Enertech Global
41
EAV - EME/EMD Rev. A Models
Installation and Operations Manual
WV Installation: Heat & Cool-with Hot Water
OPTIONAL
NON-PRESSURIZED
FLOW CENTER
TO
LOOP
FIELD
FROM
LOOP
FIELD
SOURCE IN
SOURCE OUT
P/T
P/T
P/T
SOURCE IN
SOURCE OUT
TO
LOOP
FIELD
FROM
LOOP
FIELD
FLUSH
VALVE
Typ
e XX
XX X
X-X
X X
XX
XXX
V ~
XX/XX
Hz
GFXX
X
EuP Ready
I1/1
(A)
P1(W)
X.XX
X.XX
XX
XX
Max.
Min
.
P/N:
XXX
XXXX
PC:X
XXX
XX
IP
XX
TF
XX
Max.
X.X
MPa
A
High E
ffici
enc
y
XX
EEI<0.23
NOTE 5
HYDRAULIC
SEPARATOR
RADIANT
FLOOR
HEATING
ZONE 2
RADIANT
FLOOR
HEATING
ZONE 3
HYDRONIC
AIR HANDLER
ZONE 1
DHW OUT
ΔP
LOAD OUT
NOTE 4
NOTE 7
NOTE 6
NOTE 6
NOTE 6
NOTE 6
TURBOMAX
WATER HEATER
DOMESTIC
HOT
WATER
DOMESTIC
COLD
WATER
HOT
HOT
COLD
COLD
LOAD
IN
LOAD
OUT
BACKUP
ELECTRIC OR GAS
WATER HEATER
AUTOMATIC
AIR VENT
3-WAY FLUSH
VALVE
PRESSURE
RELIEF VALVE
PRESSURE
GAUGE
ΔP
LEGEND
WYE STRAINER
ACTUATED
ZONE VALVE
PRESSURE
REDUCING VLV
BACK-FLOW
PREVENTER
AIR ELIMINATOR
DIF. PRESSURE
BYPASS VALVE
ISOLATION BALL
VALVE
BOILER DRAIN
ALWAYS CHECK LOCAL CODE REQUIREMENTS TO ENSURE THAT THE INSTALLATION MEETS CURRENT
CLOSELY SPACED TEES FOR CONNECTION TO BACKUP BOILER. SEE FIGURE 12D FOR DETAILS.
NOTES:
1. INSTALLATION DIAGRAM SHOWN ABOVE IS AN EXAMPLE OF A TYPICAL (RECOMMENDED) INSTALL. ADDITIONAL
ZONES ARE ALLOWED, AS WELL AS ALTERNATE PIPING LAYOUTS.
2. UNIT CONFIGURATION/MODEL INCLUDES INDIRECT DHW TANK.
3.
A HOSE KIT HAS BEEN PROVIDED WITH THE UNIT AND SHOULD BE INSTALLED AT THE OUTDOOR UNIT.
AN AUTOMATIC AIR VENT AND AIR SEPARATOR ARE SUPPLIED AS FIELD INSTALLED COMPONENTS.
4.
5.
6.
9.
BYPASS VALVE (REQUIRED) IS USED TO AVOID DEAD-HEADING PUMP IF ALL ZONE VALVES ARE CLOSED.
FIELD PROVIDED.
REGULATORY STANDARDS.
ALL PIPING MUST BE “HOME RUN” STYLE. ALL RADIANT MANIFOLDS AND AIR HANDLER UNIT ZONE VALVES
SHOULD BE LOCATED IN THE MECHANICAL TO FACILITATE FLUSHING/PURGING OF AIR FROM SYSTEM.
7. AT HIGHEST POINT IN SYSTEM.
8.
See Figure 11.
NOTE 6
NOTE 6
NOTE 6
BUFFER TANK REQUIRED IF ANY
FAN COIL/AIR HANDLER ZONES
ARE SMALLER THAN 2 TONS
(SEE FIGURE 12D).
⚠
CAUTION
⚠
MAKE-UP
WATER
SYSTEM
PUMP
NOTE 8
NOTE 6
ΔP
Expan.
Tank
FACTORY INSTALLED
INTERNAL TO UNIT
INDOOR UNIT
LOAD IN
DHW IN
NOTE 6
NOTICE:
BACKUP WATER
HEATER STRONGLY
RECOMMENDED FOR
RESIDENTIAL
APPLICATIONS
Piping Diagram - Flow Rates and Piping Sizing
To F
an C
oil
To R
adian
t M
anif
old 1
To R
adian
t M
anif
old 2
To R
adian
t M
anif
old 3
From Hydraulic
Separator or
Buffer Tank
Fr
om F
an C
oil
Fr
om R
adian
t M
anif
old 1
Fr
om R
adian
t M
anif
old 2
Fr
om R
adian
t M
anif
old 3
To Hydraulic
Separator or
Buffer Tank
This portion
of the piping/
valves located
in mechanical
room
“HOME RUN” STYLE PIPING
Fan Coil
From Hydraulic
Separator or
Buffer Tank
To Hydraulic
Separator or
Buffer Tank
This portion
of the piping/
valves located
in mechanical
room
“BRANCH” STYLE PIPING
Branch 1
Branch 4
To Radiant
Floor Loops
Branch 2
Branch 3
From Radiant
Floor Loops
Branch 3
Branch 4
Branch 2
Branch 1
Item #3
from example
Item #2
from example
Item #1
from example
Figure 12e: Home Run Piping vs. Branch Piping
Figure 12f: Diagram for Example on Previous Page
Section 6: Unit Piping Installation