York Y34, Y33, Y32 manual Modulating Heat, Electric Heating Capacities, Mbh

246653-YTG-E-0108

TABLE 7: MODULATING HEAT

STAGES OF GAS CONTROL (% OF FULL HEAT OUTPUT)

GAS HEAT OPTION	AVAILABLE ON MODELS	STEP	INPUT	OUTPUT	% OF TOTAL OUTPUT
		1	69,333	55,466	26%
D3		2	106,666	85,333	40%
		3	165,332	132,266	62%
(Turn down ration	Y32, Y33, Y34
		4	202,665	162,132	76%
3.8 to 1)
		5	229,332	183,466	86%
		6	266,666	213,333	100%
		1	69,333	55,466	13%
		2	106,666	85,333	20%
		3	165,332	132,266	31%
		4	202,665	162,132	38%
D5		5	229,332	183,466	43%
		6	266,666	213,333	50%
(Turn down ration	Y32, Y33, Y34
		7	325,331	260,265	61%
7.7 to 1)
		8	362,664	290,132	68%
		9	389,331	311,465	73%
		10	426,664	341,331	80%
		11	495,997	396,798	93%
		12	533,330	426,664	100%
		1	69,333	55,466	9%
		2	106,666	85,333	13%
		3	165,332	132,266	21%
		4	202,665	162,132	25%
		5	229,332	183,466	29%
		6	266,666	213,333	33%
		7	325,331	260,265	41%
D8		8	362,664	290,132	45%
(Turn down ration	Y34 Only	9	389,331	311,465	49%
11.5 to 1)
		10	426,664	341,331	53%
		11	495,997	396,798	62%
		12	533,330	426,664	67%
		13	586,663	469,330	73%
		14	655,996	524,797	82%
		15	693,329	554,663	87%
		16	762,662	610,130	95%
		17	799,995	639,996	100%

TABLE 8: ELECTRIC HEATING CAPACITIES

ELECTRIC			NOMINAL	NOMINAL		MBH AND KW PER STAGE2
HEAT OPTION	AVAILABLE ON MODELS	RATED VOLTAGE	KW	MBH1	STAGE 1			STAGE 2
		2403/4804/575			KW		MBH	KW	MBH
E4	Y32, Y33, Y34		40	137	40		137	0	0
E8	Y32, Y33, Y34	2402/4803/575	80	273	40		137	40	136
E1	Y32, Y33, Y34 (460 & 575 volt only)	4803/575	108	369	72		246	36	123

1.Supply air fan motor heat not included.

2.Heating capacity is only staged on CV models. VAV models use only one stage at full capacity.

3.For 208 volts, multiply kW and MBH values by .751. For 230 volts, multiply kW and MBH values by .918

4.For 460 volts, multiply kW and MBH values by .918.

Johnson Controls Unitary Products 13