Appendix, Specifications – Steffes 9180 User Manual
Page 22
SPecificationS
appendix
a
MOdEL 9150 (53kW Storage Module)
* Supply via stepdown transformer - field installed.
** Add approximately 500 lbs to arrive at shipping weight.
a
ppendix
a
ppendix
T
herm
e
lecT
h
ydronic
a
ppendix
A.02
a
ppendix
A.01
T
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h
ydronic
Input Voltage
240
120/208
120/240
277/480
347/600
Phase
1
3
3
3
3
Number of Wires
2
3
3
4
4
Charging Input
(kW)
53.3
48.0
53.3
50.4
53.3
Elements - Quantity
Elements - Watts Each
12
4,444
12
4,000
12
4,444
12
4,200
12
4,444
Amps – Core Charging
222.20
133.39
128.44
60.65
51.23
Maximum Pump & Blower Load
(AMPS)
4.6
4.6
4.6
2.3
1.9
Minimum Circuit Ampacity
283.50
172.49
166.30
78.69
66.41
Minimum Fuse Size
300
175
175
80
70
Maximum Fuse Size
300
200
200
100
100
Blowers/System Control Voltage*
240V/208V
Storage Capacity – kWh
Storage Capacity - BTU
320
1,091,840
Pipe Size
(Inlet/Outlet)
1 ½”
Required Primary Loop
Minimum of 12’ of 1 ½” pipe required in primary loop plumbing
Output Water Temperature
(selection range)
50
o
F to 185
o
F
Maximum Working Pressure
20 PSIG requires 30 PSI Pressure Relief Valve
60 PSIG requires 75 PSI Pressure Relief Valve (Standard)
125 PSIG requires 150 PSI Pressure Relief Valve
Minimum Flow Rate
(Primary Loop)
1 GPM per 10,000 BTU of required output at 20
o
F Temperature
Rise (30 GPM maximum)
Internal Pressure Drop
(assuming 50% glycol mix)
.7 ft @ 15 GPM
1.8 ft @ 25 GPM
1.2 ft @ 20 GPM
2.5 ft @ 30 GPM
Maximum Static Dissipation (Watts)
3,000
Approximate Heater Module Weight
(lbs)
900
Approximate Insulation Block / Elements /
Other Weight
(lbs)
330
Approximate Brick Weight
(lbs)
3,440
Number of Brick
192
Approximate Installed Weight
(lbs) **
4,670