Weil-McLain CER Series 2 Installation Instructions Manual page 13

CER Series 2 Electric-Hydronic Boilers Installation Instructions
Dimensions
Incoming power
2" conduit
6½"
Conduit
knockouts
19¼"
1 8 /
17 "
40201
Ratings
Boiler DOE Boiler Number
model heating input
number capacity elements
KW
Single phase
CER-24 82,000 24
CER-32 109,000 32
C-ER-40 137,000 40
3-phase
CER-24 82,000 24
CER-32 109,000 32
CER-40 137,000 40
Notes:
1. Single phase wire size uses two copper conductors. 3-phase wire size uses three copper conductors.
2. Wire size based on 1978 National Electrical Code. Consult national or local electrical code manuals for runs in excess of 50 feet. Do not use
aluminum wire.
Part number 550-141-402/0801
19 1 16 /
14¼"
6½"
2¼"
19 " 5 8
1¼" Supply
¾" NPT
¾" Relief
valve
15 16 / 15 16
2 " 14
5"
1¼" Return
Required wire sizes and weights
Element fuse size
of
208V 240V 480V
3 50 50 --
4 50 50 --
5 50 50 --
3 30 30 JKS 15
4 30 30 JKS 15
5 30 30 JKS 15
"
7 16 /
2 "
5 16 /
7
/
3 16
25 / "
Combination pressure-
temperature gauge
½"
18" Minimum
wall clearance
required for
element
removal.
22¼"
/ "
¾" NPT
16"
DOE
Wire size
90˚C field wiring
(Notes 1 and 2)
208V 240V 480V 208V
1 2 -- 116
00 0 -- 154
000 000 -- 192
4 4 8 67
2 3 8 90
1 2 6 112
"
½"
9
Mounting
brackets (2)
2¼"
Total amperes Boiler
water
content
240V 480V Gallons
101 -- 5.2
134 -- 5.2
167 -- 5.2
58 29 5.2
77 39 5.2
97 49 5.2
½"
Approximate
shipping wt.
lbs.
170
170
170
170
170
170
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