Weil-McLain Aqua Plus Bruksanvisning
Weil-McLain
Vannkoker
Aqua Plus
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Part number GL-E223-ADOC 0614
• Installation
• Startup
• Maintenance
• Parts
Product Manual
Indirect-Fired Water Heaters
This manual must only be used by a qualified heating installer/service technician. BEFORE installing,
read all instructions in this manual and all other information shipped with the water heater. Perform
steps in the order given. Failure to comply could result in severe personal injury, death or substantial
property damage.
User — Read important user safety information found on page 3, page 24 and page 25. Installation and
service should only be performed by a qualified service technician. Retain this manual for future reference.
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AQUA PLUS indirect-fired water heaters — Product Manual
Contents
Please read before proceeding 3
When servicing water heater . . . . . . . . . . . . . . . . . . . . 3
Operating restrictions . . . . . . . . . . . . . . . . . . . . . . . .3
Boiler water restrictions . . . . . . . . . . . . . . . . . . . . . . . 3
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pre-installation 4
Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Code restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Water heater placement . . . . . . . . . . . . . . . . . . . . . . .4
Install levelling legs . . . . . . . . . . . . . . . . . . . . . . . . . 4
Domestic water piping requirements. . . . . . . . . . . . . . . . 5
Water heater operating restrictions. . . . . . . . . . . . . . . . . 5
Boiler water restrictions . . . . . . . . . . . . . . . . . . . . . . . 5
Hot Water Can Scald! . . . . . . . . . . . . . . . . . . . . . . . . 5
Domestic water piping 6
Piping overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Recirculation 8
Maintaining domestic water temperature in the supply piping . 8
Time delay at fixtures . . . . . . . . . . . . . . . . . . . . . . . . 8
Balancing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Components required . . . . . . . . . . . . . . . . . . . . . . . .8
Connecting to the water heater . . . . . . . . . . . . . . . . . . .8
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Potential problems . . . . . . . . . . . . . . . . . . . . . . . . . 10
Boiler-side piping 11
Connecting to a low-pressure steam boiler 18
Filling the piping. . . . . . . . . . . . . . . . . . . . . . . . . . 19
Boiler-side wiring and controls 20
Wiring requirements. . . . . . . . . . . . . . . . . . . . . . . . 20
Circulators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Zone Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Wiring to the water heater. . . . . . . . . . . . . . . . . . . . . 20
Wiring options . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Use domestic priority . . . . . . . . . . . . . . . . . . . . . . . 20
Wiring — zoning with circulators 21
Wiring — zoning with zone valves 22
Water heater lling and start-up 23
Boiler water restrictions . . . . . . . . . . . . . . . . . . . . . . 23
Maximum boiler-side flow rate . . . . . . . . . . . . . . . . . . 23
Filling the domestic water tank . . . . . . . . . . . . . . . . . . 23
Start-up and operation . . . . . . . . . . . . . . . . . . . . . . 23
Start-up checklist . . . . . . . . . . . . . . . . . . . . . . . . . 23
Water heater temperature adjustment 24
Setting the thermostat . . . . . . . . . . . . . . . . . . . . . . . 24
Hot Water Can Scald! . . . . . . . . . . . . . . . . . . . . . . . 24
Water heater maintenance 25
ANNUAL start-up by qualified service technician . . . . . . . 25
Inspect anode and water heater interior . . . . . . . . . . . . . 26
Drain the water heater if necessary during shutdown periods . 26
Troubleshooting 27
Troubleshooting procedures . . . . . . . . . . . . . . . . . . . 27
Preparation for troubleshooting . . . . . . . . . . . . . . . . . 27
Replacement parts 39
AHRI ratings 40
Ratings with 200°F boiler supply water 41
Ratings with 190°F boiler supply water 42
Ratings with 180°F boiler supply water 43
Dimensions 44
Part number GL-E223-ADOC 0614
2
AQUA PLUS indirect-fired water heaters — Product Manual
Please read before proceeding
Failure to adhere to the guidelines on this page can
result in severe personal injury, death or substantial
property damage.
Read all instructions before installing. Failure to follow all instruc-
tions in proper order can cause severe personal injury, death or
substantial property damage.
When servicing water heater
• To avoid electric shock, disconnect electrical supply before
performing maintenance.
• To avoid severe burns, allow water heater to cool before per-
forming maintenance.
Operating restrictions
• Maximum domestic hot water temperature: residential sizes
— 160°F, commercial sizes — 180°F. Pay attention to the
water temperature warnings throughout this manual.
• Maximum boiler water temperature — 200°F.
• Maximum working pressure for tank — 150 PSIG.
• Water chemistry limits:
• hardness — less than 6 grains/gal.
• pH — above 6 and less than 8.
• chlorides — less than 200 ppm.
Boiler water restrictions
• Thoroughly flush the boiler system (without water heater
connected) to remove sediment.
• The water heater heat exchanger can be damaged by build-up
or corrosion due to sediment.
• Boiler water (including additives) must be practically non-
toxic, having toxicity rating or class of 1, as listed in Clinical
Toxicology of Commercial Products.
• If antifreeze is used in boiler system:
• Local codes may require a backflow preventer on cold
water supply line.
• Use antifreeze specifically intended for hydronic heating
systems. Inhibited propylene glycol is recommended.
• Follow boiler manual instructions for antifreeze usage.
• Do not use automotive, ethylene glycol or petroleum-
based antifreeze. Do not use any undiluted antifreeze.
Location
• This water heater is not intended for outdoor installation.
• Install the water heater so if the tank or any connections
should leak, the water flow will not cause damage to area
near water heater, or to lower floors of structure. When such
locations cannot be avoided, install a suitable drain pan under
water heater. Drain pans are available at your local plumbing
supply store.
• This product is designed for vertical installation only.
When calling or writing about the water
heater — Please have the water heater se-
rial number from the serial number label,
located on the back side of the water
heater, adjacent to the rating plate.
Any claims for damage or shortage in
shipment must be filed immediately
against the transportation company by
the consignee.
Hazard denitions
The following defined terms are used throughout this
manual to bring attention to the presence of hazards
of various risk levels or to important information
concerning the life of the product.
Indicates presence of hazards that will
cause severe personal injury, death or
substantial property damage.
Indicates presence of hazards that can
cause severe personal injury, death or
substantial property damage.
Indicates presence of hazards that will
or can cause minor personal injury or
property damage.
Indicates special instructions on installa-
tion, operation or maintenance that are
important but not related to personal
injury or property damage.
This manual provides installation and
operation guidelines for Weil-McLain
AQUA PLUS indirect water heaters.
The installer is responsible for ensuring
that the installation complies with this
manual, the boiler manual and all ap-
plicable codes.
Massachusetts installations — The
water heater must be installed by a li-
censed plumber. The installation must
follow all Massachusetts code require-
ments. The domestic water piping must
comply with the piping shown in this
manual. See “Domestic water piping,”
page 6, for details and code requirements.
Part number GL-E223-ADOC 0614
3
Produkspesifikasjoner
| Merke: | Weil-McLain |
| Kategori: | Vannkoker |
| Modell: | Aqua Plus |
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