Lifebreath 40DHWDF(T), 60DHW(T), 60VENTAC, 60DHWDF(T) Method a domestic hot water usage for C.1

METHOD A - (domestic hot water usage for C.1)

TABLE A 1 (NATURAL GAS AND PROPANE)*

No. of Bathrooms		1 to 1.5			2 to 2.5				3 to 3.5
No. of Bedrooms	1**	2	3	2	3	4	5	3	4	5	6
Nominal Tank Size (USG)	30	40	50	50	50	50	60	50	60	60	75

TABLE A 2 (OIL)*

No. of Bathrooms		1 to 1.5			2 to 2.5				3 to 3.5
No. of Bedrooms	1**	2	3	2	3	4	5	3	4	5	6
Nominal Tank Size (USG)	32	32	32	32	32	50	50	32	50	50	50

*Not suitable for luxury or high volume applications

**If laundry is ensuite for a one bedroom dwelling, increase tank size to 40 USG

METHOD B - (domestic hot water usage for C.2)

Activity	Average Volume per usage - USG			X	Times used in Peak Hour	=	Peak hr Usage - USG
Shower	Hi-Flow (old)		Low-Flow (new)
5 min.	15		4	X		=
10 min.	30		7	X		=
15 min.	43		11	X		=
Bath Tub 1/2 full		21		X		=
Whirl Pool (60% tub cap.)	from manufacturer			X		=
Personal Use		3		X		=
Shampooing Hair		5		X		=
Clothes Washer hot/warm		40		X		=
warm/warm		27		X		=
warm/cold		20		X		=
Hand Dish Washing		4		X		=
Automatic Dish Washer		18		X		=
Food Preparation		6		X		=
Other				X		=
TOTAL (min. first hr. rating)					(transfer to C.2)	=

38