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TM024 Premier Loline Solar Drain back Service Instructions REV: A

D.O.I: 12/12/2007

This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”

Fault Finding Chart 1.7

1.7

Is the

collector height

between 9 & 18

metres high?

YES

Is an

auxiliary pump

installed?

Install an auxiliary pump.NO

YES

Does

collector(s) & solar

pipe work have

correct fall?

Note: All bends

and fittings must

also be angled

downwards

Remake pipe work and/or

bends/fittings so as correct fall is

provided. Adjust collectors to

provide correct fall.

Does the

solar circuit have

the correct amount

of fluid?

YES

Is the

collector height >

18 metres?

Is solar

pipe length or

number of bends >

allowable?

Max allowable collector

height is 18 metres. System will

not operate correctly at heights

> 18 metres.

YES

Reduce solar pipe work length

and/or number of bends.

YES

Are

there any

leaks around the

collectors or

heater?

YES

Adjust solar circuit fluid level.

Refer to section on

commissioning procedure.

1.8

YES

Refer to section on

commissioning

procedure

Are the

collectors facing

within 45 degrees

of north?

Reposition collectors into a cross

pitch roof stand or relocate to a

northerly aspect.

Are

trees or

buildings shading the

collectors at any

time of the

day?

Advise customer to have trees

pruned if possible or reposition

collectors to shade free location.

YES

The ideal collector inclination is

equal to the local latitude. The

minimum collector inclination

for the system to operate

efficiently is 10 degrees.

YES

Are the

collectors lying

too flat?

Reposition collectors onto

flat roof stand.

YES

Refer to section

on solar closed

circuit

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