Thermal Solutions EVS SERIES, Installation, Operating And Service Instructions

Page: 5 / 92

5
28.3
[717.6]
30.3
[768.4]
71
.2
[1
80
8.
2]
16
.0
[4
06.
4] REQUIREMENT
FOR BURNER
REMOVAL
11.3
[285.8]
41
.1
[1
04
4.
6]
17
.1
[4
35.
0]
13.3
[336.6]
6.1
[1
55.
6]
14.1
[358.8]
2.4 [6
1.
9]
BOILER DRAIN
1" NPT PIPE
CONDENSATE
DRAIN 5
8
" TUBE
FLUE OUTLET
4" SAF-T-VENT
23
.6
[6
00.
1]
21
.8
[5
52.
5]
6.3
[158.8]
3.5
[88.9]
WATER RETURN
FROM SYSTEM 2" NPT
8.1
[206.4]
9.3
[235.0]
14
.4
[3
66.
7]
5.5
[139.7]
31.0
[787.4]
P&T GAUGE
WATER FLOW
SWITCH
RELIEF
VALVE
10.8
[274.3]
10.0
[254.0]
WATER SUPPLY
TO SYSTEM
2" NPT
GAS SUPPLY 1" NPT
GAS PILOT
1
4
" TUBE
GAS VENT
3
4
" NPT PIPE
30.
6
[777.
9]
13.9
[352.4]
7.0
[177.
8]
9.6
[242.9]
2.3
[57.
2]
19.0
[482.6]
6.3
[158.8]
3.5
[88.9]
4.4
[111.1]
REQUIREMENT
FOR BURNER
REMOVAL
16.
0
[406.
4]
17.
9
[454.
0]
21.
8
[552.
5]
23.
6
[600.
1]
60.
9
[1547.
8]
28.3
[717.6]
30.3
[768.4]
9.3
[235.0]
15.
4
[392.
1] 6.1
[155.6]
31.0
[787.4]
P&T GAUGE
WATER FLOW
SWITCH
RELIEF
VALVE
11.8
[298.5]
8.8
[222.3]
GAS SUPPLY 1" NPT
BOILER DRAIN
1" NPT PIPE
CONDENSATE
DRAIN 5
8
" TUBE
FLUE OUTLET
4" SAF-T-VENT
WATER RETURN
FROM SYSTEM 3" NPT
WATER SUPPLY
TO SYSTEM
3" NPT
GAS PILOT
1
4
" TUBE
GAS VENT
3
4
" NPT PIPE
Boiler Model
Number
CAPACITIES
INPUT
(MBH)
GROSS
OUTPUT
(MBH)
NET AHRI
RATING
(MBH)
2
WATER
VOLUME
(gallons)
DRY WEIGHT
(lbs.)
WET WEIGHT
(lbs.)
EVS-500 500 431 375 6.1 722 823
EVS-750 750 623 542 15.9 1,097 1,230
BOILER MODEL RANGE
ELECTRICAL
SUPPLY (volts/Hz/phase) Blower Motor (hp)
Nominal power draw
(amps)
EVS-500
120/60/1
1/2
4.5
208/60/1 3.5
230/60/1 3.4
208/60/3 3.0
230/60/3 2.9
460/60/3 1.5
EVS-750
120/60/1
1-1/2
7.5
208/60/1 6.6
230/60/1 6.4
208/60/3 6.0
230/60/3 6.0
460/60/3 3.0
Figure 1a: Dimensions and capacities EVS 500 & 750
EVS-500
EVS-750
Notes:
1. Piping removed
for visual clarity
(rear view).
2. See notes
concerning Net
AHRI Ratings on
page 4.