Electro Industries HP-BTC Installation & Operating Instructions Manual page 28

Buffer tank controller
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BUFFER TANK SYSTEM
- Add auxiliary boiler option.
- Mode C - Gas boiler or EB-MS-**
- As zero pressure, must have check
valves at pump inlet as shown.
P
8
1
ELECTRO INDUSTRIES, INC.
MONTICELLO, MN 55362
P
P
4
1
1
1
RADIANT FLOOR ZONES
1 PUMP CHECK VALVES REQUIRED, EXAMPLE GRUNDPHOS UPS15-58FC OR TACO 00R-MSF1-1FC.
2 STAND-BY OR BACK-UP AUXILIARY BOILER. BTC MODE C OR D PROVIDES WIRING AND CONTROL.
3 STAINLESS STEEL OR EQUIVILANT VESSEL/PIPING.
2
BUFFER
AUX
TANK
BOILER
3
WATER
COIL
BLOWER
WATER TO WATER HP
P2
COIL
PUMP
P1
GEO UNIT
3
HX101
Rev. 16 10/4/2011
Sheet 6 of 8

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