JBX-PID-WR - Sheet1 - Hubbell Electric Heater Co.

PT
CV
SYMBOL
COLD WATER IN
J62A-JBXP
ET
JBX250
PT
PRV
CV
PT
HOT WATER SUPPLY LINE
¾”
120VAC, 4.2A
GAS TANKLESS
POWER SUPPLY
ET
¾”
120VAC, 1/25 HP
PUMP INSTALLED
ON BOOSTER INLET
CONTROLLED BY
SWITCH INSTALLED
ON BOOSTER
JBX250
185°F
T&P RV
RV
¾”
CONDENSATE
TO DRAIN
PT
RV
T&P RV
J62A-JBXP
185°F
LEGEND
DESCRIPTION
ELECTRIC BOOSTER HEATER,
6 GAL., 2KW @ 120VAC
GAS TANKLESS BOOSTER HEATER,
250,000 BTU/HR
PRESSURE REDUCING VALVE
CHECK VALVE
EXPANSION TANK
COMBINATION PRESSURE AND
TEMPERATURE GAUGE
PRESSURE RELIEF VALVE
T&P RELIEF VALVE
120VAC, 18A
ELECTRIC BOOSTER
AND PUMP
POWER SUPPLY
PT
CV
RECIRCULATION LINE
185°F TO FINAL
RINSE OF DISH
HOT WATER OUT
NOTES:
MACHINE
PRV
1.
JBX250, J62A-JBXP, pump, PRV, (4) pressure and temperature
gauges, T&P relief valve, and pressure only relief valve supplied
by Hubbell. Additional devices and piping supplied by others.
2.
Fresh air intake, exhaust venting, and gas supply not shown.
3.
The maximum length of piping from the J62A-JBXP to the dish
machine is 8 feet and it is recommended that the piping is insulated.
MODIFIED RECIRC LOOP TO BYPASS
A ELECTRIC BOOTER
PRD
9/18/14
4.
To maintain proper recirculation the maximum allowable
APPROVED
DESCRIPTION
DATE
REV.
pressure drop through the piping is 5.2 psi (12 ft H20). The
REVISIONS
recommended maximum combined length of the 3/4" hot water
Stratford, CT 06615
NAME
DATE
supply and recirculation line is 240 feet (insulated) or
(203) 378-2659
DRAWN
PRD
3/24/14
64 feet (uninsulated). 1/2" piping is not recommended.
The
Electric
Heater
Company
CHECKED
3/24/14
WEN III
5.
For maximum efficiency it is recommended
ENG APPR.
PRD
3/24/14 Customer:
that the hot water supply and recirculation
MFG APPR.
WEN III
3/24/14 Description:
PROPRIETARY AND CONFIDENTIAL
lines be insulated.
DIMENSIONS ARE IN INCHES
THE INFORMATION CONTAINED IN THIS
RECOMMENDED JBX
TOLERANCES
6.
Pump is a Taco Model 008-SF6, 120 VAC, 60 Hz.,
DRAWING IS THE SOLE PROPERTY OF
RECIRCULATION P&ID
(UNLESS OTHERWISE SPECIFIED):
THE ELECTRIC HEATER COMPANY. ANY
1/25 HP, stainless steel, flanged with 3/4" NPT
REPRODUCTION IN PART OR AS A WHOLE FRACTIONAL ± ¼
SIZE DWG. NO.
REV.
THE WRITTEN PERMISSION OF
ANGULAR: MACH ±½° BEND ±1°
flange kit and includes tee to be installed bewteen WITHOUT
A
JBX-PID-WR
THE ELECTRIC HEATER COMPANY IS
A
TWO PLACE DECIMAL ±0.01
the pump and the electric booster heater.
PROHIBITED.
THREE PLACE DECIMAL ±0.005
SCALE:1:1
FSCM: 19857
SHEET 1 OF 1

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