Appendix, Specifications – Steffes 7140 User Manual
Page 28
Appendix
A
SPECIFICATIONS
Appendix
n
A.01
Comfort Plus Commercial Hydronic
Appendix
V o ltag e
C h arg in g I n p u t (k W )
14
19.2
24.8
19.2 20.48 24.8
19.2
26
E le m e n t C u rre n t D raw (A m p s )
59
80
104
24
25
30
19
25
P h as e
N u m b e r o f W ire s - S e e N o te 1
C o n tro l C irc u it V o ltag e (V A C ) - S e e N o te 2
M in im u m C irc u it A m p ac ity (A M P S ) fo r 2 4 0 V
C o n tro l C irc u it
S in g le F e e d M in im u m C irc u it A m p ac ity (A m p s ) -
S e e N o te 2
83
110
140
34
36
43
28
36
P u m p V o ltag e - S e e N o te 2
S to rag e C ap ac ity - S e e N o te 3
k W h
B T U
A p p ro x im ate I n s talle d W e ig h t (lb s )
M ax C o il D im e n s io n s (W x D x H ) - S e e N o te 4
P ip e S ize (I n le t/O u tle t)
P rim ary L o o p R e q u ire m e n ts
O u tp u t W ate r T e m p - S e le c tio n R an g e
M ax im u m W o rk in g P re s s u re
F lo w R ate (P rim ary L o o p )
M inim um of 10’ of 1” pipe
½ H P : 21.2” x 21.2” x 24 ¼ ”
1 H P : 26.4” x 21.2” x 24 ½ ”
1”
240
277
347
2*
4
S ingle
T hre e
T hre e
4
*T he c ontrol c irc uit for 208 a nd 240 volt s ys te m s m us t be 3-w ire .
2,218
120
409,440
M o d e l 7 1 2 0
208/240
10
120V (N e tura l C onduc tor R e quire d)
1 G P M pe r 10,000 B T U of re quire d output a t
20
o
F te m pe ra ture ris e (10 G P M m a xim um )
60 P S I / O ptiona l 20 P S I
50
o
F to 185
o
F
V o lt a g e
C h a rg in g I n p u t ( k W )
2 8 . 8
3 7 . 2
2 8 . 8
3 0 . 7 2
3 7 . 2
2 8 . 8
3 7 . 2
E le m e n t C u rre n t D ra w ( A m p s )
1 2 0
1 5 5
3 5
3 7
4 5
2 8
3 6
P h a s e
N u m b e r o f W ire s - S e e N o t e 1
C o n t ro l C irc u it V o lt a g e ( V A C ) - S e e N o t e 2
M in im u m C irc u it A m p a c it y ( A M P S ) fo r 2 4 0 V
C o n t ro l C irc u it
S in g le F e e d M in im u m C irc u it A m p a c it y ( A m p s ) -
S e e N o t e 2
1 6 0
2 0 4
4 9
5 2
6 1
3 9
4 9
P u m p V o lt a g e - S e e N o t e 2
S t o ra g e C a p a c it y - S e e N o t e 3
k W h
B T U
A p p ro x im a t e I n s t a lle d W e ig h t ( lb s )
M a x C o il D im e n s io n s ( W x D x H ) - S e e N o t e 4
P ip e S ize ( I n le t /O u t le t )
P rim a ry L o o p R e q u ire m e n t s
O u t p u t W a t e r T e m p - S e le c t io n R a n g e
M a x im u m W o rk in g P re s s u re
F lo w R a t e ( P rim a ry L o o p )
* T h e c o n tr o l c ir c u it f o r 2 0 8 a n d 2 4 0 v o lt s y s te m s m u s t b e 3 - w ir e .
M o d e l 7 1 3 0
2 4 0
2 7 7
3 4 7
2 *
4
4
S in g le
T h r e e
T h r e e
M in im u m o f 1 0 ’ o f 1 ” p ip e
2 0 8 /2 4 0
1 0
1 G P M p e r 1 0 ,0 0 0 B T U o f r e q u ir e d o u tp u t a t
2 0
o
F te m p e r a tu r e r is e ( 1 0 G P M m a x im u m )
1 8 0
1 2 0 V ( N e tu r a l C o n d u c to r R e q u ir e d )
6 1 4 ,1 6 0
3 ,0 4 6
½ H P : 2 1 . 2 ” x 2 1 . 2 ” x 2 4 ¼ ”
1 H P : 2 6 . 4 ” x 2 1 . 2 ” x 2 4 ½ ”
1 ”
5 0
o
F to 1 8 5
o
F
6 0 P S I / O p tio n a l 2 0 P S I