VOLTMAX ELECTRIC BOILER Installation and Operation Manual
(
Revised June 2017)
, Page
8.
BOILER DIMENSIONS AND CHARACTERISTIC: MODELS 90KW TO 180KW
* Return sensor available with the "
SCR Series
" configuration.
** Optional disconnect switch available on "
THREE-PHASE
" models.
*** Solid state SCR relay available with the "
SCR Series
" configuration.
**** Low water cut-off is standard for models more than 117kw.
BOILER CONNECTIONS
1
Boiler outlet
1 1/2" NPT M
2
Boiler inlet
1 1/2" NPT M
3
Pressure relief valve
3/4" NPT F
4
Drain valve
3/4" NPT F
5*
Access to the return sensor
1/2" NPT F
MIN. CLEARANCES FOR INSTALLATION &
MAINTENANCE
Left and Right sides
3"/ 76mm
Rear
3"/ 76mm
Front
24" / 610mm
Bottom
0" / 0mm
Top
32" / 813mm
GENERAL INFORMATIONS
Weight
550lbs / 250kg
Water Volume
30 gal. Us/ 113.5 liters
Max. operating
pressure
STANDARD: 60psi
OPTION: 125 PSI
COMPONENTS IDENTIFICATION
A
Electrical main supply
B
Boiler controller
C
"On/Off" switch
D**
Disconnect switch & rotary handle
E
Fuses for controls
F*** Solid state SCR relay
G****
Low water cut-off, test button and indicator
lights
H
Electrical control access door
I
Door handle for electric access with lock
J
Electrical control wires access holes
K
Access door power circuit
L
Access cover to Heating elements
M
Heating elements
