Viessmann VITOCELL-H 300 User manual

Read and save these instructions
for future reference.
IMPORTANT
THE HEAT TRANSFER
MEDIUM MUST BE WATER
OR OTHER NON-TOXIC
FLUID HAVING A TOXICITY
RATING OR CLASS OF 1,
AS LISTED IN CLINICAL
TOXICOLOGY OF
COMMERCIAL PRODUCTS,
5TH EDITION.
THE PRESSURE OF THE
HEAT TRANSFER MEDIUM
MUST BE LIMITED TO A
MAXIMUM OF 30 PSIG
BY AN APPROVED SAFETY
OR RELIEF VALVE (SEE
PAGE 2).
CAUTION
VITOCELL-H 300
Installation Instructions
for use by heating contractor
Vitocell 300
EHA Series
Indirect-fired domestic hot water storage tank
42 to 120 USG / 160 to 450 ltr capacity
Please file in Service Binder
5167 535 v1.2 12/2003

Safety, Installation and Warranty Requirements
2
Safety, Installation and Warranty Requirements
Please ensure that this manual is read and understood before commencing installation. Failure to comply with the issues listed below
and details printed in this manual can cause product/property damage,severe personal injury, and/or loss of life. Ensure all
requirements below are understood and fulfilled (including detailed information found in manual subsections).
HLicensed professional heating
contractor
The installation, adjustment, service,
and maintenance of this equipment
must be performed by a licensed
professional heating contractor.
"Please see section
entitled “Important
Regulatory and
Installation
Requirements”.
HProduct documentation
Read all applicable documentation
before commencing installation. Store
documentation near product in a
readily accessible location for
reference in the future by service
personnel.
"For a listing of
applicable literature,
please see section
entitled “Important
Regulatory and
Installation Requirements”.
HAdvice to owner
Once the installation work is
complete, the heating contractor must
familiarize the system
operator/ultimate owner with all
equipment, as well as safety
precautions/requirements, shut-down
procedure, and the need for
professional service annually before
the heating season begins.
HWarranty
Information contained in
this and related product
documentation must be
read and followed. Failure
to do so renders warranty
null and void.
5167 535 v1.2
THE HEAT TRANSFER
MEDIUM MUST EITHER BE
POTABLE WATER OR
CONTAIN ONLY
SUBSTANCES WHICH ARE
RECOGNIZED AS SAFE BY
THE U.S. FOOD AND DRUG
ADMINISTRATION.
THE PRESSURE OF THE
HEAT TRANSFER MEDIUM
MUST BE MAINTAINED
LESS THAN THE NORMAL
MINIMUM OPERATING
PRESSURE OF THE
POTABLE WATER SYSTEM.
CAUTION

Contents
3
Page
Safety Important Regulatory and Installation Requirements 4....
General Information About these Instructions 5.......................................................
Product Information 5................................................................
Set-up Tank Set-up 6...............................................................................
Transport and Handling
– Removing panels and insulation 7
......................................
– Installing panels and insulation 9........................................
Multiple Tank Set-up 11..............................................................
Connections Orientation and Dimensions 12.................................................
Control Connections
Sensor well and installation of a
DHW tank temperature sensor or aquastat 13
.....................
Boiler Water Connections
(heat exchanger connection)
Individual DHW tank 14
...............................................................
Multiple DHW tanks 15................................................................
Steam Heating Connections
(heat exchanger connection)
Individual DHW tank 16
...............................................................
Multiple DHW tanks 17................................................................
Domestic Water Connections 18..............................................
Recirculation Connections 21.....................................................
Appendix Pressure Drop Information 22....................................................
Post Installation ...
Start-up information 23
................................................................
Service Binder 23...........................................................................
5167 535 v1.2

Safety
4
Important Regulatory and Installation Requirements
Codes
The installation of indirect-fired hot
water storage tanks might be governed
by individual local rules and regulations
for this type of product, which must be
observed. The installation of this unit
shall be in accordance with local codes.
Always use latest editions of codes.
In the Commonwealth of
Massachusetts, all plumbing work must
be done by a licensed plumber or
gas-fitter and for gas installations, all
gas piping must be done by a licensed
gas-fitter.”
Mechanical room
Ensure the mechanical room complies
with the requirements of the system
design guideline and/or technical data
manual.
Thetankmustbeinstalledina
mechanical room which is never subject
to freezing temperatures.
If not in use and danger of freezing
exists in the mechanical room, ensure
water in tank is drained.
Please carefully read this manual prior
to attempting installation. Any
warranty is null and void if these
instructions are not followed.
This product must be installed
observing not only the information
and instructions provided in the
pertinent product literature (see list),
but also all local, provincial/state
plumbing and building codes, as they
apply to this product and all periphery
equipment.
For information regarding other
Viessmann System Technology
componentry, please reference
documentation of the respective
product.
We offer frequent installation and
service seminars to familiarize our
partners with our products. Please
inquire.
Working on the equipment
The installation, adjustment, service,
and maintenance of this equipment
must be done by a licensed professional
heating contractor who is qualified and
experienced in the installation, service,
and maintenance of hot water heating
systems. There are no user serviceable
partsonthisequipment.
Ensure main power supply to
equipment, the heating system, and all
external controls has been deactivated.
Close main oil or gas supply valve. Take
precautions in both instances to avoid
accidental activation of power during
service work.
The completeness and functionality of
field supplied electrical controls and
components must be verified by the
heating contractor. These include
low-water cut-offs, flow switches (if
used), staging controls, pumps,
motorized valves, air vents,
thermostats, temperature controls, etc.
5167 535 v1.2
If the heating system itself is to be
filled with Glycol or any other
antifreeze, the system fill must be of
non-toxic or food grade antifreeze. In
any circumstance, a non-toxic fluid
must be used. Ensure a copy of the
Material Safety Data Sheet (MSDS) is
supplied to the operator/ultimate
owner of the system.
WARNING

Safety/General Information
5
Important Regulatory and Installation Requirements (Continued)
Technical literature
Literature applicable to all aspects of
the Vitocell:
- Technical Data Manual
- Installation Instructions
- Start-up/Service Instructions
- Operating Instructions
and User’s Information Manual
Leave all literature at the installation
site and advise the system
operator/ultimate owner where the
literature can be found. Contact
Viessmann for additional copies.
About These Instructions
Take note of all symbols and notations intended to draw attention to potential hazards or important product information.
These include ”WARNING”, ”CAUTION”, and ”IMPORTANT”. See below.
Warnings draw your attention to the
presence of potential hazards or
important product information.
Cautions draw your attention to the
presence of potential hazards or
important product information.
Helpful hints for installation, operation
or maintenance which pertain to the
product.
This symbol indicates that additional,
pertinent information is to be found in
column three.
This symbol indicates that other
instructions must be referenced.
Product Information
42 and 53 USG / 160 and 200 ltr capacity
Indirect-fired domestic hot water storage tank with one heat exchanger coil for use
with hot water heating boilers.
92 and 120 USG / 350 and 450 ltr capacity
Indirect-fired domestic hot water storage tank with one heat exchanger coil for use
with hot water heating boilers, commercial heating plants, and low-temperature
heating systems (larger heating surface).
5167 535 v1.2
Indicates an imminently hazardous
situation which, if not avoided, could
result in death, serious injury or
substantial product/property damage.
WARNING
Indicates an imminently hazardous
situation which, if not avoided, may
result in minor injury or
product/property damage.
CAUTION
IMPORTANT
5167 535 v1.2

Set-up
6
Tank Set-up
For 92 USG / 350 ltr tank capacity only:
If a boiler is to be installed on top of the tank, arrange boiler to lock into the front
positioning pins of the tank.
HFor narrow passageways, remove
lower portion of crating and carry
DHW tank to its installation location
by means of crating boards mounted
on the tank lengthwise.
See Installation Instructions of
the “Transport Handles”
(accessory) to move the tank
into the mechanical room.
HPackaged M 8 bolts are necessary for
the set-up of a multiple tank
installation.
HLeave adequate clearance to the wall
or other objects enabling easy access
to the aquastat (where applicable).
HLocate tank(s) on flooring or
foundation capable of supporting the
weight of the tank(s) filled with
water.
HThe tank does not require a special
foundation and can be placed directly
on the floor. If, for cleanliness
purposes, the tank is to be kept off
the floor, a foundation can be used for
each tank or tank battery.
HA minimum clearance of 17¾” / 450
mm must be maintained at the back
of the tank for the installation of the
sensor well and DHW tank
temperature sensor.
HLevel tank using leveling bolts on tank
frame.
Recommended installation clearances for service access
Storage capacity USG
Ltr
42
160
53
200
92
350
120
450
Rear inches
mm
18
460
18
460
18
460
18
460
Sides May be reduced if rear pipe
connections can be reached with
less clearance
inches
mm
12
300
12
300
12
300
12
300
Top inches
mm
12
300
12
300
12
300
12
300
Front inches
mm
24
600
24
600
24
600
24
600
Minimum clearances to combustibles
Storage capacity USG
Ltr
42
160
53
200
92
350
120
450
All sides inches
mm
0
0
0
0
0
0
0
0
5167 535 v1.2
min: ¾”
20 mm
max: 1½”
35 mm
Fig 1.
Leveling bolt

Set-up
7
Transport and Handling only for 120 USG / 450 ltr capacity
Removing panels and insulation
The width of 35¾” / 910 mm can be reduced to 32” / 810 mm by removing panels
and insulation.
1. Turn tank 90° to sit across its pallet.
2. Carefully unhook front panel.
3. Remove insulation.
4. Remove spring clip and carefully pull
sensor of the thermometer out of
tank cap.
5. Remove insulation ring.
6. Pull side panels forward to remove.
7. Unscrew top panel.
8. Unscrew support brackets.
9. Mark exact position of inner front
panel on top edge of front panel and
on tank insulation using a pencil.
5167 535 v1.2
1.
2.
4.
3.
5.
7.
6.
6.
8.
8.
9.
8.
8.
Fig 2.
Removing panels and insulation

Set-up
8
Transport and Handling (Continued) only for 120 USG / 450 ltr capacity
10. Using a flat piece of wood and a
rubber mallet, carefully hammer
inner front and rear panels off the
four corners and remove.
11. Move tank into mechanical room.
5167 535 v1.2
11.
10.
10.
10.
Fig 3.
Removing panels and insulation

Set-up
9
Transport and Handling only for 120 USG / 450 ltr capacity
Installing panels and insulation
1. Place tank on top of pallet again and
turn 90° to sit across the pallet.
2. Push inner front panel onto tank
housing.
3. Position front panel according to
pencil marks.
4. Push inner rear panel onto tank
housing.
5. Fasten support brackets.
6. Install top panel.
7. Install side panels.
5167 535 v1.2
8.1.
2. 3.
4.
6.
7.
7.
5.
5.
5.
5.
Fig 4.
Installing panels and insulation

Set-up
10
Transport and Handling (Continued) only for 120 USG / 450 ltr capacity
8. Mount insulation.
9. Fully insert sensor into opening in
tank cap and secure using
spring-clip.
10. Install insulation.
11. Install front panel.
5167 535 v1.2
9.
11.
10.
8.
Fig 5.
Installing panels and insulation