Telford Tornado Stainless, Tempest Stainless Installation Manual

Tel [phone] Fax [phone]

Furrows Business Park, Haybridge Road
Wellington, Telford, Shropshire TF1 2FE

www.telford-group.com

WATERHEATER MANUFACTURERS ASSOCIATION

STAINLESS

Tornado & Tempest Stainless

™

Installation Guide

PRODUCTS

2

MAINS PRESSURE DOMESTIC HOT WATER APPLIANCE

STORAGE

CAPACITY

IN LITRES

90
125
150
170
200
250
300

Tempest & Tornado Stainless

Mains pressure domestic hot water cylinder

WARNING TO USER:



This appliance must be serviced annually by a competent person.



Failure to comply with the above will invalidate the manufacturer’s
warranty.



Do not remove or adjust any component part of this unvented
water heater: Contact the installer.



If this unvented water heater develops a fault, such as a flow of hot
water from the discharge pipe, switch the heater off and contact
the installer.

WARNING TO INSTALLER:



This installation is subject to building regulation approval, notify
Local Authority of intention to install.



Use only manufacturer’s recommended replacement parts.

Installed by:

Name: ..................................................................................

Address: ..............................................................................

.............................................................................................

Tel. No.: ...............................................................................

Completion Date: .................................................................

Water Supply Pressure

Max

12 Bar

Min

1.5Bar

Electric Immersion Heaters

14“/3kW • 230V AC

Operating Pressure

3 BAR

Expansion Vessel charge Pressure

3 BAR

Expansion relief valve setting

5 BAR

Pressure & Temperature relief valve setting

7 BAR • 90ºC

Maximum Primary working Pressure

3 BAR

APPLIANCE SERIAL NO:

Weight and litre capacity

Indirect Direct

Technical help line: 01952 257961

Telford Copper Cylinders Limited Unit 22 Furrows Business Park Telford TF1 2FE

WEIGHT

WHEN FULL

IN KGS

125
165
195
220
250
310
360

Ltrs Kgs

STAINLESS

PRODUCTS

Date Parts Engineer/

Replaced Company

Installed and
Commissioned

First Annual
Service

Third Annual
Service

Fourth Annual
Service

Fifth Annual
Service

Sixth Annual
Service

Seventh Annual
Service

Eighth Annual
Service

Ninth Annual
Service

Tenth Annual
Service

STAINLESS

PRODUCTS

14

SYMPTOM POSSIBLE ACTION

CAUSES

No flow

Low Pressure

Intermittent discharge
from P&T or P valve(s)

Continuous

discharge from

P&T or P valve(s)

Mains service valve not open

Blocked filter.

Service valve not fully open or
partially blocked filter.

Restricted delivery pipework

Low mains pressure.

Expansion vessel pressure below

3.0 bar or faulty.

Wrongly set or faulty Inlet Pressure
Reducing Valve.

Defective expansion relief valve or
debris or scale on seating of valve.

Defective or incorrectly set cylinder
thermostat (ie temperature set too
high) allowing water to overheat.

Crossflow from uncontrolled cold
water mains supply to mixer tap or
shower valves.

Faulty expansion vessel.

Open stop valve or replace.

Clean filter in base of Pressure
Reducing Valve.

Ensure service valve is fully open or
clean filter in PRV.

Replace damaged or
old pipework.

Check incoming mains pressure or
discuss with local water supplier

Replenish or replace in accordance
with instructions in the maintenance
section.

Replace PRV

Operate expansion relief valve
mechanism to clear debris.
If discharge does not stop replace
expansion relief valve.

Check setting and operation of
cylinder thermostat (55-65

o

C).

Replace if necessary.

Check mixer taps and shower valve
and fit check valves or area
pressure controls if required.
Alternatively supply cold water to
mixer tap or shower valves from
balanced supply position on inlet
control set.

Recharge or replace.

Water fails to heat

Not enough

hot water

Water not

hot enough

Water fails to heat

Boiler not working. Pump and/or
control valve not operating.

Cylinder thermostat upper limit stat
has operated.

Cylinder too small.

Boiler not providing enough heat.
Cylinder thermostat settings
incorrect.

Upper limit cut-out switch has
operated in immersion heater.

Check boiler controls.
Check control functions and
replace faulty parts.

Reset the button on the dual
cylinder thermostat after
investigating cause of overheating.

Check storage specification is
adequate. Telford Service
Department can help.

Adjust thermostat to between 55

o

C

and 65

o

C. Ensure boiler

thermostat is set to above 75

o

C.

Turn off electricity supply, open
cap of I/H and reset cut-out
(red button) or press external reset
button if fitted.

PROBLEM Solving:

INDIRECT

DIRECT