z\x		1Z\x			Optional					*	1Z\x			Optional
988R			2		Optional				2				—		1Z\x			Optional					1Z\x	1Z\x			Optional
988-1088R			2		Standard				2				—		2			Optional					1Z\x	1Z\x			Standard
1088			2		Standard				2				—		2			Optional					2	2			Standard
1188-1588			2		Standard				2				—		2			Optional					2	2			Standard
1688R-1888			2		Standard				2				—		—				2				2	2			Standard
							* Combination operating gas valve and regulator also serves as safety gas valve.

17.Light Oil Control Systems:

FALFS On-off operation, fixed air, reduced fuel low fire start, high fire run. Single- position air, two-position oil.

OOOn-off operation, low fire start, high fire run. Single-position air, single-position oil.

LHO	On-off operation, low fire start, high fire run. Two-position air, two-position oil.
	Fixed damper pre-purge on 488-1288, open damper pre-purge on 1388-1888.
LHL	Low-high-low-off firing conditions. Two-position air, two-position oil. Fixed
	damper pre-purge on 488-1288. Open damper pre-purge on 1388-1888.
MOD	On-off operation, with proven low fire start and full modulating firing condi-
	tions. Proportional motor drives fuel metering valve and combustion air damper
	according to the firing conditions. Fixed damper pre-purge on 488-1088R, open
	damper pre-purge on 1088-1888.

18.Gas/Light Oil Control Systems:

OO/FALFS Combines gas and light oil characteristics listed above.

OO/OO Combines gas and light oil characteristics listed above.

LHO/LHO Combines gas and light oil characteristics listed above. Open damper pre-purge on 1388-1888.

LHL/LHL Combines gas and light oil characteristics listed above. Open damper pre-purge on 1388-1888.

MOD/MOD Combines gas and light oil characteristics listed above. Open damper pre-purge on 1388-1888.

Part No. 550-142-029/0508 3