Packaged Vetrical MASUPPLY AIRRETURN AIRs
ACCESSPANEL
CONDENSATE TO
APPROVED PUMP OR DRAINPER AHJ (TRAP REQUIRED)
NOTES:
•LEFT SIDE RETURN SHOWN. UNIT CAN BE CONFIGURED FOR EITHER LEFT- OR RIGHT-HAND RETURN. CONNECTIONS
MIRRORED FOR RIGHT HAND CONFIGURATION.
•APPROVED INTERIOR PIPING MATERIALS: HDPE, PEX AND/OR RUBBER HEATER HOSE. REFER TO DANDELION'S DESIGN &INSTALLATION STANDARDS FOR SIZING REQUIREMENTS.
•SUPPLY-RETURN LINE SIZES SELECTED PER DANDELION'S DESIGN AND INSTALLATION STANDARDS.
•ALL INTERIOR PIPING INSULATED WITH CLOSED-CELL INSULATION (12 MIN. THICKNESS).•TARGET DEPTH FOR BUILDING ENTRY POINT IS 4 FT BELOW GRADE. REFER TO DANDELION'S DESIGN AND INSTALLATION
STANDARDS FOR PROVISIONS WHEN EXCEPTIONS OCCUR.
•THE USE OF CHECK VALVES IS REQUIRED WHEN MULTIPLE HEAT PUMPS ARE CONNECTED TO A COMMON (SHARED) GROUND
LOOP.
•SEE SHEETS 2, 3, AND 4 (OF 4) FOR ADDITIONAL DANDELION SYSTEM REQUIREMENTS.
ROUGH GRADE
ACCESSPANEL
PROJECT NAME:
PROJECT ID:
PROJECT ADDRESS:
DATE:
PAGE:
1 OF 4
DESCRIPTION:
SCALE: NTS SIZE: ISO_B_11 X 17VERSION V2021.08
CONTRACTOR NAME:
INTERIOR PIPING (DANDELION YT)
MULTI-POSITION VERTICAL PACKAGED
LEGEND
AIR SEPARATOR
BALL VALVE-MANUAL
DRAIN VALVE-MANUAL
FLEXIBLE PIPINGCONNECTION
90 ELBOW WITH
PT/SENSOR PORT
TEE
CONNECTION-GENERALPIPING
PIPING, TUBING,HOSE-GENERAL
COUPLING-MALE xFEMALE
EXPANSION TANK
s
DANDELION AIR OPERATION LIMITS
PARAMETER COOLING HEATING
MIN EAT 60°F 45°F
MAX EAT 100°F 80°F
MIN EWT 30°F 20°F
MAX EWT 110°F 90°F
MIN WATER FLOW 2.5 GPM/TON
MAX WATER FLOW 3.5 GPM/TON
MIN AIR FLOW 300 CFM/TON
SYSTEM PRESSURIZATION DETAILS
RANGE MIN.MAX.
START-UP PRESSURE 30 PSI 60 PSI
U-BEND QTY AND PIPE SIZEPER DESIGN DOCUMENTSLOOP SUPPLY
(FROM BUILDING)
HEADER PIPE SIZE
PER DESIGN DOCUMENTS
LOOP RETURN
(TO BUILDING)
HEADER PIPE SIZE PERDESIGN DOCUMENTS
STEP-DOWN, STEP-UPREVERSE-RETURN HEADER(PER D&I STANDARDS)VERTICAL BOREHOLE (QTY ANDSPACING PER DESIGN DOCUMENTS)
STEP-DOWN, STEP-UPREVERSE RETURN HEADER
PROJECT NAME:
PROJECT ID:
PROJECT ADDRESS:
DATE:
PAGE:
2 OF 4
DESCRIPTION:
SCALE: NTS SIZE: ISO_B_11 X 17VERSION V2021.08
CONTRACTOR NAME:
GROUND LOOP AND HEADER PIPING
SYSTEM ANTIFREEZE MUST MEET OR EXCEED AHJ BUILDING CODES
CORRESPOND WITH FREEZE POINT 12-13⁰F BELOW MIN EWT
ANTIFREEZE CONCENTRATION % BY VOLUME
ANTIFREEZE TYPE MIN EWT (⁰F)
25⁰F 30⁰F 35⁰F - 45⁰F > 45⁰F
PROPYLENE GLYCOL 28% 22% 20%0%
ETHANOL 25% 20% 15%0%
METHANOL DO NOT USE 15% 10%0%
HEAT TRANSFER FLUID MUST COMPLY WITH ANSI/CSA/IGSHPA C448.0-16,SECTION 5.7
•
•
•
•
•
•
•
•
•
•
PROJECT NAME:
PROJECT ID:
PROJECT ADDRESS:
DATE:
PAGE:
3 OF 4
DESCRIPTION:
SCALE: NTS SIZE: ISO_B_11 X 17
HEAT PUMP WATER HEATER
INSTALLATION DETAILS (ALL MODELS)
VERSION V2021.08
CONTRACTOR NAME:
COLD WATER
SUPPLY
HOT WATERSUPPLY (TO
HOUSE)
DRAIN
NOTES:
•DOMESTIC HOT WATER CONNECTIONS SHALL MEET OR EXCEED ALL APPLICABLE BUILDING CODES.•TEMPERATURE AND PRESSURE RELIEF VALVE (TPV) SHALL BE FACTORY INSTALLED AND
TERMINATED ACCORDING TO APPLICABLE BUILDING CODES
•ALL NEW PLUMBING Ø12 IN. (MIN.), PEX OR COPPER
•THE NEW WATER HEATER SHALL TIE-INTO THE EXISTING DOMESTIC WATER PLUMBING.•SEE SHEETS 1, 2, AND 4 (OF 4) FOR ADDITIONAL DANDELION SYSTEM REQUIREMENTS.
(NEW) HEAT PUMPWATER HEATER
LEGEND
BALL VALVE-MANUAL
DRAIN VALVE-MANUAL
PIPING, TUBING,
HOSE-GENERAL
HOT WATER LINE
COLD WATER LINE
CONDENSATE TOAPPROVED DRAIN PER AHJ
PROJECT NAME:
PROJECT ID:
PROJECT ADDRESS:
DATE:
PAGE:
4 OF 4
DESCRIPTION:
SCALE: NTS SIZE: ISO_B_11 X 17
ELECTRICAL/THERMOSTAT/CONDENSATE
PUMP WIRING (DANDELION YT)
MULTI-POSITION VERTICAL PACKAGED
VERSION V2021.08
CONTRACTOR NAME:
ECOBEE THERMOSTAT (NEW)
NOTES:
•ELECTRICAL WORK MUST MEET OR EXCEED ALL APPLICABLE
BUILDING & ELECTRICAL CODES•WHEN THE DISTANCE FROM THE SERVICE PANEL TO THE HEAT PUMP
IS GREATER THAN 100 FT, CONSULT WITH THE ENGINEERING TEAMFOR FURTHER REVIEW.
•SEE SHEETS 1, 2, AND 3 (OF 4) FOR ADDITIONAL DANDELION SYSTEMREQUIREMENTS.
(NEW) HEAT PUMP ELECTRICAL PANELREFER TO TABLE FOR BREAKER REQUIREMENTS
(EXISTING) MAIN ELECTRICAL PANEL
G
G
L
L
L
L
Rc
R
G
Y 1
Y 2
COM
O
DH
W 1
HEAT PUMP
THERMOSTATTERMINAL BLOCK
CONDENSATE PUMP
BREAK (C) WIRE IF CONDENSATE
BACKS UP OR MALFUNCTIONS
HEAT PUMP
AUX HEATER
G
Y1
Y2
O/B
PEK
Rh
C
W1
W2
ACC-
ACC+