/

:

:

:

:

(

450RT

405

/(Primary Only System)

()()()

/ (Primary Only System)

(Constant Water Volume, CWV)(Variable Water Volume, VWV)(60%)

/

/

// /()

/

// /()

/

//

//

-(1)

-(2)

-(1)

-(2)

(1)

(2)

(3)

(4)

(5)100 % (6) (7)

QHL

QSystem curvesystem curvepump curve

:

:

:

IIIQII QII=QI+QI=2QI IaIbIIR1AQII QII=QIa+QIbR2IbIbIa

12H-Q3H-Q

2-WAY11-H1-O-Q1

Q22a2-H2-O-Q2

11-H1-O-Q1Q23b3-H3-O-Q2C3-2-H2- H3

-

-

1170rpmH=490-0.26Q2HR=100+1.5Q2Qk gal/min(a)(b)(a)HHR H= HRQ=14.9 k gal/min(b)QQ/2Q=15.8 k gal/min

-

(b)(a)

** 127541 A535 B435

**

COP

ACOP: BCOP:

13.2%

() 70% 20.6kcal/kg 15.3kcal/kg70%

BEMS (Building Energy Manager System)BEMS (Building Energy Manager System)

BEMS

1. 2. 3.

***