Trane PKGP-PRC001-EN manual Table PD-19- Heating Capacity Correction Factors

Performance

Data(12½ - 20Tons)

Table PD-19— Heating Capacity Correction Factors

% Variation of Nominal CFM	- 20	- 10	0	+ 10	+ 20
Total Gross Capacity Multiplier	.96	.98	1.0	1.01	1.02

Table PD-20 — Auxiliary Electric Heat Capacity

		Total2				Stage 1				Stage 2
	Unit	KW	MBh		No. of	KW	MBh		KW	MBh
Tons	Model No.	Input1	Output1		Stages	Input1	Output1	Input1		Output1
		18.00	61.00	1		18.00	61.00		—	—
12½, 15	WC*150B3, B4, BW	36.00	123.00	2		18.00	61.00	18.00		61.00
	WC*180B3, B4, BW	54.00	184.00	2		36.00	123.00	18.00		61.00
		36.00	123.00	2		18.00	61.00	18.00		61.00
20	WC* 240B3, B4, BW	54.00	184.00	2		36.00	123.00	18.00		61.00
		72.00	246.00	2		36.00	123.00	36.00		123.00
Notes:
1. Does not include indoor fan power or heat.			Voltage
2. Heaters are rated at 240v, 480v. and 600v. For other than rated voltage, CAP =(					)2 x rated cap.

RatedVoltage

Table PD-21 —Electric Heater Voltage

Correction Factors (Applicable to Auxiliary

Heat Capacity)

					Nominal				Distribution			Capacity
					Voltage				Voltage			Multiplier
										208	0.75
				240						230	0.92
										240	1.00
										440	0.84
				480						460	0.94
										480	1.00
										540	0.81
				600						575	0.92
										600	1.00
	Table PD-22— Air Temperature Rise Across Electric Heaters (Degree F)
				12½ Ton					15Ton			20Ton
				5000 CFM					6000 CFM			8000 CFM
				Three Phase				Three Phase				Three Phase
	KW	Stages		WC*150B					WC*180B			WC*240B
9.00		1			—				—				—
17.30		1			—				—				—
18.00		1		11.4					9.5				—
27.00		2			—				—				—
36.00		2		23.0					19.0				14.2
54.00		2		34.1					28.4				21.3
72.00		2			—				—				28.5
Table PD-23 — Electric Heater Temperature Rise Correction Factors
% Variation From Nominal CFM		- 20	- 15	- 10		- 5	0		+5	+10	+15		+20
Temperature Rise Multiplier		1.25	1.17	1.11		1.05	1.00		0.95	0.91	0.87		0.83

*Indicates both downflow and horizontal units.

PKGP-PRC001-EN 25